include/wx/wxcrtbase.h

   1 /*
   2  * Name:        wx/wxcrtbase.h
   3  * Purpose:     Type-safe ANSI and Unicode builds compatible wrappers for
   4  *              CRT functions
   5  * Author:      Joel Farley, Ove Kaaven
   6  * Modified by: Vadim Zeitlin, Robert Roebling, Ron Lee
   7  * Created:     1998/06/12
   8  * RCS-ID:      $Id$
   9  * Copyright:   (c) 1998-2006 wxWidgets dev team
  10  * Licence:     wxWindows licence
  11  */
  12
  13 /* THIS IS A C FILE, DON'T USE C++ FEATURES (IN PARTICULAR COMMENTS) IN IT */
  14
  15 #ifndef _WX_WXCRTBASE_H_
  16 #define _WX_WXCRTBASE_H_
  17
  18 /* -------------------------------------------------------------------------
  19                         headers and missing declarations
  20    ------------------------------------------------------------------------- */
  21
  22 #include "wx/chartype.h"
  23
  24 /*
  25     Standard headers we need here.
  26
  27     NB: don't include any wxWidgets headers here because almost all of them
  28         include this one!
  29
  30     NB2: User code should include wx/crt.h instead of including this
  31          header directly.
  32
  33  */
  34
  35 #if !defined(__WXPALMOS5__)
  36 #include <stdio.h>
  37 #include <string.h>
  38 #include <ctype.h>
  39 #if defined(__WXPALMOS__)
  40     #include <wchar.h>
  41 #else
  42     #include <wctype.h>
  43 #endif
  44 #include <time.h>
  45 #endif
  46
  47 #if defined(__WINDOWS__) && !defined(__WXWINCE__)
  48     #include <io.h>
  49 #endif
  50
  51 #if defined(HAVE_STRTOK_R) && defined(__DARWIN__) && defined(_MSL_USING_MW_C_HEADERS) && _MSL_USING_MW_C_HEADERS
  52     char *strtok_r(char *, const char *, char **);
  53 #endif
  54
  55 /*
  56    a few compilers don't have the (non standard but common) isascii function,
  57    define it ourselves for them
  58  */
  59 #ifndef isascii
  60     #if defined(__MWERKS__)
  61         #define wxNEED_ISASCII
  62     #elif defined(_WIN32_WCE)
  63         #if _WIN32_WCE <= 211
  64             #define wxNEED_ISASCII
  65         #endif
  66     #endif
  67 #endif /* isascii */
  68
  69 #ifdef wxNEED_ISASCII
  70     inline int isascii(int c) { return (unsigned)c < 0x80; }
  71 #endif
  72
  73 #ifdef _WIN32_WCE
  74     #if _WIN32_WCE <= 211
  75         #define isspace(c) ((c) == _T(' ') || (c) == _T('\t'))
  76     #endif
  77 #endif /* _WIN32_WCE */
  78
  79 /* string.h functions */
  80 #ifndef strdup
  81     #if defined(__MWERKS__) && !defined(__MACH__) && (__MSL__ < 0x00008000)
  82         #define wxNEED_STRDUP
  83     #elif defined(__WXWINCE__)
  84         #if _WIN32_WCE <= 211
  85             #define wxNEED_STRDUP
  86         #endif
  87     #endif
  88 #endif /* strdup */
  89
  90 #ifdef wxNEED_STRDUP
  91     WXDLLIMPEXP_BASE char *strdup(const char* s);
  92 #endif
  93
  94 /* missing functions in some WinCE versions */
  95 #ifdef _WIN32_WCE
  96 #if (_WIN32_WCE < 300)
  97 WXDLLIMPEXP_BASE void *calloc( size_t num, size_t size );
  98 #endif
  99 #endif /* _WIN32_WCE */
 100
 101
 102 #if defined(__MWERKS__)
 103     /* Metrowerks only has wide char support for OS X >= 10.3 */
 104     #if !defined(__DARWIN__) || \
 105          (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3)
 106         #define wxHAVE_MWERKS_UNICODE
 107     #endif
 108
 109     #ifdef wxHAVE_MWERKS_UNICODE
 110         #define HAVE_WPRINTF   1
 111         #define HAVE_WCSRTOMBS 1
 112         #define HAVE_VSWPRINTF 1
 113     #endif
 114 #endif /* __MWERKS__ */
 115
 116
 117 /* -------------------------------------------------------------------------
 118                             UTF-8 locale handling
 119    ------------------------------------------------------------------------- */
 120
 121 #ifdef __cplusplus
 122     #if wxUSE_UNICODE_UTF8
 123         /* flag indicating whether the current locale uses UTF-8 or not; must be
 124            updated every time the locale is changed! */
 125         #if wxUSE_UTF8_LOCALE_ONLY
 126         #define wxLocaleIsUtf8 true
 127         #else
 128         extern WXDLLIMPEXP_BASE bool wxLocaleIsUtf8;
 129         #endif
 130         /* function used to update the flag: */
 131         extern WXDLLIMPEXP_BASE void wxUpdateLocaleIsUtf8();
 132     #else /* !wxUSE_UNICODE_UTF8 */
 133         inline void wxUpdateLocaleIsUtf8() {}
 134     #endif /* wxUSE_UNICODE_UTF8/!wxUSE_UNICODE_UTF8 */
 135 #endif /* __cplusplus */
 136
 137
 138 /* -------------------------------------------------------------------------
 139                                  string.h
 140    ------------------------------------------------------------------------- */
 141
 142 #define wxCRT_StrcatA    strcat
 143 #define wxCRT_StrchrA    strchr
 144 #define wxCRT_StrcmpA    strcmp
 145 #define wxCRT_StrcpyA    strcpy
 146 #define wxCRT_StrcspnA   strcspn
 147 #define wxCRT_StrlenA    strlen
 148 #define wxCRT_StrncatA   strncat
 149 #define wxCRT_StrncmpA   strncmp
 150 #define wxCRT_StrncpyA   strncpy
 151 #define wxCRT_StrpbrkA   strpbrk
 152 #define wxCRT_StrrchrA   strrchr
 153 #define wxCRT_StrspnA    strspn
 154 #define wxCRT_StrstrA    strstr
 155
 156 #define wxCRT_StrcatW    wcscat
 157 #define wxCRT_StrchrW    wcschr
 158 #define wxCRT_StrcmpW    wcscmp
 159 #define wxCRT_StrcpyW    wcscpy
 160 #define wxCRT_StrcspnW   wcscspn
 161 #define wxCRT_StrncatW   wcsncat
 162 #define wxCRT_StrncmpW   wcsncmp
 163 #define wxCRT_StrncpyW   wcsncpy
 164 #define wxCRT_StrpbrkW   wcspbrk
 165 #define wxCRT_StrrchrW   wcsrchr
 166 #define wxCRT_StrspnW    wcsspn
 167 #define wxCRT_StrstrW    wcsstr
 168
 169 /* these functions are not defined under CE, at least in VC8 CRT */
 170 #if !defined(__WXWINCE__) && !defined(__WXPALMOS__)
 171     #define wxCRT_StrcollA   strcoll
 172     #define wxCRT_StrxfrmA   strxfrm
 173
 174     #define wxCRT_StrcollW   wcscoll
 175     #define wxCRT_StrxfrmW   wcsxfrm
 176 #endif /* __WXWINCE__ */
 177
 178 /* Almost all compiler have strdup(), but not quite all: CodeWarrior under
 179    Mac and VC++ for Windows CE don't provide it; additionally, gcc under
 180    Mac and OpenVMS do not have wcsdup: */
 181 #if defined(__VISUALC__) && __VISUALC__ >= 1400
 182     #define wxCRT_StrdupA _strdup
 183 #elif !(defined(__MWERKS__) && defined(__WXMAC__)) && !defined(__WXWINCE__)
 184     #define wxCRT_StrdupA strdup
 185 #endif
 186
 187 // all compilers except Cygwin provide _wcsdup() under Windows
 188 #if defined(__WINDOWS__) && !defined(__CYGWIN__)
 189     #define wxCRT_StrdupW _wcsdup
 190 #elif defined(HAVE_WCSDUP)
 191     #define wxCRT_StrdupW wcsdup
 192 #endif
 193
 194 #ifdef wxHAVE_TCHAR_SUPPORT
 195     /* we surely have wchar_t if we have TCHAR have wcslen() */
 196     #ifndef HAVE_WCSLEN
 197         #define HAVE_WCSLEN
 198     #endif
 199 #endif /* wxHAVE_TCHAR_SUPPORT */
 200
 201 #ifdef HAVE_WCSLEN
 202     #define wxCRT_StrlenW wcslen
 203 #endif
 204
 205 #define wxCRT_StrtodA    strtod
 206 #define wxCRT_StrtolA    strtol
 207 #define wxCRT_StrtoulA   strtoul
 208 #define wxCRT_StrtodW    wcstod
 209 #define wxCRT_StrtolW    wcstol
 210 #define wxCRT_StrtoulW   wcstoul
 211
 212 #ifdef __VISUALC__
 213     #if __VISUALC__ >= 1300 && !defined(__WXWINCE__)
 214         #define wxCRT_StrtollA   _strtoi64
 215         #define wxCRT_StrtoullA  _strtoui64
 216         #define wxCRT_StrtollW   _wcstoi64
 217         #define wxCRT_StrtoullW  _wcstoui64
 218     #endif /* VC++ 7+ */
 219 #else
 220     #ifdef HAVE_STRTOULL
 221         #define wxCRT_StrtollA   strtoll
 222         #define wxCRT_StrtoullA  strtoull
 223     #endif /* HAVE_STRTOULL */
 224     #ifdef HAVE_WCSTOULL
 225         /* assume that we have wcstoull(), which is also C99, too */
 226         #define wxCRT_StrtollW   wcstoll
 227         #define wxCRT_StrtoullW  wcstoull
 228     #endif /* HAVE_WCSTOULL */
 229 #endif
 230
 231 /* Not all compilers have strnlen(); e.g. MSVC 6.x and 7.x don't have it */
 232 #if wxCHECK_VISUALC_VERSION(8) || defined(HAVE_STRNLEN)
 233     #define wxCRT_StrnlenA  strnlen
 234 #endif
 235
 236 #if wxCHECK_VISUALC_VERSION(8) || defined(HAVE_WCSNLEN)
 237     #define wxCRT_StrnlenW  wcsnlen
 238 #endif
 239
 240 /* define wxCRT_StricmpA/W and wxCRT_StrnicmpA/W for various compilers */
 241
 242 #if defined(__BORLANDC__) || defined(__WATCOMC__) || \
 243         defined(__VISAGECPP__) || \
 244         defined(__EMX__) || defined(__DJGPP__)
 245     #define wxCRT_StricmpA stricmp
 246     #define wxCRT_StrnicmpA strnicmp
 247 #elif defined(__WXPALMOS__)
 248     /* FIXME: There is no equivalent to strnicmp in the Palm OS API.  This
 249      * quick hack should do until one can be written.
 250      */
 251     #define wxCRT_StricmpA StrCaselessCompare
 252     #define wxCRT_StrnicmpA StrNCaselessCompare
 253 #elif defined(__SYMANTEC__) || defined(__VISUALC__) || \
 254         (defined(__MWERKS__) && defined(__INTEL__))
 255     #define wxCRT_StricmpA _stricmp
 256     #define wxCRT_StrnicmpA _strnicmp
 257 #elif defined(__UNIX__) || defined(__GNUWIN32__)
 258     #define wxCRT_StricmpA strcasecmp
 259     #define wxCRT_StrnicmpA strncasecmp
 260 /* #else -- use wxWidgets implementation */
 261 #endif
 262
 263 #ifdef __VISUALC__
 264     #define wxCRT_StricmpW _wcsicmp
 265     #define wxCRT_StrnicmpW _wcsnicmp
 266 #elif defined(__UNIX__)
 267     #ifdef HAVE_WCSCASECMP
 268         #define wxCRT_StricmpW wcscasecmp
 269     #endif
 270     #ifdef HAVE_WCSNCASECMP
 271         #define wxCRT_StrnicmpW wcsncasecmp
 272     #endif
 273 /* #else -- use wxWidgets implementation */
 274 #endif
 275
 276 #ifdef HAVE_STRTOK_R
 277     #define  wxCRT_StrtokA(str, sep, last)    strtok_r(str, sep, last)
 278 #endif
 279 /* FIXME-UTF8: detect and use wcstok() if available for wxCRT_StrtokW */
 280
 281 /* these are extern "C" because they are used by regex lib: */
 282 #ifdef __cplusplus
 283 extern "C" {
 284 #endif
 285
 286 #ifndef wxCRT_StrlenW
 287 WXDLLIMPEXP_BASE size_t wxCRT_StrlenW(const wchar_t *s);
 288 #endif
 289
 290 #ifndef wxCRT_StrncmpW
 291 WXDLLIMPEXP_BASE int wxCRT_StrncmpW(const wchar_t *s1, const wchar_t *s2, size_t n);
 292 #endif
 293
 294 #ifdef __cplusplus
 295 }
 296 #endif
 297
 298 /* FIXME-UTF8: remove this once we are Unicode only */
 299 #if wxUSE_UNICODE
 300     #define wxCRT_StrlenNative  wxCRT_StrlenW
 301     #define wxCRT_StrncmpNative wxCRT_StrncmpW
 302     #define wxCRT_ToupperNative wxCRT_ToupperW
 303     #define wxCRT_TolowerNative wxCRT_TolowerW
 304 #else
 305     #define wxCRT_StrlenNative  wxCRT_StrlenA
 306     #define wxCRT_StrncmpNative wxCRT_StrncmpA
 307     #define wxCRT_ToupperNative toupper
 308     #define wxCRT_TolowerNative tolower
 309 #endif
 310
 311 #ifndef wxCRT_StrcatW
 312 WXDLLIMPEXP_BASE wchar_t *wxCRT_StrcatW(wchar_t *dest, const wchar_t *src);
 313 #endif
 314
 315 #ifndef wxCRT_StrchrW
 316 WXDLLIMPEXP_BASE const wchar_t *wxCRT_StrchrW(const wchar_t *s, wchar_t c);
 317 #endif
 318
 319 #ifndef wxCRT_StrcmpW
 320 WXDLLIMPEXP_BASE int wxCRT_StrcmpW(const wchar_t *s1, const wchar_t *s2);
 321 #endif
 322
 323 #ifndef wxCRT_StrcollW
 324 WXDLLIMPEXP_BASE int wxCRT_StrcollW(const wchar_t *s1, const wchar_t *s2);
 325 #endif
 326
 327 #ifndef wxCRT_StrcpyW
 328 WXDLLIMPEXP_BASE wchar_t *wxCRT_StrcpyW(wchar_t *dest, const wchar_t *src);
 329 #endif
 330
 331 #ifndef wxCRT_StrcspnW
 332 WXDLLIMPEXP_BASE size_t wxCRT_StrcspnW(const wchar_t *s, const wchar_t *reject);
 333 #endif
 334
 335 #ifndef wxCRT_StrncatW
 336 WXDLLIMPEXP_BASE wchar_t *wxCRT_StrncatW(wchar_t *dest, const wchar_t *src, size_t n);
 337 #endif
 338
 339 #ifndef wxCRT_StrncpyW
 340 WXDLLIMPEXP_BASE wchar_t *wxCRT_StrncpyW(wchar_t *dest, const wchar_t *src, size_t n);
 341 #endif
 342
 343 #ifndef wxCRT_StrpbrkW
 344 WXDLLIMPEXP_BASE const wchar_t *wxCRT_StrpbrkW(const wchar_t *s, const wchar_t *accept);
 345 #endif
 346
 347 #ifndef wxCRT_StrrchrW
 348 WXDLLIMPEXP_BASE const wchar_t *wxCRT_StrrchrW(const wchar_t *s, wchar_t c);
 349 #endif
 350
 351 #ifndef wxCRT_StrspnW
 352 WXDLLIMPEXP_BASE size_t wxCRT_StrspnW(const wchar_t *s, const wchar_t *accept);
 353 #endif
 354
 355 #ifndef wxCRT_StrstrW
 356 WXDLLIMPEXP_BASE const wchar_t *wxCRT_StrstrW(const wchar_t *haystack, const wchar_t *needle);
 357 #endif
 358
 359 #ifndef wxCRT_StrtodW
 360 WXDLLIMPEXP_BASE double wxCRT_StrtodW(const wchar_t *nptr, wchar_t **endptr);
 361 #endif
 362
 363 #ifndef wxCRT_StrtolW
 364 WXDLLIMPEXP_BASE long int wxCRT_StrtolW(const wchar_t *nptr, wchar_t **endptr, int base);
 365 #endif
 366
 367 #ifndef wxCRT_StrtoulW
 368 WXDLLIMPEXP_BASE unsigned long int wxCRT_StrtoulW(const wchar_t *nptr, wchar_t **endptr, int base);
 369 #endif
 370
 371 #ifndef wxCRT_StrxfrmW
 372 WXDLLIMPEXP_BASE size_t wxCRT_StrxfrmW(wchar_t *dest, const wchar_t *src, size_t n);
 373 #endif
 374
 375 #ifndef wxCRT_StrdupA
 376 WXDLLIMPEXP_BASE char *wxCRT_StrdupA(const char *psz);
 377 #endif
 378
 379 #ifndef wxCRT_StrdupW
 380 WXDLLIMPEXP_BASE wchar_t *wxCRT_StrdupW(const wchar_t *pwz);
 381 #endif
 382
 383 #ifndef wxCRT_StricmpA
 384 WXDLLIMPEXP_BASE int wxCRT_StricmpA(const char *psz1, const char *psz2);
 385 #endif
 386
 387 #ifndef wxCRT_StricmpW
 388 WXDLLIMPEXP_BASE int wxCRT_StricmpW(const wchar_t *psz1, const wchar_t *psz2);
 389 #endif
 390
 391 #ifndef wxCRT_StrnicmpA
 392 WXDLLIMPEXP_BASE int wxCRT_StrnicmpA(const char *psz1, const char *psz2, size_t len);
 393 #endif
 394
 395 #ifndef wxCRT_StrnicmpW
 396 WXDLLIMPEXP_BASE int wxCRT_StrnicmpW(const wchar_t *psz1, const wchar_t *psz2, size_t len);
 397 #endif
 398
 399 #ifndef wxCRT_StrtokA
 400 WXDLLIMPEXP_BASE char *wxCRT_StrtokA(char *psz, const char *delim, char **save_ptr);
 401 #endif
 402
 403 #ifndef wxCRT_StrtokW
 404 WXDLLIMPEXP_BASE wchar_t *wxCRT_StrtokW(wchar_t *psz, const wchar_t *delim, wchar_t **save_ptr);
 405 #endif
 406
 407 /* supply strtoll and strtoull, if needed */
 408 #ifdef wxLongLong_t
 409     #ifndef wxCRT_StrtollA
 410         WXDLLIMPEXP_BASE wxLongLong_t wxCRT_StrtollA(const char* nptr,
 411                                                      char** endptr,
 412                                                      int base);
 413         WXDLLIMPEXP_BASE wxULongLong_t wxCRT_StrtoullA(const char* nptr,
 414                                                        char** endptr,
 415                                                        int base);
 416     #endif
 417     #ifndef wxCRT_StrtollW
 418         WXDLLIMPEXP_BASE wxLongLong_t wxCRT_StrtollW(const wchar_t* nptr,
 419                                                      wchar_t** endptr,
 420                                                      int base);
 421         WXDLLIMPEXP_BASE wxULongLong_t wxCRT_StrtoullW(const wchar_t* nptr,
 422                                                        wchar_t** endptr,
 423                                                        int base);
 424     #endif
 425 #endif // wxLongLong_t
 426
 427
 428 /* -------------------------------------------------------------------------
 429                                   stdio.h
 430    ------------------------------------------------------------------------- */
 431
 432 #if defined(__UNIX__) || defined(__WXMAC__) || defined(__WXPALMOS__)
 433     #define wxMBFILES 1
 434 #else
 435     #define wxMBFILES 0
 436 #endif
 437
 438
 439 /* these functions are only needed in the form used for filenames (i.e. char*
 440    on Unix, wchar_t* on Windows), so we don't need to use A/W suffix: */
 441 #if wxMBFILES || !wxUSE_UNICODE /* ANSI filenames */
 442
 443     #define wxCRT_Fopen   fopen
 444     #define wxCRT_Freopen freopen
 445     #define wxCRT_Remove  remove
 446     #define wxCRT_Rename  rename
 447
 448 #else /* Unicode filenames */
 449     /* special case: these functions are missing under Win9x with Unicows so we
 450        have to implement them ourselves */
 451     #if wxUSE_UNICODE_MSLU
 452             WXDLLIMPEXP_BASE FILE* wxMSLU__wfopen(const wchar_t *name, const wchar_t *mode);
 453             WXDLLIMPEXP_BASE FILE* wxMSLU__wfreopen(const wchar_t *name, const wchar_t *mode, FILE *stream);
 454             WXDLLIMPEXP_BASE int wxMSLU__wrename(const wchar_t *oldname, const wchar_t *newname);
 455             WXDLLIMPEXP_BASE int wxMSLU__wremove(const wchar_t *name);
 456             #define wxCRT_Fopen     wxMSLU__wfopen
 457             #define wxCRT_Freopen   wxMSLU__wfreopen
 458             #define wxCRT_Remove    wxMSLU__wremove
 459             #define wxCRT_Rename    wxMSLU__wrename
 460     #else
 461         /* WinCE CRT doesn't provide these functions so use our own */
 462         #ifdef __WXWINCE__
 463             WXDLLIMPEXP_BASE int wxCRT_Rename(const wchar_t *src,
 464                                               const wchar_t *dst);
 465             WXDLLIMPEXP_BASE int wxCRT_Remove(const wchar_t *path);
 466         #else
 467             #define wxCRT_Rename   _wrename
 468             #define wxCRT_Remove _wremove
 469         #endif
 470         #define wxCRT_Fopen    _wfopen
 471         #define wxCRT_Freopen  _wfreopen
 472     #endif
 473
 474 #endif /* wxMBFILES/!wxMBFILES */
 475
 476 #define wxCRT_PutsA       puts
 477 #define wxCRT_FputsA      fputs
 478 #define wxCRT_FgetsA      fgets
 479 #define wxCRT_FputcA      fputc
 480 #define wxCRT_FgetcA      fgetc
 481 #define wxCRT_UngetcA     ungetc
 482
 483 #ifdef wxHAVE_TCHAR_SUPPORT
 484     #define wxCRT_PutsW   _putws
 485     #define wxCRT_FputsW  fputws
 486     #define wxCRT_FputcW  fputwc
 487 #endif
 488 #ifdef HAVE_FPUTWS
 489     #define wxCRT_FputsW  fputws
 490 #endif
 491 #ifdef HAVE_PUTWS
 492     #define wxCRT_PutsW   putws
 493 #endif
 494 #ifdef HAVE_FPUTWC
 495     #define wxCRT_FputcW  fputwc
 496 #endif
 497 #define wxCRT_FgetsW  fgetws
 498
 499 #ifndef wxCRT_PutsW
 500 WXDLLIMPEXP_BASE int wxCRT_PutsW(const wchar_t *ws);
 501 #endif
 502
 503 #ifndef wxCRT_FputsW
 504 WXDLLIMPEXP_BASE int wxCRT_FputsW(const wchar_t *ch, FILE *stream);
 505 #endif
 506
 507 #ifndef wxCRT_FputcW
 508 WXDLLIMPEXP_BASE int wxCRT_FputcW(wchar_t wc, FILE *stream);
 509 #endif
 510
 511 /*
 512    NB: tmpnam() is unsafe and thus is not wrapped!
 513        Use other wxWidgets facilities instead:
 514         wxFileName::CreateTempFileName, wxTempFile, or wxTempFileOutputStream
 515 */
 516 #define wxTmpnam(x)         wxTmpnam_is_insecure_use_wxTempFile_instead
 517
 518 /* FIXME-CE: provide our own perror() using ::GetLastError() */
 519 #ifndef __WXWINCE__
 520
 521 #define wxCRT_PerrorA   perror
 522 #ifdef wxHAVE_TCHAR_SUPPORT
 523     #define wxCRT_PerrorW _wperror
 524 #endif
 525
 526 #endif /* !__WXWINCE__ */
 527
 528 /* -------------------------------------------------------------------------
 529                                   stdlib.h
 530    ------------------------------------------------------------------------- */
 531
 532 /* there are no env vars at all under CE, so no _tgetenv neither */
 533 #ifdef __WXWINCE__
 534     /* can't define as inline function as this is a C file... */
 535     #define wxCRT_GetenvA(name)     (name, NULL)
 536     #define wxCRT_GetenvW(name)     (name, NULL)
 537 #else
 538     #define wxCRT_GetenvA           getenv
 539     #ifdef _tgetenv
 540         #define wxCRT_GetenvW       _wgetenv
 541     #endif
 542 #endif
 543
 544 #ifndef wxCRT_GetenvW
 545 WXDLLIMPEXP_BASE wchar_t * wxCRT_GetenvW(const wchar_t *name);
 546 #endif
 547
 548
 549 #define wxCRT_SystemA               system
 550 /* mingw32 doesn't provide _tsystem() or _wsystem(): */
 551 #if defined(_tsystem)
 552     #define  wxCRT_SystemW          _wsystem
 553 #endif
 554
 555 #define wxCRT_AtofA                 atof
 556 #define wxCRT_AtoiA                 atoi
 557 #define wxCRT_AtolA                 atol
 558
 559 #if defined(__MWERKS__)
 560     #if defined(__MSL__)
 561         #define wxCRT_AtofW         watof
 562         #define wxCRT_AtoiW         watoi
 563         #define wxCRT_AtolW         watol
 564     /* else: use ANSI versions */
 565     #endif
 566 #elif defined(wxHAVE_TCHAR_SUPPORT)
 567     #define  wxCRT_AtoiW           _wtoi
 568     #define  wxCRT_AtolW           _wtol
 569     /* _wtof doesn't exist */
 570 #else
 571 #ifndef __VMS
 572     #define wxCRT_AtofW(s)         wcstod(s, NULL)
 573 #endif
 574     #define wxCRT_AtolW(s)         wcstol(s, NULL, 10)
 575     /* wcstoi doesn't exist */
 576 #endif
 577
 578 /*
 579     There are 2 unrelated problems with these functions under Mac:
 580         a) Metrowerks MSL CRT implements them strictly in C99 sense and
 581            doesn't support (very common) extension of allowing to call
 582            mbstowcs(NULL, ...) which makes it pretty useless as you can't
 583            know the size of the needed buffer
 584         b) OS X <= 10.2 declares and even defined these functions but
 585            doesn't really implement them -- they always return an error
 586
 587     So use our own replacements in both cases.
 588  */
 589 #if defined(__MWERKS__) && defined(__MSL__)
 590     #define wxNEED_WX_MBSTOWCS
 591 #endif
 592 #if defined(__WXPALMOS__)
 593     #define wxNEED_WX_MBSTOWCS
 594 #endif
 595
 596 #ifdef __DARWIN__
 597     #if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_2
 598         #define wxNEED_WX_MBSTOWCS
 599     #endif
 600 #endif
 601
 602 #ifdef wxNEED_WX_MBSTOWCS
 603     /* even though they are defined and "implemented", they are bad and just
 604        stubs so we need our own - we need these even in ANSI builds!! */
 605     WXDLLIMPEXP_BASE size_t wxMbstowcs(wchar_t *, const char *, size_t);
 606     WXDLLIMPEXP_BASE size_t wxWcstombs(char *, const wchar_t *, size_t);
 607 #else
 608     #define wxMbstowcs mbstowcs
 609     #define wxWcstombs wcstombs
 610 #endif
 611
 612
 613
 614 /* -------------------------------------------------------------------------
 615                                 time.h
 616    ------------------------------------------------------------------------- */
 617
 618 #define wxCRT_StrftimeA  strftime
 619 #ifndef __WXPALMOS__
 620 /* FIXME-UTF8: when is this available? */
 621 #define wxCRT_StrftimeW  wcsftime
 622 #endif /* ! __WXPALMOS__ */
 623
 624 #ifndef wxCRT_StrftimeW
 625 WXDLLIMPEXP_BASE size_t wxCRT_StrftimeW(wchar_t *s, size_t max,
 626                                         const wchar_t *fmt,
 627                                         const struct tm *tm);
 628 #endif
 629
 630
 631
 632 /* -------------------------------------------------------------------------
 633                                 ctype.h
 634    ------------------------------------------------------------------------- */
 635
 636 #ifdef __WATCOMC__
 637   #define WXWCHAR_T_CAST(c) (wint_t)(c)
 638 #else
 639   #define WXWCHAR_T_CAST(c) c
 640 #endif
 641
 642 #define wxCRT_IsalnumW(c)   iswalnum(WXWCHAR_T_CAST(c))
 643 #define wxCRT_IsalphaW(c)   iswalpha(WXWCHAR_T_CAST(c))
 644 #define wxCRT_IscntrlW(c)   iswcntrl(WXWCHAR_T_CAST(c))
 645 #define wxCRT_IsdigitW(c)   iswdigit(WXWCHAR_T_CAST(c))
 646 #define wxCRT_IsgraphW(c)   iswgraph(WXWCHAR_T_CAST(c))
 647 #define wxCRT_IslowerW(c)   iswlower(WXWCHAR_T_CAST(c))
 648 #define wxCRT_IsprintW(c)   iswprint(WXWCHAR_T_CAST(c))
 649 #define wxCRT_IspunctW(c)   iswpunct(WXWCHAR_T_CAST(c))
 650 #define wxCRT_IsspaceW(c)   iswspace(WXWCHAR_T_CAST(c))
 651 #define wxCRT_IsupperW(c)   iswupper(WXWCHAR_T_CAST(c))
 652 #define wxCRT_IsxdigitW(c)  iswxdigit(WXWCHAR_T_CAST(c))
 653
 654 #ifdef __GLIBC__
 655     #if defined(__GLIBC__) && (__GLIBC__ == 2) && (__GLIBC_MINOR__ == 0)
 656         /* /usr/include/wctype.h incorrectly declares translations */
 657         /* tables which provokes tons of compile-time warnings -- try */
 658         /* to correct this */
 659         #define wxCRT_TolowerW(wc) towctrans((wc), (wctrans_t)__ctype_tolower)
 660         #define wxCRT_ToupperW(wc) towctrans((wc), (wctrans_t)__ctype_toupper)
 661     #else /* !glibc 2.0 */
 662         #define wxCRT_TolowerW   towlower
 663         #define wxCRT_ToupperW   towupper
 664     #endif
 665 #else /* !__GLIBC__ */
 666     /* There is a bug in VC6 C RTL: toxxx() functions dosn't do anything
 667        with signed chars < 0, so "fix" it here. */
 668     #define wxCRT_TolowerW(c)   towlower((wxUChar)(wxChar)(c))
 669     #define wxCRT_ToupperW(c)   towupper((wxUChar)(wxChar)(c))
 670 #endif /* __GLIBC__/!__GLIBC__ */
 671
 672
 673
 674
 675
 676 /* -------------------------------------------------------------------------
 677        wx wrappers for CRT functions in both char* and wchar_t* versions
 678    ------------------------------------------------------------------------- */
 679
 680 #ifdef __cplusplus
 681
 682 /* NB: this belongs to wxcrt.h and not this header, but it makes life easier
 683  *     for buffer.h and stringimpl.h (both of which must be included before
 684  *     string.h, which is required by wxcrt.h) to have them here: */
 685
 686 /* safe version of strlen() (returns 0 if passed NULL pointer) */
 687 inline size_t wxStrlen(const char *s) { return s ? wxCRT_StrlenA(s) : 0; }
 688 inline size_t wxStrlen(const wchar_t *s) { return s ? wxCRT_StrlenW(s) : 0; }
 689 #ifndef wxWCHAR_T_IS_WXCHAR16
 690        WXDLLIMPEXP_BASE size_t wxStrlen(const wxChar16 *s );
 691 #endif
 692 #ifndef wxWCHAR_T_IS_WXCHAR32
 693        WXDLLIMPEXP_BASE size_t wxStrlen(const wxChar32 *s );
 694 #endif
 695 #define wxWcslen wxCRT_StrlenW
 696
 697 #define wxStrdupA wxCRT_StrdupA
 698 #define wxStrdupW wxCRT_StrdupW
 699 inline char* wxStrdup(const char *s) { return wxCRT_StrdupA(s); }
 700 inline wchar_t* wxStrdup(const wchar_t *s) { return wxCRT_StrdupW(s); }
 701 #ifndef wxWCHAR_T_IS_WXCHAR16
 702        WXDLLIMPEXP_BASE wxChar16* wxStrdup(const wxChar16* s);
 703 #endif
 704 #ifndef wxWCHAR_T_IS_WXCHAR32
 705        WXDLLIMPEXP_BASE wxChar32* wxStrdup(const wxChar32* s);
 706 #endif
 707
 708 #endif /* __cplusplus */
 709
 710 #endif /* _WX_WXCRTBASE_H_ */