dlls/msvcrt/wcs.c

   1 /*
   2  * msvcrt.dll wide-char functions
   3  *
   4  * Copyright 1999 Alexandre Julliard
   5  * Copyright 2000 Jon Griffiths
   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21 #include <limits.h>
  22 #include <stdio.h>
  23 #include "msvcrt.h"
  24 #include "winnls.h"
  25 #include "wine/unicode.h"
  26
  27 #include "msvcrt/stdio.h"
  28 #include "msvcrt/stdlib.h"
  29 #include "msvcrt/string.h"
  30 #include "msvcrt/wctype.h"
  31
  32 #include "wine/debug.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
  35
  36
  37 /* INTERNAL: MSVCRT_malloc() based wstrndup */
  38 MSVCRT_wchar_t* msvcrt_wstrndup(const MSVCRT_wchar_t *buf, unsigned int size)
  39 {
  40   MSVCRT_wchar_t* ret;
  41   unsigned int len = strlenW(buf), max_len;
  42
  43   max_len = size <= len? size : len + 1;
  44
  45   ret = MSVCRT_malloc(max_len * sizeof (MSVCRT_wchar_t));
  46   if (ret)
  47   {
  48     memcpy(ret,buf,max_len * sizeof (MSVCRT_wchar_t));
  49     ret[max_len] = 0;
  50   }
  51   return ret;
  52 }
  53
  54 /*********************************************************************
  55  *              _wcsdup (MSVCRT.@)
  56  */
  57 MSVCRT_wchar_t* _wcsdup( const MSVCRT_wchar_t* str )
  58 {
  59   MSVCRT_wchar_t* ret = NULL;
  60   if (str)
  61   {
  62     int size = (strlenW(str) + 1) * sizeof(MSVCRT_wchar_t);
  63     ret = MSVCRT_malloc( size );
  64     if (ret) memcpy( ret, str, size );
  65   }
  66   return ret;
  67 }
  68
  69 /*********************************************************************
  70  *              _wcsicoll (MSVCRT.@)
  71  */
  72 INT _wcsicoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
  73 {
  74   /* FIXME: handle collates */
  75   return strcmpiW( str1, str2 );
  76 }
  77
  78 /*********************************************************************
  79  *              _wcsnset (MSVCRT.@)
  80  */
  81 MSVCRT_wchar_t* _wcsnset( MSVCRT_wchar_t* str, MSVCRT_wchar_t c, MSVCRT_size_t n )
  82 {
  83   MSVCRT_wchar_t* ret = str;
  84   while ((n-- > 0) && *str) *str++ = c;
  85   return ret;
  86 }
  87
  88 /*********************************************************************
  89  *              _wcsrev (MSVCRT.@)
  90  */
  91 MSVCRT_wchar_t* _wcsrev( MSVCRT_wchar_t* str )
  92 {
  93   MSVCRT_wchar_t* ret = str;
  94   MSVCRT_wchar_t* end = str + strlenW(str) - 1;
  95   while (end > str)
  96   {
  97     MSVCRT_wchar_t t = *end;
  98     *end--  = *str;
  99     *str++  = t;
 100   }
 101   return ret;
 102 }
 103
 104 /*********************************************************************
 105  *              _wcsset (MSVCRT.@)
 106  */
 107 MSVCRT_wchar_t* _wcsset( MSVCRT_wchar_t* str, MSVCRT_wchar_t c )
 108 {
 109   MSVCRT_wchar_t* ret = str;
 110   while (*str) *str++ = c;
 111   return ret;
 112 }
 113
 114 /*********************************************************************
 115  *              _vsnwprintf (MSVCRT.@)
 116  */
 117 int _vsnwprintf(MSVCRT_wchar_t *str, unsigned int len,
 118                 const MSVCRT_wchar_t *format, va_list valist)
 119 {
 120     return vsnprintfW(str, len, format, valist);
 121 }
 122
 123 /*********************************************************************
 124  *              vswprintf (MSVCRT.@)
 125  */
 126 int MSVCRT_vswprintf( MSVCRT_wchar_t* str, const MSVCRT_wchar_t* format, va_list args )
 127 {
 128     return vsnprintfW( str, INT_MAX, format, args );
 129 }
 130
 131 /*********************************************************************
 132  *              wcscoll (MSVCRT.@)
 133  */
 134 int MSVCRT_wcscoll( const MSVCRT_wchar_t* str1, const MSVCRT_wchar_t* str2 )
 135 {
 136   /* FIXME: handle collates */
 137   return strcmpW( str1, str2 );
 138 }
 139
 140 /*********************************************************************
 141  *              wcspbrk (MSVCRT.@)
 142  */
 143 MSVCRT_wchar_t* MSVCRT_wcspbrk( const MSVCRT_wchar_t* str, const MSVCRT_wchar_t* accept )
 144 {
 145   const MSVCRT_wchar_t* p;
 146   while (*str)
 147   {
 148     for (p = accept; *p; p++) if (*p == *str) return (MSVCRT_wchar_t*)str;
 149       str++;
 150   }
 151   return NULL;
 152 }
 153
 154 /*********************************************************************
 155  *              wctomb (MSVCRT.@)
 156  */
 157 INT MSVCRT_wctomb( char *dst, MSVCRT_wchar_t ch )
 158 {
 159   return WideCharToMultiByte( CP_ACP, 0, &ch, 1, dst, 6, NULL, NULL );
 160 }
 161
 162 /*********************************************************************
 163  *              iswalnum (MSVCRT.@)
 164  */
 165 INT MSVCRT_iswalnum( MSVCRT_wchar_t wc )
 166 {
 167     return isalnumW( wc );
 168 }
 169
 170 /*********************************************************************
 171  *              iswalpha (MSVCRT.@)
 172  */
 173 INT MSVCRT_iswalpha( MSVCRT_wchar_t wc )
 174 {
 175     return isalphaW( wc );
 176 }
 177
 178 /*********************************************************************
 179  *              iswcntrl (MSVCRT.@)
 180  */
 181 INT MSVCRT_iswcntrl( MSVCRT_wchar_t wc )
 182 {
 183     return iscntrlW( wc );
 184 }
 185
 186 /*********************************************************************
 187  *              iswdigit (MSVCRT.@)
 188  */
 189 INT MSVCRT_iswdigit( MSVCRT_wchar_t wc )
 190 {
 191     return isdigitW( wc );
 192 }
 193
 194 /*********************************************************************
 195  *              iswgraph (MSVCRT.@)
 196  */
 197 INT MSVCRT_iswgraph( MSVCRT_wchar_t wc )
 198 {
 199     return isgraphW( wc );
 200 }
 201
 202 /*********************************************************************
 203  *              iswlower (MSVCRT.@)
 204  */
 205 INT MSVCRT_iswlower( MSVCRT_wchar_t wc )
 206 {
 207     return islowerW( wc );
 208 }
 209
 210 /*********************************************************************
 211  *              iswprint (MSVCRT.@)
 212  */
 213 INT MSVCRT_iswprint( MSVCRT_wchar_t wc )
 214 {
 215     return isprintW( wc );
 216 }
 217
 218 /*********************************************************************
 219  *              iswpunct (MSVCRT.@)
 220  */
 221 INT MSVCRT_iswpunct( MSVCRT_wchar_t wc )
 222 {
 223     return ispunctW( wc );
 224 }
 225
 226 /*********************************************************************
 227  *              iswspace (MSVCRT.@)
 228  */
 229 INT MSVCRT_iswspace( MSVCRT_wchar_t wc )
 230 {
 231     return isspaceW( wc );
 232 }
 233
 234 /*********************************************************************
 235  *              iswupper (MSVCRT.@)
 236  */
 237 INT MSVCRT_iswupper( MSVCRT_wchar_t wc )
 238 {
 239     return isupperW( wc );
 240 }
 241
 242 /*********************************************************************
 243  *              iswxdigit (MSVCRT.@)
 244  */
 245 INT MSVCRT_iswxdigit( MSVCRT_wchar_t wc )
 246 {
 247     return isxdigitW( wc );
 248 }