dlls/msvcrt/ctype.c

   1 /*
   2  * msvcrt.dll ctype functions
   3  *
   4  * Copyright 2000 Jon Griffiths
   5  *
   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.
  10  *
  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.
  15  *
  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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "msvcrt.h"
  22 #include "winnls.h"
  23 #include "wine/unicode.h"
  24
  25 /* Some abbreviations to make the following table readable */
  26 #define _C_ MSVCRT__CONTROL
  27 #define _S_ MSVCRT__SPACE
  28 #define _P_ MSVCRT__PUNCT
  29 #define _D_ MSVCRT__DIGIT
  30 #define _H_ MSVCRT__HEX
  31 #define _U_ MSVCRT__UPPER
  32 #define _L_ MSVCRT__LOWER
  33
  34 WORD MSVCRT__ctype [257] = {
  35   0, _C_, _C_, _C_, _C_, _C_, _C_, _C_, _C_, _C_, _S_|_C_, _S_|_C_,
  36   _S_|_C_, _S_|_C_, _S_|_C_, _C_, _C_, _C_, _C_, _C_, _C_, _C_, _C_,
  37   _C_, _C_, _C_, _C_, _C_, _C_, _C_, _C_, _C_, _C_, _S_|MSVCRT__BLANK,
  38   _P_, _P_, _P_, _P_, _P_, _P_, _P_, _P_, _P_, _P_, _P_, _P_, _P_, _P_,
  39   _P_, _D_|_H_, _D_|_H_, _D_|_H_, _D_|_H_, _D_|_H_, _D_|_H_, _D_|_H_,
  40   _D_|_H_, _D_|_H_, _D_|_H_, _P_, _P_, _P_, _P_, _P_, _P_, _P_, _U_|_H_,
  41   _U_|_H_, _U_|_H_, _U_|_H_, _U_|_H_, _U_|_H_, _U_, _U_, _U_, _U_, _U_,
  42   _U_, _U_, _U_, _U_, _U_, _U_, _U_, _U_, _U_, _U_, _U_, _U_, _U_, _U_,
  43   _U_, _P_, _P_, _P_, _P_, _P_, _P_, _L_|_H_, _L_|_H_, _L_|_H_, _L_|_H_,
  44   _L_|_H_, _L_|_H_, _L_, _L_, _L_, _L_, _L_, _L_, _L_, _L_, _L_, _L_,
  45   _L_, _L_, _L_, _L_, _L_, _L_, _L_, _L_, _L_, _L_, _P_, _P_, _P_, _P_,
  46   _C_, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  47   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  48   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  49   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  50   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  51   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
  52 };
  53
  54 /*********************************************************************
  55  *              __p__pctype (MSVCRT.@)
  56  */
  57 unsigned short** CDECL MSVCRT___p__pctype(void)
  58 {
  59     return &get_locinfo()->pctype;
  60 }
  61
  62 /*********************************************************************
  63  *              __pctype_func (MSVCRT.@)
  64  */
  65 const unsigned short* CDECL MSVCRT___pctype_func(void)
  66 {
  67     return get_locinfo()->pctype;
  68 }
  69
  70 /*********************************************************************
  71  *              _isctype_l (MSVCRT.@)
  72  */
  73 int CDECL MSVCRT__isctype_l(int c, int type, MSVCRT__locale_t locale)
  74 {
  75   MSVCRT_pthreadlocinfo locinfo;
  76
  77   if(!locale)
  78     locinfo = get_locinfo();
  79   else
  80     locinfo = locale->locinfo;
  81
  82   if (c >= -1 && c <= 255)
  83     return locinfo->pctype[c] & type;
  84
  85   if (locinfo->mb_cur_max != 1 && c > 0)
  86   {
  87     /* FIXME: Is there a faster way to do this? */
  88     WORD typeInfo;
  89     char convert[3], *pconv = convert;
  90
  91     if (locinfo->pctype[(UINT)c >> 8] & MSVCRT__LEADBYTE)
  92       *pconv++ = (UINT)c >> 8;
  93     *pconv++ = c & 0xff;
  94     *pconv = 0;
  95
  96     if (GetStringTypeExA(locinfo->lc_handle[MSVCRT_LC_CTYPE],
  97                 CT_CTYPE1, convert, convert[1] ? 2 : 1, &typeInfo))
  98       return typeInfo & type;
  99   }
 100   return 0;
 101 }
 102
 103 /*********************************************************************
 104  *              _isctype (MSVCRT.@)
 105  */
 106 int CDECL MSVCRT__isctype(int c, int type)
 107 {
 108     return MSVCRT__isctype_l(c, type, NULL);
 109 }
 110
 111 /*********************************************************************
 112  *              _isalnum_l (MSVCRT.@)
 113  */
 114 int CDECL MSVCRT__isalnum_l(int c, MSVCRT__locale_t locale)
 115 {
 116   return MSVCRT__isctype_l( c, MSVCRT__ALPHA | MSVCRT__DIGIT, locale );
 117 }
 118
 119 /*********************************************************************
 120  *              isalnum (MSVCRT.@)
 121  */
 122 int CDECL MSVCRT_isalnum(int c)
 123 {
 124   return MSVCRT__isctype( c, MSVCRT__ALPHA | MSVCRT__DIGIT );
 125 }
 126
 127 /*********************************************************************
 128  *              _isalpha_l (MSVCRT.@)
 129  */
 130 int CDECL MSVCRT__isalpha_l(int c, MSVCRT__locale_t locale)
 131 {
 132   return MSVCRT__isctype_l( c, MSVCRT__ALPHA, locale );
 133 }
 134
 135 /*********************************************************************
 136  *              isalpha (MSVCRT.@)
 137  */
 138 int CDECL MSVCRT_isalpha(int c)
 139 {
 140   return MSVCRT__isctype( c, MSVCRT__ALPHA );
 141 }
 142
 143 /*********************************************************************
 144  *              _iscntrl_l (MSVCRT.@)
 145  */
 146 int CDECL MSVCRT__iscntrl_l(int c, MSVCRT__locale_t locale)
 147 {
 148   return MSVCRT__isctype_l( c, MSVCRT__CONTROL, locale );
 149 }
 150
 151 /*********************************************************************
 152  *              iscntrl (MSVCRT.@)
 153  */
 154 int CDECL MSVCRT_iscntrl(int c)
 155 {
 156   return MSVCRT__isctype( c, MSVCRT__CONTROL );
 157 }
 158
 159 /*********************************************************************
 160  *              _isdigit_l (MSVCRT.@)
 161  */
 162 int CDECL MSVCRT__isdigit_l(int c, MSVCRT__locale_t locale)
 163 {
 164   return MSVCRT__isctype_l( c, MSVCRT__DIGIT, locale );
 165 }
 166
 167 /*********************************************************************
 168  *              isdigit (MSVCRT.@)
 169  */
 170 int CDECL MSVCRT_isdigit(int c)
 171 {
 172   return MSVCRT__isctype( c, MSVCRT__DIGIT );
 173 }
 174
 175 /*********************************************************************
 176  *              _isgraph_l (MSVCRT.@)
 177  */
 178 int CDECL MSVCRT__isgraph_l(int c, MSVCRT__locale_t locale)
 179 {
 180   return MSVCRT__isctype_l( c, MSVCRT__ALPHA | MSVCRT__DIGIT | MSVCRT__PUNCT, locale );
 181 }
 182
 183 /*********************************************************************
 184  *              isgraph (MSVCRT.@)
 185  */
 186 int CDECL MSVCRT_isgraph(int c)
 187 {
 188   return MSVCRT__isctype( c, MSVCRT__ALPHA | MSVCRT__DIGIT | MSVCRT__PUNCT );
 189 }
 190
 191 /*********************************************************************
 192  *              _isleadbyte_l (MSVCRT.@)
 193  */
 194 int CDECL MSVCRT__isleadbyte_l(int c, MSVCRT__locale_t locale)
 195 {
 196   return MSVCRT__isctype_l( c, MSVCRT__LEADBYTE, locale );
 197 }
 198
 199 /*********************************************************************
 200  *              isleadbyte (MSVCRT.@)
 201  */
 202 int CDECL MSVCRT_isleadbyte(int c)
 203 {
 204   return MSVCRT__isctype( c, MSVCRT__LEADBYTE );
 205 }
 206
 207 /*********************************************************************
 208  *              _islower_l (MSVCRT.@)
 209  */
 210 int CDECL MSVCRT__islower_l(int c, MSVCRT__locale_t locale)
 211 {
 212   return MSVCRT__isctype_l( c, MSVCRT__LOWER, locale );
 213 }
 214
 215 /*********************************************************************
 216  *              islower (MSVCRT.@)
 217  */
 218 int CDECL MSVCRT_islower(int c)
 219 {
 220   return MSVCRT__isctype( c, MSVCRT__LOWER );
 221 }
 222
 223 /*********************************************************************
 224  *              _isprint_l (MSVCRT.@)
 225  */
 226 int CDECL MSVCRT__isprint_l(int c, MSVCRT__locale_t locale)
 227 {
 228   return MSVCRT__isctype_l( c, MSVCRT__ALPHA | MSVCRT__DIGIT | MSVCRT__BLANK | MSVCRT__PUNCT, locale );
 229 }
 230
 231 /*********************************************************************
 232  *              isprint (MSVCRT.@)
 233  */
 234 int CDECL MSVCRT_isprint(int c)
 235 {
 236   return MSVCRT__isctype( c, MSVCRT__ALPHA | MSVCRT__DIGIT | MSVCRT__BLANK | MSVCRT__PUNCT );
 237 }
 238
 239 /*********************************************************************
 240  *              ispunct (MSVCRT.@)
 241  */
 242 int CDECL MSVCRT_ispunct(int c)
 243 {
 244   return MSVCRT__isctype( c, MSVCRT__PUNCT );
 245 }
 246
 247 /*********************************************************************
 248  *              _isspace_l (MSVCRT.@)
 249  */
 250 int CDECL MSVCRT__isspace_l(int c, MSVCRT__locale_t locale)
 251 {
 252   return MSVCRT__isctype_l( c, MSVCRT__SPACE, locale );
 253 }
 254
 255 /*********************************************************************
 256  *              isspace (MSVCRT.@)
 257  */
 258 int CDECL MSVCRT_isspace(int c)
 259 {
 260   return MSVCRT__isctype( c, MSVCRT__SPACE );
 261 }
 262
 263 /*********************************************************************
 264  *              _isupper_l (MSVCRT.@)
 265  */
 266 int CDECL MSVCRT__isupper_l(int c, MSVCRT__locale_t locale)
 267 {
 268   return MSVCRT__isctype_l( c, MSVCRT__UPPER, locale );
 269 }
 270
 271 /*********************************************************************
 272  *              isupper (MSVCRT.@)
 273  */
 274 int CDECL MSVCRT_isupper(int c)
 275 {
 276   return MSVCRT__isctype( c, MSVCRT__UPPER );
 277 }
 278
 279 /*********************************************************************
 280  *              _isxdigit_l (MSVCRT.@)
 281  */
 282 int CDECL MSVCRT__isxdigit_l(int c, MSVCRT__locale_t locale)
 283 {
 284   return MSVCRT__isctype_l( c, MSVCRT__HEX, locale );
 285 }
 286
 287 /*********************************************************************
 288  *              isxdigit (MSVCRT.@)
 289  */
 290 int CDECL MSVCRT_isxdigit(int c)
 291 {
 292   return MSVCRT__isctype( c, MSVCRT__HEX );
 293 }
 294
 295 /*********************************************************************
 296  *              __isascii (MSVCRT.@)
 297  */
 298 int CDECL MSVCRT___isascii(int c)
 299 {
 300   return isascii((unsigned)c);
 301 }
 302
 303 /*********************************************************************
 304  *              __toascii (MSVCRT.@)
 305  */
 306 int CDECL MSVCRT___toascii(int c)
 307 {
 308   return (unsigned)c & 0x7f;
 309 }
 310
 311 /*********************************************************************
 312  *              iswascii (MSVCRT.@)
 313  *
 314  */
 315 int CDECL MSVCRT_iswascii(MSVCRT_wchar_t c)
 316 {
 317   return ((unsigned)c < 0x80);
 318 }
 319
 320 /*********************************************************************
 321  *              __iscsym (MSVCRT.@)
 322  */
 323 int CDECL MSVCRT___iscsym(int c)
 324 {
 325   return (c < 127 && (isalnum(c) || c == '_'));
 326 }
 327
 328 /*********************************************************************
 329  *              __iscsymf (MSVCRT.@)
 330  */
 331 int CDECL MSVCRT___iscsymf(int c)
 332 {
 333   return (c < 127 && (isalpha(c) || c == '_'));
 334 }
 335
 336 /*********************************************************************
 337  *              _toupper_l (MSVCRT.@)
 338  */
 339 int CDECL MSVCRT__toupper_l(int c, MSVCRT__locale_t locale)
 340 {
 341     MSVCRT_pthreadlocinfo locinfo;
 342     unsigned char str[2], *p = str;
 343     WCHAR wide, upper;
 344
 345     if(!locale)
 346         locinfo = get_locinfo();
 347     else
 348         locinfo = locale->locinfo;
 349
 350     if((unsigned)c < 256)
 351         return locinfo->pcumap[c];
 352
 353     if(locinfo->pctype[(c>>8)&255] & MSVCRT__LEADBYTE)
 354         *p++ = (c>>8) & 255;
 355     else {
 356         *MSVCRT__errno() = MSVCRT_EILSEQ;
 357         str[1] = 0;
 358     }
 359     *p++ = c & 255;
 360
 361     if(!MultiByteToWideChar(locinfo->lc_codepage,
 362                 MB_ERR_INVALID_CHARS, (char*)str, p-str, &wide, 1))
 363         return c;
 364
 365     upper = toupperW(wide);
 366     if(upper == wide)
 367         return str[0] + (str[1]<<8);
 368
 369     switch(WideCharToMultiByte(locinfo->lc_codepage, 0,
 370                 &upper, 1, (char*)str, 2, NULL, NULL)) {
 371     case 0:
 372         return c;
 373     case 1:
 374         return str[0];
 375     default:
 376         return str[0] + (str[1]<<8);
 377     }
 378 }
 379
 380 /*********************************************************************
 381  *              toupper (MSVCRT.@)
 382  */
 383 int CDECL MSVCRT_toupper(int c)
 384 {
 385     return MSVCRT__toupper_l(c, NULL);
 386 }
 387
 388 /*********************************************************************
 389  *              _toupper (MSVCRT.@)
 390  */
 391 int CDECL MSVCRT__toupper(int c)
 392 {
 393     return c - 0x20;  /* sic */
 394 }
 395
 396 /*********************************************************************
 397  *              _tolower_l (MSVCRT.@)
 398  */
 399 int CDECL MSVCRT__tolower_l(int c, MSVCRT__locale_t locale)
 400 {
 401     MSVCRT_pthreadlocinfo locinfo;
 402     unsigned char str[2], *p = str;
 403     WCHAR wide, lower;
 404
 405     if(!locale)
 406         locinfo = get_locinfo();
 407     else
 408         locinfo = locale->locinfo;
 409
 410     if((unsigned)c < 256)
 411         return locinfo->pclmap[c];
 412
 413     if(locinfo->pctype[(c>>8)&255] & MSVCRT__LEADBYTE)
 414         *p++ = (c>>8) & 255;
 415     else {
 416         *MSVCRT__errno() = MSVCRT_EILSEQ;
 417         str[1] = 0;
 418     }
 419     *p++ = c & 255;
 420
 421     if(!MultiByteToWideChar(locinfo->lc_codepage,
 422                 MB_ERR_INVALID_CHARS, (char*)str, p-str, &wide, 1))
 423         return c;
 424
 425     lower = tolowerW(wide);
 426     if(lower == wide)
 427         return str[0] + (str[1]<<8);
 428
 429     switch(WideCharToMultiByte(locinfo->lc_codepage, 0,
 430                 &lower, 1, (char*)str, 2, NULL, NULL)) {
 431     case 0:
 432         return c;
 433     case 1:
 434         return str[0];
 435     default:
 436         return str[0] + (str[1]<<8);
 437     }
 438 }
 439
 440 /*********************************************************************
 441  *              tolower (MSVCRT.@)
 442  */
 443 int CDECL MSVCRT_tolower(int c)
 444 {
 445         return MSVCRT__tolower_l(c, NULL);
 446 }
 447
 448 /*********************************************************************
 449  *              _tolower (MSVCRT.@)
 450  */
 451 int CDECL MSVCRT__tolower(int c)
 452 {
 453     return c + 0x20;  /* sic */
 454 }