dlls/krnl386.exe16/file.c

   1 /*
   2  * File handling functions
   3  *
   4  * Copyright 1993 John Burton
   5  * Copyright 1996 Alexandre Julliard
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  *
  21  * TODO:
  22  *    Fix the CopyFileEx methods to implement the "extended" functionality.
  23  *    Right now, they simply call the CopyFile method.
  24  */
  25
  26 #include "config.h"
  27 #include "wine/port.h"
  28
  29 #include <stdarg.h>
  30 #include <stdio.h>
  31 #include <assert.h>
  32
  33 #define NONAMELESSUNION
  34 #define NONAMELESSSTRUCT
  35 #include "winerror.h"
  36 #include "windef.h"
  37 #include "winbase.h"
  38 #include "winternl.h"
  39 #include "wine/winbase16.h"
  40 #include "kernel16_private.h"
  41 #include "wine/unicode.h"
  42 #include "wine/debug.h"
  43
  44 WINE_DEFAULT_DEBUG_CHANNEL(file);
  45
  46 #define DOS_TABLE_SIZE 256
  47
  48 static HANDLE dos_handles[DOS_TABLE_SIZE];
  49
  50 /***********************************************************************
  51  *           FILE_InitProcessDosHandles
  52  *
  53  * Allocates the default DOS handles for a process. Called either by
  54  * Win32HandleToDosFileHandle below or by the DOSVM stuff.
  55  */
  56 static void FILE_InitProcessDosHandles( void )
  57 {
  58     static BOOL init_done /* = FALSE */;
  59     HANDLE cp = GetCurrentProcess();
  60
  61     if (init_done) return;
  62     init_done = TRUE;
  63     DuplicateHandle(cp, GetStdHandle(STD_INPUT_HANDLE), cp, &dos_handles[0],
  64                     0, TRUE, DUPLICATE_SAME_ACCESS);
  65     DuplicateHandle(cp, GetStdHandle(STD_OUTPUT_HANDLE), cp, &dos_handles[1],
  66                     0, TRUE, DUPLICATE_SAME_ACCESS);
  67     DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[2],
  68                     0, TRUE, DUPLICATE_SAME_ACCESS);
  69     DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[3],
  70                     0, TRUE, DUPLICATE_SAME_ACCESS);
  71     DuplicateHandle(cp, GetStdHandle(STD_ERROR_HANDLE), cp, &dos_handles[4],
  72                     0, TRUE, DUPLICATE_SAME_ACCESS);
  73 }
  74
  75 /***********************************************************************
  76  *           DosFileHandleToWin32Handle   (KERNEL32.20)
  77  *
  78  * Return the Win32 handle for a DOS handle.
  79  *
  80  * Note: this is not exactly right, since on Win95 the Win32 handles
  81  *       are on top of DOS handles and we do it the other way
  82  *       around. Should be good enough though.
  83  */
  84 HANDLE WINAPI DosFileHandleToWin32Handle( HFILE handle )
  85 {
  86     HFILE16 hfile = (HFILE16)handle;
  87     if (hfile < 5) FILE_InitProcessDosHandles();
  88     if ((hfile >= DOS_TABLE_SIZE) || !dos_handles[hfile])
  89     {
  90         SetLastError( ERROR_INVALID_HANDLE );
  91         return INVALID_HANDLE_VALUE;
  92     }
  93     return dos_handles[hfile];
  94 }
  95
  96 /***********************************************************************
  97  *           Win32HandleToDosFileHandle   (KERNEL32.21)
  98  *
  99  * Allocate a DOS handle for a Win32 handle. The Win32 handle is no
 100  * longer valid after this function (even on failure).
 101  *
 102  * Note: this is not exactly right, since on Win95 the Win32 handles
 103  *       are on top of DOS handles and we do it the other way
 104  *       around. Should be good enough though.
 105  */
 106 HFILE WINAPI Win32HandleToDosFileHandle( HANDLE handle )
 107 {
 108     int i;
 109
 110     if (!handle || (handle == INVALID_HANDLE_VALUE))
 111         return HFILE_ERROR;
 112
 113     FILE_InitProcessDosHandles();
 114     for (i = 0; i < DOS_TABLE_SIZE; i++)
 115         if (!dos_handles[i])
 116         {
 117             dos_handles[i] = handle;
 118             TRACE("Got %d for h32 %p\n", i, handle );
 119             return (HFILE)i;
 120         }
 121     CloseHandle( handle );
 122     SetLastError( ERROR_TOO_MANY_OPEN_FILES );
 123     return HFILE_ERROR;
 124 }
 125
 126 /***********************************************************************
 127  *           DisposeLZ32Handle   (KERNEL32.22)
 128  *
 129  * Note: this is not entirely correct, we should only close the
 130  *       32-bit handle and not the 16-bit one, but we cannot do
 131  *       this because of the way our DOS handles are implemented.
 132  *       It shouldn't break anything though.
 133  */
 134 void WINAPI DisposeLZ32Handle( HANDLE handle )
 135 {
 136     int i;
 137
 138     if (!handle || (handle == INVALID_HANDLE_VALUE)) return;
 139
 140     for (i = 5; i < DOS_TABLE_SIZE; i++)
 141         if (dos_handles[i] == handle)
 142         {
 143             dos_handles[i] = 0;
 144             CloseHandle( handle );
 145             break;
 146         }
 147 }
 148
 149 /***********************************************************************
 150  *           GetProfileInt   (KERNEL.57)
 151  */
 152 UINT16 WINAPI GetProfileInt16( LPCSTR section, LPCSTR entry, INT16 def_val )
 153 {
 154     return GetPrivateProfileInt16( section, entry, def_val, "win.ini" );
 155 }
 156
 157
 158 /***********************************************************************
 159  *           GetProfileString   (KERNEL.58)
 160  */
 161 INT16 WINAPI GetProfileString16( LPCSTR section, LPCSTR entry, LPCSTR def_val,
 162                                  LPSTR buffer, UINT16 len )
 163 {
 164     return GetPrivateProfileString16( section, entry, def_val,
 165                                       buffer, len, "win.ini" );
 166 }
 167
 168
 169 /***********************************************************************
 170  *           WriteProfileString   (KERNEL.59)
 171  */
 172 BOOL16 WINAPI WriteProfileString16( LPCSTR section, LPCSTR entry,
 173                                     LPCSTR string )
 174 {
 175     return WritePrivateProfileString16( section, entry, string, "win.ini" );
 176 }
 177
 178
 179 /* get the search path for the current module; helper for OpenFile16 */
 180 static char *get_search_path(void)
 181 {
 182     UINT len;
 183     char *ret, *p, module[OFS_MAXPATHNAME];
 184
 185     module[0] = 0;
 186     if (GetCurrentTask() && GetModuleFileName16( GetCurrentTask(), module, sizeof(module) ))
 187     {
 188         if (!(p = strrchr( module, '\\' ))) p = module;
 189         *p = 0;
 190     }
 191
 192     len = (2 +                                              /* search order: first current dir */
 193            GetSystemDirectory16( NULL, 0 ) + 1 +            /* then system dir */
 194            GetWindowsDirectoryA( NULL, 0 ) + 1 +            /* then windows dir */
 195            strlen( module ) + 1 +                           /* then module path */
 196            GetEnvironmentVariableA( "PATH", NULL, 0 ) + 1); /* then look in PATH */
 197     if (!(ret = HeapAlloc( GetProcessHeap(), 0, len ))) return NULL;
 198     strcpy( ret, ".;" );
 199     p = ret + 2;
 200     GetSystemDirectory16( p, ret + len - p );
 201     p += strlen( p );
 202     *p++ = ';';
 203     GetWindowsDirectoryA( p, ret + len - p );
 204     p += strlen( p );
 205     *p++ = ';';
 206     if (module[0])
 207     {
 208         strcpy( p, module );
 209         p += strlen( p );
 210         *p++ = ';';
 211     }
 212     GetEnvironmentVariableA( "PATH", p, ret + len - p );
 213     return ret;
 214 }
 215
 216 /***********************************************************************
 217  *           OpenFile   (KERNEL.74)
 218  *           OpenFileEx (KERNEL.360)
 219  */
 220 HFILE16 WINAPI OpenFile16( LPCSTR name, OFSTRUCT *ofs, UINT16 mode )
 221 {
 222     HFILE hFileRet;
 223     HANDLE handle;
 224     FILETIME filetime;
 225     WORD filedatetime[2];
 226     const char *p, *filename;
 227
 228     if (!ofs) return HFILE_ERROR;
 229
 230     TRACE("%s %s %s %s%s%s%s%s%s%s%s%s\n",debugstr_a(name),
 231           ((mode & 0x3 )==OF_READ)?"OF_READ":
 232           ((mode & 0x3 )==OF_WRITE)?"OF_WRITE":
 233           ((mode & 0x3 )==OF_READWRITE)?"OF_READWRITE":"unknown",
 234           ((mode & 0x70 )==OF_SHARE_COMPAT)?"OF_SHARE_COMPAT":
 235           ((mode & 0x70 )==OF_SHARE_DENY_NONE)?"OF_SHARE_DENY_NONE":
 236           ((mode & 0x70 )==OF_SHARE_DENY_READ)?"OF_SHARE_DENY_READ":
 237           ((mode & 0x70 )==OF_SHARE_DENY_WRITE)?"OF_SHARE_DENY_WRITE":
 238           ((mode & 0x70 )==OF_SHARE_EXCLUSIVE)?"OF_SHARE_EXCLUSIVE":"unknown",
 239           ((mode & OF_PARSE )==OF_PARSE)?"OF_PARSE ":"",
 240           ((mode & OF_DELETE )==OF_DELETE)?"OF_DELETE ":"",
 241           ((mode & OF_VERIFY )==OF_VERIFY)?"OF_VERIFY ":"",
 242           ((mode & OF_SEARCH )==OF_SEARCH)?"OF_SEARCH ":"",
 243           ((mode & OF_CANCEL )==OF_CANCEL)?"OF_CANCEL ":"",
 244           ((mode & OF_CREATE )==OF_CREATE)?"OF_CREATE ":"",
 245           ((mode & OF_PROMPT )==OF_PROMPT)?"OF_PROMPT ":"",
 246           ((mode & OF_EXIST )==OF_EXIST)?"OF_EXIST ":"",
 247           ((mode & OF_REOPEN )==OF_REOPEN)?"OF_REOPEN ":""
 248         );
 249
 250     if (mode & OF_PARSE)
 251     {
 252         OpenFile( name, ofs, mode );
 253         return 0;
 254     }
 255
 256     if (mode & OF_CREATE)
 257     {
 258         handle = (HANDLE)OpenFile( name, ofs, mode );
 259         if (handle == (HANDLE)HFILE_ERROR) goto error;
 260     }
 261     else
 262     {
 263         ofs->cBytes = sizeof(OFSTRUCT);
 264         ofs->nErrCode = 0;
 265         if (mode & OF_REOPEN) name = ofs->szPathName;
 266
 267         if (!name) return HFILE_ERROR;
 268
 269         /* the watcom 10.6 IDE relies on a valid path returned in ofs->szPathName
 270            Are there any cases where getting the path here is wrong?
 271            Uwe Bonnes 1997 Apr 2 */
 272         if (!GetFullPathNameA( name, sizeof(ofs->szPathName), ofs->szPathName, NULL )) goto error;
 273
 274         /* If OF_SEARCH is set, ignore the given path */
 275
 276         filename = name;
 277         if ((mode & OF_SEARCH) && !(mode & OF_REOPEN))
 278         {
 279             /* First try the file name as is */
 280             if (GetFileAttributesA( filename ) != INVALID_FILE_ATTRIBUTES) filename = NULL;
 281             else
 282             {
 283                 /* Now remove the path */
 284                 if (filename[0] && (filename[1] == ':')) filename += 2;
 285                 if ((p = strrchr( filename, '\\' ))) filename = p + 1;
 286                 if ((p = strrchr( filename, '/' ))) filename = p + 1;
 287                 if (!filename[0])
 288                 {
 289                     SetLastError( ERROR_FILE_NOT_FOUND );
 290                     goto error;
 291                 }
 292             }
 293         }
 294
 295         /* Now look for the file */
 296
 297         if (filename)
 298         {
 299             BOOL found;
 300             char *path = get_search_path();
 301
 302             if (!path) goto error;
 303             found = SearchPathA( path, filename, NULL, sizeof(ofs->szPathName),
 304                                  ofs->szPathName, NULL );
 305             HeapFree( GetProcessHeap(), 0, path );
 306             if (!found) goto error;
 307         }
 308
 309         TRACE("found %s\n", debugstr_a(ofs->szPathName) );
 310
 311         if (mode & OF_DELETE)
 312         {
 313             if (!DeleteFileA( ofs->szPathName )) goto error;
 314             TRACE("(%s): OF_DELETE return = OK\n", name);
 315             return 1;
 316         }
 317
 318         handle = (HANDLE)_lopen( ofs->szPathName, mode );
 319         if (handle == INVALID_HANDLE_VALUE) goto error;
 320
 321         GetFileTime( handle, NULL, NULL, &filetime );
 322         FileTimeToDosDateTime( &filetime, &filedatetime[0], &filedatetime[1] );
 323         if ((mode & OF_VERIFY) && (mode & OF_REOPEN))
 324         {
 325             if (ofs->Reserved1 != filedatetime[0] || ofs->Reserved2 != filedatetime[1] )
 326             {
 327                 CloseHandle( handle );
 328                 WARN("(%s): OF_VERIFY failed\n", name );
 329                 /* FIXME: what error here? */
 330                 SetLastError( ERROR_FILE_NOT_FOUND );
 331                 goto error;
 332             }
 333         }
 334         ofs->Reserved1 = filedatetime[0];
 335         ofs->Reserved2 = filedatetime[1];
 336     }
 337
 338     TRACE("(%s): OK, return = %p\n", name, handle );
 339     hFileRet = Win32HandleToDosFileHandle( handle );
 340     if (hFileRet == HFILE_ERROR16) goto error;
 341     if (mode & OF_EXIST) _lclose16( hFileRet ); /* Return the handle, but close it first */
 342     return hFileRet;
 343
 344 error:  /* We get here if there was an error opening the file */
 345     ofs->nErrCode = GetLastError();
 346     WARN("(%s): return = HFILE_ERROR error= %d\n", name,ofs->nErrCode );
 347     return HFILE_ERROR16;
 348 }
 349
 350
 351 /***********************************************************************
 352  *           _lclose   (KERNEL.81)
 353  */
 354 HFILE16 WINAPI _lclose16( HFILE16 hFile )
 355 {
 356     if ((hFile >= DOS_TABLE_SIZE) || !dos_handles[hFile])
 357     {
 358         SetLastError( ERROR_INVALID_HANDLE );
 359         return HFILE_ERROR16;
 360     }
 361     TRACE("%d (handle32=%p)\n", hFile, dos_handles[hFile] );
 362     CloseHandle( dos_handles[hFile] );
 363     dos_handles[hFile] = 0;
 364     return 0;
 365 }
 366
 367 /***********************************************************************
 368  *           _lcreat   (KERNEL.83)
 369  */
 370 HFILE16 WINAPI _lcreat16( LPCSTR path, INT16 attr )
 371 {
 372     return Win32HandleToDosFileHandle( (HANDLE)_lcreat( path, attr ) );
 373 }
 374
 375 /***********************************************************************
 376  *           _llseek   (KERNEL.84)
 377  *
 378  * FIXME:
 379  *   Seeking before the start of the file should be allowed for _llseek16,
 380  *   but cause subsequent I/O operations to fail (cf. interrupt list)
 381  *
 382  */
 383 LONG WINAPI _llseek16( HFILE16 hFile, LONG lOffset, INT16 nOrigin )
 384 {
 385     return SetFilePointer( DosFileHandleToWin32Handle(hFile), lOffset, NULL, nOrigin );
 386 }
 387
 388
 389 /***********************************************************************
 390  *           _lopen   (KERNEL.85)
 391  */
 392 HFILE16 WINAPI _lopen16( LPCSTR path, INT16 mode )
 393 {
 394     return Win32HandleToDosFileHandle( (HANDLE)_lopen( path, mode ) );
 395 }
 396
 397
 398 /***********************************************************************
 399  *           _lread16   (KERNEL.82)
 400  */
 401 UINT16 WINAPI _lread16( HFILE16 hFile, LPVOID buffer, UINT16 count )
 402 {
 403     return (UINT16)_lread((HFILE)DosFileHandleToWin32Handle(hFile), buffer, (LONG)count );
 404 }
 405
 406
 407 /***********************************************************************
 408  *           _lwrite   (KERNEL.86)
 409  */
 410 UINT16 WINAPI _lwrite16( HFILE16 hFile, LPCSTR buffer, UINT16 count )
 411 {
 412     return (UINT16)_hwrite( (HFILE)DosFileHandleToWin32Handle(hFile), buffer, (LONG)count );
 413 }
 414
 415 /***********************************************************************
 416  *           _hread (KERNEL.349)
 417  */
 418 LONG WINAPI WIN16_hread( HFILE16 hFile, SEGPTR buffer, LONG count )
 419 {
 420     LONG maxlen;
 421
 422     TRACE("%d %08x %d\n", hFile, (DWORD)buffer, count );
 423
 424     /* Some programs pass a count larger than the allocated buffer */
 425     maxlen = GetSelectorLimit16( SELECTOROF(buffer) ) - OFFSETOF(buffer) + 1;
 426     if (count > maxlen) count = maxlen;
 427     return _lread((HFILE)DosFileHandleToWin32Handle(hFile), MapSL(buffer), count );
 428 }
 429
 430
 431 /***********************************************************************
 432  *           _lread (KERNEL.82)
 433  */
 434 UINT16 WINAPI WIN16_lread( HFILE16 hFile, SEGPTR buffer, UINT16 count )
 435 {
 436     return (UINT16)WIN16_hread( hFile, buffer, (LONG)count );
 437 }
 438
 439
 440 /***********************************************************************
 441  *           _hwrite   (KERNEL.350)
 442  */
 443 LONG WINAPI _hwrite16( HFILE16 hFile, LPCSTR buffer, LONG count )
 444 {
 445     return _hwrite( (HFILE)DosFileHandleToWin32Handle(hFile), buffer, count );
 446 }
 447
 448
 449 /***********************************************************************
 450  *           GetTempDrive   (KERNEL.92)
 451  * A closer look at krnl386.exe shows what the SDK doesn't mention:
 452  *
 453  * returns:
 454  *   AL: driveletter
 455  *   AH: ':'            - yes, some kernel code even does stosw with
 456  *                            the returned AX.
 457  *   DX: 1 for success
 458  */
 459 UINT WINAPI GetTempDrive( BYTE ignored )
 460 {
 461     WCHAR buffer[8];
 462     BYTE ret;
 463
 464     if (GetTempPathW( 8, buffer )) ret = (BYTE)toupperW(buffer[0]);
 465     else ret = 'C';
 466     return MAKELONG( ret | (':' << 8), 1 );
 467 }
 468
 469
 470 /***********************************************************************
 471  *           GetTempFileName   (KERNEL.97)
 472  */
 473 UINT16 WINAPI GetTempFileName16( BYTE drive, LPCSTR prefix, UINT16 unique,
 474                                  LPSTR buffer )
 475 {
 476     char temppath[MAX_PATH];
 477     char *prefix16 = NULL;
 478     UINT16 ret;
 479
 480     if (!(drive & ~TF_FORCEDRIVE)) /* drive 0 means current default drive */
 481     {
 482         GetCurrentDirectoryA(sizeof(temppath), temppath);
 483         drive |= temppath[0];
 484     }
 485
 486     if (drive & TF_FORCEDRIVE)
 487     {
 488         char    d[3];
 489
 490         d[0] = drive & ~TF_FORCEDRIVE;
 491         d[1] = ':';
 492         d[2] = '\0';
 493         if (GetDriveTypeA(d) == DRIVE_NO_ROOT_DIR)
 494         {
 495             drive &= ~TF_FORCEDRIVE;
 496             WARN("invalid drive %d specified\n", drive );
 497         }
 498     }
 499
 500     if (drive & TF_FORCEDRIVE)
 501         sprintf(temppath,"%c:", drive & ~TF_FORCEDRIVE );
 502     else
 503         GetTempPathA( MAX_PATH, temppath );
 504
 505     if (prefix)
 506     {
 507         prefix16 = HeapAlloc(GetProcessHeap(), 0, strlen(prefix) + 2);
 508         *prefix16 = '~';
 509         strcpy(prefix16 + 1, prefix);
 510     }
 511
 512     ret = GetTempFileNameA( temppath, prefix16, unique, buffer );
 513
 514     HeapFree(GetProcessHeap(), 0, prefix16);
 515     return ret;
 516 }
 517
 518
 519 /***********************************************************************
 520  *           GetPrivateProfileInt   (KERNEL.127)
 521  */
 522 UINT16 WINAPI GetPrivateProfileInt16( LPCSTR section, LPCSTR entry,
 523                                       INT16 def_val, LPCSTR filename )
 524 {
 525     /* we used to have some elaborate return value limitation (<= -32768 etc.)
 526      * here, but Win98SE doesn't care about this at all, so I deleted it.
 527      * AFAIR versions prior to Win9x had these limits, though. */
 528     return (INT16)GetPrivateProfileIntA(section,entry,def_val,filename);
 529 }
 530
 531
 532 /***********************************************************************
 533  *           GetPrivateProfileString   (KERNEL.128)
 534  */
 535 INT16 WINAPI GetPrivateProfileString16( LPCSTR section, LPCSTR entry,
 536                                         LPCSTR def_val, LPSTR buffer,
 537                                         UINT16 len, LPCSTR filename )
 538 {
 539     if (!section)
 540     {
 541         if (buffer && len) buffer[0] = 0;
 542         return 0;
 543     }
 544     if (!entry)
 545     {
 546         /* We have to return the list of keys in the section but without the values
 547          * so we need to massage the results of GetPrivateProfileSectionA.
 548          */
 549         UINT ret, oldlen = len, size = min( len, 1024 );
 550         LPSTR data, src;
 551
 552         for (;;)
 553         {
 554             if (!(data = HeapAlloc(GetProcessHeap(), 0, size ))) return 0;
 555             ret = GetPrivateProfileSectionA( section, data, size, filename );
 556             if (!ret)
 557             {
 558                 if (len) *buffer = 0;
 559                 HeapFree( GetProcessHeap(), 0, data );
 560                 return 0;
 561             }
 562             if (ret != size - 2) break;
 563             /* overflow, try again */
 564             size *= 2;
 565             HeapFree( GetProcessHeap(), 0, data );
 566         }
 567
 568         src = data;
 569         while (len && *src)
 570         {
 571             char *p = strchr( src, '=' );
 572
 573             if (!p) p = src + strlen(src);
 574             if (p - src < len)
 575             {
 576                 memcpy( buffer, src, p - src );
 577                 buffer += p - src;
 578                 *buffer++ = 0;
 579                 len -= (p - src) + 1;
 580                 src += strlen(src) + 1;
 581             }
 582             else  /* overflow */
 583             {
 584                 memcpy( buffer, src, len );
 585                 buffer += len;
 586                 len = 0;
 587             }
 588         }
 589         HeapFree( GetProcessHeap(), 0, data );
 590
 591         if (len)
 592         {
 593             *buffer = 0;
 594             return oldlen - len;
 595         }
 596         if (oldlen > 2)
 597         {
 598             buffer[-2] = 0;
 599             buffer[-1] = 0;
 600             return oldlen - 2;
 601         }
 602         return 0;
 603     }
 604     return GetPrivateProfileStringA( section, entry, def_val, buffer, len, filename );
 605 }
 606
 607
 608 /***********************************************************************
 609  *           WritePrivateProfileString   (KERNEL.129)
 610  */
 611 BOOL16 WINAPI WritePrivateProfileString16( LPCSTR section, LPCSTR entry,
 612                                            LPCSTR string, LPCSTR filename )
 613 {
 614     return WritePrivateProfileStringA(section,entry,string,filename);
 615 }
 616
 617
 618 /***********************************************************************
 619  *           GetWindowsDirectory   (KERNEL.134)
 620  */
 621 UINT16 WINAPI GetWindowsDirectory16( LPSTR path, UINT16 count )
 622 {
 623     return GetWindowsDirectoryA( path, count );
 624 }
 625
 626
 627 /***********************************************************************
 628  *           GetSystemDirectory   (KERNEL.135)
 629  */
 630 UINT16 WINAPI GetSystemDirectory16( LPSTR path, UINT16 count )
 631 {
 632     static const char * system16 = "\\SYSTEM";
 633     char windir[MAX_PATH];
 634     UINT16 len;
 635
 636     len = GetWindowsDirectory16(windir, sizeof(windir) - sizeof(system16)) + sizeof(system16);
 637     if (count >= len)
 638     {
 639         lstrcpyA(path, windir);
 640         lstrcatA(path, system16);
 641         len--;  /* space for the terminating zero is not included on success */
 642     }
 643     return len;
 644 }
 645
 646
 647 /***********************************************************************
 648  *           GetDriveType   (KERNEL.136)
 649  * Get the type of a drive in Win16.
 650  *
 651  * RETURNS
 652  *  The type of the Drive. For a list see GetDriveTypeW from kernel32.
 653  *
 654  * NOTES
 655  *  Note that it returns DRIVE_REMOTE for CD-ROMs, since MSCDEX uses the
 656  *  remote drive API. The return value DRIVE_REMOTE for CD-ROMs has been
 657  *  verified on Win 3.11 and Windows 95. Some programs rely on it, so don't
 658  *  do any pseudo-clever changes.
 659  */
 660 UINT16 WINAPI GetDriveType16( UINT16 drive ) /* [in] number (NOT letter) of drive */
 661 {
 662     UINT type;
 663     WCHAR root[3];
 664
 665     root[0] = 'A' + drive;
 666     root[1] = ':';
 667     root[2] = 0;
 668     type = GetDriveTypeW( root );
 669     if (type == DRIVE_CDROM) type = DRIVE_REMOTE;
 670     else if (type == DRIVE_NO_ROOT_DIR) type = DRIVE_UNKNOWN;
 671     return type;
 672 }
 673
 674
 675 /***********************************************************************
 676  *           GetProfileSectionNames   (KERNEL.142)
 677  */
 678 WORD WINAPI GetProfileSectionNames16(LPSTR buffer, WORD size)
 679
 680 {
 681     return GetPrivateProfileSectionNamesA(buffer,size,"win.ini");
 682 }
 683
 684
 685 /***********************************************************************
 686  *           GetPrivateProfileSectionNames   (KERNEL.143)
 687  */
 688 WORD WINAPI GetPrivateProfileSectionNames16( LPSTR buffer, WORD size,
 689                                              LPCSTR filename )
 690 {
 691     return GetPrivateProfileSectionNamesA(buffer,size,filename);
 692 }
 693
 694
 695 /***********************************************************************
 696  *           CreateDirectory   (KERNEL.144)
 697  */
 698 BOOL16 WINAPI CreateDirectory16( LPCSTR path, LPVOID dummy )
 699 {
 700     return CreateDirectoryA( path, NULL );
 701 }
 702
 703
 704 /***********************************************************************
 705  *           RemoveDirectory   (KERNEL.145)
 706  */
 707 BOOL16 WINAPI RemoveDirectory16( LPCSTR path )
 708 {
 709     return RemoveDirectoryA( path );
 710 }
 711
 712
 713 /***********************************************************************
 714  *           DeleteFile   (KERNEL.146)
 715  */
 716 BOOL16 WINAPI DeleteFile16( LPCSTR path )
 717 {
 718     return DeleteFileA( path );
 719 }
 720
 721
 722 /***********************************************************************
 723  *           SetHandleCount   (KERNEL.199)
 724  */
 725 UINT16 WINAPI SetHandleCount16( UINT16 count )
 726 {
 727     return SetHandleCount( count );
 728 }
 729
 730
 731 /***********************************************************************
 732  *           GetShortPathName   (KERNEL.274)
 733  */
 734 WORD WINAPI GetShortPathName16( LPCSTR longpath, LPSTR shortpath, WORD len )
 735 {
 736     return GetShortPathNameA( longpath, shortpath, len );
 737 }
 738
 739
 740 /***********************************************************************
 741  *           WriteOutProfiles   (KERNEL.315)
 742  */
 743 void WINAPI WriteOutProfiles16(void)
 744 {
 745     WritePrivateProfileSectionW( NULL, NULL, NULL );
 746 }
 747
 748
 749 /***********************************************************************
 750  *           WritePrivateProfileStruct (KERNEL.406)
 751  */
 752 BOOL16 WINAPI WritePrivateProfileStruct16 (LPCSTR section, LPCSTR key,
 753                                            LPVOID buf, UINT16 bufsize, LPCSTR filename)
 754 {
 755     return WritePrivateProfileStructA( section, key, buf, bufsize, filename );
 756 }
 757
 758
 759 /***********************************************************************
 760  *           GetPrivateProfileStruct (KERNEL.407)
 761  */
 762 BOOL16 WINAPI GetPrivateProfileStruct16(LPCSTR section, LPCSTR key,
 763                                         LPVOID buf, UINT16 len, LPCSTR filename)
 764 {
 765     return GetPrivateProfileStructA( section, key, buf, len, filename );
 766 }
 767
 768
 769 /***********************************************************************
 770  *           GetCurrentDirectory   (KERNEL.411)
 771  */
 772 UINT16 WINAPI GetCurrentDirectory16( UINT16 buflen, LPSTR buf )
 773 {
 774     return GetCurrentDirectoryA( buflen, buf );
 775 }
 776
 777
 778 /***********************************************************************
 779  *           SetCurrentDirectory   (KERNEL.412)
 780  */
 781 BOOL16 WINAPI SetCurrentDirectory16( LPCSTR dir )
 782 {
 783     char fulldir[MAX_PATH];
 784
 785     if (!GetFullPathNameA( dir, MAX_PATH, fulldir, NULL )) return FALSE;
 786
 787     if (!SetCurrentDirectoryA( dir )) return FALSE;
 788
 789     if (fulldir[0] && fulldir[1] == ':')
 790     {
 791         TDB *pTask = GlobalLock16( GetCurrentTask() );
 792         char env_var[4] = "=A:";
 793
 794         env_var[1] = fulldir[0];
 795         SetEnvironmentVariableA( env_var, fulldir );
 796
 797         /* update the directory in the TDB */
 798         if (pTask)
 799         {
 800             pTask->curdrive = 0x80 | (fulldir[0] - 'A');
 801             GetShortPathNameA( fulldir + 2, pTask->curdir, sizeof(pTask->curdir) );
 802         }
 803     }
 804     return TRUE;
 805 }
 806
 807
 808 /*************************************************************************
 809  *           FindFirstFile   (KERNEL.413)
 810  */
 811 HANDLE16 WINAPI FindFirstFile16( LPCSTR path, WIN32_FIND_DATAA *data )
 812 {
 813     HGLOBAL16 h16;
 814     HANDLE handle, *ptr;
 815
 816     if (!(h16 = GlobalAlloc16( GMEM_MOVEABLE, sizeof(handle) ))) return INVALID_HANDLE_VALUE16;
 817     ptr = GlobalLock16( h16 );
 818     *ptr = handle = FindFirstFileA( path, data );
 819     GlobalUnlock16( h16 );
 820
 821     if (handle == INVALID_HANDLE_VALUE)
 822     {
 823         GlobalFree16( h16 );
 824         h16 = INVALID_HANDLE_VALUE16;
 825     }
 826     return h16;
 827 }
 828
 829
 830 /*************************************************************************
 831  *           FindNextFile   (KERNEL.414)
 832  */
 833 BOOL16 WINAPI FindNextFile16( HANDLE16 handle, WIN32_FIND_DATAA *data )
 834 {
 835     HANDLE *ptr;
 836     BOOL ret = FALSE;
 837
 838     if ((handle == INVALID_HANDLE_VALUE16) || !(ptr = GlobalLock16( handle )))
 839     {
 840         SetLastError( ERROR_INVALID_HANDLE );
 841         return ret;
 842     }
 843     ret = FindNextFileA( *ptr, data );
 844     GlobalUnlock16( handle );
 845     return ret;
 846 }
 847
 848
 849 /*************************************************************************
 850  *           FindClose   (KERNEL.415)
 851  */
 852 BOOL16 WINAPI FindClose16( HANDLE16 handle )
 853 {
 854     HANDLE *ptr;
 855
 856     if ((handle == INVALID_HANDLE_VALUE16) || !(ptr = GlobalLock16( handle )))
 857     {
 858         SetLastError( ERROR_INVALID_HANDLE );
 859         return FALSE;
 860     }
 861     FindClose( *ptr );
 862     GlobalUnlock16( handle );
 863     GlobalFree16( handle );
 864     return TRUE;
 865 }
 866
 867
 868 /***********************************************************************
 869  *           WritePrivateProfileSection   (KERNEL.416)
 870  */
 871 BOOL16 WINAPI WritePrivateProfileSection16( LPCSTR section,
 872                                             LPCSTR string, LPCSTR filename )
 873 {
 874     return WritePrivateProfileSectionA( section, string, filename );
 875 }
 876
 877
 878 /***********************************************************************
 879  *           WriteProfileSection   (KERNEL.417)
 880  */
 881 BOOL16 WINAPI WriteProfileSection16( LPCSTR section, LPCSTR keys_n_values)
 882 {
 883     return WritePrivateProfileSection16( section, keys_n_values, "win.ini");
 884 }
 885
 886
 887 /***********************************************************************
 888  *           GetPrivateProfileSection   (KERNEL.418)
 889  */
 890 INT16 WINAPI GetPrivateProfileSection16( LPCSTR section, LPSTR buffer,
 891                                          UINT16 len, LPCSTR filename )
 892 {
 893     return GetPrivateProfileSectionA( section, buffer, len, filename );
 894 }
 895
 896
 897 /***********************************************************************
 898  *           GetProfileSection   (KERNEL.419)
 899  */
 900 INT16 WINAPI GetProfileSection16( LPCSTR section, LPSTR buffer, UINT16 len )
 901 {
 902     return GetPrivateProfileSection16( section, buffer, len, "win.ini" );
 903 }
 904
 905
 906 /**************************************************************************
 907  *           GetFileAttributes   (KERNEL.420)
 908  */
 909 DWORD WINAPI GetFileAttributes16( LPCSTR name )
 910 {
 911     return GetFileAttributesA( name );
 912 }
 913
 914
 915 /**************************************************************************
 916  *              SetFileAttributes       (KERNEL.421)
 917  */
 918 BOOL16 WINAPI SetFileAttributes16( LPCSTR lpFileName, DWORD attributes )
 919 {
 920     return SetFileAttributesA( lpFileName, attributes );
 921 }
 922
 923
 924 /***********************************************************************
 925  *           GetDiskFreeSpace   (KERNEL.422)
 926  */
 927 BOOL16 WINAPI GetDiskFreeSpace16( LPCSTR root, LPDWORD cluster_sectors,
 928                                   LPDWORD sector_bytes, LPDWORD free_clusters,
 929                                   LPDWORD total_clusters )
 930 {
 931     return GetDiskFreeSpaceA( root, cluster_sectors, sector_bytes,
 932                                 free_clusters, total_clusters );
 933 }
 934
 935 /***********************************************************************
 936  *      FileCDR (KERNEL.130)
 937  */
 938 FARPROC16 WINAPI FileCDR16(FARPROC16 x)
 939 {
 940     FIXME("(%p): stub\n", x);
 941     return (FARPROC16)TRUE;
 942 }