Partial implementation of VarDecFromStr.
[wine/testsucceed.git] / dlls / oleaut32 / variant.c
blobd99fde488d12eb814e07bebc53a8240f01a15e7e
1 /*
2 * VARIANT
4 * Copyright 1998 Jean-Claude Cote
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * NOTES
21 * This implements the low-level and hi-level APIs for manipulating VARIANTs.
22 * The low-level APIs are used to do data coercion between different data types.
23 * The hi-level APIs are built on top of these low-level APIs and handle
24 * initialization, copying, destroying and changing the type of VARIANTs.
26 * TODO:
27 * - The Variant APIs do not support international languages, currency
28 * types, number formating and calendar. They only support U.S. English format.
29 * - The Variant APIs do not the following types: IUknown, IDispatch, DECIMAL and SafeArray.
30 * The prototypes for these are commented out in the oleauto.h file. They need
31 * to be implemented and cases need to be added to the switches of the existing APIs.
32 * - The parsing of date for the VarDateFromStr is not complete.
33 * - The date manipulations do not support dates prior to 1900.
34 * - The parsing does not accept as many formats as the Windows implementation.
37 #include "config.h"
39 #include <string.h>
40 #include <stdlib.h>
41 #include <stdio.h>
42 #include <math.h>
43 #include <time.h>
45 #ifdef HAVE_FLOAT_H
46 # include <float.h>
47 #endif
49 #define NONAMELESSUNION
50 #define NONAMELESSSTRUCT
51 #include "windef.h"
52 #include "oleauto.h"
53 #include "heap.h"
54 #include "wine/debug.h"
55 #include "winerror.h"
56 #include "parsedt.h"
57 #include "typelib.h"
58 #include "winternl.h"
60 WINE_DEFAULT_DEBUG_CHANNEL(ole);
62 #define SYSDUPSTRING(str) SysAllocStringLen((str), SysStringLen(str))
64 #ifndef FLT_MAX
65 # ifdef MAXFLOAT
66 # define FLT_MAX MAXFLOAT
67 # else
68 # error "Can't find #define for MAXFLOAT/FLT_MAX"
69 # endif
70 #endif
72 #undef CHAR_MAX
73 #undef CHAR_MIN
74 static const char CHAR_MAX = 127;
75 static const char CHAR_MIN = -128;
76 static const BYTE UI1_MAX = 255;
77 static const BYTE UI1_MIN = 0;
78 static const unsigned short UI2_MAX = 65535;
79 static const unsigned short UI2_MIN = 0;
80 static const short I2_MAX = 32767;
81 static const short I2_MIN = -32768;
82 static const unsigned long UI4_MAX = 4294967295U;
83 static const unsigned long UI4_MIN = 0;
84 static const long I4_MAX = 2147483647;
85 static const long I4_MIN = -(2147483648U);
86 static const DATE DATE_MIN = -657434;
87 static const DATE DATE_MAX = 2958465;
89 /* the largest valid type
91 #define VT_MAXVALIDTYPE VT_CLSID
93 /* This mask is used to set a flag in wReserved1 of
94 * the VARIANTARG structure. The flag indicates if
95 * the API function is using an inner variant or not.
97 #define PROCESSING_INNER_VARIANT 0x0001
99 /* General use buffer.
101 #define BUFFER_MAX 1024
102 static char pBuffer[BUFFER_MAX];
105 * Note a leap year is one that is a multiple of 4
106 * but not of a 100. Except if it is a multiple of
107 * 400 then it is a leap year.
111 * Use 365 days/year and a manual calculation for leap year days
112 * to keep arithmetic simple
114 static const double DAYS_IN_ONE_YEAR = 365.0;
117 * Token definitions for Varient Formatting
118 * Worked out by experimentation on a w2k machine. Doesnt appear to be
119 * documented anywhere obviously so keeping definitions internally
122 /* Pre defined tokens */
123 #define TOK_COPY 0x00
124 #define TOK_END 0x02
125 #define LARGEST_TOKENID 6
127 /* Mapping of token name to id put into the tokenized form
128 Note testing on W2K shows aaaa and oooo are not parsed??!! */
129 #define TOK_COLON 0x03
130 #define TOK_SLASH 0x04
131 #define TOK_c 0x05
132 #define TOK_d 0x08
133 #define TOK_dd 0x09
134 #define TOK_ddd 0x0a
135 #define TOK_dddd 0x0b
136 #define TOK_ddddd 0x0c
137 #define TOK_dddddd 0x0d
138 #define TOK_w 0x0f
139 #define TOK_ww 0x10
140 #define TOK_m 0x11
141 #define TOK_mm 0x12
142 #define TOK_mmm 0x13
143 #define TOK_mmmm 0x14
144 #define TOK_q 0x06
145 #define TOK_y 0x15
146 #define TOK_yy 0x16
147 #define TOK_yyyy 0x18
148 #define TOK_h 0x1e
149 #define TOK_Hh 0x1f
150 #define TOK_N 0x1a
151 #define TOK_Nn 0x1b
152 #define TOK_S 0x1c
153 #define TOK_Ss 0x1d
154 #define TOK_ttttt 0x07
155 #define TOK_AMsPM 0x2f
156 #define TOK_amspm 0x32
157 #define TOK_AsP 0x30
158 #define TOK_asp 0x33
159 #define TOK_AMPM 0x2e
161 typedef struct tagFORMATTOKEN {
162 char *str;
163 BYTE tokenSize;
164 BYTE tokenId;
165 int varTypeRequired;
166 } FORMATTOKEN;
168 typedef struct tagFORMATHDR {
169 BYTE len;
170 BYTE hex3;
171 BYTE hex6;
172 BYTE reserved[8];
173 } FORMATHDR;
175 FORMATTOKEN formatTokens[] = { /* FIXME: Only date formats so far */
176 {":" , 1, TOK_COLON , 0},
177 {"/" , 1, TOK_SLASH , 0},
178 {"c" , 1, TOK_c , VT_DATE},
179 {"dddddd", 6, TOK_dddddd , VT_DATE},
180 {"ddddd" , 5, TOK_ddddd , VT_DATE},
181 {"dddd" , 4, TOK_dddd , VT_DATE},
182 {"ddd" , 3, TOK_ddd , VT_DATE},
183 {"dd" , 2, TOK_dd , VT_DATE},
184 {"d" , 1, TOK_d , VT_DATE},
185 {"ww" , 2, TOK_ww , VT_DATE},
186 {"w" , 1, TOK_w , VT_DATE},
187 {"mmmm" , 4, TOK_mmmm , VT_DATE},
188 {"mmm" , 3, TOK_mmm , VT_DATE},
189 {"mm" , 2, TOK_mm , VT_DATE},
190 {"m" , 1, TOK_m , VT_DATE},
191 {"q" , 1, TOK_q , VT_DATE},
192 {"yyyy" , 4, TOK_yyyy , VT_DATE},
193 {"yy" , 2, TOK_yy , VT_DATE},
194 {"y" , 1, TOK_y , VT_DATE},
195 {"h" , 1, TOK_h , VT_DATE},
196 {"Hh" , 2, TOK_Hh , VT_DATE},
197 {"Nn" , 2, TOK_Nn , VT_DATE},
198 {"N" , 1, TOK_N , VT_DATE},
199 {"S" , 1, TOK_S , VT_DATE},
200 {"Ss" , 2, TOK_Ss , VT_DATE},
201 {"ttttt" , 5, TOK_ttttt , VT_DATE},
202 {"AM/PM" , 5, TOK_AMsPM , VT_DATE},
203 {"am/pm" , 5, TOK_amspm , VT_DATE},
204 {"A/P" , 3, TOK_AsP , VT_DATE},
205 {"a/p" , 3, TOK_asp , VT_DATE},
206 {"AMPM" , 4, TOK_AMPM , VT_DATE},
207 {0x00 , 0, 0 , VT_NULL}
210 /******************************************************************************
211 * DateTimeStringToTm [INTERNAL]
213 * Converts a string representation of a date and/or time to a tm structure.
215 * Note this function uses the postgresql date parsing functions found
216 * in the parsedt.c file.
218 * Returns TRUE if successful.
220 * Note: This function does not parse the day of the week,
221 * daylight savings time. It will only fill the followin fields in
222 * the tm struct, tm_sec, tm_min, tm_hour, tm_year, tm_day, tm_mon.
224 ******************************************************************************/
225 static BOOL DateTimeStringToTm( OLECHAR* strIn, DWORD dwFlags, struct tm* pTm )
227 BOOL res = FALSE;
228 double fsec;
229 int tzp;
230 int dtype;
231 int nf;
232 char *field[MAXDATEFIELDS];
233 int ftype[MAXDATEFIELDS];
234 char lowstr[MAXDATELEN + 1];
235 char* strDateTime = NULL;
237 /* Convert the string to ASCII since this is the only format
238 * postgesql can handle.
240 strDateTime = HEAP_strdupWtoA( GetProcessHeap(), 0, strIn );
242 if( strDateTime != NULL )
244 /* Make sure we don't go over the maximum length
245 * accepted by postgesql.
247 if( strlen( strDateTime ) <= MAXDATELEN )
249 if( ParseDateTime( strDateTime, lowstr, field, ftype, MAXDATEFIELDS, &nf) == 0 )
251 if( dwFlags & VAR_DATEVALUEONLY )
253 /* Get the date information.
254 * It returns 0 if date information was
255 * present and 1 if only time information was present.
256 * -1 if an error occures.
258 if( DecodeDateTime(field, ftype, nf, &dtype, pTm, &fsec, &tzp) == 0 )
260 /* Eliminate the time information since we
261 * were asked to get date information only.
263 pTm->tm_sec = 0;
264 pTm->tm_min = 0;
265 pTm->tm_hour = 0;
266 res = TRUE;
269 if( dwFlags & VAR_TIMEVALUEONLY )
271 /* Get time information only.
273 if( DecodeTimeOnly(field, ftype, nf, &dtype, pTm, &fsec) == 0 )
275 res = TRUE;
278 else
280 /* Get both date and time information.
281 * It returns 0 if date information was
282 * present and 1 if only time information was present.
283 * -1 if an error occures.
285 if( DecodeDateTime(field, ftype, nf, &dtype, pTm, &fsec, &tzp) != -1 )
287 res = TRUE;
292 HeapFree( GetProcessHeap(), 0, strDateTime );
295 return res;
303 /******************************************************************************
304 * TmToDATE [INTERNAL]
306 * The date is implemented using an 8 byte floating-point number.
307 * Days are represented by whole numbers increments starting with 0.00 has
308 * being December 30 1899, midnight.
309 * The hours are expressed as the fractional part of the number.
310 * December 30 1899 at midnight = 0.00
311 * January 1 1900 at midnight = 2.00
312 * January 4 1900 at 6 AM = 5.25
313 * January 4 1900 at noon = 5.50
314 * December 29 1899 at midnight = -1.00
315 * December 18 1899 at midnight = -12.00
316 * December 18 1899 at 6AM = -12.25
317 * December 18 1899 at 6PM = -12.75
318 * December 19 1899 at midnight = -11.00
319 * The tm structure is as follows:
320 * struct tm {
321 * int tm_sec; seconds after the minute - [0,59]
322 * int tm_min; minutes after the hour - [0,59]
323 * int tm_hour; hours since midnight - [0,23]
324 * int tm_mday; day of the month - [1,31]
325 * int tm_mon; months since January - [0,11]
326 * int tm_year; years
327 * int tm_wday; days since Sunday - [0,6]
328 * int tm_yday; days since January 1 - [0,365]
329 * int tm_isdst; daylight savings time flag
330 * };
332 * Note: This function does not use the tm_wday, tm_yday, tm_wday,
333 * and tm_isdst fields of the tm structure. And only converts years
334 * after 1900.
336 * Returns TRUE if successful.
338 static BOOL TmToDATE( struct tm* pTm, DATE *pDateOut )
340 int leapYear = 0;
342 /* Hmmm... An uninitialized Date in VB is December 30 1899 so
343 Start at 0. This is the way DATE is defined. */
345 /* Start at 1. This is the way DATE is defined.
346 * January 1, 1900 at Midnight is 1.00.
347 * January 1, 1900 at 6AM is 1.25.
348 * and so on.
350 *pDateOut = 1;
352 if( (pTm->tm_year - 1900) >= 0 ) {
354 /* Add the number of days corresponding to
355 * tm_year.
357 *pDateOut += (pTm->tm_year - 1900) * 365;
359 /* Add the leap days in the previous years between now and 1900.
360 * Note a leap year is one that is a multiple of 4
361 * but not of a 100. Except if it is a multiple of
362 * 400 then it is a leap year.
363 * Copied + reversed functionality into TmToDate
365 *pDateOut += ( (pTm->tm_year - 1) / 4 ) - ( 1900 / 4 );
366 *pDateOut -= ( (pTm->tm_year - 1) / 100 ) - ( 1900 / 100 );
367 *pDateOut += ( (pTm->tm_year - 1) / 400 ) - ( 1900 / 400 );
369 /* Set the leap year flag if the
370 * current year specified by tm_year is a
371 * leap year. This will be used to add a day
372 * to the day count.
374 if( isleap( pTm->tm_year ) )
375 leapYear = 1;
377 /* Add the number of days corresponding to
378 * the month. (remember tm_mon is 0..11)
380 switch( pTm->tm_mon )
382 case 1:
383 *pDateOut += 31;
384 break;
385 case 2:
386 *pDateOut += ( 59 + leapYear );
387 break;
388 case 3:
389 *pDateOut += ( 90 + leapYear );
390 break;
391 case 4:
392 *pDateOut += ( 120 + leapYear );
393 break;
394 case 5:
395 *pDateOut += ( 151 + leapYear );
396 break;
397 case 6:
398 *pDateOut += ( 181 + leapYear );
399 break;
400 case 7:
401 *pDateOut += ( 212 + leapYear );
402 break;
403 case 8:
404 *pDateOut += ( 243 + leapYear );
405 break;
406 case 9:
407 *pDateOut += ( 273 + leapYear );
408 break;
409 case 10:
410 *pDateOut += ( 304 + leapYear );
411 break;
412 case 11:
413 *pDateOut += ( 334 + leapYear );
414 break;
416 /* Add the number of days in this month.
418 *pDateOut += pTm->tm_mday;
420 /* Add the number of seconds, minutes, and hours
421 * to the DATE. Note these are the fracionnal part
422 * of the DATE so seconds / number of seconds in a day.
424 } else {
425 *pDateOut = 0;
428 *pDateOut += pTm->tm_hour / 24.0;
429 *pDateOut += pTm->tm_min / 1440.0;
430 *pDateOut += pTm->tm_sec / 86400.0;
431 return TRUE;
434 /******************************************************************************
435 * DateToTm [INTERNAL]
437 * This function converts a windows DATE to a tm structure.
439 * It does not fill all the fields of the tm structure.
440 * Here is a list of the fields that are filled:
441 * tm_sec, tm_min, tm_hour, tm_year, tm_day, tm_mon.
443 * Note this function does not support dates before the January 1, 1900
444 * or ( dateIn < 2.0 ).
446 * Returns TRUE if successful.
448 BOOL DateToTm( DATE dateIn, DWORD dwFlags, struct tm* pTm )
450 double decimalPart = 0.0;
451 double wholePart = 0.0;
453 memset(pTm,0,sizeof(*pTm));
455 /* Because of the nature of DATE format which
456 * associates 2.0 to January 1, 1900. We will
457 * remove 1.0 from the whole part of the DATE
458 * so that in the following code 1.0
459 * will correspond to January 1, 1900.
460 * This simplifies the processing of the DATE value.
462 decimalPart = fmod( dateIn, 1.0 ); /* Do this before the -1, otherwise 0.xx goes negative */
463 dateIn -= 1.0;
464 wholePart = (double) floor( dateIn );
466 if( !(dwFlags & VAR_TIMEVALUEONLY) )
468 unsigned int nDay = 0;
469 int leapYear = 0;
470 double yearsSince1900 = 0;
472 /* Hard code dates smaller than January 1, 1900. */
473 if( dateIn < 2.0 ) {
474 pTm->tm_year = 1899;
475 pTm->tm_mon = 11; /* December as tm_mon is 0..11 */
476 if( dateIn < 1.0 ) {
477 pTm->tm_mday = 30;
478 dateIn = dateIn * -1.0; /* Ensure +ve for time calculation */
479 decimalPart = decimalPart * -1.0; /* Ensure +ve for time calculation */
480 } else {
481 pTm->tm_mday = 31;
484 } else {
486 /* Start at 1900, this is where the DATE time 0.0 starts.
488 pTm->tm_year = 1900;
489 /* find in what year the day in the "wholePart" falls into.
490 * add the value to the year field.
492 yearsSince1900 = floor( (wholePart / DAYS_IN_ONE_YEAR) + 0.001 );
493 pTm->tm_year += yearsSince1900;
494 /* determine if this is a leap year.
496 if( isleap( pTm->tm_year ) )
498 leapYear = 1;
499 wholePart++;
502 /* find what day of that year the "wholePart" corresponds to.
503 * Note: nDay is in [1-366] format
505 nDay = (((unsigned int) wholePart) - ((pTm->tm_year-1900) * DAYS_IN_ONE_YEAR ));
507 /* Remove the leap days in the previous years between now and 1900.
508 * Note a leap year is one that is a multiple of 4
509 * but not of a 100. Except if it is a multiple of
510 * 400 then it is a leap year.
511 * Copied + reversed functionality from TmToDate
513 nDay -= ( (pTm->tm_year - 1) / 4 ) - ( 1900 / 4 );
514 nDay += ( (pTm->tm_year - 1) / 100 ) - ( 1900 / 100 );
515 nDay -= ( (pTm->tm_year - 1) / 400 ) - ( 1900 / 400 );
517 /* Set the tm_yday value.
518 * Note: The day must be converted from [1-366] to [0-365]
520 /*pTm->tm_yday = nDay - 1;*/
521 /* find which month this day corresponds to.
523 if( nDay <= 31 )
525 pTm->tm_mday = nDay;
526 pTm->tm_mon = 0;
528 else if( nDay <= ( 59 + leapYear ) )
530 pTm->tm_mday = nDay - 31;
531 pTm->tm_mon = 1;
533 else if( nDay <= ( 90 + leapYear ) )
535 pTm->tm_mday = nDay - ( 59 + leapYear );
536 pTm->tm_mon = 2;
538 else if( nDay <= ( 120 + leapYear ) )
540 pTm->tm_mday = nDay - ( 90 + leapYear );
541 pTm->tm_mon = 3;
543 else if( nDay <= ( 151 + leapYear ) )
545 pTm->tm_mday = nDay - ( 120 + leapYear );
546 pTm->tm_mon = 4;
548 else if( nDay <= ( 181 + leapYear ) )
550 pTm->tm_mday = nDay - ( 151 + leapYear );
551 pTm->tm_mon = 5;
553 else if( nDay <= ( 212 + leapYear ) )
555 pTm->tm_mday = nDay - ( 181 + leapYear );
556 pTm->tm_mon = 6;
558 else if( nDay <= ( 243 + leapYear ) )
560 pTm->tm_mday = nDay - ( 212 + leapYear );
561 pTm->tm_mon = 7;
563 else if( nDay <= ( 273 + leapYear ) )
565 pTm->tm_mday = nDay - ( 243 + leapYear );
566 pTm->tm_mon = 8;
568 else if( nDay <= ( 304 + leapYear ) )
570 pTm->tm_mday = nDay - ( 273 + leapYear );
571 pTm->tm_mon = 9;
573 else if( nDay <= ( 334 + leapYear ) )
575 pTm->tm_mday = nDay - ( 304 + leapYear );
576 pTm->tm_mon = 10;
578 else if( nDay <= ( 365 + leapYear ) )
580 pTm->tm_mday = nDay - ( 334 + leapYear );
581 pTm->tm_mon = 11;
585 if( !(dwFlags & VAR_DATEVALUEONLY) )
587 /* find the number of seconds in this day.
588 * fractional part times, hours, minutes, seconds.
589 * Note: 0.1 is hack to ensure figures come out in whole numbers
590 * due to floating point inaccuracies
592 pTm->tm_hour = (int) ( decimalPart * 24 );
593 pTm->tm_min = (int) ( ( ( decimalPart * 24 ) - pTm->tm_hour ) * 60 );
594 /* Note: 0.1 is hack to ensure seconds come out in whole numbers
595 due to floating point inaccuracies */
596 pTm->tm_sec = (int) (( ( ( decimalPart * 24 * 60 ) - ( pTm->tm_hour * 60 ) - pTm->tm_min ) * 60 ) + 0.1);
598 return TRUE;
603 /******************************************************************************
604 * SizeOfVariantData [INTERNAL]
606 * This function finds the size of the data referenced by a Variant based
607 * the type "vt" of the Variant.
609 static int SizeOfVariantData( VARIANT* parg )
611 int size = 0;
612 switch( V_VT(parg) & VT_TYPEMASK )
614 case( VT_I2 ):
615 size = sizeof(short);
616 break;
617 case( VT_INT ):
618 size = sizeof(int);
619 break;
620 case( VT_I4 ):
621 size = sizeof(long);
622 break;
623 case( VT_UI1 ):
624 size = sizeof(BYTE);
625 break;
626 case( VT_UI2 ):
627 size = sizeof(unsigned short);
628 break;
629 case( VT_UINT ):
630 size = sizeof(unsigned int);
631 break;
632 case( VT_UI4 ):
633 size = sizeof(unsigned long);
634 break;
635 case( VT_R4 ):
636 size = sizeof(float);
637 break;
638 case( VT_R8 ):
639 size = sizeof(double);
640 break;
641 case( VT_DATE ):
642 size = sizeof(DATE);
643 break;
644 case( VT_BOOL ):
645 size = sizeof(VARIANT_BOOL);
646 break;
647 case( VT_BSTR ):
648 case( VT_DISPATCH ):
649 case( VT_UNKNOWN ):
650 size = sizeof(void*);
651 break;
652 case( VT_CY ):
653 size = sizeof(CY);
654 break;
655 case( VT_DECIMAL ): /* hmm, tricky, DECIMAL is only VT_BYREF */
656 default:
657 FIXME("Add size information for type vt=%d\n", V_VT(parg) & VT_TYPEMASK );
658 break;
661 return size;
663 /******************************************************************************
664 * StringDupAtoBstr [INTERNAL]
667 static BSTR StringDupAtoBstr( char* strIn )
669 BSTR bstr = NULL;
670 OLECHAR* pNewString = NULL;
671 UNICODE_STRING usBuffer;
673 RtlCreateUnicodeStringFromAsciiz( &usBuffer, strIn );
674 pNewString = usBuffer.Buffer;
676 bstr = SysAllocString( pNewString );
677 RtlFreeUnicodeString( &usBuffer );
678 return bstr;
681 /******************************************************************************
682 * round [INTERNAL]
684 * Round the double value to the nearest integer value.
686 static double round( double d )
688 double decimals = 0.0, integerValue = 0.0, roundedValue = 0.0;
689 BOOL bEvenNumber = FALSE;
690 int nSign = 0;
692 /* Save the sign of the number
694 nSign = (d >= 0.0) ? 1 : -1;
695 d = fabs( d );
697 /* Remove the decimals.
699 integerValue = floor( d );
701 /* Set the Even flag. This is used to round the number when
702 * the decimals are exactly 1/2. If the integer part is
703 * odd the number is rounded up. If the integer part
704 * is even the number is rounded down. Using this method
705 * numbers are rounded up|down half the time.
707 bEvenNumber = (((short)fmod(integerValue, 2)) == 0) ? TRUE : FALSE;
709 /* Remove the integral part of the number.
711 decimals = d - integerValue;
713 /* Note: Ceil returns the smallest integer that is greater that x.
714 * and floor returns the largest integer that is less than or equal to x.
716 if( decimals > 0.5 )
718 /* If the decimal part is greater than 1/2
720 roundedValue = ceil( d );
722 else if( decimals < 0.5 )
724 /* If the decimal part is smaller than 1/2
726 roundedValue = floor( d );
728 else
730 /* the decimals are exactly 1/2 so round according to
731 * the bEvenNumber flag.
733 if( bEvenNumber )
735 roundedValue = floor( d );
737 else
739 roundedValue = ceil( d );
743 return roundedValue * nSign;
746 /******************************************************************************
747 * RemoveCharacterFromString [INTERNAL]
749 * Removes any of the characters in "strOfCharToRemove" from the "str" argument.
751 static void RemoveCharacterFromString( LPSTR str, LPSTR strOfCharToRemove )
753 LPSTR pNewString = NULL;
754 LPSTR strToken = NULL;
756 /* Check if we have a valid argument
758 if( str != NULL )
760 pNewString = strdup( str );
761 str[0] = '\0';
762 strToken = strtok( pNewString, strOfCharToRemove );
763 while( strToken != NULL ) {
764 strcat( str, strToken );
765 strToken = strtok( NULL, strOfCharToRemove );
767 free( pNewString );
769 return;
772 /******************************************************************************
773 * GetValidRealString [INTERNAL]
775 * Checks if the string is of proper format to be converted to a real value.
777 static BOOL IsValidRealString( LPSTR strRealString )
779 /* Real values that have a decimal point are required to either have
780 * digits before or after the decimal point. We will assume that
781 * we do not have any digits at either position. If we do encounter
782 * some we will disable this flag.
784 BOOL bDigitsRequired = TRUE;
785 /* Processed fields in the string representation of the real number.
787 BOOL bWhiteSpaceProcessed = FALSE;
788 BOOL bFirstSignProcessed = FALSE;
789 BOOL bFirstDigitsProcessed = FALSE;
790 BOOL bDecimalPointProcessed = FALSE;
791 BOOL bSecondDigitsProcessed = FALSE;
792 BOOL bExponentProcessed = FALSE;
793 BOOL bSecondSignProcessed = FALSE;
794 BOOL bThirdDigitsProcessed = FALSE;
795 /* Assume string parameter "strRealString" is valid and try to disprove it.
797 BOOL bValidRealString = TRUE;
799 /* Used to count the number of tokens in the "strRealString".
801 LPSTR strToken = NULL;
802 int nTokens = 0;
803 LPSTR pChar = NULL;
805 /* Check if we have a valid argument
807 if( strRealString == NULL )
809 bValidRealString = FALSE;
812 if( bValidRealString == TRUE )
814 /* Make sure we only have ONE token in the string.
816 strToken = strtok( strRealString, " " );
817 while( strToken != NULL ) {
818 nTokens++;
819 strToken = strtok( NULL, " " );
822 if( nTokens != 1 )
824 bValidRealString = FALSE;
829 /* Make sure this token contains only valid characters.
830 * The string argument to atof has the following form:
831 * [whitespace] [sign] [digits] [.digits] [ {d | D | e | E }[sign]digits]
832 * Whitespace consists of space and|or <TAB> characters, which are ignored.
833 * Sign is either plus '+' or minus '-'.
834 * Digits are one or more decimal digits.
835 * Note: If no digits appear before the decimal point, at least one must
836 * appear after the decimal point.
837 * The decimal digits may be followed by an exponent.
838 * An Exponent consists of an introductory letter ( D, d, E, or e) and
839 * an optionally signed decimal integer.
841 pChar = strRealString;
842 while( bValidRealString == TRUE && *pChar != '\0' )
844 switch( *pChar )
846 /* If whitespace...
848 case ' ':
849 case '\t':
850 if( bWhiteSpaceProcessed ||
851 bFirstSignProcessed ||
852 bFirstDigitsProcessed ||
853 bDecimalPointProcessed ||
854 bSecondDigitsProcessed ||
855 bExponentProcessed ||
856 bSecondSignProcessed ||
857 bThirdDigitsProcessed )
859 bValidRealString = FALSE;
861 break;
862 /* If sign...
864 case '+':
865 case '-':
866 if( bFirstSignProcessed == FALSE )
868 if( bFirstDigitsProcessed ||
869 bDecimalPointProcessed ||
870 bSecondDigitsProcessed ||
871 bExponentProcessed ||
872 bSecondSignProcessed ||
873 bThirdDigitsProcessed )
875 bValidRealString = FALSE;
877 bWhiteSpaceProcessed = TRUE;
878 bFirstSignProcessed = TRUE;
880 else if( bSecondSignProcessed == FALSE )
882 /* Note: The exponent must be present in
883 * order to accept the second sign...
885 if( bExponentProcessed == FALSE ||
886 bThirdDigitsProcessed ||
887 bDigitsRequired )
889 bValidRealString = FALSE;
891 bFirstSignProcessed = TRUE;
892 bWhiteSpaceProcessed = TRUE;
893 bFirstDigitsProcessed = TRUE;
894 bDecimalPointProcessed = TRUE;
895 bSecondDigitsProcessed = TRUE;
896 bSecondSignProcessed = TRUE;
898 break;
900 /* If decimals...
902 case '0':
903 case '1':
904 case '2':
905 case '3':
906 case '4':
907 case '5':
908 case '6':
909 case '7':
910 case '8':
911 case '9':
912 if( bFirstDigitsProcessed == FALSE )
914 if( bDecimalPointProcessed ||
915 bSecondDigitsProcessed ||
916 bExponentProcessed ||
917 bSecondSignProcessed ||
918 bThirdDigitsProcessed )
920 bValidRealString = FALSE;
922 bFirstSignProcessed = TRUE;
923 bWhiteSpaceProcessed = TRUE;
924 /* We have found some digits before the decimal point
925 * so disable the "Digits required" flag.
927 bDigitsRequired = FALSE;
929 else if( bSecondDigitsProcessed == FALSE )
931 if( bExponentProcessed ||
932 bSecondSignProcessed ||
933 bThirdDigitsProcessed )
935 bValidRealString = FALSE;
937 bFirstSignProcessed = TRUE;
938 bWhiteSpaceProcessed = TRUE;
939 bFirstDigitsProcessed = TRUE;
940 bDecimalPointProcessed = TRUE;
941 /* We have found some digits after the decimal point
942 * so disable the "Digits required" flag.
944 bDigitsRequired = FALSE;
946 else if( bThirdDigitsProcessed == FALSE )
948 /* Getting here means everything else should be processed.
949 * If we get anything else than a decimal following this
950 * digit it will be flagged by the other cases, so
951 * we do not really need to do anything in here.
954 break;
955 /* If DecimalPoint...
957 case '.':
958 if( bDecimalPointProcessed ||
959 bSecondDigitsProcessed ||
960 bExponentProcessed ||
961 bSecondSignProcessed ||
962 bThirdDigitsProcessed )
964 bValidRealString = FALSE;
966 bFirstSignProcessed = TRUE;
967 bWhiteSpaceProcessed = TRUE;
968 bFirstDigitsProcessed = TRUE;
969 bDecimalPointProcessed = TRUE;
970 break;
971 /* If Exponent...
973 case 'e':
974 case 'E':
975 case 'd':
976 case 'D':
977 if( bExponentProcessed ||
978 bSecondSignProcessed ||
979 bThirdDigitsProcessed ||
980 bDigitsRequired )
982 bValidRealString = FALSE;
984 bFirstSignProcessed = TRUE;
985 bWhiteSpaceProcessed = TRUE;
986 bFirstDigitsProcessed = TRUE;
987 bDecimalPointProcessed = TRUE;
988 bSecondDigitsProcessed = TRUE;
989 bExponentProcessed = TRUE;
990 break;
991 default:
992 bValidRealString = FALSE;
993 break;
995 /* Process next character.
997 pChar++;
1000 /* If the required digits were not present we have an invalid
1001 * string representation of a real number.
1003 if( bDigitsRequired == TRUE )
1005 bValidRealString = FALSE;
1008 return bValidRealString;
1012 /******************************************************************************
1013 * Coerce [INTERNAL]
1015 * This function dispatches execution to the proper conversion API
1016 * to do the necessary coercion.
1018 * FIXME: Passing down dwFlags to the conversion functions is wrong, this
1019 * is a different flagmask. Check MSDN.
1021 static HRESULT Coerce( VARIANTARG* pd, LCID lcid, ULONG dwFlags, VARIANTARG* ps, VARTYPE vt )
1023 HRESULT res = S_OK;
1024 unsigned short vtFrom = 0;
1025 vtFrom = V_VT(ps) & VT_TYPEMASK;
1028 /* Note: Since "long" and "int" values both have 4 bytes and are
1029 * both signed integers "int" will be treated as "long" in the
1030 * following code.
1031 * The same goes for their unsigned versions.
1034 /* Trivial Case: If the coercion is from two types that are
1035 * identical then we can blindly copy from one argument to another.*/
1036 if ((vt==vtFrom))
1037 return VariantCopy(pd,ps);
1039 /* Cases requiring thought*/
1040 switch( vt )
1043 case( VT_EMPTY ):
1044 res = VariantClear( pd );
1045 break;
1046 case( VT_NULL ):
1047 res = VariantClear( pd );
1048 if( res == S_OK )
1050 V_VT(pd) = VT_NULL;
1052 break;
1053 case( VT_I1 ):
1054 switch( vtFrom )
1056 case( VT_I2 ):
1057 res = VarI1FromI2( V_UNION(ps,iVal), &V_UNION(pd,cVal) );
1058 break;
1059 case( VT_INT ):
1060 case( VT_I4 ):
1061 res = VarI1FromI4( V_UNION(ps,lVal), &V_UNION(pd,cVal) );
1062 break;
1063 case( VT_UI1 ):
1064 res = VarI1FromUI1( V_UNION(ps,bVal), &V_UNION(pd,cVal) );
1065 break;
1066 case( VT_UI2 ):
1067 res = VarI1FromUI2( V_UNION(ps,uiVal), &V_UNION(pd,cVal) );
1068 break;
1069 case( VT_UINT ):
1070 case( VT_UI4 ):
1071 res = VarI1FromUI4( V_UNION(ps,ulVal), &V_UNION(pd,cVal) );
1072 break;
1073 case( VT_R4 ):
1074 res = VarI1FromR4( V_UNION(ps,fltVal), &V_UNION(pd,cVal) );
1075 break;
1076 case( VT_R8 ):
1077 res = VarI1FromR8( V_UNION(ps,dblVal), &V_UNION(pd,cVal) );
1078 break;
1079 case( VT_DATE ):
1080 res = VarI1FromDate( V_UNION(ps,date), &V_UNION(pd,cVal) );
1081 break;
1082 case( VT_BOOL ):
1083 res = VarI1FromBool( V_UNION(ps,boolVal), &V_UNION(pd,cVal) );
1084 break;
1085 case( VT_BSTR ):
1086 res = VarI1FromStr( V_UNION(ps,bstrVal), lcid, 0, &V_UNION(pd,cVal) );
1087 break;
1088 case( VT_CY ):
1089 res = VarI1FromCy( V_UNION(ps,cyVal), &V_UNION(pd,cVal) );
1090 break;
1091 case( VT_DISPATCH ):
1092 /*res = VarI1FromDisp( V_UNION(ps,pdispVal), lcid, &V_UNION(pd,cVal) );*/
1093 case( VT_DECIMAL ):
1094 /*res = VarI1FromDec( V_UNION(ps,decVal), &V_UNION(pd,cVal) );*/
1095 case( VT_UNKNOWN ):
1096 default:
1097 res = DISP_E_TYPEMISMATCH;
1098 FIXME("Coercion from %d to VT_I1\n", vtFrom );
1099 break;
1101 break;
1103 case( VT_I2 ):
1104 switch( vtFrom )
1106 case( VT_I1 ):
1107 res = VarI2FromI1( V_UNION(ps,cVal), &V_UNION(pd,iVal) );
1108 break;
1109 case( VT_INT ):
1110 case( VT_I4 ):
1111 res = VarI2FromI4( V_UNION(ps,lVal), &V_UNION(pd,iVal) );
1112 break;
1113 case( VT_UI1 ):
1114 res = VarI2FromUI1( V_UNION(ps,bVal), &V_UNION(pd,iVal) );
1115 break;
1116 case( VT_UI2 ):
1117 res = VarI2FromUI2( V_UNION(ps,uiVal), &V_UNION(pd,iVal) );
1118 break;
1119 case( VT_UINT ):
1120 case( VT_UI4 ):
1121 res = VarI2FromUI4( V_UNION(ps,ulVal), &V_UNION(pd,iVal) );
1122 break;
1123 case( VT_R4 ):
1124 res = VarI2FromR4( V_UNION(ps,fltVal), &V_UNION(pd,iVal) );
1125 break;
1126 case( VT_R8 ):
1127 res = VarI2FromR8( V_UNION(ps,dblVal), &V_UNION(pd,iVal) );
1128 break;
1129 case( VT_DATE ):
1130 res = VarI2FromDate( V_UNION(ps,date), &V_UNION(pd,iVal) );
1131 break;
1132 case( VT_BOOL ):
1133 res = VarI2FromBool( V_UNION(ps,boolVal), &V_UNION(pd,iVal) );
1134 break;
1135 case( VT_BSTR ):
1136 res = VarI2FromStr( V_UNION(ps,bstrVal), lcid, 0, &V_UNION(pd,iVal) );
1137 break;
1138 case( VT_CY ):
1139 res = VarI2FromCy( V_UNION(ps,cyVal), &V_UNION(pd,iVal) );
1140 break;
1141 case( VT_DISPATCH ):
1142 /*res = VarI2FromDisp( V_UNION(ps,pdispVal), lcid, &V_UNION(pd,iVal) );*/
1143 case( VT_DECIMAL ):
1144 /*res = VarI2FromDec( V_UNION(ps,deiVal), &V_UNION(pd,iVal) );*/
1145 case( VT_UNKNOWN ):
1146 default:
1147 res = DISP_E_TYPEMISMATCH;
1148 FIXME("Coercion from %d to VT_I2\n", vtFrom);
1149 break;
1151 break;
1153 case( VT_INT ):
1154 case( VT_I4 ):
1155 switch( vtFrom )
1157 case( VT_EMPTY ):
1158 V_UNION(pd,lVal) = 0;
1159 res = S_OK;
1160 break;
1161 case( VT_I1 ):
1162 res = VarI4FromI1( V_UNION(ps,cVal), &V_UNION(pd,lVal) );
1163 break;
1164 case( VT_I2 ):
1165 res = VarI4FromI2( V_UNION(ps,iVal), &V_UNION(pd,lVal) );
1167 break;
1168 case( VT_ERROR ):
1169 V_UNION(pd,lVal) = V_UNION(pd,scode);
1170 res = S_OK;
1171 break;
1172 case( VT_INT ):
1173 case( VT_I4 ):
1174 res = VariantCopy( pd, ps );
1175 break;
1176 case( VT_UI1 ):
1177 res = VarI4FromUI1( V_UNION(ps,bVal), &V_UNION(pd,lVal) );
1178 break;
1179 case( VT_UI2 ):
1180 res = VarI4FromUI2( V_UNION(ps,uiVal), &V_UNION(pd,lVal) );
1181 break;
1182 case( VT_UINT ):
1183 case( VT_UI4 ):
1184 res = VarI4FromUI4( V_UNION(ps,ulVal), &V_UNION(pd,lVal) );
1185 break;
1186 case( VT_R4 ):
1187 res = VarI4FromR4( V_UNION(ps,fltVal), &V_UNION(pd,lVal) );
1188 break;
1189 case( VT_R8 ):
1190 res = VarI4FromR8( V_UNION(ps,dblVal), &V_UNION(pd,lVal) );
1191 break;
1192 case( VT_DATE ):
1193 res = VarI4FromDate( V_UNION(ps,date), &V_UNION(pd,lVal) );
1194 break;
1195 case( VT_BOOL ):
1196 res = VarI4FromBool( V_UNION(ps,boolVal), &V_UNION(pd,lVal) );
1197 break;
1198 case( VT_BSTR ):
1199 res = VarI4FromStr( V_UNION(ps,bstrVal), lcid, 0, &V_UNION(pd,lVal) );
1200 break;
1201 case( VT_CY ):
1202 res = VarI4FromCy( V_UNION(ps,cyVal), &V_UNION(pd,lVal) );
1203 break;
1204 case( VT_DISPATCH ):
1205 /*res = VarI4FromDisp( V_UNION(ps,pdispVal), lcid, &V_UNION(pd,lVal) );*/
1206 case( VT_DECIMAL ):
1207 /*res = VarI4FromDec( V_UNION(ps,deiVal), &V_UNION(pd,lVal) );*/
1208 case( VT_UNKNOWN ):
1209 default:
1210 res = DISP_E_TYPEMISMATCH;
1211 FIXME("Coercion from %d to VT_INT/VT_I4\n", vtFrom);
1212 break;
1214 break;
1216 case( VT_UI1 ):
1217 switch( vtFrom )
1219 case( VT_I1 ):
1220 res = VarUI1FromI1( V_UNION(ps,cVal), &V_UNION(pd,bVal) );
1221 break;
1222 case( VT_I2 ):
1223 res = VarUI1FromI2( V_UNION(ps,iVal), &V_UNION(pd,bVal) );
1224 break;
1225 case( VT_INT ):
1226 case( VT_I4 ):
1227 res = VarUI1FromI4( V_UNION(ps,lVal), &V_UNION(pd,bVal) );
1228 break;
1229 case( VT_UI1 ):
1230 res = VariantCopy( pd, ps );
1231 break;
1232 case( VT_UI2 ):
1233 res = VarUI1FromUI2( V_UNION(ps,uiVal), &V_UNION(pd,bVal) );
1234 break;
1235 case( VT_UINT ):
1236 case( VT_UI4 ):
1237 res = VarUI1FromUI4( V_UNION(ps,ulVal), &V_UNION(pd,bVal) );
1238 break;
1239 case( VT_R4 ):
1240 res = VarUI1FromR4( V_UNION(ps,fltVal), &V_UNION(pd,bVal) );
1241 break;
1242 case( VT_R8 ):
1243 res = VarUI1FromR8( V_UNION(ps,dblVal), &V_UNION(pd,bVal) );
1244 break;
1245 case( VT_DATE ):
1246 res = VarUI1FromDate( V_UNION(ps,date), &V_UNION(pd,bVal) );
1247 break;
1248 case( VT_BOOL ):
1249 res = VarUI1FromBool( V_UNION(ps,boolVal), &V_UNION(pd,bVal) );
1250 break;
1251 case( VT_BSTR ):
1252 res = VarUI1FromStr( V_UNION(ps,bstrVal), lcid, 0, &V_UNION(pd,bVal) );
1253 break;
1254 case( VT_CY ):
1255 res = VarUI1FromCy( V_UNION(ps,cyVal), &V_UNION(pd,bVal) );
1256 break;
1257 case( VT_DISPATCH ):
1258 /*res = VarUI1FromDisp( V_UNION(ps,pdispVal), lcid, &V_UNION(pd,bVal) );*/
1259 case( VT_DECIMAL ):
1260 /*res = VarUI1FromDec( V_UNION(ps,deiVal), &V_UNION(pd,bVal) );*/
1261 case( VT_UNKNOWN ):
1262 default:
1263 res = DISP_E_TYPEMISMATCH;
1264 FIXME("Coercion from %d to VT_UI1\n", vtFrom);
1265 break;
1267 break;
1269 case( VT_UI2 ):
1270 switch( vtFrom )
1272 case( VT_I1 ):
1273 res = VarUI2FromI1( V_UNION(ps,cVal), &V_UNION(pd,uiVal) );
1274 break;
1275 case( VT_I2 ):
1276 res = VarUI2FromI2( V_UNION(ps,iVal), &V_UNION(pd,uiVal) );
1277 break;
1278 case( VT_INT ):
1279 case( VT_I4 ):
1280 res = VarUI2FromI4( V_UNION(ps,lVal), &V_UNION(pd,uiVal) );
1281 break;
1282 case( VT_UI1 ):
1283 res = VarUI2FromUI1( V_UNION(ps,bVal), &V_UNION(pd,uiVal) );
1284 break;
1285 case( VT_UI2 ):
1286 res = VariantCopy( pd, ps );
1287 break;
1288 case( VT_UINT ):
1289 case( VT_UI4 ):
1290 res = VarUI2FromUI4( V_UNION(ps,ulVal), &V_UNION(pd,uiVal) );
1291 break;
1292 case( VT_R4 ):
1293 res = VarUI2FromR4( V_UNION(ps,fltVal), &V_UNION(pd,uiVal) );
1294 break;
1295 case( VT_R8 ):
1296 res = VarUI2FromR8( V_UNION(ps,dblVal), &V_UNION(pd,uiVal) );
1297 break;
1298 case( VT_DATE ):
1299 res = VarUI2FromDate( V_UNION(ps,date), &V_UNION(pd,uiVal) );
1300 break;
1301 case( VT_BOOL ):
1302 res = VarUI2FromBool( V_UNION(ps,boolVal), &V_UNION(pd,uiVal) );
1303 break;
1304 case( VT_BSTR ):
1305 res = VarUI2FromStr( V_UNION(ps,bstrVal), lcid, 0, &V_UNION(pd,uiVal) );
1306 break;
1307 case( VT_CY ):
1308 res = VarUI2FromCy( V_UNION(ps,cyVal), &V_UNION(pd,uiVal) );
1309 break;
1310 case( VT_DISPATCH ):
1311 /*res = VarUI2FromDisp( V_UNION(ps,pdispVal), lcid, &V_UNION(pd,uiVal) );*/
1312 case( VT_DECIMAL ):
1313 /*res = VarUI2FromDec( V_UNION(ps,deiVal), &V_UNION(pd,uiVal) );*/
1314 case( VT_UNKNOWN ):
1315 default:
1316 res = DISP_E_TYPEMISMATCH;
1317 FIXME("Coercion from %d to VT_UI2\n", vtFrom);
1318 break;
1320 break;
1322 case( VT_UINT ):
1323 case( VT_UI4 ):
1324 switch( vtFrom )
1326 case( VT_I1 ):
1327 res = VarUI4FromI1( V_UNION(ps,cVal), &V_UNION(pd,ulVal) );
1328 break;
1329 case( VT_I2 ):
1330 res = VarUI4FromI2( V_UNION(ps,iVal), &V_UNION(pd,ulVal) );
1331 break;
1332 case( VT_INT ):
1333 case( VT_I4 ):
1334 res = VarUI4FromI4( V_UNION(ps,lVal), &V_UNION(pd,ulVal) );
1335 break;
1336 case( VT_UI1 ):
1337 res = VarUI4FromUI1( V_UNION(ps,bVal), &V_UNION(pd,ulVal) );
1338 break;
1339 case( VT_UI2 ):
1340 res = VarUI4FromUI2( V_UNION(ps,uiVal), &V_UNION(pd,ulVal) );
1341 break;
1342 case( VT_UI4 ):
1343 res = VariantCopy( pd, ps );
1344 break;
1345 case( VT_R4 ):
1346 res = VarUI4FromR4( V_UNION(ps,fltVal), &V_UNION(pd,ulVal) );
1347 break;
1348 case( VT_R8 ):
1349 res = VarUI4FromR8( V_UNION(ps,dblVal), &V_UNION(pd,ulVal) );
1350 break;
1351 case( VT_DATE ):
1352 res = VarUI4FromDate( V_UNION(ps,date), &V_UNION(pd,ulVal) );
1353 break;
1354 case( VT_BOOL ):
1355 res = VarUI4FromBool( V_UNION(ps,boolVal), &V_UNION(pd,ulVal) );
1356 break;
1357 case( VT_BSTR ):
1358 res = VarUI4FromStr( V_UNION(ps,bstrVal), lcid, 0, &V_UNION(pd,ulVal) );
1359 break;
1360 case( VT_CY ):
1361 res = VarUI4FromCy( V_UNION(ps,cyVal), &V_UNION(pd,ulVal) );
1362 break;
1363 case( VT_DISPATCH ):
1364 /*res = VarUI4FromDisp( V_UNION(ps,pdispVal), lcid, &V_UNION(pd,ulVal) );*/
1365 case( VT_DECIMAL ):
1366 /*res = VarUI4FromDec( V_UNION(ps,deiVal), &V_UNION(pd,ulVal) );*/
1367 case( VT_UNKNOWN ):
1368 default:
1369 res = DISP_E_TYPEMISMATCH;
1370 FIXME("Coercion from %d to VT_UINT/VT_UI4\n", vtFrom);
1371 break;
1373 break;
1375 case( VT_R4 ):
1376 switch( vtFrom )
1378 case( VT_I1 ):
1379 res = VarR4FromI1( V_UNION(ps,cVal), &V_UNION(pd,fltVal) );
1380 break;
1381 case( VT_I2 ):
1382 res = VarR4FromI2( V_UNION(ps,iVal), &V_UNION(pd,fltVal) );
1383 break;
1384 case( VT_INT ):
1385 case( VT_I4 ):
1386 res = VarR4FromI4( V_UNION(ps,lVal), &V_UNION(pd,fltVal) );
1387 break;
1388 case( VT_UI1 ):
1389 res = VarR4FromUI1( V_UNION(ps,bVal), &V_UNION(pd,fltVal) );
1390 break;
1391 case( VT_UI2 ):
1392 res = VarR4FromUI2( V_UNION(ps,uiVal), &V_UNION(pd,fltVal) );
1393 break;
1394 case( VT_UINT ):
1395 case( VT_UI4 ):
1396 res = VarR4FromUI4( V_UNION(ps,ulVal), &V_UNION(pd,fltVal) );
1397 break;
1398 case( VT_R4 ):
1399 res = VariantCopy( pd, ps );
1400 break;
1401 case( VT_R8 ):
1402 res = VarR4FromR8( V_UNION(ps,dblVal), &V_UNION(pd,fltVal) );
1403 break;
1404 case( VT_DATE ):
1405 res = VarR4FromDate( V_UNION(ps,date), &V_UNION(pd,fltVal) );
1406 break;
1407 case( VT_BOOL ):
1408 res = VarR4FromBool( V_UNION(ps,boolVal), &V_UNION(pd,fltVal) );
1409 break;
1410 case( VT_BSTR ):
1411 res = VarR4FromStr( V_UNION(ps,bstrVal), lcid, 0, &V_UNION(pd,fltVal) );
1412 break;
1413 case( VT_CY ):
1414 res = VarR4FromCy( V_UNION(ps,cyVal), &V_UNION(pd,fltVal) );
1415 break;
1416 case( VT_ERROR ):
1417 V_UNION(pd,fltVal) = V_UNION(ps,scode);
1418 res = S_OK;
1419 break;
1420 case( VT_DISPATCH ):
1421 /*res = VarR4FromDisp( V_UNION(ps,pdispVal), lcid, &V_UNION(pd,fltVal) );*/
1422 case( VT_DECIMAL ):
1423 /*res = VarR4FromDec( V_UNION(ps,deiVal), &V_UNION(pd,fltVal) );*/
1424 case( VT_UNKNOWN ):
1425 default:
1426 res = DISP_E_TYPEMISMATCH;
1427 FIXME("Coercion from %d to VT_R4\n", vtFrom);
1428 break;
1430 break;
1432 case( VT_R8 ):
1433 switch( vtFrom )
1435 case( VT_I1 ):
1436 res = VarR8FromI1( V_UNION(ps,cVal), &V_UNION(pd,dblVal) );
1437 break;
1438 case( VT_I2 ):
1439 res = VarR8FromI2( V_UNION(ps,iVal), &V_UNION(pd,dblVal) );
1440 break;
1441 case( VT_INT ):
1442 case( VT_I4 ):
1443 res = VarR8FromI4( V_UNION(ps,lVal), &V_UNION(pd,dblVal) );
1444 break;
1445 case( VT_UI1 ):
1446 res = VarR8FromUI1( V_UNION(ps,bVal), &V_UNION(pd,dblVal) );
1447 break;
1448 case( VT_UI2 ):
1449 res = VarR8FromUI2( V_UNION(ps,uiVal), &V_UNION(pd,dblVal) );
1450 break;
1451 case( VT_UINT ):
1452 case( VT_UI4 ):
1453 res = VarR8FromUI4( V_UNION(ps,ulVal), &V_UNION(pd,dblVal) );
1454 break;
1455 case( VT_R4 ):
1456 res = VarR8FromR4( V_UNION(ps,fltVal), &V_UNION(pd,dblVal) );
1457 break;
1458 case( VT_R8 ):
1459 res = VariantCopy( pd, ps );
1460 break;
1461 case( VT_DATE ):
1462 res = VarR8FromDate( V_UNION(ps,date), &V_UNION(pd,dblVal) );
1463 break;
1464 case( VT_BOOL ):
1465 res = VarR8FromBool( V_UNION(ps,boolVal), &V_UNION(pd,dblVal) );
1466 break;
1467 case( VT_BSTR ):
1468 res = VarR8FromStr( V_UNION(ps,bstrVal), lcid, 0, &V_UNION(pd,dblVal) );
1469 break;
1470 case( VT_CY ):
1471 res = VarR8FromCy( V_UNION(ps,cyVal), &V_UNION(pd,dblVal) );
1472 break;
1473 case( VT_DISPATCH ):
1474 /*res = VarR8FromDisp( V_UNION(ps,pdispVal), lcid, &V_UNION(pd,dblVal) );*/
1475 case( VT_DECIMAL ):
1476 /*res = VarR8FromDec( V_UNION(ps,deiVal), &V_UNION(pd,dblVal) );*/
1477 case( VT_UNKNOWN ):
1478 default:
1479 res = DISP_E_TYPEMISMATCH;
1480 FIXME("Coercion from %d to VT_R8\n", vtFrom);
1481 break;
1483 break;
1485 case( VT_DATE ):
1486 switch( vtFrom )
1488 case( VT_I1 ):
1489 res = VarDateFromI1( V_UNION(ps,cVal), &V_UNION(pd,date) );
1490 break;
1491 case( VT_I2 ):
1492 res = VarDateFromI2( V_UNION(ps,iVal), &V_UNION(pd,date) );
1493 break;
1494 case( VT_INT ):
1495 res = VarDateFromInt( V_UNION(ps,intVal), &V_UNION(pd,date) );
1496 break;
1497 case( VT_I4 ):
1498 res = VarDateFromI4( V_UNION(ps,lVal), &V_UNION(pd,date) );
1499 break;
1500 case( VT_UI1 ):
1501 res = VarDateFromUI1( V_UNION(ps,bVal), &V_UNION(pd,date) );
1502 break;
1503 case( VT_UI2 ):
1504 res = VarDateFromUI2( V_UNION(ps,uiVal), &V_UNION(pd,date) );
1505 break;
1506 case( VT_UINT ):
1507 res = VarDateFromUint( V_UNION(ps,uintVal), &V_UNION(pd,date) );
1508 break;
1509 case( VT_UI4 ):
1510 res = VarDateFromUI4( V_UNION(ps,ulVal), &V_UNION(pd,date) );
1511 break;
1512 case( VT_R4 ):
1513 res = VarDateFromR4( V_UNION(ps,fltVal), &V_UNION(pd,date) );
1514 break;
1515 case( VT_R8 ):
1516 res = VarDateFromR8( V_UNION(ps,dblVal), &V_UNION(pd,date) );
1517 break;
1518 case( VT_BOOL ):
1519 res = VarDateFromBool( V_UNION(ps,boolVal), &V_UNION(pd,date) );
1520 break;
1521 case( VT_BSTR ):
1522 res = VarDateFromStr( V_UNION(ps,bstrVal), lcid, 0, &V_UNION(pd,date) );
1523 break;
1524 case( VT_CY ):
1525 res = VarDateFromCy( V_UNION(ps,cyVal), &V_UNION(pd,date) );
1526 break;
1527 case( VT_DISPATCH ):
1528 /*res = VarDateFromDisp( V_UNION(ps,pdispVal), lcid, &V_UNION(pd,date) );*/
1529 case( VT_DECIMAL ):
1530 /*res = VarDateFromDec( V_UNION(ps,deiVal), &V_UNION(pd,date) );*/
1531 case( VT_UNKNOWN ):
1532 default:
1533 res = DISP_E_TYPEMISMATCH;
1534 FIXME("Coercion from %d to VT_DATE\n", vtFrom);
1535 break;
1537 break;
1539 case( VT_BOOL ):
1540 switch( vtFrom )
1542 case( VT_EMPTY ):
1543 res = S_OK;
1544 V_UNION(pd,boolVal) = VARIANT_FALSE;
1545 break;
1546 case( VT_I1 ):
1547 res = VarBoolFromI1( V_UNION(ps,cVal), &V_UNION(pd,boolVal) );
1548 break;
1549 case( VT_I2 ):
1550 res = VarBoolFromI2( V_UNION(ps,iVal), &V_UNION(pd,boolVal) );
1551 break;
1552 case( VT_INT ):
1553 res = VarBoolFromInt( V_UNION(ps,intVal), &V_UNION(pd,boolVal) );
1554 break;
1555 case( VT_I4 ):
1556 res = VarBoolFromI4( V_UNION(ps,lVal), &V_UNION(pd,boolVal) );
1557 break;
1558 case( VT_UI1 ):
1559 res = VarBoolFromUI1( V_UNION(ps,bVal), &V_UNION(pd,boolVal) );
1560 break;
1561 case( VT_UI2 ):
1562 res = VarBoolFromUI2( V_UNION(ps,uiVal), &V_UNION(pd,boolVal) );
1563 break;
1564 case( VT_UINT ):
1565 res = VarBoolFromUint( V_UNION(ps,uintVal), &V_UNION(pd,boolVal) );
1566 break;
1567 case( VT_UI4 ):
1568 res = VarBoolFromUI4( V_UNION(ps,ulVal), &V_UNION(pd,boolVal) );
1569 break;
1570 case( VT_R4 ):
1571 res = VarBoolFromR4( V_UNION(ps,fltVal), &V_UNION(pd,boolVal) );
1572 break;
1573 case( VT_R8 ):
1574 res = VarBoolFromR8( V_UNION(ps,dblVal), &V_UNION(pd,boolVal) );
1575 break;
1576 case( VT_DATE ):
1577 res = VarBoolFromDate( V_UNION(ps,date), &V_UNION(pd,boolVal) );
1578 break;
1579 case( VT_BSTR ):
1580 res = VarBoolFromStr( V_UNION(ps,bstrVal), lcid, 0, &V_UNION(pd,boolVal) );
1581 break;
1582 case( VT_CY ):
1583 res = VarBoolFromCy( V_UNION(ps,cyVal), &V_UNION(pd,boolVal) );
1584 break;
1585 case( VT_DISPATCH ):
1586 /*res = VarBoolFromDisp( V_UNION(ps,pdispVal), lcid, &V_UNION(pd,boolVal) );*/
1587 case( VT_DECIMAL ):
1588 /*res = VarBoolFromDec( V_UNION(ps,deiVal), &V_UNION(pd,boolVal) );*/
1589 case( VT_UNKNOWN ):
1590 default:
1591 res = DISP_E_TYPEMISMATCH;
1592 FIXME("Coercion from %d to VT_BOOL\n", vtFrom);
1593 break;
1595 break;
1597 case( VT_BSTR ):
1598 switch( vtFrom )
1600 case( VT_EMPTY ):
1601 if ((V_UNION(pd,bstrVal) = SysAllocStringLen(NULL, 0)))
1602 res = S_OK;
1603 else
1604 res = E_OUTOFMEMORY;
1605 break;
1606 case( VT_I1 ):
1607 res = VarBstrFromI1( V_UNION(ps,cVal), lcid, 0, &V_UNION(pd,bstrVal) );
1608 break;
1609 case( VT_I2 ):
1610 res = VarBstrFromI2( V_UNION(ps,iVal), lcid, 0, &V_UNION(pd,bstrVal) );
1611 break;
1612 case( VT_INT ):
1613 res = VarBstrFromInt( V_UNION(ps,intVal), lcid, 0, &V_UNION(pd,bstrVal) );
1614 break;
1615 case( VT_I4 ):
1616 res = VarBstrFromI4( V_UNION(ps,lVal), lcid, 0, &V_UNION(pd,bstrVal) );
1617 break;
1618 case( VT_UI1 ):
1619 res = VarBstrFromUI1( V_UNION(ps,bVal), lcid, 0, &V_UNION(pd,bstrVal) );
1620 break;
1621 case( VT_UI2 ):
1622 res = VarBstrFromUI2( V_UNION(ps,uiVal), lcid, 0, &V_UNION(pd,bstrVal) );
1623 break;
1624 case( VT_UINT ):
1625 res = VarBstrFromUint( V_UNION(ps,uintVal), lcid, 0, &V_UNION(pd,bstrVal) );
1626 break;
1627 case( VT_UI4 ):
1628 res = VarBstrFromUI4( V_UNION(ps,ulVal), lcid, 0, &V_UNION(pd,bstrVal) );
1629 break;
1630 case( VT_R4 ):
1631 res = VarBstrFromR4( V_UNION(ps,fltVal), lcid, 0, &V_UNION(pd,bstrVal) );
1632 break;
1633 case( VT_R8 ):
1634 res = VarBstrFromR8( V_UNION(ps,dblVal), lcid, 0, &V_UNION(pd,bstrVal) );
1635 break;
1636 case( VT_DATE ):
1637 res = VarBstrFromDate( V_UNION(ps,date), lcid, 0, &V_UNION(pd,bstrVal) );
1638 break;
1639 case( VT_BOOL ):
1640 res = VarBstrFromBool( V_UNION(ps,boolVal), lcid, 0, &V_UNION(pd,bstrVal) );
1641 break;
1642 case( VT_BSTR ):
1643 res = VariantCopy( pd, ps );
1644 break;
1645 case( VT_CY ):
1646 res = VarBstrFromCy( V_UNION(ps,cyVal), lcid, 0, &V_UNION(pd,bstrVal) );
1647 break;
1648 case( VT_DISPATCH ):
1649 /*res = VarBstrFromDisp( V_UNION(ps,pdispVal), lcid, 0, &(pd,bstrVal) );*/
1650 case( VT_DECIMAL ):
1651 /*res = VarBstrFromDec( V_UNION(ps,deiVal), lcid, 0, &(pd,bstrVal) );*/
1652 case( VT_UNKNOWN ):
1653 default:
1654 res = DISP_E_TYPEMISMATCH;
1655 FIXME("Coercion from %d to VT_BSTR\n", vtFrom);
1656 break;
1658 break;
1660 case( VT_CY ):
1661 switch( vtFrom )
1663 case( VT_I1 ):
1664 res = VarCyFromI1( V_UNION(ps,cVal), &V_UNION(pd,cyVal) );
1665 break;
1666 case( VT_I2 ):
1667 res = VarCyFromI2( V_UNION(ps,iVal), &V_UNION(pd,cyVal) );
1668 break;
1669 case( VT_INT ):
1670 res = VarCyFromInt( V_UNION(ps,intVal), &V_UNION(pd,cyVal) );
1671 break;
1672 case( VT_I4 ):
1673 res = VarCyFromI4( V_UNION(ps,lVal), &V_UNION(pd,cyVal) );
1674 break;
1675 case( VT_UI1 ):
1676 res = VarCyFromUI1( V_UNION(ps,bVal), &V_UNION(pd,cyVal) );
1677 break;
1678 case( VT_UI2 ):
1679 res = VarCyFromUI2( V_UNION(ps,uiVal), &V_UNION(pd,cyVal) );
1680 break;
1681 case( VT_UINT ):
1682 res = VarCyFromUint( V_UNION(ps,uintVal), &V_UNION(pd,cyVal) );
1683 break;
1684 case( VT_UI4 ):
1685 res = VarCyFromUI4( V_UNION(ps,ulVal), &V_UNION(pd,cyVal) );
1686 break;
1687 case( VT_R4 ):
1688 res = VarCyFromR4( V_UNION(ps,fltVal), &V_UNION(pd,cyVal) );
1689 break;
1690 case( VT_R8 ):
1691 res = VarCyFromR8( V_UNION(ps,dblVal), &V_UNION(pd,cyVal) );
1692 break;
1693 case( VT_DATE ):
1694 res = VarCyFromDate( V_UNION(ps,date), &V_UNION(pd,cyVal) );
1695 break;
1696 case( VT_BOOL ):
1697 res = VarCyFromBool( V_UNION(ps,date), &V_UNION(pd,cyVal) );
1698 break;
1699 case( VT_CY ):
1700 res = VariantCopy( pd, ps );
1701 break;
1702 case( VT_BSTR ):
1703 res = VarCyFromStr( V_UNION(ps,bstrVal), lcid, 0, &V_UNION(pd,cyVal) );
1704 break;
1705 case( VT_DISPATCH ):
1706 /*res = VarCyFromDisp( V_UNION(ps,pdispVal), lcid, &V_UNION(pd,cyVal) );*/
1707 case( VT_DECIMAL ):
1708 /*res = VarCyFromDec( V_UNION(ps,deiVal), &V_UNION(pd,cyVal) );*/
1709 break;
1710 case( VT_UNKNOWN ):
1711 default:
1712 res = DISP_E_TYPEMISMATCH;
1713 FIXME("Coercion from %d to VT_CY\n", vtFrom);
1714 break;
1716 break;
1718 case( VT_UNKNOWN ):
1719 switch (vtFrom) {
1720 case VT_DISPATCH:
1721 if (V_DISPATCH(ps) == NULL) {
1722 V_UNKNOWN(pd) = NULL;
1723 } else {
1724 res = IDispatch_QueryInterface(V_DISPATCH(ps), &IID_IUnknown, (LPVOID*)&V_UNKNOWN(pd));
1726 break;
1727 case VT_EMPTY: case VT_NULL: case VT_I2: case VT_I4:
1728 case VT_R4: case VT_R8: case VT_CY: case VT_DATE:
1729 case VT_BSTR: case VT_ERROR: case VT_BOOL:
1730 case VT_VARIANT: case VT_DECIMAL: case VT_I1: case VT_UI1:
1731 case VT_UI2: case VT_UI4: case VT_I8: case VT_UI8: case VT_INT:
1732 case VT_UINT: case VT_VOID: case VT_HRESULT: case VT_PTR:
1733 case VT_SAFEARRAY: case VT_CARRAY: case VT_USERDEFINED:
1734 case VT_LPSTR: case VT_LPWSTR: case VT_RECORD: case VT_FILETIME:
1735 case VT_BLOB: case VT_STREAM: case VT_STORAGE:
1736 case VT_STREAMED_OBJECT: case VT_STORED_OBJECT: case VT_BLOB_OBJECT:
1737 case VT_CF: case VT_CLSID:
1738 res = DISP_E_TYPEMISMATCH;
1739 break;
1740 default:
1741 FIXME("Coercion from %d to VT_UNKNOWN unhandled.\n", vtFrom);
1742 res = DISP_E_BADVARTYPE;
1743 break;
1745 break;
1747 case( VT_DISPATCH ):
1748 switch (vtFrom) {
1749 case VT_UNKNOWN:
1750 if (V_UNION(ps,punkVal) == NULL) {
1751 V_UNION(pd,pdispVal) = NULL;
1752 } else {
1753 res = IUnknown_QueryInterface(V_UNION(ps,punkVal), &IID_IDispatch, (LPVOID*)&V_UNION(pd,pdispVal));
1755 break;
1756 case VT_EMPTY: case VT_NULL: case VT_I2: case VT_I4:
1757 case VT_R4: case VT_R8: case VT_CY: case VT_DATE:
1758 case VT_BSTR: case VT_ERROR: case VT_BOOL:
1759 case VT_VARIANT: case VT_DECIMAL: case VT_I1: case VT_UI1:
1760 case VT_UI2: case VT_UI4: case VT_I8: case VT_UI8: case VT_INT:
1761 case VT_UINT: case VT_VOID: case VT_HRESULT:
1762 case VT_SAFEARRAY: case VT_CARRAY: case VT_USERDEFINED:
1763 case VT_LPSTR: case VT_LPWSTR: case VT_RECORD: case VT_FILETIME:
1764 case VT_BLOB: case VT_STREAM: case VT_STORAGE:
1765 case VT_STREAMED_OBJECT: case VT_STORED_OBJECT: case VT_BLOB_OBJECT:
1766 case VT_CF: case VT_CLSID:
1767 res = DISP_E_TYPEMISMATCH;
1768 break;
1769 case VT_PTR:
1770 V_UNION(pd,pdispVal) = V_UNION(ps,pdispVal);
1771 break;
1772 default:
1773 FIXME("Coercion from %d to VT_DISPATCH unhandled.\n", vtFrom);
1774 res = DISP_E_BADVARTYPE;
1775 break;
1777 break;
1779 default:
1780 res = DISP_E_TYPEMISMATCH;
1781 FIXME("Coercion from %d to %d\n", vtFrom, vt );
1782 break;
1785 return res;
1788 /******************************************************************************
1789 * ValidateVtRange [INTERNAL]
1791 * Used internally by the hi-level Variant API to determine
1792 * if the vartypes are valid.
1794 static HRESULT WINAPI ValidateVtRange( VARTYPE vt )
1796 /* if by value we must make sure it is in the
1797 * range of the valid types.
1799 if( ( vt & VT_TYPEMASK ) > VT_MAXVALIDTYPE )
1801 return DISP_E_BADVARTYPE;
1803 return S_OK;
1807 /******************************************************************************
1808 * ValidateVartype [INTERNAL]
1810 * Used internally by the hi-level Variant API to determine
1811 * if the vartypes are valid.
1813 static HRESULT WINAPI ValidateVariantType( VARTYPE vt )
1815 HRESULT res = S_OK;
1817 /* check if we have a valid argument.
1819 if( vt & VT_BYREF )
1821 /* if by reference check that the type is in
1822 * the valid range and that it is not of empty or null type
1824 if( ( vt & VT_TYPEMASK ) == VT_EMPTY ||
1825 ( vt & VT_TYPEMASK ) == VT_NULL ||
1826 ( vt & VT_TYPEMASK ) > VT_MAXVALIDTYPE )
1828 res = DISP_E_BADVARTYPE;
1832 else
1834 res = ValidateVtRange( vt );
1837 return res;
1840 /******************************************************************************
1841 * ValidateVt [INTERNAL]
1843 * Used internally by the hi-level Variant API to determine
1844 * if the vartypes are valid.
1846 static HRESULT WINAPI ValidateVt( VARTYPE vt )
1848 HRESULT res = S_OK;
1850 /* check if we have a valid argument.
1852 if( vt & VT_BYREF )
1854 /* if by reference check that the type is in
1855 * the valid range and that it is not of empty or null type
1857 if( ( vt & VT_TYPEMASK ) == VT_EMPTY ||
1858 ( vt & VT_TYPEMASK ) == VT_NULL ||
1859 ( vt & VT_TYPEMASK ) > VT_MAXVALIDTYPE )
1861 res = DISP_E_BADVARTYPE;
1865 else
1867 res = ValidateVtRange( vt );
1870 return res;
1877 /******************************************************************************
1878 * VariantInit [OLEAUT32.8]
1880 * Initializes the Variant. Unlike VariantClear it does not interpret
1881 * the current contents of the Variant.
1883 void WINAPI VariantInit(VARIANTARG* pvarg)
1885 TRACE("(%p)\n",pvarg);
1887 memset(pvarg, 0, sizeof (VARIANTARG));
1888 V_VT(pvarg) = VT_EMPTY;
1890 return;
1893 /******************************************************************************
1894 * VariantClear [OLEAUT32.9]
1896 * This function clears the VARIANT by setting the vt field to VT_EMPTY. It also
1897 * sets the wReservedX field to 0. The current contents of the VARIANT are
1898 * freed. If the vt is VT_BSTR the string is freed. If VT_DISPATCH the object is
1899 * released. If VT_ARRAY the array is freed.
1901 HRESULT WINAPI VariantClear(VARIANTARG* pvarg)
1903 HRESULT res = S_OK;
1904 TRACE("(%p)\n",pvarg);
1906 res = ValidateVariantType( V_VT(pvarg) );
1907 if( res == S_OK )
1909 if( !( V_VT(pvarg) & VT_BYREF ) )
1912 * The VT_ARRAY flag is a special case of a safe array.
1914 if ( (V_VT(pvarg) & VT_ARRAY) != 0)
1916 SafeArrayDestroy(V_UNION(pvarg,parray));
1918 else
1920 switch( V_VT(pvarg) & VT_TYPEMASK )
1922 case( VT_BSTR ):
1923 SysFreeString( V_UNION(pvarg,bstrVal) );
1924 break;
1925 case( VT_DISPATCH ):
1926 if(V_UNION(pvarg,pdispVal)!=NULL)
1927 IDispatch_Release(V_UNION(pvarg,pdispVal));
1928 break;
1929 case( VT_VARIANT ):
1930 VariantClear(V_UNION(pvarg,pvarVal));
1931 break;
1932 case( VT_UNKNOWN ):
1933 if(V_UNION(pvarg,punkVal)!=NULL)
1934 IUnknown_Release(V_UNION(pvarg,punkVal));
1935 break;
1936 case( VT_SAFEARRAY ):
1937 SafeArrayDestroy(V_UNION(pvarg,parray));
1938 break;
1939 default:
1940 break;
1946 * Empty all the fields and mark the type as empty.
1948 memset(pvarg, 0, sizeof (VARIANTARG));
1949 V_VT(pvarg) = VT_EMPTY;
1952 return res;
1955 /******************************************************************************
1956 * VariantCopy [OLEAUT32.10]
1958 * Frees up the designation variant and makes a copy of the source.
1960 HRESULT WINAPI VariantCopy(VARIANTARG* pvargDest, VARIANTARG* pvargSrc)
1962 HRESULT res = S_OK;
1964 TRACE("(%p, %p), vt=%d\n", pvargDest, pvargSrc, V_VT(pvargSrc));
1966 res = ValidateVariantType( V_VT(pvargSrc) );
1968 /* If the pointer are to the same variant we don't need
1969 * to do anything.
1971 if( pvargDest != pvargSrc && res == S_OK )
1973 VariantClear( pvargDest ); /* result is not checked */
1975 if( V_VT(pvargSrc) & VT_BYREF )
1977 /* In the case of byreference we only need
1978 * to copy the pointer.
1980 pvargDest->n1.n2.n3 = pvargSrc->n1.n2.n3;
1981 V_VT(pvargDest) = V_VT(pvargSrc);
1983 else
1986 * The VT_ARRAY flag is another way to designate a safe array.
1988 if (V_VT(pvargSrc) & VT_ARRAY)
1990 SafeArrayCopy(V_UNION(pvargSrc,parray), &V_UNION(pvargDest,parray));
1992 else
1994 /* In the case of by value we need to
1995 * copy the actual value. In the case of
1996 * VT_BSTR a copy of the string is made,
1997 * if VT_DISPATCH or VT_IUNKNOWN AddRef is
1998 * called to increment the object's reference count.
2000 switch( V_VT(pvargSrc) & VT_TYPEMASK )
2002 case( VT_BSTR ):
2003 V_UNION(pvargDest,bstrVal) = SYSDUPSTRING( V_UNION(pvargSrc,bstrVal) );
2004 break;
2005 case( VT_DISPATCH ):
2006 V_UNION(pvargDest,pdispVal) = V_UNION(pvargSrc,pdispVal);
2007 if (V_UNION(pvargDest,pdispVal)!=NULL)
2008 IDispatch_AddRef(V_UNION(pvargDest,pdispVal));
2009 break;
2010 case( VT_VARIANT ):
2011 VariantCopy(V_UNION(pvargDest,pvarVal),V_UNION(pvargSrc,pvarVal));
2012 break;
2013 case( VT_UNKNOWN ):
2014 V_UNION(pvargDest,punkVal) = V_UNION(pvargSrc,punkVal);
2015 if (V_UNION(pvargDest,pdispVal)!=NULL)
2016 IUnknown_AddRef(V_UNION(pvargDest,punkVal));
2017 break;
2018 case( VT_SAFEARRAY ):
2019 SafeArrayCopy(V_UNION(pvargSrc,parray), &V_UNION(pvargDest,parray));
2020 break;
2021 default:
2022 pvargDest->n1.n2.n3 = pvargSrc->n1.n2.n3;
2023 break;
2026 V_VT(pvargDest) = V_VT(pvargSrc);
2027 dump_Variant(pvargDest);
2031 return res;
2035 /******************************************************************************
2036 * VariantCopyInd [OLEAUT32.11]
2038 * Frees up the destination variant and makes a copy of the source. If
2039 * the source is of type VT_BYREF it performs the necessary indirections.
2041 HRESULT WINAPI VariantCopyInd(VARIANT* pvargDest, VARIANTARG* pvargSrc)
2043 HRESULT res = S_OK;
2045 TRACE("(%p, %p)\n", pvargDest, pvargSrc);
2047 res = ValidateVariantType( V_VT(pvargSrc) );
2049 if( res != S_OK )
2050 return res;
2052 if( V_VT(pvargSrc) & VT_BYREF )
2054 VARIANTARG varg;
2055 VariantInit( &varg );
2057 /* handle the in place copy.
2059 if( pvargDest == pvargSrc )
2061 /* we will use a copy of the source instead.
2063 res = VariantCopy( &varg, pvargSrc );
2064 pvargSrc = &varg;
2067 if( res == S_OK )
2069 res = VariantClear( pvargDest );
2071 if( res == S_OK )
2074 * The VT_ARRAY flag is another way to designate a safearray variant.
2076 if ( V_VT(pvargSrc) & VT_ARRAY)
2078 SafeArrayCopy(*V_UNION(pvargSrc,pparray), &V_UNION(pvargDest,parray));
2080 else
2082 /* In the case of by reference we need
2083 * to copy the date pointed to by the variant.
2086 /* Get the variant type.
2088 switch( V_VT(pvargSrc) & VT_TYPEMASK )
2090 case( VT_BSTR ):
2091 V_UNION(pvargDest,bstrVal) = SYSDUPSTRING( *(V_UNION(pvargSrc,pbstrVal)) );
2092 break;
2093 case( VT_DISPATCH ):
2094 V_UNION(pvargDest,pdispVal) = *V_UNION(pvargSrc,ppdispVal);
2095 if (V_UNION(pvargDest,pdispVal)!=NULL)
2096 IDispatch_AddRef(V_UNION(pvargDest,pdispVal));
2097 break;
2098 case( VT_VARIANT ):
2100 /* Prevent from cycling. According to tests on
2101 * VariantCopyInd in Windows and the documentation
2102 * this API dereferences the inner Variants to only one depth.
2103 * If the inner Variant itself contains an
2104 * other inner variant the E_INVALIDARG error is
2105 * returned.
2107 if( pvargSrc->n1.n2.wReserved1 & PROCESSING_INNER_VARIANT )
2109 /* If we get here we are attempting to deference
2110 * an inner variant that that is itself contained
2111 * in an inner variant so report E_INVALIDARG error.
2113 res = E_INVALIDARG;
2115 else
2117 /* Set the processing inner variant flag.
2118 * We will set this flag in the inner variant
2119 * that will be passed to the VariantCopyInd function.
2121 (V_UNION(pvargSrc,pvarVal))->n1.n2.wReserved1 |= PROCESSING_INNER_VARIANT;
2123 /* Dereference the inner variant.
2125 res = VariantCopyInd( pvargDest, V_UNION(pvargSrc,pvarVal) );
2126 /* We must also copy its type, I think.
2128 V_VT(pvargSrc) = V_VT(V_UNION(pvargSrc,pvarVal));
2131 break;
2132 case( VT_UNKNOWN ):
2133 V_UNION(pvargDest,punkVal) = *V_UNION(pvargSrc,ppunkVal);
2134 if (V_UNION(pvargDest,pdispVal)!=NULL)
2135 IUnknown_AddRef(V_UNION(pvargDest,punkVal));
2136 break;
2137 case( VT_SAFEARRAY ):
2138 SafeArrayCopy(*V_UNION(pvargSrc,pparray), &V_UNION(pvargDest,parray));
2139 break;
2140 default:
2141 /* This is a by reference Variant which means that the union
2142 * part of the Variant contains a pointer to some data of
2143 * type "V_VT(pvargSrc) & VT_TYPEMASK".
2144 * We will deference this data in a generic fashion using
2145 * the void pointer "Variant.u.byref".
2146 * We will copy this data into the union of the destination
2147 * Variant.
2149 memcpy( &pvargDest->n1.n2.n3, V_UNION(pvargSrc,byref), SizeOfVariantData( pvargSrc ) );
2150 break;
2154 if (res == S_OK) V_VT(pvargDest) = V_VT(pvargSrc) & VT_TYPEMASK;
2158 /* this should not fail.
2160 VariantClear( &varg );
2162 else
2164 res = VariantCopy( pvargDest, pvargSrc );
2167 return res;
2170 /******************************************************************************
2171 * Coerces a full safearray. Not optimal code.
2173 static HRESULT
2174 coerce_array(
2175 VARIANTARG* src, VARIANTARG *dst, LCID lcid, USHORT wFlags, VARTYPE vt
2177 SAFEARRAY *sarr = V_ARRAY(src);
2178 HRESULT hres;
2179 LPVOID data;
2180 VARTYPE vartype;
2182 SafeArrayGetVartype(sarr,&vartype);
2183 switch (vt) {
2184 case VT_BSTR:
2185 if (sarr->cDims != 1) {
2186 FIXME("Can not coerce array with dim %d into BSTR\n", sarr->cDims);
2187 return E_FAIL;
2189 switch (V_VT(src) & VT_TYPEMASK) {
2190 case VT_UI1:
2191 hres = SafeArrayAccessData(sarr, &data);
2192 if (FAILED(hres)) return hres;
2194 /* Yes, just memcpied apparently. */
2195 V_BSTR(dst) = SysAllocStringByteLen(data, sarr->rgsabound[0].cElements);
2196 hres = SafeArrayUnaccessData(sarr);
2197 if (FAILED(hres)) return hres;
2198 break;
2199 default:
2200 FIXME("Cannot coerce array of %d into BSTR yet. Please report!\n", V_VT(src) & VT_TYPEMASK);
2201 return E_FAIL;
2203 break;
2204 case VT_SAFEARRAY:
2205 V_VT(dst) = VT_SAFEARRAY;
2206 return SafeArrayCopy(sarr, &V_ARRAY(dst));
2207 default:
2208 FIXME("Cannot coerce array of vt 0x%x/0x%x into vt 0x%x yet. Please report/implement!\n", vartype, V_VT(src), vt);
2209 return E_FAIL;
2211 return S_OK;
2214 /******************************************************************************
2215 * VariantChangeType [OLEAUT32.12]
2217 HRESULT WINAPI VariantChangeType(VARIANTARG* pvargDest, VARIANTARG* pvargSrc,
2218 USHORT wFlags, VARTYPE vt)
2220 return VariantChangeTypeEx( pvargDest, pvargSrc, 0, wFlags, vt );
2223 /******************************************************************************
2224 * VariantChangeTypeEx [OLEAUT32.147]
2226 HRESULT WINAPI VariantChangeTypeEx(VARIANTARG* pvargDest, VARIANTARG* pvargSrc,
2227 LCID lcid, USHORT wFlags, VARTYPE vt)
2229 HRESULT res = S_OK;
2230 VARIANTARG varg;
2231 VariantInit( &varg );
2233 TRACE("(%p, %p, %ld, %u, %u) vt=%d\n", pvargDest, pvargSrc, lcid, wFlags, vt, V_VT(pvargSrc));
2234 TRACE("Src Var:\n");
2235 dump_Variant(pvargSrc);
2237 /* validate our source argument.
2239 res = ValidateVariantType( V_VT(pvargSrc) );
2241 /* validate the vartype.
2243 if( res == S_OK )
2245 res = ValidateVt( vt );
2248 /* if we are doing an in-place conversion make a copy of the source.
2250 if( res == S_OK && pvargDest == pvargSrc )
2252 res = VariantCopy( &varg, pvargSrc );
2253 pvargSrc = &varg;
2256 if( res == S_OK )
2258 /* free up the destination variant.
2260 res = VariantClear( pvargDest );
2263 if( res == S_OK )
2265 if( V_VT(pvargSrc) & VT_BYREF )
2267 /* Convert the source variant to a "byvalue" variant.
2269 VARIANTARG Variant;
2271 if ((V_VT(pvargSrc) & 0xf000) != VT_BYREF) {
2272 FIXME("VT_TYPEMASK %x is unhandled.\n",V_VT(pvargSrc) & VT_TYPEMASK);
2273 return E_FAIL;
2276 VariantInit( &Variant );
2277 res = VariantCopyInd( &Variant, pvargSrc );
2278 if( res == S_OK )
2280 res = Coerce( pvargDest, lcid, wFlags, &Variant, vt );
2281 /* this should not fail.
2283 VariantClear( &Variant );
2285 } else {
2286 if (V_VT(pvargSrc) & VT_ARRAY) {
2287 if ((V_VT(pvargSrc) & 0xf000) != VT_ARRAY) {
2288 FIXME("VT_TYPEMASK %x is unhandled in VT_ARRAY.\n",V_VT(pvargSrc) & VT_TYPEMASK);
2289 return E_FAIL;
2291 V_VT(pvargDest) = VT_ARRAY | vt;
2292 res = coerce_array(pvargSrc, pvargDest, lcid, wFlags, vt);
2293 } else {
2294 if ((V_VT(pvargSrc) & 0xf000)) {
2295 FIXME("VT_TYPEMASK %x is unhandled in normal case.\n",V_VT(pvargSrc) & VT_TYPEMASK);
2296 return E_FAIL;
2298 /* Use the current "byvalue" source variant.
2300 res = Coerce( pvargDest, lcid, wFlags, pvargSrc, vt );
2304 /* this should not fail.
2306 VariantClear( &varg );
2308 /* set the type of the destination
2310 if ( res == S_OK )
2311 V_VT(pvargDest) = vt;
2313 TRACE("Dest Var:\n");
2314 dump_Variant(pvargDest);
2316 return res;
2322 /******************************************************************************
2323 * VarUI1FromI2 [OLEAUT32.130]
2325 HRESULT WINAPI VarUI1FromI2(short sIn, BYTE* pbOut)
2327 TRACE("( %d, %p ), stub\n", sIn, pbOut );
2329 /* Check range of value.
2331 if( sIn < UI1_MIN || sIn > UI1_MAX )
2333 return DISP_E_OVERFLOW;
2336 *pbOut = (BYTE) sIn;
2338 return S_OK;
2341 /******************************************************************************
2342 * VarUI1FromI4 [OLEAUT32.131]
2344 HRESULT WINAPI VarUI1FromI4(LONG lIn, BYTE* pbOut)
2346 TRACE("( %ld, %p ), stub\n", lIn, pbOut );
2348 /* Check range of value.
2350 if( lIn < UI1_MIN || lIn > UI1_MAX )
2352 return DISP_E_OVERFLOW;
2355 *pbOut = (BYTE) lIn;
2357 return S_OK;
2361 /******************************************************************************
2362 * VarUI1FromR4 [OLEAUT32.132]
2364 HRESULT WINAPI VarUI1FromR4(FLOAT fltIn, BYTE* pbOut)
2366 TRACE("( %f, %p ), stub\n", fltIn, pbOut );
2368 /* Check range of value.
2370 fltIn = round( fltIn );
2371 if( fltIn < UI1_MIN || fltIn > UI1_MAX )
2373 return DISP_E_OVERFLOW;
2376 *pbOut = (BYTE) fltIn;
2378 return S_OK;
2381 /******************************************************************************
2382 * VarUI1FromR8 [OLEAUT32.133]
2384 HRESULT WINAPI VarUI1FromR8(double dblIn, BYTE* pbOut)
2386 TRACE("( %f, %p ), stub\n", dblIn, pbOut );
2388 /* Check range of value.
2390 dblIn = round( dblIn );
2391 if( dblIn < UI1_MIN || dblIn > UI1_MAX )
2393 return DISP_E_OVERFLOW;
2396 *pbOut = (BYTE) dblIn;
2398 return S_OK;
2401 /******************************************************************************
2402 * VarUI1FromDate [OLEAUT32.135]
2404 HRESULT WINAPI VarUI1FromDate(DATE dateIn, BYTE* pbOut)
2406 TRACE("( %f, %p ), stub\n", dateIn, pbOut );
2408 /* Check range of value.
2410 dateIn = round( dateIn );
2411 if( dateIn < UI1_MIN || dateIn > UI1_MAX )
2413 return DISP_E_OVERFLOW;
2416 *pbOut = (BYTE) dateIn;
2418 return S_OK;
2421 /******************************************************************************
2422 * VarUI1FromBool [OLEAUT32.138]
2424 HRESULT WINAPI VarUI1FromBool(VARIANT_BOOL boolIn, BYTE* pbOut)
2426 TRACE("( %d, %p ), stub\n", boolIn, pbOut );
2428 *pbOut = (BYTE) boolIn;
2430 return S_OK;
2433 /******************************************************************************
2434 * VarUI1FromI1 [OLEAUT32.237]
2436 HRESULT WINAPI VarUI1FromI1(CHAR cIn, BYTE* pbOut)
2438 TRACE("( %c, %p ), stub\n", cIn, pbOut );
2440 *pbOut = cIn;
2442 return S_OK;
2445 /******************************************************************************
2446 * VarUI1FromUI2 [OLEAUT32.238]
2448 HRESULT WINAPI VarUI1FromUI2(USHORT uiIn, BYTE* pbOut)
2450 TRACE("( %d, %p ), stub\n", uiIn, pbOut );
2452 /* Check range of value.
2454 if( uiIn > UI1_MAX )
2456 return DISP_E_OVERFLOW;
2459 *pbOut = (BYTE) uiIn;
2461 return S_OK;
2464 /******************************************************************************
2465 * VarUI1FromUI4 [OLEAUT32.239]
2467 HRESULT WINAPI VarUI1FromUI4(ULONG ulIn, BYTE* pbOut)
2469 TRACE("( %ld, %p ), stub\n", ulIn, pbOut );
2471 /* Check range of value.
2473 if( ulIn > UI1_MAX )
2475 return DISP_E_OVERFLOW;
2478 *pbOut = (BYTE) ulIn;
2480 return S_OK;
2484 /******************************************************************************
2485 * VarUI1FromStr [OLEAUT32.136]
2487 HRESULT WINAPI VarUI1FromStr(OLECHAR* strIn, LCID lcid, ULONG dwFlags, BYTE* pbOut)
2489 double dValue = 0.0;
2490 LPSTR pNewString = NULL;
2492 TRACE("( %p, 0x%08lx, 0x%08lx, %p ), stub\n", strIn, lcid, dwFlags, pbOut );
2494 /* Check if we have a valid argument
2496 pNewString = HEAP_strdupWtoA( GetProcessHeap(), 0, strIn );
2497 RemoveCharacterFromString( pNewString, "," );
2498 if( IsValidRealString( pNewString ) == FALSE )
2500 return DISP_E_TYPEMISMATCH;
2503 /* Convert the valid string to a floating point number.
2505 dValue = atof( pNewString );
2507 /* We don't need the string anymore so free it.
2509 HeapFree( GetProcessHeap(), 0 , pNewString );
2511 /* Check range of value.
2513 dValue = round( dValue );
2514 if( dValue < UI1_MIN || dValue > UI1_MAX )
2516 return DISP_E_OVERFLOW;
2519 *pbOut = (BYTE) dValue;
2521 return S_OK;
2524 /**********************************************************************
2525 * VarUI1FromCy [OLEAUT32.134]
2526 * Convert currency to unsigned char
2528 HRESULT WINAPI VarUI1FromCy(CY cyIn, BYTE* pbOut) {
2529 double t = round((((double)cyIn.s.Hi * 4294967296.0) + (double)cyIn.s.Lo) / 10000);
2531 if (t > UI1_MAX || t < UI1_MIN) return DISP_E_OVERFLOW;
2533 *pbOut = (BYTE)t;
2534 return S_OK;
2537 /******************************************************************************
2538 * VarI2FromUI1 [OLEAUT32.48]
2540 HRESULT WINAPI VarI2FromUI1(BYTE bIn, short* psOut)
2542 TRACE("( 0x%08x, %p ), stub\n", bIn, psOut );
2544 *psOut = (short) bIn;
2546 return S_OK;
2549 /******************************************************************************
2550 * VarI2FromI4 [OLEAUT32.49]
2552 HRESULT WINAPI VarI2FromI4(LONG lIn, short* psOut)
2554 TRACE("( %lx, %p ), stub\n", lIn, psOut );
2556 /* Check range of value.
2558 if( lIn < I2_MIN || lIn > I2_MAX )
2560 return DISP_E_OVERFLOW;
2563 *psOut = (short) lIn;
2565 return S_OK;
2568 /******************************************************************************
2569 * VarI2FromR4 [OLEAUT32.50]
2571 HRESULT WINAPI VarI2FromR4(FLOAT fltIn, short* psOut)
2573 TRACE("( %f, %p ), stub\n", fltIn, psOut );
2575 /* Check range of value.
2577 fltIn = round( fltIn );
2578 if( fltIn < I2_MIN || fltIn > I2_MAX )
2580 return DISP_E_OVERFLOW;
2583 *psOut = (short) fltIn;
2585 return S_OK;
2588 /******************************************************************************
2589 * VarI2FromR8 [OLEAUT32.51]
2591 HRESULT WINAPI VarI2FromR8(double dblIn, short* psOut)
2593 TRACE("( %f, %p ), stub\n", dblIn, psOut );
2595 /* Check range of value.
2597 dblIn = round( dblIn );
2598 if( dblIn < I2_MIN || dblIn > I2_MAX )
2600 return DISP_E_OVERFLOW;
2603 *psOut = (short) dblIn;
2605 return S_OK;
2608 /******************************************************************************
2609 * VarI2FromDate [OLEAUT32.53]
2611 HRESULT WINAPI VarI2FromDate(DATE dateIn, short* psOut)
2613 TRACE("( %f, %p ), stub\n", dateIn, psOut );
2615 /* Check range of value.
2617 dateIn = round( dateIn );
2618 if( dateIn < I2_MIN || dateIn > I2_MAX )
2620 return DISP_E_OVERFLOW;
2623 *psOut = (short) dateIn;
2625 return S_OK;
2628 /******************************************************************************
2629 * VarI2FromBool [OLEAUT32.56]
2631 HRESULT WINAPI VarI2FromBool(VARIANT_BOOL boolIn, short* psOut)
2633 TRACE("( %d, %p ), stub\n", boolIn, psOut );
2635 *psOut = (short) boolIn;
2637 return S_OK;
2640 /******************************************************************************
2641 * VarI2FromI1 [OLEAUT32.205]
2643 HRESULT WINAPI VarI2FromI1(CHAR cIn, short* psOut)
2645 TRACE("( %c, %p ), stub\n", cIn, psOut );
2647 *psOut = (short) cIn;
2649 return S_OK;
2652 /******************************************************************************
2653 * VarI2FromUI2 [OLEAUT32.206]
2655 HRESULT WINAPI VarI2FromUI2(USHORT uiIn, short* psOut)
2657 TRACE("( %d, %p ), stub\n", uiIn, psOut );
2659 /* Check range of value.
2661 if( uiIn > I2_MAX )
2663 return DISP_E_OVERFLOW;
2666 *psOut = (short) uiIn;
2668 return S_OK;
2671 /******************************************************************************
2672 * VarI2FromUI4 [OLEAUT32.207]
2674 HRESULT WINAPI VarI2FromUI4(ULONG ulIn, short* psOut)
2676 TRACE("( %lx, %p ), stub\n", ulIn, psOut );
2678 /* Check range of value.
2680 if( ulIn < I2_MIN || ulIn > I2_MAX )
2682 return DISP_E_OVERFLOW;
2685 *psOut = (short) ulIn;
2687 return S_OK;
2690 /******************************************************************************
2691 * VarI2FromStr [OLEAUT32.54]
2693 HRESULT WINAPI VarI2FromStr(OLECHAR* strIn, LCID lcid, ULONG dwFlags, short* psOut)
2695 double dValue = 0.0;
2696 LPSTR pNewString = NULL;
2698 TRACE("( %s, 0x%08lx, 0x%08lx, %p ), stub\n", debugstr_w(strIn), lcid, dwFlags, psOut );
2700 /* Check if we have a valid argument
2702 pNewString = HEAP_strdupWtoA( GetProcessHeap(), 0, strIn );
2703 RemoveCharacterFromString( pNewString, "," );
2704 if( IsValidRealString( pNewString ) == FALSE )
2706 return DISP_E_TYPEMISMATCH;
2709 /* Convert the valid string to a floating point number.
2711 dValue = atof( pNewString );
2713 /* We don't need the string anymore so free it.
2715 HeapFree( GetProcessHeap(), 0, pNewString );
2717 /* Check range of value.
2719 dValue = round( dValue );
2720 if( dValue < I2_MIN || dValue > I2_MAX )
2722 return DISP_E_OVERFLOW;
2725 *psOut = (short) dValue;
2727 return S_OK;
2730 /**********************************************************************
2731 * VarI2FromCy [OLEAUT32.52]
2732 * Convert currency to signed short
2734 HRESULT WINAPI VarI2FromCy(CY cyIn, short* psOut) {
2735 double t = round((((double)cyIn.s.Hi * 4294967296.0) + (double)cyIn.s.Lo) / 10000);
2737 if (t > I2_MAX || t < I2_MIN) return DISP_E_OVERFLOW;
2739 *psOut = (SHORT)t;
2740 return S_OK;
2743 /******************************************************************************
2744 * VarI4FromUI1 [OLEAUT32.58]
2746 HRESULT WINAPI VarI4FromUI1(BYTE bIn, LONG* plOut)
2748 TRACE("( %X, %p ), stub\n", bIn, plOut );
2750 *plOut = (LONG) bIn;
2752 return S_OK;
2756 /******************************************************************************
2757 * VarI4FromR4 [OLEAUT32.60]
2759 HRESULT WINAPI VarI4FromR4(FLOAT fltIn, LONG* plOut)
2761 TRACE("( %f, %p ), stub\n", fltIn, plOut );
2763 /* Check range of value.
2765 fltIn = round( fltIn );
2766 if( fltIn < I4_MIN || fltIn > I4_MAX )
2768 return DISP_E_OVERFLOW;
2771 *plOut = (LONG) fltIn;
2773 return S_OK;
2776 /******************************************************************************
2777 * VarI4FromR8 [OLEAUT32.61]
2779 HRESULT WINAPI VarI4FromR8(double dblIn, LONG* plOut)
2781 TRACE("( %f, %p ), stub\n", dblIn, plOut );
2783 /* Check range of value.
2785 dblIn = round( dblIn );
2786 if( dblIn < I4_MIN || dblIn > I4_MAX )
2788 return DISP_E_OVERFLOW;
2791 *plOut = (LONG) dblIn;
2793 return S_OK;
2796 /******************************************************************************
2797 * VarI4FromDate [OLEAUT32.63]
2799 HRESULT WINAPI VarI4FromDate(DATE dateIn, LONG* plOut)
2801 TRACE("( %f, %p ), stub\n", dateIn, plOut );
2803 /* Check range of value.
2805 dateIn = round( dateIn );
2806 if( dateIn < I4_MIN || dateIn > I4_MAX )
2808 return DISP_E_OVERFLOW;
2811 *plOut = (LONG) dateIn;
2813 return S_OK;
2816 /******************************************************************************
2817 * VarI4FromBool [OLEAUT32.66]
2819 HRESULT WINAPI VarI4FromBool(VARIANT_BOOL boolIn, LONG* plOut)
2821 TRACE("( %d, %p ), stub\n", boolIn, plOut );
2823 *plOut = (LONG) boolIn;
2825 return S_OK;
2828 /******************************************************************************
2829 * VarI4FromI1 [OLEAUT32.209]
2831 HRESULT WINAPI VarI4FromI1(CHAR cIn, LONG* plOut)
2833 TRACE("( %c, %p ), stub\n", cIn, plOut );
2835 *plOut = (LONG) cIn;
2837 return S_OK;
2840 /******************************************************************************
2841 * VarI4FromUI2 [OLEAUT32.210]
2843 HRESULT WINAPI VarI4FromUI2(USHORT uiIn, LONG* plOut)
2845 TRACE("( %d, %p ), stub\n", uiIn, plOut );
2847 *plOut = (LONG) uiIn;
2849 return S_OK;
2852 /******************************************************************************
2853 * VarI4FromUI4 [OLEAUT32.211]
2855 HRESULT WINAPI VarI4FromUI4(ULONG ulIn, LONG* plOut)
2857 TRACE("( %lx, %p ), stub\n", ulIn, plOut );
2859 /* Check range of value.
2861 if( ulIn < I4_MIN || ulIn > I4_MAX )
2863 return DISP_E_OVERFLOW;
2866 *plOut = (LONG) ulIn;
2868 return S_OK;
2871 /******************************************************************************
2872 * VarI4FromI2 [OLEAUT32.59]
2874 HRESULT WINAPI VarI4FromI2(short sIn, LONG* plOut)
2876 TRACE("( %d, %p ), stub\n", sIn, plOut );
2878 *plOut = (LONG) sIn;
2880 return S_OK;
2883 /******************************************************************************
2884 * VarI4FromStr [OLEAUT32.64]
2886 HRESULT WINAPI VarI4FromStr(OLECHAR* strIn, LCID lcid, ULONG dwFlags, LONG* plOut)
2888 double dValue = 0.0;
2889 LPSTR pNewString = NULL;
2891 TRACE("( %p, 0x%08lx, 0x%08lx, %p ), stub\n", strIn, lcid, dwFlags, plOut );
2893 /* Check if we have a valid argument
2895 pNewString = HEAP_strdupWtoA( GetProcessHeap(), 0, strIn );
2896 RemoveCharacterFromString( pNewString, "," );
2897 if( IsValidRealString( pNewString ) == FALSE )
2899 return DISP_E_TYPEMISMATCH;
2902 /* Convert the valid string to a floating point number.
2904 dValue = atof( pNewString );
2906 /* We don't need the string anymore so free it.
2908 HeapFree( GetProcessHeap(), 0, pNewString );
2910 /* Check range of value.
2912 dValue = round( dValue );
2913 if( dValue < I4_MIN || dValue > I4_MAX )
2915 return DISP_E_OVERFLOW;
2918 *plOut = (LONG) dValue;
2920 return S_OK;
2923 /**********************************************************************
2924 * VarI4FromCy [OLEAUT32.62]
2925 * Convert currency to signed long
2927 HRESULT WINAPI VarI4FromCy(CY cyIn, LONG* plOut) {
2928 double t = round((((double)cyIn.s.Hi * 4294967296.0) + (double)cyIn.s.Lo) / 10000);
2930 if (t > I4_MAX || t < I4_MIN) return DISP_E_OVERFLOW;
2932 *plOut = (LONG)t;
2933 return S_OK;
2936 /******************************************************************************
2937 * VarR4FromUI1 [OLEAUT32.68]
2939 HRESULT WINAPI VarR4FromUI1(BYTE bIn, FLOAT* pfltOut)
2941 TRACE("( %X, %p ), stub\n", bIn, pfltOut );
2943 *pfltOut = (FLOAT) bIn;
2945 return S_OK;
2948 /******************************************************************************
2949 * VarR4FromI2 [OLEAUT32.69]
2951 HRESULT WINAPI VarR4FromI2(short sIn, FLOAT* pfltOut)
2953 TRACE("( %d, %p ), stub\n", sIn, pfltOut );
2955 *pfltOut = (FLOAT) sIn;
2957 return S_OK;
2960 /******************************************************************************
2961 * VarR4FromI4 [OLEAUT32.70]
2963 HRESULT WINAPI VarR4FromI4(LONG lIn, FLOAT* pfltOut)
2965 TRACE("( %lx, %p ), stub\n", lIn, pfltOut );
2967 *pfltOut = (FLOAT) lIn;
2969 return S_OK;
2972 /******************************************************************************
2973 * VarR4FromR8 [OLEAUT32.71]
2975 HRESULT WINAPI VarR4FromR8(double dblIn, FLOAT* pfltOut)
2977 TRACE("( %f, %p ), stub\n", dblIn, pfltOut );
2979 /* Check range of value.
2981 if( dblIn < -(FLT_MAX) || dblIn > FLT_MAX )
2983 return DISP_E_OVERFLOW;
2986 *pfltOut = (FLOAT) dblIn;
2988 return S_OK;
2991 /******************************************************************************
2992 * VarR4FromDate [OLEAUT32.73]
2994 HRESULT WINAPI VarR4FromDate(DATE dateIn, FLOAT* pfltOut)
2996 TRACE("( %f, %p ), stub\n", dateIn, pfltOut );
2998 /* Check range of value.
3000 if( dateIn < -(FLT_MAX) || dateIn > FLT_MAX )
3002 return DISP_E_OVERFLOW;
3005 *pfltOut = (FLOAT) dateIn;
3007 return S_OK;
3010 /******************************************************************************
3011 * VarR4FromBool [OLEAUT32.76]
3013 HRESULT WINAPI VarR4FromBool(VARIANT_BOOL boolIn, FLOAT* pfltOut)
3015 TRACE("( %d, %p ), stub\n", boolIn, pfltOut );
3017 *pfltOut = (FLOAT) boolIn;
3019 return S_OK;
3022 /******************************************************************************
3023 * VarR4FromI1 [OLEAUT32.213]
3025 HRESULT WINAPI VarR4FromI1(CHAR cIn, FLOAT* pfltOut)
3027 TRACE("( %c, %p ), stub\n", cIn, pfltOut );
3029 *pfltOut = (FLOAT) cIn;
3031 return S_OK;
3034 /******************************************************************************
3035 * VarR4FromUI2 [OLEAUT32.214]
3037 HRESULT WINAPI VarR4FromUI2(USHORT uiIn, FLOAT* pfltOut)
3039 TRACE("( %d, %p ), stub\n", uiIn, pfltOut );
3041 *pfltOut = (FLOAT) uiIn;
3043 return S_OK;
3046 /******************************************************************************
3047 * VarR4FromUI4 [OLEAUT32.215]
3049 HRESULT WINAPI VarR4FromUI4(ULONG ulIn, FLOAT* pfltOut)
3051 TRACE("( %ld, %p ), stub\n", ulIn, pfltOut );
3053 *pfltOut = (FLOAT) ulIn;
3055 return S_OK;
3058 /******************************************************************************
3059 * VarR4FromStr [OLEAUT32.74]
3061 HRESULT WINAPI VarR4FromStr(OLECHAR* strIn, LCID lcid, ULONG dwFlags, FLOAT* pfltOut)
3063 double dValue = 0.0;
3064 LPSTR pNewString = NULL;
3066 TRACE("( %p, %ld, %ld, %p ), stub\n", strIn, lcid, dwFlags, pfltOut );
3068 /* Check if we have a valid argument
3070 pNewString = HEAP_strdupWtoA( GetProcessHeap(), 0, strIn );
3071 RemoveCharacterFromString( pNewString, "," );
3072 if( IsValidRealString( pNewString ) == FALSE )
3074 return DISP_E_TYPEMISMATCH;
3077 /* Convert the valid string to a floating point number.
3079 dValue = atof( pNewString );
3081 /* We don't need the string anymore so free it.
3083 HeapFree( GetProcessHeap(), 0, pNewString );
3085 /* Check range of value.
3087 if( dValue < -(FLT_MAX) || dValue > FLT_MAX )
3089 return DISP_E_OVERFLOW;
3092 *pfltOut = (FLOAT) dValue;
3094 return S_OK;
3097 /**********************************************************************
3098 * VarR4FromCy [OLEAUT32.72]
3099 * Convert currency to float
3101 HRESULT WINAPI VarR4FromCy(CY cyIn, FLOAT* pfltOut) {
3102 *pfltOut = (FLOAT)((((double)cyIn.s.Hi * 4294967296.0) + (double)cyIn.s.Lo) / 10000);
3104 return S_OK;
3107 /******************************************************************************
3108 * VarR8FromUI1 [OLEAUT32.78]
3110 HRESULT WINAPI VarR8FromUI1(BYTE bIn, double* pdblOut)
3112 TRACE("( %d, %p ), stub\n", bIn, pdblOut );
3114 *pdblOut = (double) bIn;
3116 return S_OK;
3119 /******************************************************************************
3120 * VarR8FromI2 [OLEAUT32.79]
3122 HRESULT WINAPI VarR8FromI2(short sIn, double* pdblOut)
3124 TRACE("( %d, %p ), stub\n", sIn, pdblOut );
3126 *pdblOut = (double) sIn;
3128 return S_OK;
3131 /******************************************************************************
3132 * VarR8FromI4 [OLEAUT32.80]
3134 HRESULT WINAPI VarR8FromI4(LONG lIn, double* pdblOut)
3136 TRACE("( %ld, %p ), stub\n", lIn, pdblOut );
3138 *pdblOut = (double) lIn;
3140 return S_OK;
3143 /******************************************************************************
3144 * VarR8FromR4 [OLEAUT32.81]
3146 HRESULT WINAPI VarR8FromR4(FLOAT fltIn, double* pdblOut)
3148 TRACE("( %f, %p ), stub\n", fltIn, pdblOut );
3150 *pdblOut = (double) fltIn;
3152 return S_OK;
3155 /******************************************************************************
3156 * VarR8FromDate [OLEAUT32.83]
3158 HRESULT WINAPI VarR8FromDate(DATE dateIn, double* pdblOut)
3160 TRACE("( %f, %p ), stub\n", dateIn, pdblOut );
3162 *pdblOut = (double) dateIn;
3164 return S_OK;
3167 /******************************************************************************
3168 * VarR8FromBool [OLEAUT32.86]
3170 HRESULT WINAPI VarR8FromBool(VARIANT_BOOL boolIn, double* pdblOut)
3172 TRACE("( %d, %p ), stub\n", boolIn, pdblOut );
3174 *pdblOut = (double) boolIn;
3176 return S_OK;
3179 /******************************************************************************
3180 * VarR8FromI1 [OLEAUT32.217]
3182 HRESULT WINAPI VarR8FromI1(CHAR cIn, double* pdblOut)
3184 TRACE("( %c, %p ), stub\n", cIn, pdblOut );
3186 *pdblOut = (double) cIn;
3188 return S_OK;
3191 /******************************************************************************
3192 * VarR8FromUI2 [OLEAUT32.218]
3194 HRESULT WINAPI VarR8FromUI2(USHORT uiIn, double* pdblOut)
3196 TRACE("( %d, %p ), stub\n", uiIn, pdblOut );
3198 *pdblOut = (double) uiIn;
3200 return S_OK;
3203 /******************************************************************************
3204 * VarR8FromUI4 [OLEAUT32.219]
3206 HRESULT WINAPI VarR8FromUI4(ULONG ulIn, double* pdblOut)
3208 TRACE("( %ld, %p ), stub\n", ulIn, pdblOut );
3210 *pdblOut = (double) ulIn;
3212 return S_OK;
3215 /******************************************************************************
3216 * VarR8FromStr [OLEAUT32.84]
3218 HRESULT WINAPI VarR8FromStr(OLECHAR* strIn, LCID lcid, ULONG dwFlags, double* pdblOut)
3220 double dValue = 0.0;
3221 LPSTR pNewString = NULL;
3223 pNewString = HEAP_strdupWtoA( GetProcessHeap(), 0, strIn );
3224 TRACE("( %s, %ld, %ld, %p ), stub\n", pNewString, lcid, dwFlags, pdblOut );
3226 /* Check if we have a valid argument
3228 RemoveCharacterFromString( pNewString, "," );
3229 if( IsValidRealString( pNewString ) == FALSE )
3231 return DISP_E_TYPEMISMATCH;
3234 /* Convert the valid string to a floating point number.
3236 dValue = atof( pNewString );
3238 /* We don't need the string anymore so free it.
3240 HeapFree( GetProcessHeap(), 0, pNewString );
3242 *pdblOut = dValue;
3244 return S_OK;
3247 /**********************************************************************
3248 * VarR8FromCy [OLEAUT32.82]
3249 * Convert currency to double
3251 HRESULT WINAPI VarR8FromCy(CY cyIn, double* pdblOut) {
3252 *pdblOut = (double)((((double)cyIn.s.Hi * 4294967296.0) + (double)cyIn.s.Lo) / 10000);
3253 TRACE("%lu %ld -> %f\n", cyIn.s.Hi, cyIn.s.Lo, *pdblOut);
3254 return S_OK;
3257 /******************************************************************************
3258 * VarDateFromUI1 [OLEAUT32.88]
3260 HRESULT WINAPI VarDateFromUI1(BYTE bIn, DATE* pdateOut)
3262 TRACE("( %d, %p ), stub\n", bIn, pdateOut );
3264 *pdateOut = (DATE) bIn;
3266 return S_OK;
3269 /******************************************************************************
3270 * VarDateFromI2 [OLEAUT32.89]
3272 HRESULT WINAPI VarDateFromI2(short sIn, DATE* pdateOut)
3274 TRACE("( %d, %p ), stub\n", sIn, pdateOut );
3276 *pdateOut = (DATE) sIn;
3278 return S_OK;
3281 /******************************************************************************
3282 * VarDateFromI4 [OLEAUT32.90]
3284 HRESULT WINAPI VarDateFromI4(LONG lIn, DATE* pdateOut)
3286 TRACE("( %ld, %p ), stub\n", lIn, pdateOut );
3288 if( lIn < DATE_MIN || lIn > DATE_MAX )
3290 return DISP_E_OVERFLOW;
3293 *pdateOut = (DATE) lIn;
3295 return S_OK;
3298 /******************************************************************************
3299 * VarDateFromR4 [OLEAUT32.91]
3301 HRESULT WINAPI VarDateFromR4(FLOAT fltIn, DATE* pdateOut)
3303 TRACE("( %f, %p ), stub\n", fltIn, pdateOut );
3305 if( ceil(fltIn) < DATE_MIN || floor(fltIn) > DATE_MAX )
3307 return DISP_E_OVERFLOW;
3310 *pdateOut = (DATE) fltIn;
3312 return S_OK;
3315 /******************************************************************************
3316 * VarDateFromR8 [OLEAUT32.92]
3318 HRESULT WINAPI VarDateFromR8(double dblIn, DATE* pdateOut)
3320 TRACE("( %f, %p ), stub\n", dblIn, pdateOut );
3322 if( ceil(dblIn) < DATE_MIN || floor(dblIn) > DATE_MAX )
3324 return DISP_E_OVERFLOW;
3327 *pdateOut = (DATE) dblIn;
3329 return S_OK;
3332 /******************************************************************************
3333 * VarDateFromStr [OLEAUT32.94]
3334 * The string representing the date is composed of two parts, a date and time.
3336 * The format of the time is has follows:
3337 * hh[:mm][:ss][AM|PM]
3338 * Whitespace can be inserted anywhere between these tokens. A whitespace consists
3339 * of space and/or tab characters, which are ignored.
3341 * The formats for the date part are has follows:
3342 * mm/[dd/][yy]yy
3343 * [dd/]mm/[yy]yy
3344 * [yy]yy/mm/dd
3345 * January dd[,] [yy]yy
3346 * dd January [yy]yy
3347 * [yy]yy January dd
3348 * Whitespace can be inserted anywhere between these tokens.
3350 * The formats for the date and time string are has follows.
3351 * date[whitespace][time]
3352 * [time][whitespace]date
3354 * These are the only characters allowed in a string representing a date and time:
3355 * [A-Z] [a-z] [0-9] ':' '-' '/' ',' ' ' '\t'
3357 HRESULT WINAPI VarDateFromStr(OLECHAR* strIn, LCID lcid, ULONG dwFlags, DATE* pdateOut)
3359 HRESULT ret = S_OK;
3360 struct tm TM;
3362 memset( &TM, 0, sizeof(TM) );
3364 TRACE("( %p, %lx, %lx, %p ), stub\n", strIn, lcid, dwFlags, pdateOut );
3366 if( DateTimeStringToTm( strIn, dwFlags, &TM ) )
3368 if( TmToDATE( &TM, pdateOut ) == FALSE )
3370 ret = E_INVALIDARG;
3373 else
3375 ret = DISP_E_TYPEMISMATCH;
3377 TRACE("Return value %f\n", *pdateOut);
3378 return ret;
3381 /******************************************************************************
3382 * VarDateFromI1 [OLEAUT32.221]
3384 HRESULT WINAPI VarDateFromI1(CHAR cIn, DATE* pdateOut)
3386 TRACE("( %c, %p ), stub\n", cIn, pdateOut );
3388 *pdateOut = (DATE) cIn;
3390 return S_OK;
3393 /******************************************************************************
3394 * VarDateFromUI2 [OLEAUT32.222]
3396 HRESULT WINAPI VarDateFromUI2(USHORT uiIn, DATE* pdateOut)
3398 TRACE("( %d, %p ), stub\n", uiIn, pdateOut );
3400 if( uiIn > DATE_MAX )
3402 return DISP_E_OVERFLOW;
3405 *pdateOut = (DATE) uiIn;
3407 return S_OK;
3410 /******************************************************************************
3411 * VarDateFromUI4 [OLEAUT32.223]
3413 HRESULT WINAPI VarDateFromUI4(ULONG ulIn, DATE* pdateOut)
3415 TRACE("( %ld, %p ), stub\n", ulIn, pdateOut );
3417 if( ulIn < DATE_MIN || ulIn > DATE_MAX )
3419 return DISP_E_OVERFLOW;
3422 *pdateOut = (DATE) ulIn;
3424 return S_OK;
3427 /******************************************************************************
3428 * VarDateFromBool [OLEAUT32.96]
3430 HRESULT WINAPI VarDateFromBool(VARIANT_BOOL boolIn, DATE* pdateOut)
3432 TRACE("( %d, %p ), stub\n", boolIn, pdateOut );
3434 *pdateOut = (DATE) boolIn;
3436 return S_OK;
3439 /**********************************************************************
3440 * VarDateFromCy [OLEAUT32.93]
3441 * Convert currency to date
3443 HRESULT WINAPI VarDateFromCy(CY cyIn, DATE* pdateOut) {
3444 *pdateOut = (DATE)((((double)cyIn.s.Hi * 4294967296.0) + (double)cyIn.s.Lo) / 10000);
3446 if (*pdateOut > DATE_MAX || *pdateOut < DATE_MIN) return DISP_E_TYPEMISMATCH;
3447 return S_OK;
3450 /******************************************************************************
3451 * VarBstrFromUI1 [OLEAUT32.108]
3453 HRESULT WINAPI VarBstrFromUI1(BYTE bVal, LCID lcid, ULONG dwFlags, BSTR* pbstrOut)
3455 TRACE("( %d, %ld, %ld, %p ), stub\n", bVal, lcid, dwFlags, pbstrOut );
3456 sprintf( pBuffer, "%d", bVal );
3458 *pbstrOut = StringDupAtoBstr( pBuffer );
3460 return S_OK;
3463 /******************************************************************************
3464 * VarBstrFromI2 [OLEAUT32.109]
3466 HRESULT WINAPI VarBstrFromI2(short iVal, LCID lcid, ULONG dwFlags, BSTR* pbstrOut)
3468 TRACE("( %d, %ld, %ld, %p ), stub\n", iVal, lcid, dwFlags, pbstrOut );
3469 sprintf( pBuffer, "%d", iVal );
3470 *pbstrOut = StringDupAtoBstr( pBuffer );
3472 return S_OK;
3475 /******************************************************************************
3476 * VarBstrFromI4 [OLEAUT32.110]
3478 HRESULT WINAPI VarBstrFromI4(LONG lIn, LCID lcid, ULONG dwFlags, BSTR* pbstrOut)
3480 TRACE("( %ld, %ld, %ld, %p ), stub\n", lIn, lcid, dwFlags, pbstrOut );
3482 sprintf( pBuffer, "%ld", lIn );
3483 *pbstrOut = StringDupAtoBstr( pBuffer );
3485 return S_OK;
3488 /******************************************************************************
3489 * VarBstrFromR4 [OLEAUT32.111]
3491 HRESULT WINAPI VarBstrFromR4(FLOAT fltIn, LCID lcid, ULONG dwFlags, BSTR* pbstrOut)
3493 TRACE("( %f, %ld, %ld, %p ), stub\n", fltIn, lcid, dwFlags, pbstrOut );
3495 sprintf( pBuffer, "%.7G", fltIn );
3496 *pbstrOut = StringDupAtoBstr( pBuffer );
3498 return S_OK;
3501 /******************************************************************************
3502 * VarBstrFromR8 [OLEAUT32.112]
3504 HRESULT WINAPI VarBstrFromR8(double dblIn, LCID lcid, ULONG dwFlags, BSTR* pbstrOut)
3506 TRACE("( %f, %ld, %ld, %p ), stub\n", dblIn, lcid, dwFlags, pbstrOut );
3508 sprintf( pBuffer, "%.15G", dblIn );
3509 *pbstrOut = StringDupAtoBstr( pBuffer );
3511 return S_OK;
3514 /******************************************************************************
3515 * VarBstrFromCy [OLEAUT32.113]
3517 HRESULT WINAPI VarBstrFromCy(CY cyIn, LCID lcid, ULONG dwFlags, BSTR *pbstrOut) {
3518 HRESULT rc = S_OK;
3519 double curVal = 0.0;
3521 TRACE("([cyIn], %08lx, %08lx, %p), partial stub (no flags handled).\n", lcid, dwFlags, pbstrOut);
3523 /* Firstly get the currency in a double, then put it in a buffer */
3524 rc = VarR8FromCy(cyIn, &curVal);
3525 if (rc == S_OK) {
3526 sprintf(pBuffer, "%G", curVal);
3527 *pbstrOut = StringDupAtoBstr( pBuffer );
3529 return rc;
3533 /******************************************************************************
3534 * VarBstrFromDate [OLEAUT32.114]
3536 * The date is implemented using an 8 byte floating-point number.
3537 * Days are represented by whole numbers increments starting with 0.00 as
3538 * being December 30 1899, midnight.
3539 * The hours are expressed as the fractional part of the number.
3540 * December 30 1899 at midnight = 0.00
3541 * January 1 1900 at midnight = 2.00
3542 * January 4 1900 at 6 AM = 5.25
3543 * January 4 1900 at noon = 5.50
3544 * December 29 1899 at midnight = -1.00
3545 * December 18 1899 at midnight = -12.00
3546 * December 18 1899 at 6AM = -12.25
3547 * December 18 1899 at 6PM = -12.75
3548 * December 19 1899 at midnight = -11.00
3549 * The tm structure is as follows:
3550 * struct tm {
3551 * int tm_sec; seconds after the minute - [0,59]
3552 * int tm_min; minutes after the hour - [0,59]
3553 * int tm_hour; hours since midnight - [0,23]
3554 * int tm_mday; day of the month - [1,31]
3555 * int tm_mon; months since January - [0,11]
3556 * int tm_year; years
3557 * int tm_wday; days since Sunday - [0,6]
3558 * int tm_yday; days since January 1 - [0,365]
3559 * int tm_isdst; daylight savings time flag
3560 * };
3562 HRESULT WINAPI VarBstrFromDate(DATE dateIn, LCID lcid, ULONG dwFlags, BSTR* pbstrOut)
3564 struct tm TM;
3565 memset( &TM, 0, sizeof(TM) );
3567 TRACE("( %20.20f, %ld, %ld, %p ), stub\n", dateIn, lcid, dwFlags, pbstrOut );
3569 if( DateToTm( dateIn, dwFlags, &TM ) == FALSE )
3571 return E_INVALIDARG;
3574 if( dwFlags & VAR_DATEVALUEONLY )
3575 strftime( pBuffer, BUFFER_MAX, "%x", &TM );
3576 else if( dwFlags & VAR_TIMEVALUEONLY )
3577 strftime( pBuffer, BUFFER_MAX, "%X", &TM );
3578 else
3579 strftime( pBuffer, BUFFER_MAX, "%x %X", &TM );
3581 TRACE("result: %s\n", pBuffer);
3582 *pbstrOut = StringDupAtoBstr( pBuffer );
3583 return S_OK;
3586 /******************************************************************************
3587 * VarBstrFromBool [OLEAUT32.116]
3589 HRESULT WINAPI VarBstrFromBool(VARIANT_BOOL boolIn, LCID lcid, ULONG dwFlags, BSTR* pbstrOut)
3591 TRACE("( %d, %ld, %ld, %p ), stub\n", boolIn, lcid, dwFlags, pbstrOut );
3593 sprintf( pBuffer, (boolIn == VARIANT_FALSE) ? "False" : "True" );
3595 *pbstrOut = StringDupAtoBstr( pBuffer );
3597 return S_OK;
3600 /******************************************************************************
3601 * VarBstrFromI1 [OLEAUT32.229]
3603 HRESULT WINAPI VarBstrFromI1(CHAR cIn, LCID lcid, ULONG dwFlags, BSTR* pbstrOut)
3605 TRACE("( %c, %ld, %ld, %p ), stub\n", cIn, lcid, dwFlags, pbstrOut );
3606 sprintf( pBuffer, "%d", cIn );
3607 *pbstrOut = StringDupAtoBstr( pBuffer );
3609 return S_OK;
3612 /******************************************************************************
3613 * VarBstrFromUI2 [OLEAUT32.230]
3615 HRESULT WINAPI VarBstrFromUI2(USHORT uiIn, LCID lcid, ULONG dwFlags, BSTR* pbstrOut)
3617 TRACE("( %d, %ld, %ld, %p ), stub\n", uiIn, lcid, dwFlags, pbstrOut );
3618 sprintf( pBuffer, "%d", uiIn );
3619 *pbstrOut = StringDupAtoBstr( pBuffer );
3621 return S_OK;
3624 /******************************************************************************
3625 * VarBstrFromUI4 [OLEAUT32.231]
3627 HRESULT WINAPI VarBstrFromUI4(ULONG ulIn, LCID lcid, ULONG dwFlags, BSTR* pbstrOut)
3629 TRACE("( %ld, %ld, %ld, %p ), stub\n", ulIn, lcid, dwFlags, pbstrOut );
3630 sprintf( pBuffer, "%ld", ulIn );
3631 *pbstrOut = StringDupAtoBstr( pBuffer );
3633 return S_OK;
3636 /******************************************************************************
3637 * VarBoolFromUI1 [OLEAUT32.118]
3639 HRESULT WINAPI VarBoolFromUI1(BYTE bIn, VARIANT_BOOL* pboolOut)
3641 TRACE("( %d, %p ), stub\n", bIn, pboolOut );
3643 if( bIn == 0 )
3645 *pboolOut = VARIANT_FALSE;
3647 else
3649 *pboolOut = VARIANT_TRUE;
3652 return S_OK;
3655 /******************************************************************************
3656 * VarBoolFromI2 [OLEAUT32.119]
3658 HRESULT WINAPI VarBoolFromI2(short sIn, VARIANT_BOOL* pboolOut)
3660 TRACE("( %d, %p ), stub\n", sIn, pboolOut );
3662 *pboolOut = (sIn) ? VARIANT_TRUE : VARIANT_FALSE;
3664 return S_OK;
3667 /******************************************************************************
3668 * VarBoolFromI4 [OLEAUT32.120]
3670 HRESULT WINAPI VarBoolFromI4(LONG lIn, VARIANT_BOOL* pboolOut)
3672 TRACE("( %ld, %p ), stub\n", lIn, pboolOut );
3674 *pboolOut = (lIn) ? VARIANT_TRUE : VARIANT_FALSE;
3676 return S_OK;
3679 /******************************************************************************
3680 * VarBoolFromR4 [OLEAUT32.121]
3682 HRESULT WINAPI VarBoolFromR4(FLOAT fltIn, VARIANT_BOOL* pboolOut)
3684 TRACE("( %f, %p ), stub\n", fltIn, pboolOut );
3686 *pboolOut = (fltIn == 0.0) ? VARIANT_FALSE : VARIANT_TRUE;
3688 return S_OK;
3691 /******************************************************************************
3692 * VarBoolFromR8 [OLEAUT32.122]
3694 HRESULT WINAPI VarBoolFromR8(double dblIn, VARIANT_BOOL* pboolOut)
3696 TRACE("( %f, %p ), stub\n", dblIn, pboolOut );
3698 *pboolOut = (dblIn == 0.0) ? VARIANT_FALSE : VARIANT_TRUE;
3700 return S_OK;
3703 /******************************************************************************
3704 * VarBoolFromDate [OLEAUT32.123]
3706 HRESULT WINAPI VarBoolFromDate(DATE dateIn, VARIANT_BOOL* pboolOut)
3708 TRACE("( %f, %p ), stub\n", dateIn, pboolOut );
3710 *pboolOut = (dateIn == 0.0) ? VARIANT_FALSE : VARIANT_TRUE;
3712 return S_OK;
3715 /******************************************************************************
3716 * VarBoolFromStr [OLEAUT32.125]
3718 HRESULT WINAPI VarBoolFromStr(OLECHAR* strIn, LCID lcid, ULONG dwFlags, VARIANT_BOOL* pboolOut)
3720 HRESULT ret = S_OK;
3721 char* pNewString = NULL;
3723 TRACE("( %p, %ld, %ld, %p ), stub\n", strIn, lcid, dwFlags, pboolOut );
3725 pNewString = HEAP_strdupWtoA( GetProcessHeap(), 0, strIn );
3727 if( pNewString == NULL || strlen( pNewString ) == 0 )
3729 ret = DISP_E_TYPEMISMATCH;
3732 if( ret == S_OK )
3734 if( strncasecmp( pNewString, "True", strlen( pNewString ) ) == 0 )
3736 *pboolOut = VARIANT_TRUE;
3738 else if( strncasecmp( pNewString, "False", strlen( pNewString ) ) == 0 )
3740 *pboolOut = VARIANT_FALSE;
3742 else
3744 /* Try converting the string to a floating point number.
3746 double dValue = 0.0;
3747 HRESULT res = VarR8FromStr( strIn, lcid, dwFlags, &dValue );
3748 if( res != S_OK )
3750 ret = DISP_E_TYPEMISMATCH;
3752 else
3753 *pboolOut = (dValue == 0.0) ?
3754 VARIANT_FALSE : VARIANT_TRUE;
3758 HeapFree( GetProcessHeap(), 0, pNewString );
3760 return ret;
3763 /******************************************************************************
3764 * VarBoolFromI1 [OLEAUT32.233]
3766 HRESULT WINAPI VarBoolFromI1(CHAR cIn, VARIANT_BOOL* pboolOut)
3768 TRACE("( %c, %p ), stub\n", cIn, pboolOut );
3770 *pboolOut = (cIn == 0) ? VARIANT_FALSE : VARIANT_TRUE;
3772 return S_OK;
3775 /******************************************************************************
3776 * VarBoolFromUI2 [OLEAUT32.234]
3778 HRESULT WINAPI VarBoolFromUI2(USHORT uiIn, VARIANT_BOOL* pboolOut)
3780 TRACE("( %d, %p ), stub\n", uiIn, pboolOut );
3782 *pboolOut = (uiIn == 0) ? VARIANT_FALSE : VARIANT_TRUE;
3784 return S_OK;
3787 /******************************************************************************
3788 * VarBoolFromUI4 [OLEAUT32.235]
3790 HRESULT WINAPI VarBoolFromUI4(ULONG ulIn, VARIANT_BOOL* pboolOut)
3792 TRACE("( %ld, %p ), stub\n", ulIn, pboolOut );
3794 *pboolOut = (ulIn == 0) ? VARIANT_FALSE : VARIANT_TRUE;
3796 return S_OK;
3799 /**********************************************************************
3800 * VarBoolFromCy [OLEAUT32.124]
3801 * Convert currency to boolean
3803 HRESULT WINAPI VarBoolFromCy(CY cyIn, VARIANT_BOOL* pboolOut) {
3804 if (cyIn.s.Hi || cyIn.s.Lo) *pboolOut = -1;
3805 else *pboolOut = 0;
3807 return S_OK;
3810 /******************************************************************************
3811 * VarI1FromUI1 [OLEAUT32.244]
3813 HRESULT WINAPI VarI1FromUI1(BYTE bIn, CHAR* pcOut)
3815 TRACE("( %d, %p ), stub\n", bIn, pcOut );
3817 /* Check range of value.
3819 if( bIn > CHAR_MAX )
3821 return DISP_E_OVERFLOW;
3824 *pcOut = (CHAR) bIn;
3826 return S_OK;
3829 /******************************************************************************
3830 * VarI1FromI2 [OLEAUT32.245]
3832 HRESULT WINAPI VarI1FromI2(short uiIn, CHAR* pcOut)
3834 TRACE("( %d, %p ), stub\n", uiIn, pcOut );
3836 if( uiIn > CHAR_MAX )
3838 return DISP_E_OVERFLOW;
3841 *pcOut = (CHAR) uiIn;
3843 return S_OK;
3846 /******************************************************************************
3847 * VarI1FromI4 [OLEAUT32.246]
3849 HRESULT WINAPI VarI1FromI4(LONG lIn, CHAR* pcOut)
3851 TRACE("( %ld, %p ), stub\n", lIn, pcOut );
3853 if( lIn < CHAR_MIN || lIn > CHAR_MAX )
3855 return DISP_E_OVERFLOW;
3858 *pcOut = (CHAR) lIn;
3860 return S_OK;
3863 /******************************************************************************
3864 * VarI1FromR4 [OLEAUT32.247]
3866 HRESULT WINAPI VarI1FromR4(FLOAT fltIn, CHAR* pcOut)
3868 TRACE("( %f, %p ), stub\n", fltIn, pcOut );
3870 fltIn = round( fltIn );
3871 if( fltIn < CHAR_MIN || fltIn > CHAR_MAX )
3873 return DISP_E_OVERFLOW;
3876 *pcOut = (CHAR) fltIn;
3878 return S_OK;
3881 /******************************************************************************
3882 * VarI1FromR8 [OLEAUT32.248]
3884 HRESULT WINAPI VarI1FromR8(double dblIn, CHAR* pcOut)
3886 TRACE("( %f, %p ), stub\n", dblIn, pcOut );
3888 dblIn = round( dblIn );
3889 if( dblIn < CHAR_MIN || dblIn > CHAR_MAX )
3891 return DISP_E_OVERFLOW;
3894 *pcOut = (CHAR) dblIn;
3896 return S_OK;
3899 /******************************************************************************
3900 * VarI1FromDate [OLEAUT32.249]
3902 HRESULT WINAPI VarI1FromDate(DATE dateIn, CHAR* pcOut)
3904 TRACE("( %f, %p ), stub\n", dateIn, pcOut );
3906 dateIn = round( dateIn );
3907 if( dateIn < CHAR_MIN || dateIn > CHAR_MAX )
3909 return DISP_E_OVERFLOW;
3912 *pcOut = (CHAR) dateIn;
3914 return S_OK;
3917 /******************************************************************************
3918 * VarI1FromStr [OLEAUT32.251]
3920 HRESULT WINAPI VarI1FromStr(OLECHAR* strIn, LCID lcid, ULONG dwFlags, CHAR* pcOut)
3922 double dValue = 0.0;
3923 LPSTR pNewString = NULL;
3925 TRACE("( %p, %ld, %ld, %p ), stub\n", strIn, lcid, dwFlags, pcOut );
3927 /* Check if we have a valid argument
3929 pNewString = HEAP_strdupWtoA( GetProcessHeap(), 0, strIn );
3930 RemoveCharacterFromString( pNewString, "," );
3931 if( IsValidRealString( pNewString ) == FALSE )
3933 return DISP_E_TYPEMISMATCH;
3936 /* Convert the valid string to a floating point number.
3938 dValue = atof( pNewString );
3940 /* We don't need the string anymore so free it.
3942 HeapFree( GetProcessHeap(), 0, pNewString );
3944 /* Check range of value.
3946 dValue = round( dValue );
3947 if( dValue < CHAR_MIN || dValue > CHAR_MAX )
3949 return DISP_E_OVERFLOW;
3952 *pcOut = (CHAR) dValue;
3954 return S_OK;
3957 /******************************************************************************
3958 * VarI1FromBool [OLEAUT32.253]
3960 HRESULT WINAPI VarI1FromBool(VARIANT_BOOL boolIn, CHAR* pcOut)
3962 TRACE("( %d, %p ), stub\n", boolIn, pcOut );
3964 *pcOut = (CHAR) boolIn;
3966 return S_OK;
3969 /******************************************************************************
3970 * VarI1FromUI2 [OLEAUT32.254]
3972 HRESULT WINAPI VarI1FromUI2(USHORT uiIn, CHAR* pcOut)
3974 TRACE("( %d, %p ), stub\n", uiIn, pcOut );
3976 if( uiIn > CHAR_MAX )
3978 return DISP_E_OVERFLOW;
3981 *pcOut = (CHAR) uiIn;
3983 return S_OK;
3986 /******************************************************************************
3987 * VarI1FromUI4 [OLEAUT32.255]
3989 HRESULT WINAPI VarI1FromUI4(ULONG ulIn, CHAR* pcOut)
3991 TRACE("( %ld, %p ), stub\n", ulIn, pcOut );
3993 if( ulIn > CHAR_MAX )
3995 return DISP_E_OVERFLOW;
3998 *pcOut = (CHAR) ulIn;
4000 return S_OK;
4003 /**********************************************************************
4004 * VarI1FromCy [OLEAUT32.250]
4005 * Convert currency to signed char
4007 HRESULT WINAPI VarI1FromCy(CY cyIn, CHAR* pcOut) {
4008 double t = round((((double)cyIn.s.Hi * 4294967296.0) + (double)cyIn.s.Lo) / 10000);
4010 if (t > CHAR_MAX || t < CHAR_MIN) return DISP_E_OVERFLOW;
4012 *pcOut = (CHAR)t;
4013 return S_OK;
4016 /******************************************************************************
4017 * VarUI2FromUI1 [OLEAUT32.257]
4019 HRESULT WINAPI VarUI2FromUI1(BYTE bIn, USHORT* puiOut)
4021 TRACE("( %d, %p ), stub\n", bIn, puiOut );
4023 *puiOut = (USHORT) bIn;
4025 return S_OK;
4028 /******************************************************************************
4029 * VarUI2FromI2 [OLEAUT32.258]
4031 HRESULT WINAPI VarUI2FromI2(short uiIn, USHORT* puiOut)
4033 TRACE("( %d, %p ), stub\n", uiIn, puiOut );
4035 if( uiIn < UI2_MIN )
4037 return DISP_E_OVERFLOW;
4040 *puiOut = (USHORT) uiIn;
4042 return S_OK;
4045 /******************************************************************************
4046 * VarUI2FromI4 [OLEAUT32.259]
4048 HRESULT WINAPI VarUI2FromI4(LONG lIn, USHORT* puiOut)
4050 TRACE("( %ld, %p ), stub\n", lIn, puiOut );
4052 if( lIn < UI2_MIN || lIn > UI2_MAX )
4054 return DISP_E_OVERFLOW;
4057 *puiOut = (USHORT) lIn;
4059 return S_OK;
4062 /******************************************************************************
4063 * VarUI2FromR4 [OLEAUT32.260]
4065 HRESULT WINAPI VarUI2FromR4(FLOAT fltIn, USHORT* puiOut)
4067 TRACE("( %f, %p ), stub\n", fltIn, puiOut );
4069 fltIn = round( fltIn );
4070 if( fltIn < UI2_MIN || fltIn > UI2_MAX )
4072 return DISP_E_OVERFLOW;
4075 *puiOut = (USHORT) fltIn;
4077 return S_OK;
4080 /******************************************************************************
4081 * VarUI2FromR8 [OLEAUT32.261]
4083 HRESULT WINAPI VarUI2FromR8(double dblIn, USHORT* puiOut)
4085 TRACE("( %f, %p ), stub\n", dblIn, puiOut );
4087 dblIn = round( dblIn );
4088 if( dblIn < UI2_MIN || dblIn > UI2_MAX )
4090 return DISP_E_OVERFLOW;
4093 *puiOut = (USHORT) dblIn;
4095 return S_OK;
4098 /******************************************************************************
4099 * VarUI2FromDate [OLEAUT32.262]
4101 HRESULT WINAPI VarUI2FromDate(DATE dateIn, USHORT* puiOut)
4103 TRACE("( %f, %p ), stub\n", dateIn, puiOut );
4105 dateIn = round( dateIn );
4106 if( dateIn < UI2_MIN || dateIn > UI2_MAX )
4108 return DISP_E_OVERFLOW;
4111 *puiOut = (USHORT) dateIn;
4113 return S_OK;
4116 /******************************************************************************
4117 * VarUI2FromStr [OLEAUT32.264]
4119 HRESULT WINAPI VarUI2FromStr(OLECHAR* strIn, LCID lcid, ULONG dwFlags, USHORT* puiOut)
4121 double dValue = 0.0;
4122 LPSTR pNewString = NULL;
4124 TRACE("( %p, %ld, %ld, %p ), stub\n", strIn, lcid, dwFlags, puiOut );
4126 /* Check if we have a valid argument
4128 pNewString = HEAP_strdupWtoA( GetProcessHeap(), 0, strIn );
4129 RemoveCharacterFromString( pNewString, "," );
4130 if( IsValidRealString( pNewString ) == FALSE )
4132 return DISP_E_TYPEMISMATCH;
4135 /* Convert the valid string to a floating point number.
4137 dValue = atof( pNewString );
4139 /* We don't need the string anymore so free it.
4141 HeapFree( GetProcessHeap(), 0, pNewString );
4143 /* Check range of value.
4145 dValue = round( dValue );
4146 if( dValue < UI2_MIN || dValue > UI2_MAX )
4148 return DISP_E_OVERFLOW;
4151 *puiOut = (USHORT) dValue;
4153 return S_OK;
4156 /******************************************************************************
4157 * VarUI2FromBool [OLEAUT32.266]
4159 HRESULT WINAPI VarUI2FromBool(VARIANT_BOOL boolIn, USHORT* puiOut)
4161 TRACE("( %d, %p ), stub\n", boolIn, puiOut );
4163 *puiOut = (USHORT) boolIn;
4165 return S_OK;
4168 /******************************************************************************
4169 * VarUI2FromI1 [OLEAUT32.267]
4171 HRESULT WINAPI VarUI2FromI1(CHAR cIn, USHORT* puiOut)
4173 TRACE("( %c, %p ), stub\n", cIn, puiOut );
4175 *puiOut = (USHORT) cIn;
4177 return S_OK;
4180 /******************************************************************************
4181 * VarUI2FromUI4 [OLEAUT32.268]
4183 HRESULT WINAPI VarUI2FromUI4(ULONG ulIn, USHORT* puiOut)
4185 TRACE("( %ld, %p ), stub\n", ulIn, puiOut );
4187 if( ulIn > UI2_MAX )
4189 return DISP_E_OVERFLOW;
4192 *puiOut = (USHORT) ulIn;
4194 return S_OK;
4197 /******************************************************************************
4198 * VarUI4FromStr [OLEAUT32.277]
4200 HRESULT WINAPI VarUI4FromStr(OLECHAR* strIn, LCID lcid, ULONG dwFlags, ULONG* pulOut)
4202 double dValue = 0.0;
4203 LPSTR pNewString = NULL;
4205 TRACE("( %p, %ld, %ld, %p ), stub\n", strIn, lcid, dwFlags, pulOut );
4207 /* Check if we have a valid argument
4209 pNewString = HEAP_strdupWtoA( GetProcessHeap(), 0, strIn );
4210 RemoveCharacterFromString( pNewString, "," );
4211 if( IsValidRealString( pNewString ) == FALSE )
4213 return DISP_E_TYPEMISMATCH;
4216 /* Convert the valid string to a floating point number.
4218 dValue = atof( pNewString );
4220 /* We don't need the string anymore so free it.
4222 HeapFree( GetProcessHeap(), 0, pNewString );
4224 /* Check range of value.
4226 dValue = round( dValue );
4227 if( dValue < UI4_MIN || dValue > UI4_MAX )
4229 return DISP_E_OVERFLOW;
4232 *pulOut = (ULONG) dValue;
4234 return S_OK;
4237 /**********************************************************************
4238 * VarUI2FromCy [OLEAUT32.263]
4239 * Convert currency to unsigned short
4241 HRESULT WINAPI VarUI2FromCy(CY cyIn, USHORT* pusOut) {
4242 double t = round((((double)cyIn.s.Hi * 4294967296.0) + (double)cyIn.s.Lo) / 10000);
4244 if (t > UI2_MAX || t < UI2_MIN) return DISP_E_OVERFLOW;
4246 *pusOut = (USHORT)t;
4248 return S_OK;
4251 /******************************************************************************
4252 * VarUI4FromUI1 [OLEAUT32.270]
4254 HRESULT WINAPI VarUI4FromUI1(BYTE bIn, ULONG* pulOut)
4256 TRACE("( %d, %p ), stub\n", bIn, pulOut );
4258 *pulOut = (USHORT) bIn;
4260 return S_OK;
4263 /******************************************************************************
4264 * VarUI4FromI2 [OLEAUT32.271]
4266 HRESULT WINAPI VarUI4FromI2(short uiIn, ULONG* pulOut)
4268 TRACE("( %d, %p ), stub\n", uiIn, pulOut );
4270 if( uiIn < UI4_MIN )
4272 return DISP_E_OVERFLOW;
4275 *pulOut = (ULONG) uiIn;
4277 return S_OK;
4280 /******************************************************************************
4281 * VarUI4FromI4 [OLEAUT32.272]
4283 HRESULT WINAPI VarUI4FromI4(LONG lIn, ULONG* pulOut)
4285 TRACE("( %ld, %p ), stub\n", lIn, pulOut );
4287 if( lIn < 0 )
4289 return DISP_E_OVERFLOW;
4292 *pulOut = (ULONG) lIn;
4294 return S_OK;
4297 /******************************************************************************
4298 * VarUI4FromR4 [OLEAUT32.273]
4300 HRESULT WINAPI VarUI4FromR4(FLOAT fltIn, ULONG* pulOut)
4302 fltIn = round( fltIn );
4303 if( fltIn < UI4_MIN || fltIn > UI4_MAX )
4305 return DISP_E_OVERFLOW;
4308 *pulOut = (ULONG) fltIn;
4310 return S_OK;
4313 /******************************************************************************
4314 * VarUI4FromR8 [OLEAUT32.274]
4316 HRESULT WINAPI VarUI4FromR8(double dblIn, ULONG* pulOut)
4318 TRACE("( %f, %p ), stub\n", dblIn, pulOut );
4320 dblIn = round( dblIn );
4321 if( dblIn < UI4_MIN || dblIn > UI4_MAX )
4323 return DISP_E_OVERFLOW;
4326 *pulOut = (ULONG) dblIn;
4328 return S_OK;
4331 /******************************************************************************
4332 * VarUI4FromDate [OLEAUT32.275]
4334 HRESULT WINAPI VarUI4FromDate(DATE dateIn, ULONG* pulOut)
4336 TRACE("( %f, %p ), stub\n", dateIn, pulOut );
4338 dateIn = round( dateIn );
4339 if( dateIn < UI4_MIN || dateIn > UI4_MAX )
4341 return DISP_E_OVERFLOW;
4344 *pulOut = (ULONG) dateIn;
4346 return S_OK;
4349 /******************************************************************************
4350 * VarUI4FromBool [OLEAUT32.279]
4352 HRESULT WINAPI VarUI4FromBool(VARIANT_BOOL boolIn, ULONG* pulOut)
4354 TRACE("( %d, %p ), stub\n", boolIn, pulOut );
4356 *pulOut = (ULONG) boolIn;
4358 return S_OK;
4361 /******************************************************************************
4362 * VarUI4FromI1 [OLEAUT32.280]
4364 HRESULT WINAPI VarUI4FromI1(CHAR cIn, ULONG* pulOut)
4366 TRACE("( %c, %p ), stub\n", cIn, pulOut );
4368 *pulOut = (ULONG) cIn;
4370 return S_OK;
4373 /******************************************************************************
4374 * VarUI4FromUI2 [OLEAUT32.281]
4376 HRESULT WINAPI VarUI4FromUI2(USHORT uiIn, ULONG* pulOut)
4378 TRACE("( %d, %p ), stub\n", uiIn, pulOut );
4380 *pulOut = (ULONG) uiIn;
4382 return S_OK;
4385 /**********************************************************************
4386 * VarUI4FromCy [OLEAUT32.276]
4387 * Convert currency to unsigned long
4389 HRESULT WINAPI VarUI4FromCy(CY cyIn, ULONG* pulOut) {
4390 double t = round((((double)cyIn.s.Hi * 4294967296.0) + (double)cyIn.s.Lo) / 10000);
4392 if (t > UI4_MAX || t < UI4_MIN) return DISP_E_OVERFLOW;
4394 *pulOut = (ULONG)t;
4396 return S_OK;
4399 /**********************************************************************
4400 * VarCyFromUI1 [OLEAUT32.98]
4401 * Convert unsigned char to currency
4403 HRESULT WINAPI VarCyFromUI1(BYTE bIn, CY* pcyOut) {
4404 pcyOut->s.Hi = 0;
4405 pcyOut->s.Lo = ((ULONG)bIn) * 10000;
4407 return S_OK;
4410 /**********************************************************************
4411 * VarCyFromI2 [OLEAUT32.99]
4412 * Convert signed short to currency
4414 HRESULT WINAPI VarCyFromI2(short sIn, CY* pcyOut) {
4415 if (sIn < 0) pcyOut->s.Hi = -1;
4416 else pcyOut->s.Hi = 0;
4417 pcyOut->s.Lo = ((ULONG)sIn) * 10000;
4419 return S_OK;
4422 /**********************************************************************
4423 * VarCyFromI4 [OLEAUT32.100]
4424 * Convert signed long to currency
4426 HRESULT WINAPI VarCyFromI4(LONG lIn, CY* pcyOut) {
4427 double t = (double)lIn * (double)10000;
4428 pcyOut->s.Hi = (LONG)(t / (double)4294967296.0);
4429 pcyOut->s.Lo = (ULONG)fmod(t, (double)4294967296.0);
4430 if (lIn < 0) pcyOut->s.Hi--;
4432 return S_OK;
4435 /**********************************************************************
4436 * VarCyFromR4 [OLEAUT32.101]
4437 * Convert float to currency
4439 HRESULT WINAPI VarCyFromR4(FLOAT fltIn, CY* pcyOut) {
4440 double t = round((double)fltIn * (double)10000);
4441 pcyOut->s.Hi = (LONG)(t / (double)4294967296.0);
4442 pcyOut->s.Lo = (ULONG)fmod(t, (double)4294967296.0);
4443 if (fltIn < 0) pcyOut->s.Hi--;
4445 return S_OK;
4448 /**********************************************************************
4449 * VarCyFromR8 [OLEAUT32.102]
4450 * Convert double to currency
4452 HRESULT WINAPI VarCyFromR8(double dblIn, CY* pcyOut) {
4453 double t = round(dblIn * (double)10000);
4454 pcyOut->s.Hi = (LONG)(t / (double)4294967296.0);
4455 pcyOut->s.Lo = (ULONG)fmod(t, (double)4294967296.0);
4456 if (dblIn < 0) pcyOut->s.Hi--;
4458 return S_OK;
4461 /**********************************************************************
4462 * VarCyFromDate [OLEAUT32.103]
4463 * Convert date to currency
4465 HRESULT WINAPI VarCyFromDate(DATE dateIn, CY* pcyOut) {
4466 double t = round((double)dateIn * (double)10000);
4467 pcyOut->s.Hi = (LONG)(t / (double)4294967296.0);
4468 pcyOut->s.Lo = (ULONG)fmod(t, (double)4294967296.0);
4469 if (dateIn < 0) pcyOut->s.Hi--;
4471 return S_OK;
4474 /**********************************************************************
4475 * VarCyFromStr [OLEAUT32.104]
4476 * FIXME: Never tested with decimal seperator other than '.'
4478 HRESULT WINAPI VarCyFromStr(OLECHAR *strIn, LCID lcid, ULONG dwFlags, CY *pcyOut) {
4480 LPSTR pNewString = NULL;
4481 char *decSep = NULL;
4482 char *strPtr,*curPtr = NULL;
4483 int size, rc;
4484 double currencyVal = 0.0;
4487 pNewString = HEAP_strdupWtoA( GetProcessHeap(), 0, strIn );
4488 TRACE("( '%s', 0x%08lx, 0x%08lx, %p )\n", pNewString, lcid, dwFlags, pcyOut );
4490 /* Get locale information - Decimal Seperator (size includes 0x00) */
4491 size = GetLocaleInfoA(lcid, LOCALE_SDECIMAL, NULL, 0);
4492 decSep = (char *) malloc(size);
4493 rc = GetLocaleInfoA(lcid, LOCALE_SDECIMAL, decSep, size);
4494 TRACE("Decimal Seperator is '%s'\n", decSep);
4496 /* Now copy to temporary buffer, skipping any character except 0-9 and
4497 the decimal seperator */
4498 curPtr = pBuffer; /* Current position in string being built */
4499 strPtr = pNewString; /* Current position in supplied currenct string */
4501 while (*strPtr) {
4502 /* If decimal seperator, skip it and put '.' in string */
4503 if (strncmp(strPtr, decSep, (size-1)) == 0) {
4504 strPtr = strPtr + (size-1);
4505 *curPtr = '.';
4506 curPtr++;
4507 } else if ((*strPtr == '+' || *strPtr == '-') ||
4508 (*strPtr >= '0' && *strPtr <= '9')) {
4509 *curPtr = *strPtr;
4510 strPtr++;
4511 curPtr++;
4512 } else strPtr++;
4514 *curPtr = 0x00;
4516 /* Try to get currency into a double */
4517 currencyVal = atof(pBuffer);
4518 TRACE("Converted string '%s' to %f\n", pBuffer, currencyVal);
4520 /* Free allocated storage */
4521 HeapFree( GetProcessHeap(), 0, pNewString );
4522 free(decSep);
4524 /* Convert double -> currency using internal routine */
4525 return VarCyFromR8(currencyVal, pcyOut);
4529 /**********************************************************************
4530 * VarCyFromBool [OLEAUT32.106]
4531 * Convert boolean to currency
4533 HRESULT WINAPI VarCyFromBool(VARIANT_BOOL boolIn, CY* pcyOut) {
4534 if (boolIn < 0) pcyOut->s.Hi = -1;
4535 else pcyOut->s.Hi = 0;
4536 pcyOut->s.Lo = (ULONG)boolIn * (ULONG)10000;
4538 return S_OK;
4541 /**********************************************************************
4542 * VarCyFromI1 [OLEAUT32.225]
4543 * Convert signed char to currency
4545 HRESULT WINAPI VarCyFromI1(signed char cIn, CY* pcyOut) {
4546 if (cIn < 0) pcyOut->s.Hi = -1;
4547 else pcyOut->s.Hi = 0;
4548 pcyOut->s.Lo = (ULONG)cIn * (ULONG)10000;
4550 return S_OK;
4553 /**********************************************************************
4554 * VarCyFromUI2 [OLEAUT32.226]
4555 * Convert unsigned short to currency
4557 HRESULT WINAPI VarCyFromUI2(USHORT usIn, CY* pcyOut) {
4558 pcyOut->s.Hi = 0;
4559 pcyOut->s.Lo = (ULONG)usIn * (ULONG)10000;
4561 return S_OK;
4564 /**********************************************************************
4565 * VarCyFromUI4 [OLEAUT32.227]
4566 * Convert unsigned long to currency
4568 HRESULT WINAPI VarCyFromUI4(ULONG ulIn, CY* pcyOut) {
4569 double t = (double)ulIn * (double)10000;
4570 pcyOut->s.Hi = (LONG)(t / (double)4294967296.0);
4571 pcyOut->s.Lo = (ULONG)fmod(t, (double)4294967296.0);
4573 return S_OK;
4576 /**********************************************************************
4577 * VarDecFromStr [OLEAUT32.@]
4579 HRESULT WINAPI VarDecFromStr(OLECHAR* strIn, LCID lcid, ULONG dwFlags,
4580 DECIMAL* pdecOut)
4581 { WCHAR *p=strIn;
4582 ULONGLONG t;
4583 ULONG cy;
4584 #ifdef FIXIT
4585 DECIMAL_SETZERO(pdecOut);
4586 #else
4587 pdecOut->u.s.sign = pdecOut->u.s.scale = UI1_MIN;
4588 pdecOut->Hi32 = pdecOut->u1.s1.Mid32 = pdecOut->u1.s1.Lo32 = UI4_MIN;
4589 #endif
4590 if(*p == (WCHAR)'-')pdecOut->u.s.sign= DECIMAL_NEG;
4591 if((*p == (WCHAR)'-') || (*p == (WCHAR)'+')) p++;
4592 for(;*p != (WCHAR)0; p++) {
4593 if((*p < (WCHAR)'0')||(*p > (WCHAR)'9')) goto error ;
4594 t = (ULONGLONG)pdecOut->u1.s1.Lo32 *(ULONGLONG)10
4595 + (ULONGLONG)(*p -(WCHAR)'0');
4596 cy = (ULONG)(t >> 32);
4597 pdecOut->u1.s1.Lo32 = (ULONG)(t & (ULONGLONG)UI4_MAX);
4598 t = (ULONGLONG)pdecOut->u1.s1.Mid32 * (ULONGLONG)10
4599 + (ULONGLONG)cy;
4600 cy = (ULONG)(t >> 32);
4601 pdecOut->u1.s1.Mid32 = (ULONG)(t & (ULONGLONG)UI4_MAX);
4602 t = (ULONGLONG)pdecOut->Hi32 * (ULONGLONG)10
4603 + (ULONGLONG)cy;
4604 cy = (ULONG)(t >> 32);
4605 pdecOut->Hi32 = (ULONG)(t & (ULONGLONG)UI4_MAX);
4606 if(cy) goto overflow ;
4608 TRACE("(4) %s -> sign %02x,hi %08lx,mid %08lx, lo%08lx, scale %08x\n",
4609 debugstr_w(strIn),
4610 pdecOut->u.s.sign, pdecOut->Hi32, pdecOut->u1.s1.Mid32,
4611 pdecOut->u1.s1.Lo32, pdecOut->u.s.scale);
4612 return S_OK;
4614 overflow:
4615 /* like NT4 SP5 */
4616 pdecOut->Hi32 = pdecOut->u1.s1.Mid32 = pdecOut->u1.s1.Lo32 = 0xffffffff;
4617 return DISP_E_OVERFLOW;
4619 error:
4620 ERR("%s: unknown char at pos %d\n",
4621 debugstr_w(strIn), p - strIn + 1);
4622 return DISP_E_TYPEMISMATCH;
4625 /**********************************************************************
4626 * DosDateTimeToVariantTime [OLEAUT32.14]
4627 * Convert dos representation of time to the date and time representation
4628 * stored in a variant.
4630 INT WINAPI DosDateTimeToVariantTime(USHORT wDosDate, USHORT wDosTime,
4631 DATE *pvtime)
4633 struct tm t;
4635 TRACE("( 0x%x, 0x%x, %p ), stub\n", wDosDate, wDosTime, pvtime );
4637 t.tm_sec = (wDosTime & 0x001f) * 2;
4638 t.tm_min = (wDosTime & 0x07e0) >> 5;
4639 t.tm_hour = (wDosTime & 0xf800) >> 11;
4641 t.tm_mday = (wDosDate & 0x001f);
4642 t.tm_mon = (wDosDate & 0x01e0) >> 5;
4643 t.tm_year = ((wDosDate & 0xfe00) >> 9) + 1980;
4645 return TmToDATE( &t, pvtime );
4649 /**********************************************************************
4650 * VarParseNumFromStr [OLEAUT32.46]
4652 HRESULT WINAPI VarParseNumFromStr(OLECHAR * strIn, LCID lcid, ULONG dwFlags,
4653 NUMPARSE * pnumprs, BYTE * rgbDig)
4655 int i,lastent=0;
4656 int cDig;
4657 BOOL foundNum=FALSE;
4659 FIXME("(%s,flags=%lx,....), partial stub!\n",debugstr_w(strIn),dwFlags);
4660 FIXME("numparse: cDig=%d, InFlags=%lx\n",pnumprs->cDig,pnumprs->dwInFlags);
4662 /* The other struct components are to be set by us */
4663 memset(rgbDig,0,pnumprs->cDig);
4665 /* FIXME: Just patching some values in */
4666 pnumprs->nPwr10 = 0;
4667 pnumprs->nBaseShift = 0;
4668 pnumprs->cchUsed = lastent;
4669 pnumprs->dwOutFlags = NUMPRS_DECIMAL;
4671 cDig = 0;
4672 for (i=0; strIn[i] ;i++) {
4673 if ((strIn[i]>='0') && (strIn[i]<='9')) {
4674 foundNum = TRUE;
4675 if (pnumprs->cDig > cDig) {
4676 *(rgbDig++)=strIn[i]-'0';
4677 cDig++;
4678 lastent = i;
4680 } else if ((strIn[i]=='-') && (foundNum==FALSE)) {
4681 pnumprs->dwOutFlags |= NUMPRS_NEG;
4684 pnumprs->cDig = cDig;
4685 TRACE("numparse out: cDig=%d, OutFlags=%lx\n",pnumprs->cDig,pnumprs->dwOutFlags);
4686 return S_OK;
4690 /**********************************************************************
4691 * VarNumFromParseNum [OLEAUT32.47]
4693 HRESULT WINAPI VarNumFromParseNum(NUMPARSE * pnumprs, BYTE * rgbDig,
4694 ULONG dwVtBits, VARIANT * pvar)
4696 DWORD xint;
4697 int i;
4698 FIXME("(..,dwVtBits=%lx,....), partial stub!\n",dwVtBits);
4700 xint = 0;
4701 for (i=0;i<pnumprs->cDig;i++)
4702 xint = xint*10 + rgbDig[i];
4704 if (pnumprs->dwOutFlags & NUMPRS_NEG) {
4705 xint = xint * -1;
4708 VariantInit(pvar);
4709 if (dwVtBits & VTBIT_I4) {
4710 V_VT(pvar) = VT_I4;
4711 V_UNION(pvar,intVal) = xint;
4712 return S_OK;
4714 if (dwVtBits & VTBIT_R8) {
4715 V_VT(pvar) = VT_R8;
4716 V_UNION(pvar,dblVal) = xint;
4717 return S_OK;
4719 if (dwVtBits & VTBIT_R4) {
4720 V_VT(pvar) = VT_R4;
4721 V_UNION(pvar,fltVal) = xint;
4722 return S_OK;
4724 if (dwVtBits & VTBIT_I2) {
4725 V_VT(pvar) = VT_I2;
4726 V_UNION(pvar,iVal) = xint;
4727 return S_OK;
4729 /* FIXME: Currency should be from a double */
4730 if (dwVtBits & VTBIT_CY) {
4731 V_VT(pvar) = VT_CY;
4732 TRACE("Calculated currency is xint=%ld\n", xint);
4733 VarCyFromInt( (int) xint, &V_UNION(pvar,cyVal) );
4734 TRACE("Calculated cy is %ld,%lu\n", V_UNION(pvar,cyVal).s.Hi, V_UNION(pvar,cyVal).s.Lo);
4735 return VarCyFromInt( (int) xint, &V_UNION(pvar,cyVal) );
4738 FIXME("vtbitmask is unsupported %lx, int=%d\n",dwVtBits, (int) xint);
4739 return E_FAIL;
4743 /**********************************************************************
4744 * VarFormatDateTime [OLEAUT32.97]
4746 HRESULT WINAPI VarFormatDateTime(LPVARIANT var, INT format, ULONG dwFlags, BSTR *out)
4748 FIXME("%p %d %lx %p\n", var, format, dwFlags, out);
4749 return E_NOTIMPL;
4752 /**********************************************************************
4753 * VarFormatCurrency [OLEAUT32.127]
4755 HRESULT WINAPI VarFormatCurrency(LPVARIANT var, INT digits, INT lead, INT paren, INT group, ULONG dwFlags, BSTR *out)
4757 FIXME("%p %d %d %d %d %lx %p\n", var, digits, lead, paren, group, dwFlags, out);
4758 return E_NOTIMPL;
4761 /**********************************************************************
4762 * VariantTimeToDosDateTime [OLEAUT32.13]
4763 * Convert variant representation of time to the date and time representation
4764 * stored in dos.
4766 INT WINAPI VariantTimeToDosDateTime(DATE pvtime, USHORT *wDosDate, USHORT *wDosTime)
4768 struct tm t;
4769 *wDosTime = 0;
4770 *wDosDate = 0;
4772 TRACE("( 0x%x, 0x%x, %p ), stub\n", *wDosDate, *wDosTime, &pvtime );
4774 if (DateToTm(pvtime, 0, &t) < 0) return 0;
4776 *wDosTime = *wDosTime | (t.tm_sec / 2);
4777 *wDosTime = *wDosTime | (t.tm_min << 5);
4778 *wDosTime = *wDosTime | (t.tm_hour << 11);
4780 *wDosDate = *wDosDate | t.tm_mday ;
4781 *wDosDate = *wDosDate | t.tm_mon << 5;
4782 *wDosDate = *wDosDate | ((t.tm_year - 1980) << 9) ;
4784 return 1;
4788 /***********************************************************************
4789 * SystemTimeToVariantTime [OLEAUT32.184]
4791 HRESULT WINAPI SystemTimeToVariantTime( LPSYSTEMTIME lpSystemTime, double *pvtime )
4793 struct tm t;
4795 TRACE(" %d/%d/%d %d:%d:%d\n",
4796 lpSystemTime->wMonth, lpSystemTime->wDay,
4797 lpSystemTime->wYear, lpSystemTime->wHour,
4798 lpSystemTime->wMinute, lpSystemTime->wSecond);
4800 if (lpSystemTime->wYear >= 1900)
4802 t.tm_sec = lpSystemTime->wSecond;
4803 t.tm_min = lpSystemTime->wMinute;
4804 t.tm_hour = lpSystemTime->wHour;
4806 t.tm_mday = lpSystemTime->wDay;
4807 t.tm_mon = lpSystemTime->wMonth - 1; /* tm_mon is 0..11, wMonth is 1..12 */
4808 t.tm_year = lpSystemTime->wYear;
4810 return TmToDATE( &t, pvtime );
4812 else
4814 double tmpDate;
4815 long firstDayOfNextYear;
4816 long thisDay;
4817 long leftInYear;
4818 long result;
4820 double decimalPart = 0.0;
4822 t.tm_sec = lpSystemTime->wSecond;
4823 t.tm_min = lpSystemTime->wMinute;
4824 t.tm_hour = lpSystemTime->wHour;
4826 /* Step year forward the same number of years before 1900 */
4827 t.tm_year = 1900 + 1899 - lpSystemTime->wYear;
4828 t.tm_mon = lpSystemTime->wMonth - 1;
4829 t.tm_mday = lpSystemTime->wDay;
4831 /* Calculate date */
4832 TmToDATE( &t, pvtime );
4834 thisDay = (double) floor( *pvtime );
4835 decimalPart = fmod( *pvtime, thisDay );
4837 /* Now, calculate the same time for the first of Jan that year */
4838 t.tm_mon = 0;
4839 t.tm_mday = 1;
4840 t.tm_sec = 0;
4841 t.tm_min = 0;
4842 t.tm_hour = 0;
4843 t.tm_year = t.tm_year+1;
4844 TmToDATE( &t, &tmpDate );
4845 firstDayOfNextYear = (long) floor(tmpDate);
4847 /* Finally since we know the size of the year, subtract the two to get
4848 remaining time in the year */
4849 leftInYear = firstDayOfNextYear - thisDay;
4851 /* Now we want full years up to the year in question, and remainder of year
4852 of the year in question */
4853 if (isleap(lpSystemTime->wYear) ) {
4854 TRACE("Extra day due to leap year\n");
4855 result = 2.0 - ((firstDayOfNextYear - 366) + leftInYear - 2.0);
4856 } else {
4857 result = 2.0 - ((firstDayOfNextYear - 365) + leftInYear - 2.0);
4859 *pvtime = (double) result + decimalPart;
4860 TRACE("<1899 support: returned %f, 1st day %ld, thisday %ld, left %ld\n", *pvtime, firstDayOfNextYear, thisDay, leftInYear);
4862 return 1;
4865 return 0;
4868 /***********************************************************************
4869 * VariantTimeToSystemTime [OLEAUT32.185]
4871 HRESULT WINAPI VariantTimeToSystemTime( double vtime, LPSYSTEMTIME lpSystemTime )
4873 double t = 0, timeofday = 0;
4875 static const BYTE Days_Per_Month[] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
4876 static const BYTE Days_Per_Month_LY[] = {0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
4878 /* The Month_Code is used to find the Day of the Week (LY = LeapYear)*/
4879 static const BYTE Month_Code[] = {0, 1, 4, 4, 0, 2, 5, 0, 3, 6, 1, 4, 6};
4880 static const BYTE Month_Code_LY[] = {0, 0, 3, 4, 0, 2, 5, 0, 3, 6, 1, 4, 6};
4882 /* The Century_Code is used to find the Day of the Week */
4883 static const BYTE Century_Code[] = {0, 6, 4, 2};
4885 struct tm r;
4887 TRACE(" Variant = %f SYSTEMTIME ptr %p\n", vtime, lpSystemTime);
4889 if (vtime >= 0)
4892 if (DateToTm(vtime, 0, &r ) <= 0) return 0;
4894 lpSystemTime->wSecond = r.tm_sec;
4895 lpSystemTime->wMinute = r.tm_min;
4896 lpSystemTime->wHour = r.tm_hour;
4897 lpSystemTime->wDay = r.tm_mday;
4898 lpSystemTime->wMonth = r.tm_mon;
4900 if (lpSystemTime->wMonth == 12)
4901 lpSystemTime->wMonth = 1;
4902 else
4903 lpSystemTime->wMonth++;
4905 lpSystemTime->wYear = r.tm_year;
4907 else
4909 vtime = -1*vtime;
4911 if (DateToTm(vtime, 0, &r ) <= 0) return 0;
4913 lpSystemTime->wSecond = r.tm_sec;
4914 lpSystemTime->wMinute = r.tm_min;
4915 lpSystemTime->wHour = r.tm_hour;
4917 lpSystemTime->wMonth = 13 - r.tm_mon;
4919 if (lpSystemTime->wMonth == 1)
4920 lpSystemTime->wMonth = 12;
4921 else
4922 lpSystemTime->wMonth--;
4924 lpSystemTime->wYear = 1899 - (r.tm_year - 1900);
4926 if (!isleap(lpSystemTime->wYear) )
4927 lpSystemTime->wDay = Days_Per_Month[13 - lpSystemTime->wMonth] - r.tm_mday;
4928 else
4929 lpSystemTime->wDay = Days_Per_Month_LY[13 - lpSystemTime->wMonth] - r.tm_mday;
4934 if (!isleap(lpSystemTime->wYear))
4937 (Century_Code+Month_Code+Year_Code+Day) % 7
4939 The century code repeats every 400 years , so the array
4940 works out like this,
4942 Century_Code[0] is for 16th/20th Centry
4943 Century_Code[1] is for 17th/21th Centry
4944 Century_Code[2] is for 18th/22th Centry
4945 Century_Code[3] is for 19th/23th Centry
4947 The year code is found with the formula (year + (year / 4))
4948 the "year" must be between 0 and 99 .
4950 The Month Code (Month_Code[1]) starts with January and
4951 ends with December.
4954 lpSystemTime->wDayOfWeek = (
4955 Century_Code[(( (lpSystemTime->wYear+100) - lpSystemTime->wYear%100) /100) %4]+
4956 ((lpSystemTime->wYear%100)+(lpSystemTime->wYear%100)/4)+
4957 Month_Code[lpSystemTime->wMonth]+
4958 lpSystemTime->wDay) % 7;
4960 if (lpSystemTime->wDayOfWeek == 0) lpSystemTime->wDayOfWeek = 7;
4961 else lpSystemTime->wDayOfWeek -= 1;
4963 else
4965 lpSystemTime->wDayOfWeek = (
4966 Century_Code[(((lpSystemTime->wYear+100) - lpSystemTime->wYear%100)/100)%4]+
4967 ((lpSystemTime->wYear%100)+(lpSystemTime->wYear%100)/4)+
4968 Month_Code_LY[lpSystemTime->wMonth]+
4969 lpSystemTime->wDay) % 7;
4971 if (lpSystemTime->wDayOfWeek == 0) lpSystemTime->wDayOfWeek = 7;
4972 else lpSystemTime->wDayOfWeek -= 1;
4975 t = floor(vtime);
4976 timeofday = vtime - t;
4978 lpSystemTime->wMilliseconds = (timeofday
4979 - lpSystemTime->wHour*(1/24)
4980 - lpSystemTime->wMinute*(1/1440)
4981 - lpSystemTime->wSecond*(1/86400) )*(1/5184000);
4983 return 1;
4986 /***********************************************************************
4987 * VarUdateFromDate [OLEAUT32.331]
4989 HRESULT WINAPI VarUdateFromDate( DATE datein, ULONG dwFlags, UDATE *pudateout)
4991 HRESULT i = 0;
4992 static const BYTE Days_Per_Month[] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
4993 static const BYTE Days_Per_Month_LY[] = {0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
4995 TRACE("DATE = %f\n", (double)datein);
4996 i = VariantTimeToSystemTime(datein, &(pudateout->st) );
4998 if (i)
5000 pudateout->wDayOfYear = 0;
5002 if (isleap(pudateout->st.wYear))
5004 for (i =1; i<pudateout->st.wMonth; i++)
5005 pudateout->wDayOfYear += Days_Per_Month[i];
5007 else
5009 for (i =1; i<pudateout->st.wMonth; i++)
5010 pudateout->wDayOfYear += Days_Per_Month_LY[i];
5013 pudateout->wDayOfYear += pudateout->st.wDay;
5014 dwFlags = 0; /*VAR_VALIDDATE*/
5016 else dwFlags = 0;
5018 return i;
5021 /***********************************************************************
5022 * VarDateFromUdate [OLEAUT32.330]
5024 HRESULT WINAPI VarDateFromUdate(UDATE *pudateout,
5025 ULONG dwFlags, DATE *datein)
5027 HRESULT i;
5028 double t = 0;
5029 TRACE(" %d/%d/%d %d:%d:%d\n",
5030 pudateout->st.wMonth, pudateout->st.wDay,
5031 pudateout->st.wYear, pudateout->st.wHour,
5032 pudateout->st.wMinute, pudateout->st.wSecond);
5035 i = SystemTimeToVariantTime(&(pudateout->st), &t);
5036 *datein = t;
5038 if (i) return S_OK;
5039 else return E_INVALIDARG;
5043 /**********************************************************************
5044 * VarBstrCmp [OLEAUT32.314]
5046 * flags can be:
5047 * NORM_IGNORECASE, NORM_IGNORENONSPACE, NORM_IGNORESYMBOLS
5048 * NORM_IGNORESTRINGWIDTH, NORM_IGNOREKANATYPE, NORM_IGNOREKASHIDA
5051 HRESULT WINAPI VarBstrCmp(BSTR left, BSTR right, LCID lcid, DWORD flags)
5053 INT r;
5055 TRACE("( %s %s %ld %lx ) partial stub\n", debugstr_w(left), debugstr_w(right), lcid, flags);
5057 /* Contrary to the MSDN, this returns eq for null vs null, null vs L"" and L"" vs NULL */
5058 if((!left) || (!right)) {
5060 if (!left && (!right || *right==0)) return VARCMP_EQ;
5061 else if (!right && (!left || *left==0)) return VARCMP_EQ;
5062 else return VARCMP_NULL;
5065 if(flags&NORM_IGNORECASE)
5066 r = lstrcmpiW(left,right);
5067 else
5068 r = lstrcmpW(left,right);
5070 if(r<0)
5071 return VARCMP_LT;
5072 if(r>0)
5073 return VARCMP_GT;
5075 return VARCMP_EQ;
5078 /**********************************************************************
5079 * VarBstrCat [OLEAUT32.313]
5081 HRESULT WINAPI VarBstrCat(BSTR left, BSTR right, BSTR *out)
5083 BSTR result;
5084 int size = 0;
5086 TRACE("( %s %s %p )\n", debugstr_w(left), debugstr_w(right), out);
5088 /* On Windows, NULL parms are still handled (as empty strings) */
5089 if (left) size=size + lstrlenW(left);
5090 if (right) size=size + lstrlenW(right);
5092 if (out) {
5093 result = SysAllocStringLen(NULL, size);
5094 *out = result;
5095 if (left) lstrcatW(result,left);
5096 if (right) lstrcatW(result,right);
5097 TRACE("result = %s, [%p]\n", debugstr_w(result), result);
5099 return S_OK;
5102 /**********************************************************************
5103 * VarCat [OLEAUT32.318]
5105 HRESULT WINAPI VarCat(LPVARIANT left, LPVARIANT right, LPVARIANT out)
5107 /* Should we VariantClear out? */
5108 /* Can we handle array, vector, by ref etc. */
5109 if ((V_VT(left)&VT_TYPEMASK) == VT_NULL &&
5110 (V_VT(right)&VT_TYPEMASK) == VT_NULL)
5112 V_VT(out) = VT_NULL;
5113 return S_OK;
5116 if (V_VT(left) == VT_BSTR && V_VT(right) == VT_BSTR)
5118 V_VT(out) = VT_BSTR;
5119 VarBstrCat (V_BSTR(left), V_BSTR(right), &V_BSTR(out));
5120 return S_OK;
5122 if (V_VT(left) == VT_BSTR) {
5123 VARIANT bstrvar;
5124 HRESULT hres;
5126 V_VT(out) = VT_BSTR;
5127 hres = VariantChangeTypeEx(&bstrvar,right,0,0,VT_BSTR);
5128 if (hres) {
5129 FIXME("Failed to convert right side from vt %d to VT_BSTR?\n",V_VT(right));
5130 return hres;
5132 VarBstrCat (V_BSTR(left), V_BSTR(&bstrvar), &V_BSTR(out));
5133 return S_OK;
5135 if (V_VT(right) == VT_BSTR) {
5136 VARIANT bstrvar;
5137 HRESULT hres;
5139 V_VT(out) = VT_BSTR;
5140 hres = VariantChangeTypeEx(&bstrvar,left,0,0,VT_BSTR);
5141 if (hres) {
5142 FIXME("Failed to convert right side from vt %d to VT_BSTR?\n",V_VT(right));
5143 return hres;
5145 VarBstrCat (V_BSTR(&bstrvar), V_BSTR(right), &V_BSTR(out));
5146 return S_OK;
5148 FIXME ("types %d / %d not supported\n",V_VT(left)&VT_TYPEMASK, V_VT(right)&VT_TYPEMASK);
5149 return S_OK;
5152 /**********************************************************************
5153 * VarCmp [OLEAUT32.176]
5155 * flags can be:
5156 * NORM_IGNORECASE, NORM_IGNORENONSPACE, NORM_IGNORESYMBOLS
5157 * NORM_IGNOREWIDTH, NORM_IGNOREKANATYPE, NORM_IGNOREKASHIDA
5160 HRESULT WINAPI VarCmp(LPVARIANT left, LPVARIANT right, LCID lcid, DWORD flags)
5164 BOOL lOk = TRUE;
5165 BOOL rOk = TRUE;
5166 LONGLONG lVal = -1;
5167 LONGLONG rVal = -1;
5168 VARIANT rv,lv;
5169 DWORD xmask;
5170 HRESULT rc;
5172 VariantInit(&lv);VariantInit(&rv);
5173 V_VT(right) &= ~0x8000; /* hack since we sometime get this flag. */
5174 V_VT(left) &= ~0x8000; /* hack since we sometime get this flag. */
5176 TRACE("Left Var:\n");
5177 dump_Variant(left);
5178 TRACE("Right Var:\n");
5179 dump_Variant(right);
5181 /* If either are null, then return VARCMP_NULL */
5182 if ((V_VT(left)&VT_TYPEMASK) == VT_NULL ||
5183 (V_VT(right)&VT_TYPEMASK) == VT_NULL)
5184 return VARCMP_NULL;
5186 /* Strings - use VarBstrCmp */
5187 if ((V_VT(left)&VT_TYPEMASK) == VT_BSTR &&
5188 (V_VT(right)&VT_TYPEMASK) == VT_BSTR) {
5189 return VarBstrCmp(V_BSTR(left), V_BSTR(right), lcid, flags);
5192 xmask = (1<<(V_VT(left)&VT_TYPEMASK))|(1<<(V_VT(right)&VT_TYPEMASK));
5193 if (xmask & (1<<VT_R8)) {
5194 rc = VariantChangeType(&lv,left,0,VT_R8);
5195 if (FAILED(rc)) return rc;
5196 rc = VariantChangeType(&rv,right,0,VT_R8);
5197 if (FAILED(rc)) return rc;
5199 if (V_R8(&lv) == V_R8(&rv)) return VARCMP_EQ;
5200 if (V_R8(&lv) < V_R8(&rv)) return VARCMP_LT;
5201 if (V_R8(&lv) > V_R8(&rv)) return VARCMP_GT;
5202 return E_FAIL; /* can't get here */
5204 if (xmask & (1<<VT_R4)) {
5205 rc = VariantChangeType(&lv,left,0,VT_R4);
5206 if (FAILED(rc)) return rc;
5207 rc = VariantChangeType(&rv,right,0,VT_R4);
5208 if (FAILED(rc)) return rc;
5210 if (V_R4(&lv) == V_R4(&rv)) return VARCMP_EQ;
5211 if (V_R4(&lv) < V_R4(&rv)) return VARCMP_LT;
5212 if (V_R4(&lv) > V_R4(&rv)) return VARCMP_GT;
5213 return E_FAIL; /* can't get here */
5216 /* Integers - Ideally like to use VarDecCmp, but no Dec support yet
5217 Use LONGLONG to maximize ranges */
5218 lOk = TRUE;
5219 switch (V_VT(left)&VT_TYPEMASK) {
5220 case VT_I1 : lVal = V_UNION(left,cVal); break;
5221 case VT_I2 : lVal = V_UNION(left,iVal); break;
5222 case VT_I4 : lVal = V_UNION(left,lVal); break;
5223 case VT_INT : lVal = V_UNION(left,lVal); break;
5224 case VT_UI1 : lVal = V_UNION(left,bVal); break;
5225 case VT_UI2 : lVal = V_UNION(left,uiVal); break;
5226 case VT_UI4 : lVal = V_UNION(left,ulVal); break;
5227 case VT_UINT : lVal = V_UNION(left,ulVal); break;
5228 case VT_BOOL : lVal = V_UNION(left,boolVal); break;
5229 default: lOk = FALSE;
5232 rOk = TRUE;
5233 switch (V_VT(right)&VT_TYPEMASK) {
5234 case VT_I1 : rVal = V_UNION(right,cVal); break;
5235 case VT_I2 : rVal = V_UNION(right,iVal); break;
5236 case VT_I4 : rVal = V_UNION(right,lVal); break;
5237 case VT_INT : rVal = V_UNION(right,lVal); break;
5238 case VT_UI1 : rVal = V_UNION(right,bVal); break;
5239 case VT_UI2 : rVal = V_UNION(right,uiVal); break;
5240 case VT_UI4 : rVal = V_UNION(right,ulVal); break;
5241 case VT_UINT : rVal = V_UNION(right,ulVal); break;
5242 case VT_BOOL : rVal = V_UNION(right,boolVal); break;
5243 default: rOk = FALSE;
5246 if (lOk && rOk) {
5247 if (lVal < rVal) {
5248 return VARCMP_LT;
5249 } else if (lVal > rVal) {
5250 return VARCMP_GT;
5251 } else {
5252 return VARCMP_EQ;
5256 /* Strings - use VarBstrCmp */
5257 if ((V_VT(left)&VT_TYPEMASK) == VT_DATE &&
5258 (V_VT(right)&VT_TYPEMASK) == VT_DATE) {
5260 if (floor(V_UNION(left,date)) == floor(V_UNION(right,date))) {
5261 /* Due to floating point rounding errors, calculate varDate in whole numbers) */
5262 double wholePart = 0.0;
5263 double leftR;
5264 double rightR;
5266 /* Get the fraction * 24*60*60 to make it into whole seconds */
5267 wholePart = (double) floor( V_UNION(left,date) );
5268 if (wholePart == 0) wholePart = 1;
5269 leftR = floor(fmod( V_UNION(left,date), wholePart ) * (24*60*60));
5271 wholePart = (double) floor( V_UNION(right,date) );
5272 if (wholePart == 0) wholePart = 1;
5273 rightR = floor(fmod( V_UNION(right,date), wholePart ) * (24*60*60));
5275 if (leftR < rightR) {
5276 return VARCMP_LT;
5277 } else if (leftR > rightR) {
5278 return VARCMP_GT;
5279 } else {
5280 return VARCMP_EQ;
5283 } else if (V_UNION(left,date) < V_UNION(right,date)) {
5284 return VARCMP_LT;
5285 } else if (V_UNION(left,date) > V_UNION(right,date)) {
5286 return VARCMP_GT;
5289 FIXME("VarCmp partial implementation, doesnt support vt 0x%x / 0x%x\n",V_VT(left), V_VT(right));
5290 return E_FAIL;
5293 /**********************************************************************
5294 * VarAnd [OLEAUT32.142]
5297 HRESULT WINAPI VarAnd(LPVARIANT left, LPVARIANT right, LPVARIANT result)
5299 HRESULT rc = E_FAIL;
5301 TRACE("Left Var:\n");
5302 dump_Variant(left);
5303 TRACE("Right Var:\n");
5304 dump_Variant(right);
5306 if ((V_VT(left)&VT_TYPEMASK) == VT_BOOL &&
5307 (V_VT(right)&VT_TYPEMASK) == VT_BOOL) {
5309 V_VT(result) = VT_BOOL;
5310 if (V_BOOL(left) && V_BOOL(right)) {
5311 V_BOOL(result) = VARIANT_TRUE;
5312 } else {
5313 V_BOOL(result) = VARIANT_FALSE;
5315 rc = S_OK;
5317 } else {
5318 /* Integers */
5319 BOOL lOk = TRUE;
5320 BOOL rOk = TRUE;
5321 LONGLONG lVal = -1;
5322 LONGLONG rVal = -1;
5323 LONGLONG res = -1;
5324 int resT = 0; /* Testing has shown I2 & I2 == I2, all else
5325 becomes I4, even unsigned ints (incl. UI2) */
5327 lOk = TRUE;
5328 switch (V_VT(left)&VT_TYPEMASK) {
5329 case VT_I1 : lVal = V_UNION(left,cVal); resT=VT_I4; break;
5330 case VT_I2 : lVal = V_UNION(left,iVal); resT=VT_I2; break;
5331 case VT_I4 : lVal = V_UNION(left,lVal); resT=VT_I4; break;
5332 case VT_INT : lVal = V_UNION(left,lVal); resT=VT_I4; break;
5333 case VT_UI1 : lVal = V_UNION(left,bVal); resT=VT_I4; break;
5334 case VT_UI2 : lVal = V_UNION(left,uiVal); resT=VT_I4; break;
5335 case VT_UI4 : lVal = V_UNION(left,ulVal); resT=VT_I4; break;
5336 case VT_UINT : lVal = V_UNION(left,ulVal); resT=VT_I4; break;
5337 default: lOk = FALSE;
5340 rOk = TRUE;
5341 switch (V_VT(right)&VT_TYPEMASK) {
5342 case VT_I1 : rVal = V_UNION(right,cVal); resT=VT_I4; break;
5343 case VT_I2 : rVal = V_UNION(right,iVal); resT=max(VT_I2, resT); break;
5344 case VT_I4 : rVal = V_UNION(right,lVal); resT=VT_I4; break;
5345 case VT_INT : rVal = V_UNION(right,lVal); resT=VT_I4; break;
5346 case VT_UI1 : rVal = V_UNION(right,bVal); resT=VT_I4; break;
5347 case VT_UI2 : rVal = V_UNION(right,uiVal); resT=VT_I4; break;
5348 case VT_UI4 : rVal = V_UNION(right,ulVal); resT=VT_I4; break;
5349 case VT_UINT : rVal = V_UNION(right,ulVal); resT=VT_I4; break;
5350 default: rOk = FALSE;
5353 if (lOk && rOk) {
5354 res = (lVal & rVal);
5355 V_VT(result) = resT;
5356 switch (resT) {
5357 case VT_I2 : V_UNION(result,iVal) = res; break;
5358 case VT_I4 : V_UNION(result,lVal) = res; break;
5359 default:
5360 FIXME("Unexpected result variant type %x\n", resT);
5361 V_UNION(result,lVal) = res;
5363 rc = S_OK;
5365 } else {
5366 FIXME("VarAnd stub\n");
5370 TRACE("rc=%d, Result:\n", (int) rc);
5371 dump_Variant(result);
5372 return rc;
5375 /**********************************************************************
5376 * VarAdd [OLEAUT32.141]
5377 * FIXME: From MSDN: If ... Then
5378 * Both expressions are of the string type Concatenated.
5379 * One expression is a string type and the other a character Addition.
5380 * One expression is numeric and the other is a string Addition.
5381 * Both expressions are numeric Addition.
5382 * Either expression is NULL NULL is returned.
5383 * Both expressions are empty Integer subtype is returned.
5386 HRESULT WINAPI VarAdd(LPVARIANT left, LPVARIANT right, LPVARIANT result)
5388 HRESULT rc = E_FAIL;
5390 TRACE("Left Var:\n");
5391 dump_Variant(left);
5392 TRACE("Right Var:\n");
5393 dump_Variant(right);
5395 /* Handle strings as concat */
5396 if ((V_VT(left)&VT_TYPEMASK) == VT_BSTR &&
5397 (V_VT(right)&VT_TYPEMASK) == VT_BSTR) {
5398 V_VT(result) = VT_BSTR;
5399 rc = VarBstrCat(V_BSTR(left), V_BSTR(right), &V_BSTR(result));
5400 } else {
5402 /* Integers */
5403 BOOL lOk = TRUE;
5404 BOOL rOk = TRUE;
5405 LONGLONG lVal = -1;
5406 LONGLONG rVal = -1;
5407 LONGLONG res = -1;
5408 int resT = 0; /* Testing has shown I2 + I2 == I2, all else
5409 becomes I4 */
5411 lOk = TRUE;
5412 switch (V_VT(left)&VT_TYPEMASK) {
5413 case VT_I1 : lVal = V_UNION(left,cVal); resT=VT_I4; break;
5414 case VT_I2 : lVal = V_UNION(left,iVal); resT=VT_I2; break;
5415 case VT_I4 : lVal = V_UNION(left,lVal); resT=VT_I4; break;
5416 case VT_INT : lVal = V_UNION(left,lVal); resT=VT_I4; break;
5417 case VT_UI1 : lVal = V_UNION(left,bVal); resT=VT_I4; break;
5418 case VT_UI2 : lVal = V_UNION(left,uiVal); resT=VT_I4; break;
5419 case VT_UI4 : lVal = V_UNION(left,ulVal); resT=VT_I4; break;
5420 case VT_UINT : lVal = V_UNION(left,ulVal); resT=VT_I4; break;
5421 default: lOk = FALSE;
5424 rOk = TRUE;
5425 switch (V_VT(right)&VT_TYPEMASK) {
5426 case VT_I1 : rVal = V_UNION(right,cVal); resT=VT_I4; break;
5427 case VT_I2 : rVal = V_UNION(right,iVal); resT=max(VT_I2, resT); break;
5428 case VT_I4 : rVal = V_UNION(right,lVal); resT=VT_I4; break;
5429 case VT_INT : rVal = V_UNION(right,lVal); resT=VT_I4; break;
5430 case VT_UI1 : rVal = V_UNION(right,bVal); resT=VT_I4; break;
5431 case VT_UI2 : rVal = V_UNION(right,uiVal); resT=VT_I4; break;
5432 case VT_UI4 : rVal = V_UNION(right,ulVal); resT=VT_I4; break;
5433 case VT_UINT : rVal = V_UNION(right,ulVal); resT=VT_I4; break;
5434 default: rOk = FALSE;
5437 if (lOk && rOk) {
5438 res = (lVal + rVal);
5439 V_VT(result) = resT;
5440 switch (resT) {
5441 case VT_I2 : V_UNION(result,iVal) = res; break;
5442 case VT_I4 : V_UNION(result,lVal) = res; break;
5443 default:
5444 FIXME("Unexpected result variant type %x\n", resT);
5445 V_UNION(result,lVal) = res;
5447 rc = S_OK;
5449 } else {
5450 FIXME("unimplemented part\n");
5454 TRACE("rc=%d, Result:\n", (int) rc);
5455 dump_Variant(result);
5456 return rc;
5459 /**********************************************************************
5460 * VarMul [OLEAUT32.156]
5463 HRESULT WINAPI VarMul(LPVARIANT left, LPVARIANT right, LPVARIANT result)
5465 HRESULT rc = E_FAIL;
5466 VARTYPE lvt,rvt,resvt;
5467 VARIANT lv,rv;
5468 BOOL found;
5470 TRACE("left: ");dump_Variant(left);
5471 TRACE("right: ");dump_Variant(right);
5473 VariantInit(&lv);VariantInit(&rv);
5474 lvt = V_VT(left)&VT_TYPEMASK;
5475 rvt = V_VT(right)&VT_TYPEMASK;
5476 found = FALSE;resvt=VT_VOID;
5477 if (((1<<lvt) | (1<<rvt)) & ((1<<VT_R4)|(1<<VT_R8))) {
5478 found = TRUE;
5479 resvt = VT_R8;
5481 if (!found && (((1<<lvt) | (1<<rvt)) & ((1<<VT_I1)|(1<<VT_I2)|(1<<VT_UI1)|(1<<VT_UI2)|(1<<VT_I4)|(1<<VT_UI4)|(1<<VT_INT)|(1<<VT_UINT)))) {
5482 found = TRUE;
5483 resvt = VT_I4;
5485 if (!found) {
5486 FIXME("can't expand vt %d vs %d to a target type.\n",lvt,rvt);
5487 return E_FAIL;
5489 rc = VariantChangeType(&lv, left, 0, resvt);
5490 if (FAILED(rc)) {
5491 FIXME("Could not convert 0x%x to %d?\n",V_VT(left),resvt);
5492 return rc;
5494 rc = VariantChangeType(&rv, right, 0, resvt);
5495 if (FAILED(rc)) {
5496 FIXME("Could not convert 0x%x to %d?\n",V_VT(right),resvt);
5497 return rc;
5499 switch (resvt) {
5500 case VT_R8:
5501 V_VT(result) = resvt;
5502 V_R8(result) = V_R8(&lv) * V_R8(&rv);
5503 rc = S_OK;
5504 break;
5505 case VT_I4:
5506 V_VT(result) = resvt;
5507 V_I4(result) = V_I4(&lv) * V_I4(&rv);
5508 rc = S_OK;
5509 break;
5511 TRACE("rc=%d, Result:\n", (int) rc);
5512 dump_Variant(result);
5513 return rc;
5516 /**********************************************************************
5517 * VarDiv [OLEAUT32.143]
5520 HRESULT WINAPI VarDiv(LPVARIANT left, LPVARIANT right, LPVARIANT result)
5522 HRESULT rc = E_FAIL;
5523 VARTYPE lvt,rvt,resvt;
5524 VARIANT lv,rv;
5525 BOOL found;
5527 TRACE("left: ");dump_Variant(left);
5528 TRACE("right: ");dump_Variant(right);
5530 VariantInit(&lv);VariantInit(&rv);
5531 lvt = V_VT(left)&VT_TYPEMASK;
5532 rvt = V_VT(right)&VT_TYPEMASK;
5533 found = FALSE;resvt = VT_VOID;
5534 if (((1<<lvt) | (1<<rvt)) & ((1<<VT_R4)|(1<<VT_R8))) {
5535 found = TRUE;
5536 resvt = VT_R8;
5538 if (!found && (((1<<lvt) | (1<<rvt)) & ((1<<VT_I1)|(1<<VT_I2)|(1<<VT_UI1)|(1<<VT_UI2)|(1<<VT_I4)|(1<<VT_UI4)|(1<<VT_INT)|(1<<VT_UINT)))) {
5539 found = TRUE;
5540 resvt = VT_I4;
5542 if (!found) {
5543 FIXME("can't expand vt %d vs %d to a target type.\n",lvt,rvt);
5544 return E_FAIL;
5546 rc = VariantChangeType(&lv, left, 0, resvt);
5547 if (FAILED(rc)) {
5548 FIXME("Could not convert 0x%x to %d?\n",V_VT(left),resvt);
5549 return rc;
5551 rc = VariantChangeType(&rv, right, 0, resvt);
5552 if (FAILED(rc)) {
5553 FIXME("Could not convert 0x%x to %d?\n",V_VT(right),resvt);
5554 return rc;
5556 switch (resvt) {
5557 case VT_R8:
5558 V_VT(result) = resvt;
5559 V_R8(result) = V_R8(&lv) / V_R8(&rv);
5560 rc = S_OK;
5561 break;
5562 case VT_I4:
5563 V_VT(result) = resvt;
5564 V_I4(result) = V_I4(&lv) / V_I4(&rv);
5565 rc = S_OK;
5566 break;
5568 TRACE("rc=%d, Result:\n", (int) rc);
5569 dump_Variant(result);
5570 return rc;
5573 /**********************************************************************
5574 * VarSub [OLEAUT32.159]
5577 HRESULT WINAPI VarSub(LPVARIANT left, LPVARIANT right, LPVARIANT result)
5579 HRESULT rc = E_FAIL;
5580 VARTYPE lvt,rvt,resvt;
5581 VARIANT lv,rv;
5582 BOOL found;
5584 TRACE("left: ");dump_Variant(left);
5585 TRACE("right: ");dump_Variant(right);
5587 VariantInit(&lv);VariantInit(&rv);
5588 lvt = V_VT(left)&VT_TYPEMASK;
5589 rvt = V_VT(right)&VT_TYPEMASK;
5590 found = FALSE;resvt = VT_VOID;
5591 if (((1<<lvt) | (1<<rvt)) & ((1<<VT_R4)|(1<<VT_R8))) {
5592 found = TRUE;
5593 resvt = VT_R8;
5595 if (!found && (((1<<lvt) | (1<<rvt)) & ((1<<VT_I1)|(1<<VT_I2)|(1<<VT_UI1)|(1<<VT_UI2)|(1<<VT_I4)|(1<<VT_UI4)|(1<<VT_INT)|(1<<VT_UINT)))) {
5596 found = TRUE;
5597 resvt = VT_I4;
5599 if (!found) {
5600 FIXME("can't expand vt %d vs %d to a target type.\n",lvt,rvt);
5601 return E_FAIL;
5603 rc = VariantChangeType(&lv, left, 0, resvt);
5604 if (FAILED(rc)) {
5605 FIXME("Could not convert 0x%x to %d?\n",V_VT(left),resvt);
5606 return rc;
5608 rc = VariantChangeType(&rv, right, 0, resvt);
5609 if (FAILED(rc)) {
5610 FIXME("Could not convert 0x%x to %d?\n",V_VT(right),resvt);
5611 return rc;
5613 switch (resvt) {
5614 case VT_R8:
5615 V_VT(result) = resvt;
5616 V_R8(result) = V_R8(&lv) - V_R8(&rv);
5617 rc = S_OK;
5618 break;
5619 case VT_I4:
5620 V_VT(result) = resvt;
5621 V_I4(result) = V_I4(&lv) - V_I4(&rv);
5622 rc = S_OK;
5623 break;
5625 TRACE("rc=%d, Result:\n", (int) rc);
5626 dump_Variant(result);
5627 return rc;
5630 /**********************************************************************
5631 * VarOr [OLEAUT32.157]
5634 HRESULT WINAPI VarOr(LPVARIANT left, LPVARIANT right, LPVARIANT result)
5636 HRESULT rc = E_FAIL;
5638 TRACE("Left Var:\n");
5639 dump_Variant(left);
5640 TRACE("Right Var:\n");
5641 dump_Variant(right);
5643 if ((V_VT(left)&VT_TYPEMASK) == VT_BOOL &&
5644 (V_VT(right)&VT_TYPEMASK) == VT_BOOL) {
5646 V_VT(result) = VT_BOOL;
5647 if (V_BOOL(left) || V_BOOL(right)) {
5648 V_BOOL(result) = VARIANT_TRUE;
5649 } else {
5650 V_BOOL(result) = VARIANT_FALSE;
5652 rc = S_OK;
5654 } else {
5655 /* Integers */
5656 BOOL lOk = TRUE;
5657 BOOL rOk = TRUE;
5658 LONGLONG lVal = -1;
5659 LONGLONG rVal = -1;
5660 LONGLONG res = -1;
5661 int resT = 0; /* Testing has shown I2 & I2 == I2, all else
5662 becomes I4, even unsigned ints (incl. UI2) */
5664 lOk = TRUE;
5665 switch (V_VT(left)&VT_TYPEMASK) {
5666 case VT_I1 : lVal = V_UNION(left,cVal); resT=VT_I4; break;
5667 case VT_I2 : lVal = V_UNION(left,iVal); resT=VT_I2; break;
5668 case VT_I4 : lVal = V_UNION(left,lVal); resT=VT_I4; break;
5669 case VT_INT : lVal = V_UNION(left,lVal); resT=VT_I4; break;
5670 case VT_UI1 : lVal = V_UNION(left,bVal); resT=VT_I4; break;
5671 case VT_UI2 : lVal = V_UNION(left,uiVal); resT=VT_I4; break;
5672 case VT_UI4 : lVal = V_UNION(left,ulVal); resT=VT_I4; break;
5673 case VT_UINT : lVal = V_UNION(left,ulVal); resT=VT_I4; break;
5674 default: lOk = FALSE;
5677 rOk = TRUE;
5678 switch (V_VT(right)&VT_TYPEMASK) {
5679 case VT_I1 : rVal = V_UNION(right,cVal); resT=VT_I4; break;
5680 case VT_I2 : rVal = V_UNION(right,iVal); resT=max(VT_I2, resT); break;
5681 case VT_I4 : rVal = V_UNION(right,lVal); resT=VT_I4; break;
5682 case VT_INT : rVal = V_UNION(right,lVal); resT=VT_I4; break;
5683 case VT_UI1 : rVal = V_UNION(right,bVal); resT=VT_I4; break;
5684 case VT_UI2 : rVal = V_UNION(right,uiVal); resT=VT_I4; break;
5685 case VT_UI4 : rVal = V_UNION(right,ulVal); resT=VT_I4; break;
5686 case VT_UINT : rVal = V_UNION(right,ulVal); resT=VT_I4; break;
5687 default: rOk = FALSE;
5690 if (lOk && rOk) {
5691 res = (lVal | rVal);
5692 V_VT(result) = resT;
5693 switch (resT) {
5694 case VT_I2 : V_UNION(result,iVal) = res; break;
5695 case VT_I4 : V_UNION(result,lVal) = res; break;
5696 default:
5697 FIXME("Unexpected result variant type %x\n", resT);
5698 V_UNION(result,lVal) = res;
5700 rc = S_OK;
5702 } else {
5703 FIXME("unimplemented part\n");
5707 TRACE("rc=%d, Result:\n", (int) rc);
5708 dump_Variant(result);
5709 return rc;
5712 /**********************************************************************
5713 * VarNot [OLEAUT32.174]
5716 HRESULT WINAPI VarNot(LPVARIANT in, LPVARIANT result)
5718 HRESULT rc = E_FAIL;
5720 TRACE("Var In:\n");
5721 dump_Variant(in);
5723 if ((V_VT(in)&VT_TYPEMASK) == VT_BOOL) {
5725 V_VT(result) = VT_BOOL;
5726 if (V_BOOL(in)) {
5727 V_BOOL(result) = VARIANT_FALSE;
5728 } else {
5729 V_BOOL(result) = VARIANT_TRUE;
5731 rc = S_OK;
5733 } else {
5734 FIXME("VarNot stub\n");
5737 TRACE("rc=%d, Result:\n", (int) rc);
5738 dump_Variant(result);
5739 return rc;
5742 /**********************************************************************
5743 * VarTokenizeFormatString [OLEAUT32.140]
5745 * From investigation on W2K, a list is built up which is:
5747 * <0x00> AA BB - Copy from AA for BB chars (Note 1 byte with wrap!)
5748 * <token> - Insert appropriate token
5751 HRESULT WINAPI VarTokenizeFormatString(LPOLESTR format, LPBYTE rgbTok,
5752 int cbTok, int iFirstDay, int iFirstWeek,
5753 LCID lcid, int *pcbActual) {
5755 FORMATHDR *hdr;
5756 int realLen, formatLeft;
5757 BYTE *pData;
5758 LPSTR pFormatA, pStart;
5759 int checkStr;
5760 BOOL insertCopy = FALSE;
5761 LPSTR copyFrom = NULL;
5763 TRACE("'%s', %p %d %d %d only date support\n", debugstr_w(format), rgbTok, cbTok,
5764 iFirstDay, iFirstWeek);
5766 /* Big enough for header? */
5767 if (cbTok < sizeof(FORMATHDR)) {
5768 return TYPE_E_BUFFERTOOSMALL;
5771 /* Insert header */
5772 hdr = (FORMATHDR *) rgbTok;
5773 memset(hdr, 0x00, sizeof(FORMATHDR));
5774 hdr->hex3 = 0x03; /* No idea what these are */
5775 hdr->hex6 = 0x06;
5777 /* Start parsing string */
5778 realLen = sizeof(FORMATHDR);
5779 pData = rgbTok + realLen;
5780 pFormatA = HEAP_strdupWtoA( GetProcessHeap(), 0, format );
5781 pStart = pFormatA;
5782 formatLeft = strlen(pFormatA);
5784 /* Work through the format */
5785 while (*pFormatA != 0x00) {
5787 checkStr = 0;
5788 while (checkStr>=0 && (formatTokens[checkStr].tokenSize != 0x00)) {
5789 if (formatLeft >= formatTokens[checkStr].tokenSize &&
5790 strncmp(formatTokens[checkStr].str, pFormatA,
5791 formatTokens[checkStr].tokenSize) == 0) {
5792 TRACE("match on '%s'\n", formatTokens[checkStr].str);
5794 /* Found Match! */
5796 /* If we have skipped chars, insert the copy */
5797 if (insertCopy == TRUE) {
5799 if ((realLen + 3) > cbTok) {
5800 HeapFree( GetProcessHeap(), 0, pFormatA );
5801 return TYPE_E_BUFFERTOOSMALL;
5803 insertCopy = FALSE;
5804 *pData = TOK_COPY;
5805 pData++;
5806 *pData = (BYTE)(copyFrom - pStart);
5807 pData++;
5808 *pData = (BYTE)(pFormatA - copyFrom);
5809 pData++;
5810 realLen = realLen + 3;
5814 /* Now insert the token itself */
5815 if ((realLen + 1) > cbTok) {
5816 HeapFree( GetProcessHeap(), 0, pFormatA );
5817 return TYPE_E_BUFFERTOOSMALL;
5819 *pData = formatTokens[checkStr].tokenId;
5820 pData = pData + 1;
5821 realLen = realLen + 1;
5823 pFormatA = pFormatA + formatTokens[checkStr].tokenSize;
5824 formatLeft = formatLeft - formatTokens[checkStr].tokenSize;
5825 checkStr = -1; /* Flag as found and break out of while loop */
5826 } else {
5827 checkStr++;
5831 /* Did we ever match a token? */
5832 if (checkStr != -1 && insertCopy == FALSE) {
5833 TRACE("No match - need to insert copy from %p [%p]\n", pFormatA, pStart);
5834 insertCopy = TRUE;
5835 copyFrom = pFormatA;
5836 } else if (checkStr != -1) {
5837 pFormatA = pFormatA + 1;
5842 /* Finally, if we have skipped chars, insert the copy */
5843 if (insertCopy == TRUE) {
5845 TRACE("Chars left over, so still copy %p,%p,%p\n", copyFrom, pStart, pFormatA);
5846 if ((realLen + 3) > cbTok) {
5847 HeapFree( GetProcessHeap(), 0, pFormatA );
5848 return TYPE_E_BUFFERTOOSMALL;
5850 insertCopy = FALSE;
5851 *pData = TOK_COPY;
5852 pData++;
5853 *pData = (BYTE)(copyFrom - pStart);
5854 pData++;
5855 *pData = (BYTE)(pFormatA - copyFrom);
5856 pData++;
5857 realLen = realLen + 3;
5860 /* Finally insert the terminator */
5861 if ((realLen + 1) > cbTok) {
5862 HeapFree( GetProcessHeap(), 0, pFormatA );
5863 return TYPE_E_BUFFERTOOSMALL;
5865 *pData++ = TOK_END;
5866 realLen = realLen + 1;
5868 /* Finally fill in the length */
5869 hdr->len = realLen;
5870 *pcbActual = realLen;
5872 #if 0
5873 { int i,j;
5874 for (i=0; i<realLen; i=i+0x10) {
5875 printf(" %4.4x : ", i);
5876 for (j=0; j<0x10 && (i+j < realLen); j++) {
5877 printf("%2.2x ", rgbTok[i+j]);
5879 printf("\n");
5882 #endif
5883 HeapFree( GetProcessHeap(), 0, pFormatA );
5885 return S_OK;
5888 /**********************************************************************
5889 * VarFormatFromTokens [OLEAUT32.139]
5890 * FIXME: No account of flags or iFirstDay etc
5892 HRESULT WINAPI VarFormatFromTokens(LPVARIANT varIn, LPOLESTR format,
5893 LPBYTE pbTokCur, ULONG dwFlags, BSTR *pbstrOut,
5894 LCID lcid) {
5896 FORMATHDR *hdr = (FORMATHDR *)pbTokCur;
5897 BYTE *pData = pbTokCur + sizeof (FORMATHDR);
5898 LPSTR pFormatA = HEAP_strdupWtoA( GetProcessHeap(), 0, format );
5899 char output[BUFFER_MAX];
5900 char *pNextPos;
5901 int size, whichToken;
5902 VARIANTARG Variant;
5903 struct tm TM;
5907 TRACE("'%s', %p %lx %p only date support\n", pFormatA, pbTokCur, dwFlags, pbstrOut);
5908 TRACE("varIn:\n");
5909 dump_Variant(varIn);
5911 memset(output, 0x00, BUFFER_MAX);
5912 pNextPos = output;
5914 while (*pData != TOK_END && ((pData - pbTokCur) <= (hdr->len))) {
5916 TRACE("Output looks like : '%s'\n", output);
5918 /* Convert varient to appropriate data type */
5919 whichToken = 0;
5920 while ((formatTokens[whichToken].tokenSize != 0x00) &&
5921 (formatTokens[whichToken].tokenId != *pData)) {
5922 whichToken++;
5925 /* Use Variant local from here downwards as always correct type */
5926 if (formatTokens[whichToken].tokenSize > 0 &&
5927 formatTokens[whichToken].varTypeRequired != 0) {
5928 VariantInit( &Variant );
5929 if (Coerce( &Variant, lcid, dwFlags, varIn,
5930 formatTokens[whichToken].varTypeRequired ) != S_OK) {
5931 HeapFree( GetProcessHeap(), 0, pFormatA );
5932 return DISP_E_TYPEMISMATCH;
5933 } else if (formatTokens[whichToken].varTypeRequired == VT_DATE) {
5934 if( DateToTm( V_UNION(&Variant,date), dwFlags, &TM ) == FALSE ) {
5935 HeapFree( GetProcessHeap(), 0, pFormatA );
5936 return E_INVALIDARG;
5941 TRACE("Looking for match on token '%x'\n", *pData);
5942 switch (*pData) {
5943 case TOK_COPY:
5944 TRACE("Copy from %d for %d bytes\n", *(pData+1), *(pData+2));
5945 memcpy(pNextPos, &pFormatA[*(pData+1)], *(pData+2));
5946 pNextPos = pNextPos + *(pData+2);
5947 pData = pData + 3;
5948 break;
5950 case TOK_COLON :
5951 /* Get locale information - Time Seperator */
5952 size = GetLocaleInfoA(lcid, LOCALE_STIME, NULL, 0);
5953 GetLocaleInfoA(lcid, LOCALE_STIME, pNextPos, size);
5954 TRACE("TOK_COLON Time seperator is '%s'\n", pNextPos);
5955 pNextPos = pNextPos + size;
5956 pData = pData + 1;
5957 break;
5959 case TOK_SLASH :
5960 /* Get locale information - Date Seperator */
5961 size = GetLocaleInfoA(lcid, LOCALE_SDATE, NULL, 0);
5962 GetLocaleInfoA(lcid, LOCALE_SDATE, pNextPos, size);
5963 TRACE("TOK_COLON Time seperator is '%s'\n", pNextPos);
5964 pNextPos = pNextPos + size;
5965 pData = pData + 1;
5966 break;
5968 case TOK_d :
5969 sprintf(pNextPos, "%d", TM.tm_mday);
5970 pNextPos = pNextPos + strlen(pNextPos);
5971 pData = pData + 1;
5972 break;
5974 case TOK_dd :
5975 sprintf(pNextPos, "%2.2d", TM.tm_mday);
5976 pNextPos = pNextPos + strlen(pNextPos);
5977 pData = pData + 1;
5978 break;
5980 case TOK_w :
5981 sprintf(pNextPos, "%d", TM.tm_wday+1);
5982 pNextPos = pNextPos + strlen(pNextPos);
5983 pData = pData + 1;
5984 break;
5986 case TOK_m :
5987 sprintf(pNextPos, "%d", TM.tm_mon+1);
5988 pNextPos = pNextPos + strlen(pNextPos);
5989 pData = pData + 1;
5990 break;
5992 case TOK_mm :
5993 sprintf(pNextPos, "%2.2d", TM.tm_mon+1);
5994 pNextPos = pNextPos + strlen(pNextPos);
5995 pData = pData + 1;
5996 break;
5998 case TOK_q :
5999 sprintf(pNextPos, "%d", ((TM.tm_mon+1)/4)+1);
6000 pNextPos = pNextPos + strlen(pNextPos);
6001 pData = pData + 1;
6002 break;
6004 case TOK_y :
6005 sprintf(pNextPos, "%2.2d", TM.tm_yday+1);
6006 pNextPos = pNextPos + strlen(pNextPos);
6007 pData = pData + 1;
6008 break;
6010 case TOK_yy :
6011 sprintf(pNextPos, "%2.2d", TM.tm_year);
6012 pNextPos = pNextPos + strlen(pNextPos);
6013 pData = pData + 1;
6014 break;
6016 case TOK_yyyy :
6017 sprintf(pNextPos, "%4.4d", TM.tm_year);
6018 pNextPos = pNextPos + strlen(pNextPos);
6019 pData = pData + 1;
6020 break;
6022 case TOK_h :
6023 sprintf(pNextPos, "%d", TM.tm_hour);
6024 pNextPos = pNextPos + strlen(pNextPos);
6025 pData = pData + 1;
6026 break;
6028 case TOK_Hh :
6029 sprintf(pNextPos, "%2.2d", TM.tm_hour);
6030 pNextPos = pNextPos + strlen(pNextPos);
6031 pData = pData + 1;
6032 break;
6034 case TOK_N :
6035 sprintf(pNextPos, "%d", TM.tm_min);
6036 pNextPos = pNextPos + strlen(pNextPos);
6037 pData = pData + 1;
6038 break;
6040 case TOK_Nn :
6041 sprintf(pNextPos, "%2.2d", TM.tm_min);
6042 pNextPos = pNextPos + strlen(pNextPos);
6043 pData = pData + 1;
6044 break;
6046 case TOK_S :
6047 sprintf(pNextPos, "%d", TM.tm_sec);
6048 pNextPos = pNextPos + strlen(pNextPos);
6049 pData = pData + 1;
6050 break;
6052 case TOK_Ss :
6053 sprintf(pNextPos, "%2.2d", TM.tm_sec);
6054 pNextPos = pNextPos + strlen(pNextPos);
6055 pData = pData + 1;
6056 break;
6058 /* FIXME: To Do! */
6059 case TOK_ttttt :
6060 case TOK_AMsPM :
6061 case TOK_amspm :
6062 case TOK_AsP :
6063 case TOK_asp :
6064 case TOK_AMPM :
6065 case TOK_c :
6066 case TOK_ddd :
6067 case TOK_dddd :
6068 case TOK_ddddd :
6069 case TOK_dddddd :
6070 case TOK_ww :
6071 case TOK_mmm :
6072 case TOK_mmmm :
6073 default:
6074 FIXME("Unhandled token for VarFormat %d\n", *pData);
6075 HeapFree( GetProcessHeap(), 0, pFormatA );
6076 return E_INVALIDARG;
6081 *pbstrOut = StringDupAtoBstr( output );
6082 HeapFree( GetProcessHeap(), 0, pFormatA );
6083 return S_OK;
6086 /**********************************************************************
6087 * VarFormat [OLEAUT32.87]
6090 HRESULT WINAPI VarFormat(LPVARIANT varIn, LPOLESTR format,
6091 int firstDay, int firstWeek, ULONG dwFlags,
6092 BSTR *pbstrOut) {
6094 LPSTR pNewString = NULL;
6095 HRESULT rc = S_OK;
6097 TRACE("mostly stub! format='%s' day=%d, wk=%d, flags=%ld\n",
6098 debugstr_w(format), firstDay, firstWeek, dwFlags);
6099 TRACE("varIn:\n");
6100 dump_Variant(varIn);
6102 /* Note: Must Handle references type Variants (contain ptrs
6103 to values rather than values */
6105 /* Get format string */
6106 pNewString = HEAP_strdupWtoA( GetProcessHeap(), 0, format );
6108 /* FIXME: Handle some simple pre-definted format strings : */
6109 if (((V_VT(varIn)&VT_TYPEMASK) == VT_CY) && (lstrcmpiA(pNewString, "Currency") == 0)) {
6111 /* Can't use VarBstrFromCy as it does not put currency sign on nor decimal places */
6112 double curVal;
6115 /* Handle references type Variants (contain ptrs to values rather than values */
6116 if (V_VT(varIn)&VT_BYREF) {
6117 rc = VarR8FromCy(*(CY *)V_UNION(varIn,byref), &curVal);
6118 } else {
6119 rc = VarR8FromCy(V_UNION(varIn,cyVal), &curVal);
6122 if (rc == S_OK) {
6123 char tmpStr[BUFFER_MAX];
6124 sprintf(tmpStr, "%f", curVal);
6125 if (GetCurrencyFormatA(GetUserDefaultLCID(), dwFlags, tmpStr, NULL, pBuffer, BUFFER_MAX) == 0) {
6126 return E_FAIL;
6127 } else {
6128 *pbstrOut = StringDupAtoBstr( pBuffer );
6132 } else if ((V_VT(varIn)&VT_TYPEMASK) == VT_DATE) {
6134 /* Attempt to do proper formatting! */
6135 int firstToken = -1;
6137 rc = VarTokenizeFormatString(format, pBuffer, sizeof(pBuffer), firstDay,
6138 firstWeek, GetUserDefaultLCID(), &firstToken);
6139 if (rc==S_OK) {
6140 rc = VarFormatFromTokens(varIn, format, pBuffer, dwFlags, pbstrOut, GetUserDefaultLCID());
6143 } else if ((V_VT(varIn)&VT_TYPEMASK) == VT_R8) {
6144 if (V_VT(varIn)&VT_BYREF) {
6145 sprintf(pBuffer, "%f", *V_UNION(varIn,pdblVal));
6146 } else {
6147 sprintf(pBuffer, "%f", V_UNION(varIn,dblVal));
6149 *pbstrOut = StringDupAtoBstr( pBuffer );
6150 } else if ((V_VT(varIn)&VT_TYPEMASK) == VT_I2) {
6151 if (V_VT(varIn)&VT_BYREF) {
6152 sprintf(pBuffer, "%d", *V_UNION(varIn,piVal));
6153 } else {
6154 sprintf(pBuffer, "%d", V_UNION(varIn,iVal));
6156 *pbstrOut = StringDupAtoBstr( pBuffer );
6157 } else if ((V_VT(varIn)&VT_TYPEMASK) == VT_BSTR) {
6158 if (V_VT(varIn)&VT_BYREF)
6159 *pbstrOut = SysAllocString( *V_UNION(varIn,pbstrVal) );
6160 else
6161 *pbstrOut = SysAllocString( V_UNION(varIn,bstrVal) );
6162 } else {
6163 FIXME("VarFormat: Unsupported format %d!\n", V_VT(varIn)&VT_TYPEMASK);
6164 *pbstrOut = StringDupAtoBstr( "??" );
6167 /* Free allocated storage */
6168 HeapFree( GetProcessHeap(), 0, pNewString );
6169 TRACE("result: '%s'\n", debugstr_w(*pbstrOut));
6170 return rc;
6173 /**********************************************************************
6174 * VarCyMulI4 [OLEAUT32.304]
6175 * Multiply currency value by integer
6177 HRESULT WINAPI VarCyMulI4(CY cyIn, LONG mulBy, CY *pcyOut) {
6179 double cyVal = 0;
6180 HRESULT rc = S_OK;
6182 rc = VarR8FromCy(cyIn, &cyVal);
6183 if (rc == S_OK) {
6184 rc = VarCyFromR8((cyVal * (double) mulBy), pcyOut);
6185 TRACE("Multiply %f by %ld = %f [%ld,%lu]\n", cyVal, mulBy, (cyVal * (double) mulBy),
6186 pcyOut->s.Hi, pcyOut->s.Lo);
6188 return rc;