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     Using -std=c++{98,0x} option with mingw32 disables most of standard
  57     library extensions, so we can't rely on the presence of common non-ANSI
  58     functions, define a special symbol to test for this. Notice that this
  59     doesn't need to be done for g++ under Linux where _GNU_SOURCE (which is
  60     defined by default) still makes all common extensions available even in
  61     ANSI mode.
  62  */
  63 #if defined(__MINGW32__) && defined(__STRICT_ANSI__)
  64     #define __WX_STRICT_ANSI_GCC__
  65 #endif
  66
  67 /*
  68    a few compilers don't have the (non standard but common) isascii function,
  69    define it ourselves for them
  70  */
  71 #ifndef isascii
  72     #if defined(__MWERKS__) || defined(__WX_STRICT_ANSI_GCC__)
  73         #define wxNEED_ISASCII
  74     #elif defined(_WIN32_WCE)
  75         #if _WIN32_WCE <= 211
  76             #define wxNEED_ISASCII
  77         #endif
  78     #endif
  79 #endif /* isascii */
  80
  81 #ifdef wxNEED_ISASCII
  82     inline int isascii(int c) { return (unsigned)c < 0x80; }
  83 #endif
  84
  85 #ifdef _WIN32_WCE
  86     #if _WIN32_WCE <= 211
  87         #define isspace(c) ((c) == wxT(' ') || (c) == wxT('\t'))
  88     #endif
  89 #endif /* _WIN32_WCE */
  90
  91 /* string.h functions */
  92 #ifndef strdup
  93     #if defined(__MWERKS__) && !defined(__MACH__) && (__MSL__ < 0x00008000)
  94         #define wxNEED_STRDUP
  95     #elif defined(__WXWINCE__)
  96         #if _WIN32_WCE <= 211
  97             #define wxNEED_STRDUP
  98         #endif
  99     #endif
 100 #endif /* strdup */
 101
 102 #ifdef wxNEED_STRDUP
 103     WXDLLIMPEXP_BASE char *strdup(const char* s);
 104 #endif
 105
 106 /* missing functions in some WinCE versions */
 107 #ifdef _WIN32_WCE
 108 #if (_WIN32_WCE < 300)
 109 WXDLLIMPEXP_BASE void *calloc( size_t num, size_t size );
 110 #endif
 111 #endif /* _WIN32_WCE */
 112
 113
 114 #if defined(__MWERKS__)
 115     /* Metrowerks only has wide char support for OS X >= 10.3 */
 116     #if !defined(__DARWIN__) || \
 117          (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3)
 118         #define wxHAVE_MWERKS_UNICODE
 119     #endif
 120
 121     #ifdef wxHAVE_MWERKS_UNICODE
 122         #define HAVE_WPRINTF   1
 123         #define HAVE_WCSRTOMBS 1
 124         #define HAVE_VSWPRINTF 1
 125     #endif
 126 #endif /* __MWERKS__ */
 127
 128
 129 /* -------------------------------------------------------------------------
 130                             UTF-8 locale handling
 131    ------------------------------------------------------------------------- */
 132
 133 #ifdef __cplusplus
 134     #if wxUSE_UNICODE_UTF8
 135         /* flag indicating whether the current locale uses UTF-8 or not; must be
 136            updated every time the locale is changed! */
 137         #if wxUSE_UTF8_LOCALE_ONLY
 138         #define wxLocaleIsUtf8 true
 139         #else
 140         extern WXDLLIMPEXP_BASE bool wxLocaleIsUtf8;
 141         #endif
 142         /* function used to update the flag: */
 143         extern WXDLLIMPEXP_BASE void wxUpdateLocaleIsUtf8();
 144     #else /* !wxUSE_UNICODE_UTF8 */
 145         inline void wxUpdateLocaleIsUtf8() {}
 146     #endif /* wxUSE_UNICODE_UTF8/!wxUSE_UNICODE_UTF8 */
 147 #endif /* __cplusplus */
 148
 149
 150 /* -------------------------------------------------------------------------
 151                                  string.h
 152    ------------------------------------------------------------------------- */
 153
 154 #define wxCRT_StrcatA    strcat
 155 #define wxCRT_StrchrA    strchr
 156 #define wxCRT_StrcmpA    strcmp
 157 #define wxCRT_StrcpyA    strcpy
 158 #define wxCRT_StrcspnA   strcspn
 159 #define wxCRT_StrlenA    strlen
 160 #define wxCRT_StrncatA   strncat
 161 #define wxCRT_StrncmpA   strncmp
 162 #define wxCRT_StrncpyA   strncpy
 163 #define wxCRT_StrpbrkA   strpbrk
 164 #define wxCRT_StrrchrA   strrchr
 165 #define wxCRT_StrspnA    strspn
 166 #define wxCRT_StrstrA    strstr
 167
 168 #define wxCRT_StrcatW    wcscat
 169 #define wxCRT_StrchrW    wcschr
 170 #define wxCRT_StrcmpW    wcscmp
 171 #define wxCRT_StrcpyW    wcscpy
 172 #define wxCRT_StrcspnW   wcscspn
 173 #define wxCRT_StrncatW   wcsncat
 174 #define wxCRT_StrncmpW   wcsncmp
 175 #define wxCRT_StrncpyW   wcsncpy
 176 #define wxCRT_StrpbrkW   wcspbrk
 177 #define wxCRT_StrrchrW   wcsrchr
 178 #define wxCRT_StrspnW    wcsspn
 179 #define wxCRT_StrstrW    wcsstr
 180
 181 /* these functions are not defined under CE, at least in VC8 CRT */
 182 #if !defined(__WXWINCE__) && !defined(__WXPALMOS__)
 183     #define wxCRT_StrcollA   strcoll
 184     #define wxCRT_StrxfrmA   strxfrm
 185
 186     #define wxCRT_StrcollW   wcscoll
 187     #define wxCRT_StrxfrmW   wcsxfrm
 188 #endif /* __WXWINCE__ */
 189
 190 /* Almost all compiler have strdup(), but not quite all: CodeWarrior under
 191    Mac and VC++ for Windows CE don't provide it; additionally, gcc under
 192    Mac and OpenVMS do not have wcsdup: */
 193 #if defined(__VISUALC__) && __VISUALC__ >= 1400
 194     #define wxCRT_StrdupA _strdup
 195 #elif !((defined(__MWERKS__) && defined(__WXMAC__)) || \
 196         defined(__WXWINCE__) || \
 197         defined(__WX_STRICT_ANSI_GCC__))
 198     #define wxCRT_StrdupA strdup
 199 #endif
 200
 201 // most Windows compilers provide _wcsdup()
 202 #if defined(__WINDOWS__) && \
 203         !(defined(__CYGWIN__) || defined(__WX_STRICT_ANSI_GCC__))
 204     #define wxCRT_StrdupW _wcsdup
 205 #elif defined(HAVE_WCSDUP)
 206     #define wxCRT_StrdupW wcsdup
 207 #endif
 208
 209 #ifdef wxHAVE_TCHAR_SUPPORT
 210     /* we surely have wchar_t if we have TCHAR have wcslen() */
 211     #ifndef HAVE_WCSLEN
 212         #define HAVE_WCSLEN
 213     #endif
 214 #endif /* wxHAVE_TCHAR_SUPPORT */
 215
 216 #ifdef HAVE_WCSLEN
 217     #define wxCRT_StrlenW wcslen
 218 #endif
 219
 220 #define wxCRT_StrtodA    strtod
 221 #define wxCRT_StrtolA    strtol
 222 #define wxCRT_StrtoulA   strtoul
 223 #define wxCRT_StrtodW    wcstod
 224 #define wxCRT_StrtolW    wcstol
 225 #define wxCRT_StrtoulW   wcstoul
 226
 227 #ifdef __VISUALC__
 228     #if __VISUALC__ >= 1300 && !defined(__WXWINCE__)
 229         #define wxCRT_StrtollA   _strtoi64
 230         #define wxCRT_StrtoullA  _strtoui64
 231         #define wxCRT_StrtollW   _wcstoi64
 232         #define wxCRT_StrtoullW  _wcstoui64
 233     #endif /* VC++ 7+ */
 234 #else
 235     #ifdef HAVE_STRTOULL
 236         #define wxCRT_StrtollA   strtoll
 237         #define wxCRT_StrtoullA  strtoull
 238     #endif /* HAVE_STRTOULL */
 239     #ifdef HAVE_WCSTOULL
 240         /* assume that we have wcstoull(), which is also C99, too */
 241         #define wxCRT_StrtollW   wcstoll
 242         #define wxCRT_StrtoullW  wcstoull
 243     #endif /* HAVE_WCSTOULL */
 244 #endif
 245
 246 /*
 247     Only VC8 and later provide strnlen() and wcsnlen() functions under Windows
 248     and it's also only available starting from Windows CE 6.0 only in CE build.
 249  */
 250 #if wxCHECK_VISUALC_VERSION(8) && (!defined(_WIN32_WCE) || (_WIN32_WCE >= 0x600))
 251     #ifndef HAVE_STRNLEN
 252         #define HAVE_STRNLEN
 253     #endif
 254     #ifndef HAVE_WCSNLEN
 255         #define HAVE_WCSNLEN
 256     #endif
 257 #endif
 258
 259 #ifdef HAVE_STRNLEN
 260     #define wxCRT_StrnlenA  strnlen
 261 #endif
 262
 263 #ifdef HAVE_WCSNLEN
 264     #define wxCRT_StrnlenW  wcsnlen
 265 #endif
 266
 267 /* define wxCRT_StricmpA/W and wxCRT_StrnicmpA/W for various compilers */
 268
 269 #if defined(__BORLANDC__) || defined(__WATCOMC__) || \
 270         defined(__VISAGECPP__) || \
 271         defined(__EMX__) || defined(__DJGPP__)
 272     #define wxCRT_StricmpA stricmp
 273     #define wxCRT_StrnicmpA strnicmp
 274 #elif defined(__WXPALMOS__)
 275     /* FIXME: There is no equivalent to strnicmp in the Palm OS API.  This
 276      * quick hack should do until one can be written.
 277      */
 278     #define wxCRT_StricmpA StrCaselessCompare
 279     #define wxCRT_StrnicmpA StrNCaselessCompare
 280 #elif defined(__SYMANTEC__) || defined(__VISUALC__) || \
 281         (defined(__MWERKS__) && defined(__INTEL__))
 282     #define wxCRT_StricmpA _stricmp
 283     #define wxCRT_StrnicmpA _strnicmp
 284 #elif defined(__UNIX__) || (defined(__GNUWIN32__) && !defined(__WX_STRICT_ANSI_GCC__))
 285     #define wxCRT_StricmpA strcasecmp
 286     #define wxCRT_StrnicmpA strncasecmp
 287 /* #else -- use wxWidgets implementation */
 288 #endif
 289
 290 #ifdef __VISUALC__
 291     #define wxCRT_StricmpW _wcsicmp
 292     #define wxCRT_StrnicmpW _wcsnicmp
 293 #elif defined(__UNIX__)
 294     #ifdef HAVE_WCSCASECMP
 295         #define wxCRT_StricmpW wcscasecmp
 296     #endif
 297     #ifdef HAVE_WCSNCASECMP
 298         #define wxCRT_StrnicmpW wcsncasecmp
 299     #endif
 300 /* #else -- use wxWidgets implementation */
 301 #endif
 302
 303 #ifdef HAVE_STRTOK_R
 304     #define  wxCRT_StrtokA(str, sep, last)    strtok_r(str, sep, last)
 305 #endif
 306 /* FIXME-UTF8: detect and use wcstok() if available for wxCRT_StrtokW */
 307
 308 /* these are extern "C" because they are used by regex lib: */
 309 #ifdef __cplusplus
 310 extern "C" {
 311 #endif
 312
 313 #ifndef wxCRT_StrlenW
 314 WXDLLIMPEXP_BASE size_t wxCRT_StrlenW(const wchar_t *s);
 315 #endif
 316
 317 #ifndef wxCRT_StrncmpW
 318 WXDLLIMPEXP_BASE int wxCRT_StrncmpW(const wchar_t *s1, const wchar_t *s2, size_t n);
 319 #endif
 320
 321 #ifdef __cplusplus
 322 }
 323 #endif
 324
 325 /* FIXME-UTF8: remove this once we are Unicode only */
 326 #if wxUSE_UNICODE
 327     #define wxCRT_StrlenNative  wxCRT_StrlenW
 328     #define wxCRT_StrncmpNative wxCRT_StrncmpW
 329     #define wxCRT_ToupperNative wxCRT_ToupperW
 330     #define wxCRT_TolowerNative wxCRT_TolowerW
 331 #else
 332     #define wxCRT_StrlenNative  wxCRT_StrlenA
 333     #define wxCRT_StrncmpNative wxCRT_StrncmpA
 334     #define wxCRT_ToupperNative toupper
 335     #define wxCRT_TolowerNative tolower
 336 #endif
 337
 338 #ifndef wxCRT_StrcatW
 339 WXDLLIMPEXP_BASE wchar_t *wxCRT_StrcatW(wchar_t *dest, const wchar_t *src);
 340 #endif
 341
 342 #ifndef wxCRT_StrchrW
 343 WXDLLIMPEXP_BASE const wchar_t *wxCRT_StrchrW(const wchar_t *s, wchar_t c);
 344 #endif
 345
 346 #ifndef wxCRT_StrcmpW
 347 WXDLLIMPEXP_BASE int wxCRT_StrcmpW(const wchar_t *s1, const wchar_t *s2);
 348 #endif
 349
 350 #ifndef wxCRT_StrcollW
 351 WXDLLIMPEXP_BASE int wxCRT_StrcollW(const wchar_t *s1, const wchar_t *s2);
 352 #endif
 353
 354 #ifndef wxCRT_StrcpyW
 355 WXDLLIMPEXP_BASE wchar_t *wxCRT_StrcpyW(wchar_t *dest, const wchar_t *src);
 356 #endif
 357
 358 #ifndef wxCRT_StrcspnW
 359 WXDLLIMPEXP_BASE size_t wxCRT_StrcspnW(const wchar_t *s, const wchar_t *reject);
 360 #endif
 361
 362 #ifndef wxCRT_StrncatW
 363 WXDLLIMPEXP_BASE wchar_t *wxCRT_StrncatW(wchar_t *dest, const wchar_t *src, size_t n);
 364 #endif
 365
 366 #ifndef wxCRT_StrncpyW
 367 WXDLLIMPEXP_BASE wchar_t *wxCRT_StrncpyW(wchar_t *dest, const wchar_t *src, size_t n);
 368 #endif
 369
 370 #ifndef wxCRT_StrpbrkW
 371 WXDLLIMPEXP_BASE const wchar_t *wxCRT_StrpbrkW(const wchar_t *s, const wchar_t *accept);
 372 #endif
 373
 374 #ifndef wxCRT_StrrchrW
 375 WXDLLIMPEXP_BASE const wchar_t *wxCRT_StrrchrW(const wchar_t *s, wchar_t c);
 376 #endif
 377
 378 #ifndef wxCRT_StrspnW
 379 WXDLLIMPEXP_BASE size_t wxCRT_StrspnW(const wchar_t *s, const wchar_t *accept);
 380 #endif
 381
 382 #ifndef wxCRT_StrstrW
 383 WXDLLIMPEXP_BASE const wchar_t *wxCRT_StrstrW(const wchar_t *haystack, const wchar_t *needle);
 384 #endif
 385
 386 #ifndef wxCRT_StrtodW
 387 WXDLLIMPEXP_BASE double wxCRT_StrtodW(const wchar_t *nptr, wchar_t **endptr);
 388 #endif
 389
 390 #ifndef wxCRT_StrtolW
 391 WXDLLIMPEXP_BASE long int wxCRT_StrtolW(const wchar_t *nptr, wchar_t **endptr, int base);
 392 #endif
 393
 394 #ifndef wxCRT_StrtoulW
 395 WXDLLIMPEXP_BASE unsigned long int wxCRT_StrtoulW(const wchar_t *nptr, wchar_t **endptr, int base);
 396 #endif
 397
 398 #ifndef wxCRT_StrxfrmW
 399 WXDLLIMPEXP_BASE size_t wxCRT_StrxfrmW(wchar_t *dest, const wchar_t *src, size_t n);
 400 #endif
 401
 402 #ifndef wxCRT_StrdupA
 403 WXDLLIMPEXP_BASE char *wxCRT_StrdupA(const char *psz);
 404 #endif
 405
 406 #ifndef wxCRT_StrdupW
 407 WXDLLIMPEXP_BASE wchar_t *wxCRT_StrdupW(const wchar_t *pwz);
 408 #endif
 409
 410 #ifndef wxCRT_StricmpA
 411 WXDLLIMPEXP_BASE int wxCRT_StricmpA(const char *psz1, const char *psz2);
 412 #endif
 413
 414 #ifndef wxCRT_StricmpW
 415 WXDLLIMPEXP_BASE int wxCRT_StricmpW(const wchar_t *psz1, const wchar_t *psz2);
 416 #endif
 417
 418 #ifndef wxCRT_StrnicmpA
 419 WXDLLIMPEXP_BASE int wxCRT_StrnicmpA(const char *psz1, const char *psz2, size_t len);
 420 #endif
 421
 422 #ifndef wxCRT_StrnicmpW
 423 WXDLLIMPEXP_BASE int wxCRT_StrnicmpW(const wchar_t *psz1, const wchar_t *psz2, size_t len);
 424 #endif
 425
 426 #ifndef wxCRT_StrtokA
 427 WXDLLIMPEXP_BASE char *wxCRT_StrtokA(char *psz, const char *delim, char **save_ptr);
 428 #endif
 429
 430 #ifndef wxCRT_StrtokW
 431 WXDLLIMPEXP_BASE wchar_t *wxCRT_StrtokW(wchar_t *psz, const wchar_t *delim, wchar_t **save_ptr);
 432 #endif
 433
 434 /* supply strtoll and strtoull, if needed */
 435 #ifdef wxLongLong_t
 436     #ifndef wxCRT_StrtollA
 437         WXDLLIMPEXP_BASE wxLongLong_t wxCRT_StrtollA(const char* nptr,
 438                                                      char** endptr,
 439                                                      int base);
 440         WXDLLIMPEXP_BASE wxULongLong_t wxCRT_StrtoullA(const char* nptr,
 441                                                        char** endptr,
 442                                                        int base);
 443     #endif
 444     #ifndef wxCRT_StrtollW
 445         WXDLLIMPEXP_BASE wxLongLong_t wxCRT_StrtollW(const wchar_t* nptr,
 446                                                      wchar_t** endptr,
 447                                                      int base);
 448         WXDLLIMPEXP_BASE wxULongLong_t wxCRT_StrtoullW(const wchar_t* nptr,
 449                                                        wchar_t** endptr,
 450                                                        int base);
 451     #endif
 452 #endif // wxLongLong_t
 453
 454
 455 /* -------------------------------------------------------------------------
 456                                   stdio.h
 457    ------------------------------------------------------------------------- */
 458
 459 #if defined(__UNIX__) || defined(__WXMAC__) || defined(__WXPALMOS__)
 460     #define wxMBFILES 1
 461 #else
 462     #define wxMBFILES 0
 463 #endif
 464
 465
 466 /* these functions are only needed in the form used for filenames (i.e. char*
 467    on Unix, wchar_t* on Windows), so we don't need to use A/W suffix: */
 468 #if wxMBFILES || !wxUSE_UNICODE /* ANSI filenames */
 469
 470     #define wxCRT_Fopen   fopen
 471     #define wxCRT_Freopen freopen
 472     #define wxCRT_Remove  remove
 473     #define wxCRT_Rename  rename
 474
 475 #else /* Unicode filenames */
 476     /* special case: these functions are missing under Win9x with Unicows so we
 477        have to implement them ourselves */
 478     #if wxUSE_UNICODE_MSLU || defined(__WX_STRICT_ANSI_GCC__)
 479             WXDLLIMPEXP_BASE FILE* wxMSLU__wfopen(const wchar_t *name, const wchar_t *mode);
 480             WXDLLIMPEXP_BASE FILE* wxMSLU__wfreopen(const wchar_t *name, const wchar_t *mode, FILE *stream);
 481             WXDLLIMPEXP_BASE int wxMSLU__wrename(const wchar_t *oldname, const wchar_t *newname);
 482             WXDLLIMPEXP_BASE int wxMSLU__wremove(const wchar_t *name);
 483             #define wxCRT_Fopen     wxMSLU__wfopen
 484             #define wxCRT_Freopen   wxMSLU__wfreopen
 485             #define wxCRT_Remove    wxMSLU__wremove
 486             #define wxCRT_Rename    wxMSLU__wrename
 487     #else
 488         /* WinCE CRT doesn't provide these functions so use our own */
 489         #ifdef __WXWINCE__
 490             WXDLLIMPEXP_BASE int wxCRT_Rename(const wchar_t *src,
 491                                               const wchar_t *dst);
 492             WXDLLIMPEXP_BASE int wxCRT_Remove(const wchar_t *path);
 493         #else
 494             #define wxCRT_Rename   _wrename
 495             #define wxCRT_Remove _wremove
 496         #endif
 497         #define wxCRT_Fopen    _wfopen
 498         #define wxCRT_Freopen  _wfreopen
 499     #endif
 500
 501 #endif /* wxMBFILES/!wxMBFILES */
 502
 503 #define wxCRT_PutsA       puts
 504 #define wxCRT_FputsA      fputs
 505 #define wxCRT_FgetsA      fgets
 506 #define wxCRT_FputcA      fputc
 507 #define wxCRT_FgetcA      fgetc
 508 #define wxCRT_UngetcA     ungetc
 509
 510 #ifdef wxHAVE_TCHAR_SUPPORT
 511     #define wxCRT_PutsW   _putws
 512     #define wxCRT_FputsW  fputws
 513     #define wxCRT_FputcW  fputwc
 514 #endif
 515 #ifdef HAVE_FPUTWS
 516     #define wxCRT_FputsW  fputws
 517 #endif
 518 #ifdef HAVE_PUTWS
 519     #define wxCRT_PutsW   putws
 520 #endif
 521 #ifdef HAVE_FPUTWC
 522     #define wxCRT_FputcW  fputwc
 523 #endif
 524 #define wxCRT_FgetsW  fgetws
 525
 526 #ifndef wxCRT_PutsW
 527 WXDLLIMPEXP_BASE int wxCRT_PutsW(const wchar_t *ws);
 528 #endif
 529
 530 #ifndef wxCRT_FputsW
 531 WXDLLIMPEXP_BASE int wxCRT_FputsW(const wchar_t *ch, FILE *stream);
 532 #endif
 533
 534 #ifndef wxCRT_FputcW
 535 WXDLLIMPEXP_BASE int wxCRT_FputcW(wchar_t wc, FILE *stream);
 536 #endif
 537
 538 /*
 539    NB: tmpnam() is unsafe and thus is not wrapped!
 540        Use other wxWidgets facilities instead:
 541         wxFileName::CreateTempFileName, wxTempFile, or wxTempFileOutputStream
 542 */
 543 #define wxTmpnam(x)         wxTmpnam_is_insecure_use_wxTempFile_instead
 544
 545 /* FIXME-CE: provide our own perror() using ::GetLastError() */
 546 #ifndef __WXWINCE__
 547
 548 #define wxCRT_PerrorA   perror
 549 #ifdef wxHAVE_TCHAR_SUPPORT
 550     #define wxCRT_PerrorW _wperror
 551 #endif
 552
 553 #endif /* !__WXWINCE__ */
 554
 555 /* -------------------------------------------------------------------------
 556                                   stdlib.h
 557    ------------------------------------------------------------------------- */
 558
 559 /* there are no env vars at all under CE, so no _tgetenv neither */
 560 #ifdef __WXWINCE__
 561     /* can't define as inline function as this is a C file... */
 562     #define wxCRT_GetenvA(name)     (name, NULL)
 563     #define wxCRT_GetenvW(name)     (name, NULL)
 564 #else
 565     #define wxCRT_GetenvA           getenv
 566     #ifdef _tgetenv
 567         #define wxCRT_GetenvW       _wgetenv
 568     #endif
 569 #endif
 570
 571 #ifndef wxCRT_GetenvW
 572 WXDLLIMPEXP_BASE wchar_t * wxCRT_GetenvW(const wchar_t *name);
 573 #endif
 574
 575
 576 #define wxCRT_SystemA               system
 577 /* mingw32 doesn't provide _tsystem() or _wsystem(): */
 578 #if defined(_tsystem)
 579     #define  wxCRT_SystemW          _wsystem
 580 #endif
 581
 582 #define wxCRT_AtofA                 atof
 583 #define wxCRT_AtoiA                 atoi
 584 #define wxCRT_AtolA                 atol
 585
 586 #if defined(__MWERKS__)
 587     #if defined(__MSL__)
 588         #define wxCRT_AtofW         watof
 589         #define wxCRT_AtoiW         watoi
 590         #define wxCRT_AtolW         watol
 591     /* else: use ANSI versions */
 592     #endif
 593 #elif defined(wxHAVE_TCHAR_SUPPORT) && !defined(__WX_STRICT_ANSI_GCC__)
 594     #define  wxCRT_AtoiW           _wtoi
 595     #define  wxCRT_AtolW           _wtol
 596     /* _wtof doesn't exist */
 597 #else
 598 #ifndef __VMS
 599     #define wxCRT_AtofW(s)         wcstod(s, NULL)
 600 #endif
 601     #define wxCRT_AtolW(s)         wcstol(s, NULL, 10)
 602     /* wcstoi doesn't exist */
 603 #endif
 604
 605 /*
 606     There are 2 unrelated problems with these functions under Mac:
 607         a) Metrowerks MSL CRT implements them strictly in C99 sense and
 608            doesn't support (very common) extension of allowing to call
 609            mbstowcs(NULL, ...) which makes it pretty useless as you can't
 610            know the size of the needed buffer
 611         b) OS X <= 10.2 declares and even defined these functions but
 612            doesn't really implement them -- they always return an error
 613
 614     So use our own replacements in both cases.
 615  */
 616 #if defined(__MWERKS__) && defined(__MSL__)
 617     #define wxNEED_WX_MBSTOWCS
 618 #endif
 619 #if defined(__WXPALMOS__)
 620     #define wxNEED_WX_MBSTOWCS
 621 #endif
 622
 623 #ifdef __DARWIN__
 624     #if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_2
 625         #define wxNEED_WX_MBSTOWCS
 626     #endif
 627 #endif
 628
 629 #ifdef wxNEED_WX_MBSTOWCS
 630     /* even though they are defined and "implemented", they are bad and just
 631        stubs so we need our own - we need these even in ANSI builds!! */
 632     WXDLLIMPEXP_BASE size_t wxMbstowcs(wchar_t *, const char *, size_t);
 633     WXDLLIMPEXP_BASE size_t wxWcstombs(char *, const wchar_t *, size_t);
 634 #else
 635     #define wxMbstowcs mbstowcs
 636     #define wxWcstombs wcstombs
 637 #endif
 638
 639
 640
 641 /* -------------------------------------------------------------------------
 642                                 time.h
 643    ------------------------------------------------------------------------- */
 644
 645 #define wxCRT_StrftimeA  strftime
 646 #ifdef __SGI__
 647     /*
 648         IRIX provides not one but two versions of wcsftime(): XPG4 one which
 649         uses "const char*" for the third parameter and so can't be used and the
 650         correct, XPG5, one. Unfortunately we can't just define _XOPEN_SOURCE
 651         high enough to get XPG5 version as this undefines other symbols which
 652         make other functions we use unavailable (see <standards.h> for gory
 653         details). So just declare the XPG5 version ourselves, we're extremely
 654         unlikely to ever be compiled on a system without it. But if we ever do,
 655         a configure test would need to be added for it (and _MIPS_SYMBOL_PRESENT
 656         should be used to check for its presence during run-time, i.e. it would
 657         probably be simpler to just always use our own wxCRT_StrftimeW() below
 658         if it does ever become a problem).
 659      */
 660 #ifdef __cplusplus
 661     extern "C"
 662 #endif
 663     size_t
 664     _xpg5_wcsftime(wchar_t *, size_t, const wchar_t *, const struct tm * );
 665     #define wxCRT_StrftimeW _xpg5_wcsftime
 666 #else
 667     #ifndef __WXPALMOS__
 668         // assume it's always available, this does seem to be the case for now
 669         #define wxCRT_StrftimeW  wcsftime
 670     #endif /* ! __WXPALMOS__ */
 671 #endif
 672
 673 #ifndef wxCRT_StrftimeW
 674 WXDLLIMPEXP_BASE size_t wxCRT_StrftimeW(wchar_t *s, size_t max,
 675                                         const wchar_t *fmt,
 676                                         const struct tm *tm);
 677 #endif
 678
 679
 680
 681 /* -------------------------------------------------------------------------
 682                                 ctype.h
 683    ------------------------------------------------------------------------- */
 684
 685 #ifdef __WATCOMC__
 686   #define WXWCHAR_T_CAST(c) (wint_t)(c)
 687 #else
 688   #define WXWCHAR_T_CAST(c) c
 689 #endif
 690
 691 #define wxCRT_IsalnumW(c)   iswalnum(WXWCHAR_T_CAST(c))
 692 #define wxCRT_IsalphaW(c)   iswalpha(WXWCHAR_T_CAST(c))
 693 #define wxCRT_IscntrlW(c)   iswcntrl(WXWCHAR_T_CAST(c))
 694 #define wxCRT_IsdigitW(c)   iswdigit(WXWCHAR_T_CAST(c))
 695 #define wxCRT_IsgraphW(c)   iswgraph(WXWCHAR_T_CAST(c))
 696 #define wxCRT_IslowerW(c)   iswlower(WXWCHAR_T_CAST(c))
 697 #define wxCRT_IsprintW(c)   iswprint(WXWCHAR_T_CAST(c))
 698 #define wxCRT_IspunctW(c)   iswpunct(WXWCHAR_T_CAST(c))
 699 #define wxCRT_IsspaceW(c)   iswspace(WXWCHAR_T_CAST(c))
 700 #define wxCRT_IsupperW(c)   iswupper(WXWCHAR_T_CAST(c))
 701 #define wxCRT_IsxdigitW(c)  iswxdigit(WXWCHAR_T_CAST(c))
 702
 703 #ifdef __GLIBC__
 704     #if defined(__GLIBC__) && (__GLIBC__ == 2) && (__GLIBC_MINOR__ == 0)
 705         /* /usr/include/wctype.h incorrectly declares translations */
 706         /* tables which provokes tons of compile-time warnings -- try */
 707         /* to correct this */
 708         #define wxCRT_TolowerW(wc) towctrans((wc), (wctrans_t)__ctype_tolower)
 709         #define wxCRT_ToupperW(wc) towctrans((wc), (wctrans_t)__ctype_toupper)
 710     #else /* !glibc 2.0 */
 711         #define wxCRT_TolowerW   towlower
 712         #define wxCRT_ToupperW   towupper
 713     #endif
 714 #else /* !__GLIBC__ */
 715     /* There is a bug in VC6 C RTL: toxxx() functions dosn't do anything
 716        with signed chars < 0, so "fix" it here. */
 717     #define wxCRT_TolowerW(c)   towlower((wxUChar)(wxChar)(c))
 718     #define wxCRT_ToupperW(c)   towupper((wxUChar)(wxChar)(c))
 719 #endif /* __GLIBC__/!__GLIBC__ */
 720
 721
 722
 723
 724
 725 /* -------------------------------------------------------------------------
 726        wx wrappers for CRT functions in both char* and wchar_t* versions
 727    ------------------------------------------------------------------------- */
 728
 729 #ifdef __cplusplus
 730
 731 /* NB: this belongs to wxcrt.h and not this header, but it makes life easier
 732  *     for buffer.h and stringimpl.h (both of which must be included before
 733  *     string.h, which is required by wxcrt.h) to have them here: */
 734
 735 /* safe version of strlen() (returns 0 if passed NULL pointer) */
 736 inline size_t wxStrlen(const char *s) { return s ? wxCRT_StrlenA(s) : 0; }
 737 inline size_t wxStrlen(const wchar_t *s) { return s ? wxCRT_StrlenW(s) : 0; }
 738 #ifndef wxWCHAR_T_IS_WXCHAR16
 739        WXDLLIMPEXP_BASE size_t wxStrlen(const wxChar16 *s );
 740 #endif
 741 #ifndef wxWCHAR_T_IS_WXCHAR32
 742        WXDLLIMPEXP_BASE size_t wxStrlen(const wxChar32 *s );
 743 #endif
 744 #define wxWcslen wxCRT_StrlenW
 745
 746 #define wxStrdupA wxCRT_StrdupA
 747 #define wxStrdupW wxCRT_StrdupW
 748 inline char* wxStrdup(const char *s) { return wxCRT_StrdupA(s); }
 749 inline wchar_t* wxStrdup(const wchar_t *s) { return wxCRT_StrdupW(s); }
 750 #ifndef wxWCHAR_T_IS_WXCHAR16
 751        WXDLLIMPEXP_BASE wxChar16* wxStrdup(const wxChar16* s);
 752 #endif
 753 #ifndef wxWCHAR_T_IS_WXCHAR32
 754        WXDLLIMPEXP_BASE wxChar32* wxStrdup(const wxChar32* s);
 755 #endif
 756
 757 #endif /* __cplusplus */
 758
 759 #endif /* _WX_WXCRTBASE_H_ */