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 #if defined(__WINDOWS__)
 187     #define wxCRT_StrdupW _wcsdup
 188 #elif defined(HAVE_WCSDUP)
 189     #define wxCRT_StrdupW wcsdup
 190 #endif
 191
 192 #ifdef wxHAVE_TCHAR_SUPPORT
 193     /* we surely have wchar_t if we have TCHAR have wcslen() */
 194     #ifndef HAVE_WCSLEN
 195         #define HAVE_WCSLEN
 196     #endif
 197 #endif /* wxHAVE_TCHAR_SUPPORT */
 198
 199 #ifdef HAVE_WCSLEN
 200     #define wxCRT_StrlenW wcslen
 201 #endif
 202
 203 #define wxCRT_StrtodA    strtod
 204 #define wxCRT_StrtolA    strtol
 205 #define wxCRT_StrtoulA   strtoul
 206 #define wxCRT_StrtodW    wcstod
 207 #define wxCRT_StrtolW    wcstol
 208 #define wxCRT_StrtoulW   wcstoul
 209
 210 #ifdef __VISUALC__
 211     #if __VISUALC__ >= 1300 && !defined(__WXWINCE__)
 212         #define wxCRT_StrtollA   _strtoi64
 213         #define wxCRT_StrtoullA  _strtoui64
 214         #define wxCRT_StrtollW   _wcstoi64
 215         #define wxCRT_StrtoullW  _wcstoui64
 216     #endif /* VC++ 7+ */
 217 #else
 218     #ifdef HAVE_STRTOULL
 219         #define wxCRT_StrtollA   strtoll
 220         #define wxCRT_StrtoullA  strtoull
 221     #endif /* HAVE_STRTOULL */
 222     #ifdef HAVE_WCSTOULL
 223         /* assume that we have wcstoull(), which is also C99, too */
 224         #define wxCRT_StrtollW   wcstoll
 225         #define wxCRT_StrtoullW  wcstoull
 226     #endif /* HAVE_WCSTOULL */
 227 #endif
 228
 229 /* Not all compilers have strnlen(); e.g. MSVC 6.x and 7.x don't have it */
 230 #if wxCHECK_VISUALC_VERSION(8) || defined(HAVE_STRNLEN)
 231     #define wxCRT_StrnlenA  strnlen
 232 #endif
 233
 234 #if wxCHECK_VISUALC_VERSION(8) || defined(HAVE_WCSNLEN)
 235     #define wxCRT_StrnlenW  wcsnlen
 236 #endif
 237
 238 /* define wxCRT_StricmpA/W and wxCRT_StrnicmpA/W for various compilers */
 239
 240 #if defined(__BORLANDC__) || defined(__WATCOMC__) || \
 241         defined(__VISAGECPP__) || \
 242         defined(__EMX__) || defined(__DJGPP__)
 243     #define wxCRT_StricmpA stricmp
 244     #define wxCRT_StrnicmpA strnicmp
 245 #elif defined(__WXPALMOS__)
 246     /* FIXME: There is no equivalent to strnicmp in the Palm OS API.  This
 247      * quick hack should do until one can be written.
 248      */
 249     #define wxCRT_StricmpA StrCaselessCompare
 250     #define wxCRT_StrnicmpA StrNCaselessCompare
 251 #elif defined(__SYMANTEC__) || defined(__VISUALC__) || \
 252         (defined(__MWERKS__) && defined(__INTEL__))
 253     #define wxCRT_StricmpA _stricmp
 254     #define wxCRT_StrnicmpA _strnicmp
 255 #elif defined(__UNIX__) || defined(__GNUWIN32__)
 256     #define wxCRT_StricmpA strcasecmp
 257     #define wxCRT_StrnicmpA strncasecmp
 258 /* #else -- use wxWidgets implementation */
 259 #endif
 260
 261 #ifdef __VISUALC__
 262     #define wxCRT_StricmpW _wcsicmp
 263     #define wxCRT_StrnicmpW _wcsnicmp
 264 #elif defined(__UNIX__)
 265     #ifdef HAVE_WCSCASECMP
 266         #define wxCRT_StricmpW wcscasecmp
 267     #endif
 268     #ifdef HAVE_WCSNCASECMP
 269         #define wxCRT_StrnicmpW wcsncasecmp
 270     #endif
 271 /* #else -- use wxWidgets implementation */
 272 #endif
 273
 274 #ifdef HAVE_STRTOK_R
 275     #define  wxCRT_StrtokA(str, sep, last)    strtok_r(str, sep, last)
 276 #endif
 277 /* FIXME-UTF8: detect and use wcstok() if available for wxCRT_StrtokW */
 278
 279 /* these are extern "C" because they are used by regex lib: */
 280 #ifdef __cplusplus
 281 extern "C" {
 282 #endif
 283
 284 #ifndef wxCRT_StrlenW
 285 WXDLLIMPEXP_BASE size_t wxCRT_StrlenW(const wchar_t *s);
 286 #endif
 287
 288 #ifndef wxCRT_StrncmpW
 289 WXDLLIMPEXP_BASE int wxCRT_StrncmpW(const wchar_t *s1, const wchar_t *s2, size_t n);
 290 #endif
 291
 292 #ifdef __cplusplus
 293 }
 294 #endif
 295
 296 /* FIXME-UTF8: remove this once we are Unicode only */
 297 #if wxUSE_UNICODE
 298     #define wxCRT_StrlenNative  wxCRT_StrlenW
 299     #define wxCRT_StrncmpNative wxCRT_StrncmpW
 300     #define wxCRT_ToupperNative wxCRT_ToupperW
 301     #define wxCRT_TolowerNative wxCRT_TolowerW
 302 #else
 303     #define wxCRT_StrlenNative  wxCRT_StrlenA
 304     #define wxCRT_StrncmpNative wxCRT_StrncmpA
 305     #define wxCRT_ToupperNative toupper
 306     #define wxCRT_TolowerNative tolower
 307 #endif
 308
 309 #ifndef wxCRT_StrcatW
 310 WXDLLIMPEXP_BASE wchar_t *wxCRT_StrcatW(wchar_t *dest, const wchar_t *src);
 311 #endif
 312
 313 #ifndef wxCRT_StrchrW
 314 WXDLLIMPEXP_BASE const wchar_t *wxCRT_StrchrW(const wchar_t *s, wchar_t c);
 315 #endif
 316
 317 #ifndef wxCRT_StrcmpW
 318 WXDLLIMPEXP_BASE int wxCRT_StrcmpW(const wchar_t *s1, const wchar_t *s2);
 319 #endif
 320
 321 #ifndef wxCRT_StrcollW
 322 WXDLLIMPEXP_BASE int wxCRT_StrcollW(const wchar_t *s1, const wchar_t *s2);
 323 #endif
 324
 325 #ifndef wxCRT_StrcpyW
 326 WXDLLIMPEXP_BASE wchar_t *wxCRT_StrcpyW(wchar_t *dest, const wchar_t *src);
 327 #endif
 328
 329 #ifndef wxCRT_StrcspnW
 330 WXDLLIMPEXP_BASE size_t wxCRT_StrcspnW(const wchar_t *s, const wchar_t *reject);
 331 #endif
 332
 333 #ifndef wxCRT_StrncatW
 334 WXDLLIMPEXP_BASE wchar_t *wxCRT_StrncatW(wchar_t *dest, const wchar_t *src, size_t n);
 335 #endif
 336
 337 #ifndef wxCRT_StrncpyW
 338 WXDLLIMPEXP_BASE wchar_t *wxCRT_StrncpyW(wchar_t *dest, const wchar_t *src, size_t n);
 339 #endif
 340
 341 #ifndef wxCRT_StrpbrkW
 342 WXDLLIMPEXP_BASE const wchar_t *wxCRT_StrpbrkW(const wchar_t *s, const wchar_t *accept);
 343 #endif
 344
 345 #ifndef wxCRT_StrrchrW
 346 WXDLLIMPEXP_BASE const wchar_t *wxCRT_StrrchrW(const wchar_t *s, wchar_t c);
 347 #endif
 348
 349 #ifndef wxCRT_StrspnW
 350 WXDLLIMPEXP_BASE size_t wxCRT_StrspnW(const wchar_t *s, const wchar_t *accept);
 351 #endif
 352
 353 #ifndef wxCRT_StrstrW
 354 WXDLLIMPEXP_BASE const wchar_t *wxCRT_StrstrW(const wchar_t *haystack, const wchar_t *needle);
 355 #endif
 356
 357 #ifndef wxCRT_StrtodW
 358 WXDLLIMPEXP_BASE double wxCRT_StrtodW(const wchar_t *nptr, wchar_t **endptr);
 359 #endif
 360
 361 #ifndef wxCRT_StrtolW
 362 WXDLLIMPEXP_BASE long int wxCRT_StrtolW(const wchar_t *nptr, wchar_t **endptr, int base);
 363 #endif
 364
 365 #ifndef wxCRT_StrtoulW
 366 WXDLLIMPEXP_BASE unsigned long int wxCRT_StrtoulW(const wchar_t *nptr, wchar_t **endptr, int base);
 367 #endif
 368
 369 #ifndef wxCRT_StrxfrmW
 370 WXDLLIMPEXP_BASE size_t wxCRT_StrxfrmW(wchar_t *dest, const wchar_t *src, size_t n);
 371 #endif
 372
 373 #ifndef wxCRT_StrdupA
 374 WXDLLIMPEXP_BASE char *wxCRT_StrdupA(const char *psz);
 375 #endif
 376
 377 #ifndef wxCRT_StrdupW
 378 WXDLLIMPEXP_BASE wchar_t *wxCRT_StrdupW(const wchar_t *pwz);
 379 #endif
 380
 381 #ifndef wxCRT_StricmpA
 382 WXDLLIMPEXP_BASE int wxCRT_StricmpA(const char *psz1, const char *psz2);
 383 #endif
 384
 385 #ifndef wxCRT_StricmpW
 386 WXDLLIMPEXP_BASE int wxCRT_StricmpW(const wchar_t *psz1, const wchar_t *psz2);
 387 #endif
 388
 389 #ifndef wxCRT_StrnicmpA
 390 WXDLLIMPEXP_BASE int wxCRT_StrnicmpA(const char *psz1, const char *psz2, size_t len);
 391 #endif
 392
 393 #ifndef wxCRT_StrnicmpW
 394 WXDLLIMPEXP_BASE int wxCRT_StrnicmpW(const wchar_t *psz1, const wchar_t *psz2, size_t len);
 395 #endif
 396
 397 #ifndef wxCRT_StrtokA
 398 WXDLLIMPEXP_BASE char *wxCRT_StrtokA(char *psz, const char *delim, char **save_ptr);
 399 #endif
 400
 401 #ifndef wxCRT_StrtokW
 402 WXDLLIMPEXP_BASE wchar_t *wxCRT_StrtokW(wchar_t *psz, const wchar_t *delim, wchar_t **save_ptr);
 403 #endif
 404
 405 /* supply strtoll and strtoull, if needed */
 406 #ifdef wxLongLong_t
 407     #ifndef wxCRT_StrtollA
 408         WXDLLIMPEXP_BASE wxLongLong_t wxCRT_StrtollA(const char* nptr,
 409                                                      char** endptr,
 410                                                      int base);
 411         WXDLLIMPEXP_BASE wxULongLong_t wxCRT_StrtoullA(const char* nptr,
 412                                                        char** endptr,
 413                                                        int base);
 414     #endif
 415     #ifndef wxCRT_StrtollW
 416         WXDLLIMPEXP_BASE wxLongLong_t wxCRT_StrtollW(const wchar_t* nptr,
 417                                                      wchar_t** endptr,
 418                                                      int base);
 419         WXDLLIMPEXP_BASE wxULongLong_t wxCRT_StrtoullW(const wchar_t* nptr,
 420                                                        wchar_t** endptr,
 421                                                        int base);
 422     #endif
 423 #endif // wxLongLong_t
 424
 425
 426 /* -------------------------------------------------------------------------
 427                                   stdio.h
 428    ------------------------------------------------------------------------- */
 429
 430 #if defined(__UNIX__) || defined(__WXMAC__) || defined(__WXPALMOS__)
 431     #define wxMBFILES 1
 432 #else
 433     #define wxMBFILES 0
 434 #endif
 435
 436
 437 /* these functions are only needed in the form used for filenames (i.e. char*
 438    on Unix, wchar_t* on Windows), so we don't need to use A/W suffix: */
 439 #if wxMBFILES || !wxUSE_UNICODE /* ANSI filenames */
 440
 441     #define wxCRT_Fopen   fopen
 442     #define wxCRT_Freopen freopen
 443     #define wxCRT_Remove  remove
 444     #define wxCRT_Rename  rename
 445
 446 #else /* Unicode filenames */
 447     /* special case: these functions are missing under Win9x with Unicows so we
 448        have to implement them ourselves */
 449     #if wxUSE_UNICODE_MSLU
 450             WXDLLIMPEXP_BASE FILE* wxMSLU__wfopen(const wchar_t *name, const wchar_t *mode);
 451             WXDLLIMPEXP_BASE FILE* wxMSLU__wfreopen(const wchar_t *name, const wchar_t *mode, FILE *stream);
 452             WXDLLIMPEXP_BASE int wxMSLU__wrename(const wchar_t *oldname, const wchar_t *newname);
 453             WXDLLIMPEXP_BASE int wxMSLU__wremove(const wchar_t *name);
 454             #define wxCRT_Fopen     wxMSLU__wfopen
 455             #define wxCRT_Freopen   wxMSLU__wfreopen
 456             #define wxCRT_Remove    wxMSLU__wremove
 457             #define wxCRT_Rename    wxMSLU__wrename
 458     #else
 459         /* WinCE CRT doesn't provide these functions so use our own */
 460         #ifdef __WXWINCE__
 461             WXDLLIMPEXP_BASE int wxCRT_Rename(const wchar_t *src,
 462                                               const wchar_t *dst);
 463             WXDLLIMPEXP_BASE int wxCRT_Remove(const wchar_t *path);
 464         #else
 465             #define wxCRT_Rename   _wrename
 466             #define wxCRT_Remove _wremove
 467         #endif
 468         #define wxCRT_Fopen    _wfopen
 469         #define wxCRT_Freopen  _wfreopen
 470     #endif
 471
 472 #endif /* wxMBFILES/!wxMBFILES */
 473
 474 #define wxCRT_PutsA       puts
 475 #define wxCRT_FputsA      fputs
 476 #define wxCRT_FgetsA      fgets
 477 #define wxCRT_FputcA      fputc
 478 #define wxCRT_FgetcA      fgetc
 479 #define wxCRT_UngetcA     ungetc
 480
 481 #ifdef wxHAVE_TCHAR_SUPPORT
 482     #define wxCRT_PutsW   _putws
 483     #define wxCRT_FputsW  fputws
 484     #define wxCRT_FputcW  fputwc
 485 #endif
 486 #ifdef HAVE_FPUTWS
 487     #define wxCRT_FputsW  fputws
 488 #endif
 489 #ifdef HAVE_PUTWS
 490     #define wxCRT_PutsW   putws
 491 #endif
 492 #ifdef HAVE_FPUTWC
 493     #define wxCRT_FputcW  fputwc
 494 #endif
 495 #define wxCRT_FgetsW  fgetws
 496
 497 #ifndef wxCRT_PutsW
 498 WXDLLIMPEXP_BASE int wxCRT_PutsW(const wchar_t *ws);
 499 #endif
 500
 501 #ifndef wxCRT_FputsW
 502 WXDLLIMPEXP_BASE int wxCRT_FputsW(const wchar_t *ch, FILE *stream);
 503 #endif
 504
 505 #ifndef wxCRT_FputcW
 506 WXDLLIMPEXP_BASE int wxCRT_FputcW(wchar_t wc, FILE *stream);
 507 #endif
 508
 509 /*
 510    NB: tmpnam() is unsafe and thus is not wrapped!
 511        Use other wxWidgets facilities instead:
 512         wxFileName::CreateTempFileName, wxTempFile, or wxTempFileOutputStream
 513 */
 514 #define wxTmpnam(x)         wxTmpnam_is_insecure_use_wxTempFile_instead
 515
 516 /* FIXME-CE: provide our own perror() using ::GetLastError() */
 517 #ifndef __WXWINCE__
 518
 519 #define wxCRT_PerrorA   perror
 520 #ifdef wxHAVE_TCHAR_SUPPORT
 521     #define wxCRT_PerrorW _wperror
 522 #endif
 523
 524 #endif /* !__WXWINCE__ */
 525
 526 /* -------------------------------------------------------------------------
 527                                   stdlib.h
 528    ------------------------------------------------------------------------- */
 529
 530 /* there are no env vars at all under CE, so no _tgetenv neither */
 531 #ifdef __WXWINCE__
 532     /* can't define as inline function as this is a C file... */
 533     #define wxCRT_GetenvA(name)     (name, NULL)
 534     #define wxCRT_GetenvW(name)     (name, NULL)
 535 #else
 536     #define wxCRT_GetenvA           getenv
 537     #ifdef _tgetenv
 538         #define wxCRT_GetenvW       _wgetenv
 539     #endif
 540 #endif
 541
 542 #ifndef wxCRT_GetenvW
 543 WXDLLIMPEXP_BASE wchar_t * wxCRT_GetenvW(const wchar_t *name);
 544 #endif
 545
 546
 547 #define wxCRT_SystemA               system
 548 /* mingw32 doesn't provide _tsystem() or _wsystem(): */
 549 #if defined(_tsystem)
 550     #define  wxCRT_SystemW          _wsystem
 551 #endif
 552
 553 #define wxCRT_AtofA                 atof
 554 #define wxCRT_AtoiA                 atoi
 555 #define wxCRT_AtolA                 atol
 556
 557 #if defined(__MWERKS__)
 558     #if defined(__MSL__)
 559         #define wxCRT_AtofW         watof
 560         #define wxCRT_AtoiW         watoi
 561         #define wxCRT_AtolW         watol
 562     /* else: use ANSI versions */
 563     #endif
 564 #elif defined(wxHAVE_TCHAR_SUPPORT)
 565     #define  wxCRT_AtoiW           _wtoi
 566     #define  wxCRT_AtolW           _wtol
 567     /* _wtof doesn't exist */
 568 #else
 569 #ifndef __VMS
 570     #define wxCRT_AtofW(s)         wcstod(s, NULL)
 571 #endif
 572     #define wxCRT_AtolW(s)         wcstol(s, NULL, 10)
 573     /* wcstoi doesn't exist */
 574 #endif
 575
 576 /*
 577     There are 2 unrelated problems with these functions under Mac:
 578         a) Metrowerks MSL CRT implements them strictly in C99 sense and
 579            doesn't support (very common) extension of allowing to call
 580            mbstowcs(NULL, ...) which makes it pretty useless as you can't
 581            know the size of the needed buffer
 582         b) OS X <= 10.2 declares and even defined these functions but
 583            doesn't really implement them -- they always return an error
 584
 585     So use our own replacements in both cases.
 586  */
 587 #if defined(__MWERKS__) && defined(__MSL__)
 588     #define wxNEED_WX_MBSTOWCS
 589 #endif
 590 #if defined(__WXPALMOS__)
 591     #define wxNEED_WX_MBSTOWCS
 592 #endif
 593
 594 #ifdef __DARWIN__
 595     #if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_2
 596         #define wxNEED_WX_MBSTOWCS
 597     #endif
 598 #endif
 599
 600 #ifdef wxNEED_WX_MBSTOWCS
 601     /* even though they are defined and "implemented", they are bad and just
 602        stubs so we need our own - we need these even in ANSI builds!! */
 603     WXDLLIMPEXP_BASE size_t wxMbstowcs(wchar_t *, const char *, size_t);
 604     WXDLLIMPEXP_BASE size_t wxWcstombs(char *, const wchar_t *, size_t);
 605 #else
 606     #define wxMbstowcs mbstowcs
 607     #define wxWcstombs wcstombs
 608 #endif
 609
 610
 611
 612 /* -------------------------------------------------------------------------
 613                                 time.h
 614    ------------------------------------------------------------------------- */
 615
 616 #define wxCRT_StrftimeA  strftime
 617 #ifndef __WXPALMOS__
 618 /* FIXME-UTF8: when is this available? */
 619 #define wxCRT_StrftimeW  wcsftime
 620 #endif /* ! __WXPALMOS__ */
 621
 622 #ifndef wxCRT_StrftimeW
 623 WXDLLIMPEXP_BASE size_t wxCRT_StrftimeW(wchar_t *s, size_t max,
 624                                         const wchar_t *fmt,
 625                                         const struct tm *tm);
 626 #endif
 627
 628
 629
 630 /* -------------------------------------------------------------------------
 631                                 ctype.h
 632    ------------------------------------------------------------------------- */
 633
 634 #ifdef __WATCOMC__
 635   #define WXWCHAR_T_CAST(c) (wint_t)(c)
 636 #else
 637   #define WXWCHAR_T_CAST(c) c
 638 #endif
 639
 640 #define wxCRT_IsalnumW(c)   iswalnum(WXWCHAR_T_CAST(c))
 641 #define wxCRT_IsalphaW(c)   iswalpha(WXWCHAR_T_CAST(c))
 642 #define wxCRT_IscntrlW(c)   iswcntrl(WXWCHAR_T_CAST(c))
 643 #define wxCRT_IsdigitW(c)   iswdigit(WXWCHAR_T_CAST(c))
 644 #define wxCRT_IsgraphW(c)   iswgraph(WXWCHAR_T_CAST(c))
 645 #define wxCRT_IslowerW(c)   iswlower(WXWCHAR_T_CAST(c))
 646 #define wxCRT_IsprintW(c)   iswprint(WXWCHAR_T_CAST(c))
 647 #define wxCRT_IspunctW(c)   iswpunct(WXWCHAR_T_CAST(c))
 648 #define wxCRT_IsspaceW(c)   iswspace(WXWCHAR_T_CAST(c))
 649 #define wxCRT_IsupperW(c)   iswupper(WXWCHAR_T_CAST(c))
 650 #define wxCRT_IsxdigitW(c)  iswxdigit(WXWCHAR_T_CAST(c))
 651
 652 #ifdef __GLIBC__
 653     #if defined(__GLIBC__) && (__GLIBC__ == 2) && (__GLIBC_MINOR__ == 0)
 654         /* /usr/include/wctype.h incorrectly declares translations */
 655         /* tables which provokes tons of compile-time warnings -- try */
 656         /* to correct this */
 657         #define wxCRT_TolowerW(wc) towctrans((wc), (wctrans_t)__ctype_tolower)
 658         #define wxCRT_ToupperW(wc) towctrans((wc), (wctrans_t)__ctype_toupper)
 659     #else /* !glibc 2.0 */
 660         #define wxCRT_TolowerW   towlower
 661         #define wxCRT_ToupperW   towupper
 662     #endif
 663 #else /* !__GLIBC__ */
 664     /* There is a bug in VC6 C RTL: toxxx() functions dosn't do anything
 665        with signed chars < 0, so "fix" it here. */
 666     #define wxCRT_TolowerW(c)   towlower((wxUChar)(wxChar)(c))
 667     #define wxCRT_ToupperW(c)   towupper((wxUChar)(wxChar)(c))
 668 #endif /* __GLIBC__/!__GLIBC__ */
 669
 670
 671
 672
 673
 674 /* -------------------------------------------------------------------------
 675        wx wrappers for CRT functions in both char* and wchar_t* versions
 676    ------------------------------------------------------------------------- */
 677
 678 #ifdef __cplusplus
 679
 680 /* NB: this belongs to wxcrt.h and not this header, but it makes life easier
 681  *     for buffer.h and stringimpl.h (both of which must be included before
 682  *     string.h, which is required by wxcrt.h) to have them here: */
 683
 684 /* safe version of strlen() (returns 0 if passed NULL pointer) */
 685 inline size_t wxStrlen(const char *s) { return s ? wxCRT_StrlenA(s) : 0; }
 686 inline size_t wxStrlen(const wchar_t *s) { return s ? wxCRT_StrlenW(s) : 0; }
 687 #ifndef wxWCHAR_T_IS_WXCHAR16
 688        WXDLLIMPEXP_BASE size_t wxStrlen(const wxChar16 *s );
 689 #endif
 690 #ifndef wxWCHAR_T_IS_WXCHAR32
 691        WXDLLIMPEXP_BASE size_t wxStrlen(const wxChar32 *s );
 692 #endif
 693 #define wxWcslen wxCRT_StrlenW
 694
 695 #define wxStrdupA wxCRT_StrdupA
 696 #define wxStrdupW wxCRT_StrdupW
 697 inline char* wxStrdup(const char *s) { return wxCRT_StrdupA(s); }
 698 inline wchar_t* wxStrdup(const wchar_t *s) { return wxCRT_StrdupW(s); }
 699 #ifndef wxWCHAR_T_IS_WXCHAR16
 700        WXDLLIMPEXP_BASE wxChar16* wxStrdup(const wxChar16* s);
 701 #endif
 702 #ifndef wxWCHAR_T_IS_WXCHAR32
 703        WXDLLIMPEXP_BASE wxChar32* wxStrdup(const wxChar32* s);
 704 #endif
 705
 706 #endif /* __cplusplus */
 707
 708 #endif /* _WX_WXCRTBASE_H_ */