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