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