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