include/wx/wxchar.h

   1 /*
   2  * Name:        wx/wxchar.h
   3  * Purpose:     Declarations common to wx char/wchar_t usage (wide chars)
   4  * Author:      Joel Farley, Ove Kåven
   5  * Modified by: Vadim Zeitlin, Robert Roebling
   6  * Created:     1998/06/12
   7  * RCS-ID:      $Id$
   8  * Copyright:   (c) 1998-2002 wxWindows dev team
   9  * Licence:     wxWindows licence
  10  */
  11
  12 /* THIS IS A C FILE, DON'T USE C++ FEATURES (IN PARTICULAR COMMENTS) IN IT */
  13
  14 #ifndef _WX_WXCHAR_H_
  15 #define _WX_WXCHAR_H_
  16
  17 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  18     #pragma interface "wxchar.h"
  19 #endif
  20
  21 #include "wx/defs.h"        /* for wxUSE_UNICODE */
  22
  23 /* check whether we have wchar_t and which size it is if we do */
  24 #if !defined(wxUSE_WCHAR_T)
  25     #if defined(__WIN16__)
  26         /* no wchar_t under Win16 regadrless of compiler used */
  27         #define wxUSE_WCHAR_T 0
  28     #elif defined(__UNIX__)
  29         #if defined(HAVE_WCSTR_H) || defined(HAVE_WCHAR_H) || defined(__FreeBSD__) || defined(__DARWIN__)
  30             #define wxUSE_WCHAR_T 1
  31         #else
  32             #define wxUSE_WCHAR_T 0
  33         #endif
  34     #elif defined(__GNUWIN32__) && !defined(__MINGW32__)
  35         #define wxUSE_WCHAR_T 0
  36     #elif defined(__WATCOMC__)
  37         #define wxUSE_WCHAR_T 0
  38     #elif defined(__VISAGECPP__) && (__IBMCPP__ < 400)
  39         #define wxUSE_WCHAR_T 0
  40     #else
  41         /* add additional compiler checks if this fails */
  42         #define wxUSE_WCHAR_T 1
  43     #endif
  44 #endif /* !defined(wxUSE_WCHAR_T) */
  45
  46 /* Unicode support requires wchar_t */
  47 #if wxUSE_UNICODE && !wxUSE_WCHAR_T
  48     #error "wchar_t must be available in Unicode build"
  49 #endif /* Unicode */
  50
  51 /*
  52     Standard headers we need here.
  53
  54     NB: don't include any wxWindows headers here because almost of them include
  55         this one!
  56  */
  57
  58 /* Required for wxPrintf() etc */
  59 #include <stdarg.h>
  60
  61 /* Almost all compiler have strdup(), but not quite all: CodeWarrior under Mac */
  62 /* and VC++ for Windows CE don't provide it */
  63 #if !(defined(__MWERKS__) && defined(__WXMAC__)) && !defined(__WXWINCE__)
  64     /* use #define, not inline wrapper, as it is tested with #ifndef below */
  65     #define wxStrdupA strdup
  66 #endif
  67
  68 /*
  69    non Unix compilers which do have wchar.h (but not tchar.h which is included
  70    below and which includes wchar.h anyhow).
  71
  72    Actually MinGW has tchar.h, but it does not include wchar.h
  73  */
  74 #if defined(__MWERKS__) || defined(__VISAGECPP__) || defined(__MINGW32__) || defined(__WATCOMC__)
  75     #ifndef HAVE_WCHAR_H
  76         #define HAVE_WCHAR_H
  77     #endif
  78 #endif
  79 #if defined(__MWERKS__) && !defined(__MACH__)
  80         #ifndef HAVE_WCSLEN
  81                 #define HAVE_WCSLEN
  82         #endif
  83 #endif
  84
  85 #if wxUSE_WCHAR_T
  86     #ifdef HAVE_WCHAR_H
  87         /* the current (as of Nov 2002) version of cygwin has a bug in its */
  88         /* wchar.h -- there is no extern "C" around the declarations in it and */
  89         /* this results in linking errors later; also, at least on some */
  90         /* Cygwin versions, wchar.h requires sys/types.h */
  91         #ifdef __CYGWIN__
  92             #include <sys/types.h>
  93             extern "C" {
  94         #endif /* Cygwin */
  95                 #include <wchar.h>
  96         #ifdef __CYGWIN__
  97             }
  98         #endif /* Cygwin */
  99     #elif defined(HAVE_WCSTR_H)
 100         /* old compilers have relevant declarations here */
 101         #include <wcstr.h>
 102     #elif defined(__FreeBSD__) || defined(__DARWIN__) || defined(__EMX__)
 103         /* include stdlib.h for wchar_t */
 104         #include <stdlib.h>
 105     #endif /* HAVE_WCHAR_H */
 106 #endif /* wxUSE_WCHAR_T */
 107
 108 /* ---------------------------------------------------------------------------- */
 109 /* define wxHAVE_TCHAR_SUPPORT for the compilers which support the TCHAR type */
 110 /* mapped to either char or wchar_t depending on the ASCII/Unicode mode and have */
 111 /* the function mapping _tfoo() -> foo() or wfoo() */
 112 /* ---------------------------------------------------------------------------- */
 113
 114 /* VC++ and BC++ starting with 5.2 have TCHAR support */
 115 #ifdef __VISUALC__
 116     #define wxHAVE_TCHAR_SUPPORT
 117 #elif defined(__BORLANDC__) && (__BORLANDC__ >= 0x520)
 118     #define wxHAVE_TCHAR_SUPPORT
 119     #include <ctype.h>
 120 #elif defined(__WATCOMC__)
 121     #define wxHAVE_TCHAR_SUPPORT
 122 #elif defined(__DMC__)
 123     #define wxHAVE_TCHAR_SUPPORT
 124 #elif defined(__MINGW32__) && wxCHECK_W32API_VERSION( 1, 0 )
 125     #define wxHAVE_TCHAR_SUPPORT
 126     #include <stddef.h>
 127     #include <string.h>
 128     #include <ctype.h>
 129 #elif 0 && defined(__VISAGECPP__) && (__IBMCPP__ >= 400)
 130     /* VZ: the old VisualAge definitions were completely wrong and had no */
 131     /*     chance at all to work in Unicode build anyhow so let's pretend that */
 132     /*     VisualAge does _not_ support TCHAR for the moment (as indicated by */
 133     /*     "0 &&" above) until someone really has time to delve into Unicode */
 134     /*     issues under OS/2 */
 135
 136     /* VisualAge 4.0+ supports TCHAR */
 137     #define wxHAVE_TCHAR_SUPPORT
 138 #endif /* compilers with (good) TCHAR support */
 139
 140 #ifdef __MWERKS__
 141     #define HAVE_WPRINTF
 142 #endif
 143
 144 #ifdef wxHAVE_TCHAR_SUPPORT
 145     /* get TCHAR definition if we've got it */
 146     #include <tchar.h>
 147
 148     /* we surely do have wchar_t if we have TCHAR */
 149     #ifndef wxUSE_WCHAR_T
 150         #define wxUSE_WCHAR_T 1
 151     #endif /* !defined(wxUSE_WCHAR_T) */
 152
 153     /* and we also do have wcslen() */
 154     #ifndef HAVE_WCSLEN
 155         #define HAVE_WCSLEN
 156     #endif
 157 #endif /* wxHAVE_TCHAR_SUPPORT */
 158
 159 /* ---------------------------------------------------------------------------- */
 160 /* define wxChar type */
 161 /* ---------------------------------------------------------------------------- */
 162
 163 /* TODO: define wxCharInt to be equal to either int or wint_t? */
 164
 165 #if !wxUSE_UNICODE
 166     typedef char wxChar;
 167     typedef signed char wxSChar;
 168     typedef unsigned char wxUChar;
 169 #else /* Unicode */
 170     /* VZ: note that VC++ defines _T[SU]CHAR simply as wchar_t and not as */
 171     /*     signed/unsigned version of it which (a) makes sense to me (unlike */
 172     /*     char wchar_t is always unsigned) and (b) was how the previous */
 173     /*     definitions worked so keep it like this */
 174
 175     /* GNU libc has __WCHAR_TYPE__ which requires special treatment, see */
 176     /* comment below */
 177     #if !defined(__WCHAR_TYPE__) || \
 178         (!defined(__GNUC__) || wxCHECK_GCC_VERSION(2, 96))
 179         /* standard case */
 180         typedef wchar_t wxChar;
 181         typedef wchar_t wxSChar;
 182         typedef wchar_t wxUChar;
 183     #else /* __WCHAR_TYPE__ and gcc < 2.96 */
 184         /* VS: wxWindows used to define wxChar as __WCHAR_TYPE__ here. However, */
 185         /*     this doesn't work with new GCC 3.x compilers because wchar_t is */
 186         /*     C++'s builtin type in the new standard. OTOH, old compilers (GCC */
 187         /*     2.x) won't accept new definition of wx{S,U}Char, therefore we */
 188         /*     have to define wxChar conditionally depending on detected */
 189         /*     compiler & compiler version. */
 190         /*     with old definition of wxChar. */
 191         typedef __WCHAR_TYPE__ wxChar;
 192         typedef __WCHAR_TYPE__ wxSChar;
 193         typedef __WCHAR_TYPE__ wxUChar;
 194     #endif /* __WCHAR_TYPE__ */
 195 #endif /* ASCII/Unicode */
 196
 197 /* ---------------------------------------------------------------------------- */
 198 /* define _T() and related macros */
 199 /* ---------------------------------------------------------------------------- */
 200
 201 /* BSD systems define _T() to be something different in ctype.h, override it */
 202 #if defined(__FreeBSD__) || defined(__DARWIN__)
 203     #include <ctype.h>
 204     #undef _T
 205 #endif
 206
 207 /* could already be defined by tchar.h (it's quasi standard) */
 208 #ifndef _T
 209     #if !wxUSE_UNICODE
 210         #define _T(x) x
 211     #else /* Unicode */
 212         #define _T(x) L ## x
 213     #endif /* ASCII/Unicode */
 214 #endif /* !defined(_T) */
 215
 216 /* although global macros with such names are normally bad, we want to have */
 217 /* another name for _T() which should be used to avoid confusion between _T() */
 218 /* and _() in wxWindows sources */
 219 #define wxT(x)       _T(x)
 220
 221 /* Unicode-friendly __FILE__, __DATE__ and __TIME__ analogs */
 222 #ifndef __TFILE__
 223     #define __XFILE__(x) wxT(x)
 224     #define __TFILE__ __XFILE__(__FILE__)
 225 #endif
 226
 227 #ifndef __TDATE__
 228     #define __XDATE__(x) wxT(x)
 229     #define __TDATE__ __XDATE__(__DATE__)
 230 #endif
 231
 232 #ifndef __TTIME__
 233     #define __XTIME__(x) wxT(x)
 234     #define __TTIME__ __XTIME__(__TIME__)
 235 #endif
 236
 237 /*
 238     define wxFoo() function for each standard foo() function whose signature
 239     (exceptionally including the return type) includes any mention of char:
 240     wxFoo() is going to be a Unicode-friendly version of foo(), i.e. will have
 241     the same signature but with char replaced by wxChar which allows us to use
 242     it in Unicode build as well
 243  */
 244
 245 #ifdef wxHAVE_TCHAR_SUPPORT
 246     #include <ctype.h>
 247
 248     /* ctype.h functions */
 249     #define  wxIsalnum   _istalnum
 250     #define  wxIsalpha   _istalpha
 251     #define  wxIscntrl   _istcntrl
 252     #define  wxIsdigit   _istdigit
 253     #define  wxIsgraph   _istgraph
 254     #define  wxIslower   _istlower
 255     #define  wxIsprint   _istprint
 256     #define  wxIspunct   _istpunct
 257     #define  wxIsspace   _istspace
 258     #define  wxIsupper   _istupper
 259     #define  wxIsxdigit  _istxdigit
 260     #define  wxTolower   _totlower
 261     #define  wxToupper   _totupper
 262
 263     /* locale.h functons */
 264     #define  wxSetlocale _tsetlocale
 265
 266     /* string.h functions */
 267     #define  wxStrcat    _tcscat
 268     #define  wxStrchr    _tcschr
 269     #define  wxStrcmp    _tcscmp
 270     #define  wxStrcoll   _tcscoll
 271     #define  wxStrcpy    _tcscpy
 272     #define  wxStrcspn   _tcscspn
 273     #define  wxStrdupW   _wcsdup        /* notice the 'W'! */
 274     #define  wxStrftime  _tcsftime
 275     #define  wxStricmp   _tcsicmp
 276     #define  wxStrnicmp  _tcsnicmp
 277     #define  wxStrlen_   _tcslen        /* used in wxStrlen inline function */
 278     #define  wxStrncat   _tcsncat
 279     #define  wxStrncmp   _tcsncmp
 280     #define  wxStrncpy   _tcsncpy
 281     #define  wxStrpbrk   _tcspbrk
 282     #define  wxStrrchr   _tcsrchr
 283     #define  wxStrspn    _tcsspn
 284     #define  wxStrstr    _tcsstr
 285     #define  wxStrtod    _tcstod
 286     #define  wxStrtol    _tcstol
 287     #define  wxStrtoul   _tcstoul
 288     #define  wxStrxfrm   _tcsxfrm
 289
 290     /* stdio.h functions */
 291     #define  wxFgetc     _fgettc
 292     #define  wxFgetchar  _fgettchar
 293     #define  wxFgets     _fgetts
 294     #define  wxFopen     _tfopen
 295     #define  wxFputc     _fputtc
 296     #define  wxFputchar  _fputtchar
 297     #define  wxFprintf   _ftprintf
 298     #define  wxFputs     _fputts
 299     #define  wxFreopen   _tfreopen
 300     #define  wxFscanf    _ftscanf
 301     #define  wxGetc      _gettc
 302     #define  wxGetchar   _gettchar
 303     #define  wxGets      _getts
 304     #define  wxPerror    _tperror
 305     #define  wxPrintf    _tprintf
 306     #define  wxPutc      _puttc
 307     #define  wxPutchar   _puttchar
 308     #define  wxPuts      _putts
 309     #define  wxScanf     _tscanf
 310     #if defined(__DMC__)
 311         #if wxUSE_UNICODE
 312             /* Digital Mars adds count to _stprintf (C99) so prototype conversion see wxchar.cpp */
 313             int wxSprintf (wchar_t * __RESTRICT s, const wchar_t * __RESTRICT format, ... ) ;
 314         #else
 315             /* and there is a bug in D Mars tchar.h prior to 8.39.4n, so define as sprintf */
 316             #define wxSprintf sprintf
 317         #endif
 318     #else
 319         #define  wxSprintf   _stprintf
 320     #endif
 321
 322     #define  wxSscanf    _stscanf
 323     #define  wxTmpnam    _ttmpnam
 324     #define  wxUngetc    _tungetc
 325     #define  wxVfprintf  _vftprintf
 326     #define  wxVprintf   _vtprintf
 327     #define  wxVsscanf   _vstscanf
 328     #define  wxVsprintf  _vstprintf
 329
 330     /* special case: not all TCHAR-aware compilers have those */
 331     #if defined(__VISUALC__) || \
 332             (defined(__BORLANDC__) && __BORLANDC__ >= 0x540)
 333         #define wxVsnprintf_    _vsntprintf
 334         #define wxSnprintf_     _sntprintf
 335     #endif
 336
 337     /* special case: these functions are missing under Win9x with Unicows so we */
 338     /* have to implement them ourselves */
 339     #if wxUSE_UNICODE_MSLU
 340         #define  wxRemove    wxMSLU__tremove
 341         #define  wxRename    wxMSLU__trename
 342     #else
 343         #ifdef __WXWINCE__
 344             #define  wxRemove    DeleteFile
 345         #else
 346             #define  wxRemove    _tremove
 347             #define  wxRename    _trename
 348         #endif
 349     #endif
 350
 351     /* stdlib.h functions */
 352     #define  wxAtoi      _ttoi
 353     #define  wxAtol      _ttol
 354     /* #define  wxAtof   _tttof -- notice that there is no such thing (why?) */
 355     #define  wxGetenv    _tgetenv
 356     #define  wxSystem    _tsystem
 357
 358     /* time.h functions */
 359     #define  wxAsctime   _tasctime
 360     #define  wxCtime     _tctime
 361 #else /* !TCHAR-aware compilers */
 362     #if wxUSE_UNICODE
 363         #include <wctype.h>
 364
 365         /* this is probably glibc-specific */
 366         #if defined(__WCHAR_TYPE__) && !defined(__MWERKS__)
 367             /* ctype.h functions (wctype.h) */
 368             #define  wxIsalnum   iswalnum
 369             #define  wxIsalpha   iswalpha
 370             #define  wxIscntrl   iswcntrl
 371             #define  wxIsdigit   iswdigit
 372             #define  wxIsgraph   iswgraph
 373             #define  wxIslower   iswlower
 374             #define  wxIsprint   iswprint
 375             #define  wxIspunct   iswpunct
 376             #define  wxIsspace   iswspace
 377             #define  wxIsupper   iswupper
 378             #define  wxIsxdigit  iswxdigit
 379
 380             #if defined(__GLIBC__) && (__GLIBC__ == 2) && (__GLIBC_MINOR__ == 0)
 381                 /* /usr/include/wctype.h incorrectly declares translations */
 382                 /* tables which provokes tons of compile-time warnings -- try */
 383                 /* to correct this */
 384                 #define  wxTolower(wc)   towctrans((wc), (wctrans_t)__ctype_tolower)
 385                 #define  wxToupper(wc)   towctrans((wc), (wctrans_t)__ctype_toupper)
 386             #else /* !glibc 2.0 */
 387                 #define  wxTolower   towlower
 388                 #define  wxToupper   towupper
 389             #endif /* gcc/!gcc */
 390
 391             /* string.h functions (wchar.h) */
 392             #define  wxStrcat    wcscat
 393             #define  wxStrchr    wcschr
 394             #define  wxStrcmp    wcscmp
 395             #define  wxStrcoll   wcscoll
 396             #define  wxStrcpy    wcscpy
 397             #define  wxStrcspn   wcscspn
 398             #define  wxStrlen_   wxWcslen /* wxStrlen_() is used in wxStrlen() */
 399             #define  wxStrncat   wcsncat
 400             #define  wxStrncmp   wcsncmp
 401             #define  wxStrncpy   wcsncpy
 402             #define  wxStrpbrk   wcspbrk
 403             #define  wxStrrchr   wcsrchr
 404             #define  wxStrspn    wcsspn
 405             #define  wxStrstr    wcsstr
 406             #define  wxStrtod    wcstod
 407             #define  wxStrtol    wcstol
 408             #define  wxStrtoul   wcstoul
 409             #define  wxStrxfrm   wcsxfrm
 410
 411             #define  wxFgetc     fgetwc
 412             #define  wxFgetchar  fgetwchar
 413             #define  wxFgets     fgetws
 414             #define  wxFputc     fputwc
 415             #define  wxFputchar  fputwchar
 416             #define  wxGetc      getwc
 417             #define  wxGetchar   getwchar
 418             #define  wxGets      getws
 419             #define  wxUngetc    ungetwc
 420
 421             #ifdef HAVE_FPUTWC
 422                 #define  wxPutc      wputc
 423                 #define  wxPutchar   wputchar
 424                 #define  wxPuts      putws
 425                 #define  wxFputs     fputws
 426             #else
 427                 #define wxNEED_FPUTWC
 428
 429                 #include <stdio.h>
 430
 431                 int wxFputs(const wxChar *ch, FILE *stream);
 432                 int wxPutc(wxChar ch, FILE *stream);
 433
 434                 #define wxPuts(ws) wxFputs(ws, stdout)
 435                 #define wxPutchar(wch) wxPutc(wch, stdout)
 436             #endif
 437
 438             /* we need %s to %ls conversion for printf and scanf etc */
 439             #define wxNEED_PRINTF_CONVERSION
 440
 441             /* glibc doesn't have wide char equivalents of the other stuff so */
 442             /* use our own versions */
 443             #define wxNEED_WX_STDIO_H
 444             #define wxNEED_WX_STDLIB_H
 445             #define wxNEED_WX_TIME_H
 446         #elif defined(__MWERKS__) && ( defined(macintosh) || defined(__MACH__) )
 447             /* ctype.h functions (wctype.h) */
 448             #define  wxIsalnum   iswalnum
 449             #define  wxIsalpha   iswalpha
 450             #define  wxIscntrl   iswcntrl
 451             #define  wxIsdigit   iswdigit
 452             #define  wxIsgraph   iswgraph
 453             #define  wxIslower   iswlower
 454             #define  wxIsprint   iswprint
 455             #define  wxIspunct   iswpunct
 456             #define  wxIsspace   iswspace
 457             #define  wxIsupper   iswupper
 458             #define  wxIsxdigit  iswxdigit
 459             #define  wxTolower   towlower
 460             #define  wxToupper   towupper
 461
 462             /* string.h functions (wchar.h) */
 463             #define  wxStrcat    wcscat
 464             #define  wxStrchr    wcschr
 465             #define  wxStrcmp    wcscmp
 466             #define  wxStrcoll   wcscoll
 467             #define  wxStrcpy    wcscpy
 468             #define  wxStrcspn   wcscspn
 469             #define  wxStrlen_   wxWcslen /* wxStrlen_() is used in wxStrlen() */
 470             #define  wxStrncat   wcsncat
 471             #define  wxStrncmp   wcsncmp
 472             #define  wxStrncpy   wcsncpy
 473             #define  wxStrpbrk   wcspbrk
 474             #define  wxStrrchr   wcsrchr
 475             #define  wxStrspn    wcsspn
 476             #define  wxStrstr    wcsstr
 477             #define  wxStrtod    wcstod
 478             #define  wxStrtol    wcstol
 479             #define  wxStrtoul   wcstoul
 480             #define  wxStrxfrm   wcsxfrm
 481
 482             #define  wxFgetc     fgetwc
 483             #define  wxFgetchar  fgetwchar
 484             #define  wxFgets     fgetws
 485             #define  wxFputc     fputwc
 486             #define  wxFputchar  fputwchar
 487             #define  wxGetc      getwc
 488             #define  wxGetchar   getwchar
 489             #define  wxGets      getws
 490             #define  wxUngetc    ungetwc
 491
 492             #define wxNEED_PRINTF_CONVERSION
 493
 494             #define  wxPutc      putwc
 495             #define  wxPutchar   putwchar
 496             #define  wxFputs     fputws
 497
 498             /* stdio.h functions */
 499
 500             #define wxNEED_WX_STDIO_H
 501
 502             /* stdlib.h functions */
 503             #define  wxAtof      watof
 504             #define  wxAtoi      watoi
 505             #define  wxAtol      watol
 506             #define  wxGetenv(a)    ((wxChar*)NULL)
 507             #define  wxSystem(a)    ((int)NULL)
 508
 509             /* time.h functions */
 510             #define  wxAsctime   wasciitime
 511             #define  wxCtime     wctime
 512             /* #define  wxStrftime  wcsftime */
 513
 514             #define wxNEED_WX_TIME_H
 515         #else /* !metrowerks for apple */
 516             #error  "Please define wide character functions for your environment"
 517         #endif
 518     #else /* ASCII */
 519         #include <ctype.h>
 520         #include <string.h>
 521
 522         /* ctype.h functions */
 523         #define  wxIsalnum   isalnum
 524         #define  wxIsalpha   isalpha
 525         #define  wxIscntrl   iscntrl
 526         #define  wxIsdigit   isdigit
 527         #define  wxIsgraph   isgraph
 528         #define  wxIslower   islower
 529         #define  wxIsprint   isprint
 530         #define  wxIspunct   ispunct
 531         #define  wxIsspace   isspace
 532         #define  wxIsupper   isupper
 533         #define  wxIsxdigit  isxdigit
 534         #define  wxTolower   tolower
 535         #define  wxToupper   toupper
 536
 537          /* locale.h functons */
 538         #define  wxSetlocale setlocale
 539
 540          /* string.h functions */
 541         #define  wxStrcat    strcat
 542         #define  wxStrchr    strchr
 543         #define  wxStrcmp    strcmp
 544         #define  wxStrcoll   strcoll
 545         #define  wxStrcpy    strcpy
 546         #define  wxStrcspn   strcspn
 547
 548         /* wxStricmp and wxStrnicmp are defined below */
 549         #define  wxStrlen_   strlen /* used in wxStrlen inline function */
 550         #define  wxStrncat   strncat
 551         #define  wxStrncmp   strncmp
 552         #define  wxStrncpy   strncpy
 553         #define  wxStrpbrk   strpbrk
 554         #define  wxStrrchr   strrchr
 555         #define  wxStrspn    strspn
 556         #define  wxStrstr    strstr
 557         #define  wxStrtod    strtod
 558         #ifdef HAVE_STRTOK_R
 559             #define  wxStrtok(str, sep, last)    strtok_r(str, sep, last)
 560         #endif
 561         #define  wxStrtol    strtol
 562         #define  wxStrtoul   strtoul
 563         #define  wxStrxfrm   strxfrm
 564
 565         /* stdio.h functions */
 566         #define  wxFopen     fopen
 567         #define  wxFreopen   freopen
 568         #define  wxRemove    remove
 569         #define  wxRename    rename
 570
 571         #define  wxPerror    perror
 572         #define  wxTmpnam    tmpnam
 573
 574         #define  wxFgetc     fgetc
 575         #define  wxFgetchar  fgetchar
 576         #define  wxFgets     fgets
 577         #define  wxFputc     fputc
 578         #define  wxFputs     fputs
 579         #define  wxFputchar  fputchar
 580         #define  wxFprintf   fprintf
 581         #define  wxFscanf    fscanf
 582         #define  wxGetc      getc
 583         #define  wxGetchar   getchar
 584         #define  wxGets      gets
 585         #define  wxPrintf    printf
 586         #define  wxPutc      putc
 587         #define  wxPutchar   putchar
 588         #define  wxPuts      puts
 589         #define  wxScanf     scanf
 590         #define  wxSprintf   sprintf
 591         #define  wxSscanf    sscanf
 592         #define  wxUngetc    ungetc
 593         #define  wxVfprintf  vfprintf
 594         #define  wxVprintf   vprintf
 595         #define  wxVsscanf   vsscanf
 596         #define  wxVsprintf  vsprintf
 597
 598         /* stdlib.h functions */
 599         #define  wxAtof      atof
 600         #define  wxAtoi      atoi
 601         #define  wxAtol      atol
 602         #define  wxGetenv    getenv
 603         #define  wxSystem    system
 604
 605         /* time.h functions */
 606         #define  wxAsctime   asctime
 607         #define  wxCtime     ctime
 608         #define  wxStrftime  strftime
 609     #endif /* Unicode/ASCII */
 610 #endif /* TCHAR-aware compilers/the others */
 611
 612 /*
 613     various special cases
 614  */
 615
 616 /* define wxStricmp and wxStrnicmp for various compilers */
 617
 618 /* note that in Unicode mode we definitely are going to need our own version */
 619 #if !defined(wxStricmp) && !wxUSE_UNICODE
 620     #if defined(__BORLANDC__) || defined(__WATCOMC__) || \
 621             defined(__SALFORDC__) || defined(__VISAGECPP__) || \
 622             defined(__EMX__) || defined(__DJGPP__)
 623         #define wxStricmp stricmp
 624         #define wxStrnicmp strnicmp
 625     #elif defined(__SYMANTEC__) || defined(__VISUALC__) || \
 626             (defined(__MWERKS__) && defined(__INTEL__))
 627         #define wxStricmp _stricmp
 628         #define wxStrnicmp _strnicmp
 629     #elif defined(__UNIX__) || defined(__GNUWIN32__)
 630         #define wxStricmp strcasecmp
 631         #define wxStrnicmp strncasecmp
 632     /* #else -- use wxWindows implementation */
 633     #endif
 634 #endif /* !defined(wxStricmp) */
 635
 636 /* define wxWcslen() which should be always available if wxUSE_WCHAR_T == 1 (as */
 637 /* it's used in wx/buffer.h -- and also might be used just below by wxStrlen() */
 638 /* when wxStrlen_() is #define'd as wxWcslen so do it before defining wxStrlen) */
 639 #if wxUSE_WCHAR_T
 640     #ifdef HAVE_WCSLEN
 641         #define wxWcslen wcslen
 642     #else
 643         inline size_t wxWcslen(const wchar_t *s)
 644         {
 645             size_t n = 0;
 646             while ( *s++ )
 647                 n++;
 648
 649             return n;
 650         }
 651     #endif
 652 #endif /* wxUSE_WCHAR_T */
 653
 654 #ifdef __cplusplus
 655 /* checks whether the passed in pointer is NULL and if the string is empty */
 656 inline bool wxIsEmpty(const wxChar *p) { return !p || !*p; }
 657
 658 /* safe version of strlen() (returns 0 if passed NULL pointer) */
 659 inline size_t wxStrlen(const wxChar *psz) { return psz ? wxStrlen_(psz) : 0; }
 660 #endif
 661
 662 /*
 663     each of strdup() and wcsdup() may or may not be available but we need both
 664     of them anyhow for wx/buffer.h so we define the missing one(s) in
 665     wxchar.cpp and so we should always have both wxStrdupA and wxStrdupW
 666     defined -- if this is somehow not the case in some situations, please
 667     correct that and not the lines here
 668  */
 669 #if wxUSE_UNICODE
 670     #define wxStrdup wxStrdupW
 671 #else
 672     #define wxStrdup wxStrdupA
 673 #endif
 674
 675 #ifdef __cplusplus
 676 WXDLLIMPEXP_BASE bool wxOKlibc(); /* for internal use */
 677 #endif
 678
 679 /* printf() family saga */
 680
 681 /*
 682    For some systems vsnprintf() exists in the system libraries but not in the
 683    headers, so we need to declare it ourselves to be able to use it.
 684  */
 685 #if defined(HAVE_VSNPRINTF) && !defined(HAVE_VSNPRINTF_DECL)
 686     extern "C"
 687     int vsnprintf(char *str, size_t size, const char *format, va_list ap);
 688 #endif /* !HAVE_VSNPRINTF_DECL */
 689
 690 /*
 691    First of all, we always want to define safe snprintf() function to be used
 692    instead of sprintf(). Some compilers already have it (or rather vsnprintf()
 693    which we really need...), otherwise we implement it using our own printf()
 694    code.
 695
 696    We define function with a trailing underscore here because the real one is a
 697    wrapper around it as explained below
 698  */
 699 #ifndef wxVsnprintf_
 700     #if wxUSE_UNICODE
 701         #if defined(__MWERKS__)
 702             #define HAVE_WCSRTOMBS 1
 703             #define HAVE_VSWPRINTF 1
 704         #endif
 705         #if defined(__WATCOMC__)
 706             #define wxVsnprintf_    _vsnwprintf
 707             #define wxSnprintf_     _snwprintf
 708         #endif
 709         #if defined(HAVE__VSNWPRINTF)
 710             #define wxVsnprintf_    _vsnwprintf
 711         /* MinGW?MSVCRT has the wrong vswprintf */
 712         #elif defined(HAVE_VSWPRINTF) && !defined(__MINGW32__)
 713             #define wxVsnprintf_    vswprintf
 714         #endif
 715     #else /* ASCII */
 716         /* all versions of CodeWarrior supported by wxWindows apparently have */
 717         /* vsnprintf() */
 718         #if defined(HAVE_VSNPRINTF) || defined(__MWERKS__) || defined(__WATCOMC__)
 719             /* assume we have snprintf() too if we have vsnprintf() */
 720             #define wxVsnprintf_    vsnprintf
 721             #define wxSnprintf_     snprintf
 722         #endif
 723     #endif
 724 #endif /* wxVsnprintf_ not defined yet */
 725
 726 #ifndef wxSnprintf_
 727     /* no [v]snprintf(), cook our own */
 728     WXDLLIMPEXP_BASE int wxSnprintf_(wxChar *buf, size_t len, const wxChar *format,
 729                                 ...) ATTRIBUTE_PRINTF_3;
 730 #endif
 731 #ifndef wxVsnprintf_
 732     WXDLLIMPEXP_BASE int wxVsnprintf_(wxChar *buf, size_t len, const wxChar *format,
 733                                  va_list argptr);
 734 #endif
 735
 736 /*
 737    In Unicode mode we need to have all standard functions such as wprintf() and
 738    so on but not all systems have them so use our own implementations in this
 739    case.
 740  */
 741 #if wxUSE_UNICODE && !defined(wxHAVE_TCHAR_SUPPORT) && !defined(HAVE_WPRINTF)
 742     #define wxNEED_WPRINTF
 743 #endif
 744
 745 /*
 746    More Unicode complications: although both ANSI C and C++ define a number of
 747    wide character functions such as wprintf(), not all environments have them.
 748    Worse, those which do have different behaviours: under Windows, %s format
 749    specifier changes its meaning in Unicode build and expects a Unicode string
 750    while under Unix/POSIX it still means an ASCII string even for wprintf() and
 751    %ls has to be used for wide strings.
 752
 753    We choose to always emulate Windows behaviour as more useful for us so even
 754    if we have wprintf() we still must wrap it in a non trivial wxPrintf().
 755
 756    However, if we don't have any vswprintf() at all we don't need to redefine
 757    anything as our own wxVsnprintf_() already behaves as needed.
 758 */
 759 #ifndef wxVsnprintf_
 760     #undef wxNEED_PRINTF_CONVERSION
 761 #endif
 762
 763 #if defined(wxNEED_PRINTF_CONVERSION) || defined(wxNEED_WPRINTF)
 764     /*
 765         we need to implement all wide character printf and scanf functions
 766         either because we don't have them at all or because they don't have the
 767         semantics we need
 768      */
 769
 770     #include <stdio.h>  /* for FILE */
 771
 772     int wxScanf( const wxChar *format, ... ) ATTRIBUTE_PRINTF_1;
 773     int wxSscanf( const wxChar *str, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 774     int wxFscanf( FILE *stream, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 775     int wxVsscanf( const wxChar *str, const wxChar *format, va_list ap );
 776     int wxPrintf( const wxChar *format, ... ) ATTRIBUTE_PRINTF_1;
 777     int wxSprintf( wxChar *str, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 778     int wxFprintf( FILE *stream, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 779     int wxVfprintf( FILE *stream, const wxChar *format, va_list ap );
 780     int wxVprintf( const wxChar *format, va_list ap );
 781     int wxVsprintf( wxChar *str, const wxChar *format, va_list ap );
 782 #endif /* wxNEED_PRINTF_CONVERSION */
 783
 784 /* these 2 can be simply mapped to the versions with underscore at the end */
 785 /* if we don't have to do the conversion */
 786 #ifdef wxNEED_PRINTF_CONVERSION
 787     int wxSnprintf( wxChar *str, size_t size, const wxChar *format, ... ) ATTRIBUTE_PRINTF_3;
 788     int wxVsnprintf( wxChar *str, size_t size, const wxChar *format, va_list ap );
 789 #else
 790     #define wxSnprintf wxSnprintf_
 791     #define wxVsnprintf wxVsnprintf_
 792 #endif
 793
 794 /*
 795     various functions which might not be available in libc and for which we
 796     provide our own replacements in wxchar.cpp
 797  */
 798
 799 /* ctype.h functions */
 800
 801 /* VZ: note that this is never defined currently */
 802 #ifdef wxNEED_WX_CTYPE_H
 803     WXDLLIMPEXP_BASE int wxIsalnum(wxChar ch);
 804     WXDLLIMPEXP_BASE int wxIsalpha(wxChar ch);
 805     WXDLLIMPEXP_BASE int wxIscntrl(wxChar ch);
 806     WXDLLIMPEXP_BASE int wxIsdigit(wxChar ch);
 807     WXDLLIMPEXP_BASE int wxIsgraph(wxChar ch);
 808     WXDLLIMPEXP_BASE int wxIslower(wxChar ch);
 809     WXDLLIMPEXP_BASE int wxIsprint(wxChar ch);
 810     WXDLLIMPEXP_BASE int wxIspunct(wxChar ch);
 811     WXDLLIMPEXP_BASE int wxIsspace(wxChar ch);
 812     WXDLLIMPEXP_BASE int wxIsupper(wxChar ch);
 813     WXDLLIMPEXP_BASE int wxIsxdigit(wxChar ch);
 814     WXDLLIMPEXP_BASE int wxTolower(wxChar ch);
 815     WXDLLIMPEXP_BASE int wxToupper(wxChar ch);
 816 #endif /* wxNEED_WX_CTYPE_H */
 817
 818 /* under VC++ 6.0 isspace() returns 1 for 8 bit chars which completely breaks */
 819 /* the file parsing -- this may be true for 5.0 as well, update #ifdef then */
 820 #if defined(__VISUALC__) && (__VISUALC__ >= 1200) && !wxUSE_UNICODE
 821     #undef wxIsspace
 822     #define wxIsspace(c) ((((unsigned)c) < 128) && isspace(c))
 823 #endif /* VC++ */
 824
 825 /*
 826    we had goofed and defined wxIctrl() instead of (correct) wxIscntrl() in the
 827    initial versions of this header -- now it is too late to remove it so
 828    although we fixed the function/macro name above, still provide the
 829    backwards-compatible synonym.
 830  */
 831 #define wxIsctrl wxIscntrl
 832
 833 /* string.h functions */
 834
 835 /* VZ: this is never defined neither currently */
 836 #ifdef wxNEED_WX_STRING_H
 837     WXDLLIMPEXP_BASE wxChar * wxStrcat(wxChar *dest, const wxChar *src);
 838     WXDLLIMPEXP_BASE const wxChar * wxStrchr(const wxChar *s, wxChar c);
 839     WXDLLIMPEXP_BASE wxChar * wxStrchr(wxChar *s, wxChar c)
 840         { return (wxChar *)wxStrchr((const wxChar *)s, c); }
 841     WXDLLIMPEXP_BASE int      wxStrcmp(const wxChar *s1, const wxChar *s2);
 842     WXDLLIMPEXP_BASE int      wxStrcoll(const wxChar *s1, const wxChar *s2);
 843     WXDLLIMPEXP_BASE wxChar * wxStrcpy(wxChar *dest, const wxChar *src);
 844     WXDLLIMPEXP_BASE size_t   wxStrcspn(const wxChar *s, const wxChar *reject);
 845     WXDLLIMPEXP_BASE size_t   wxStrlen(const wxChar *s);
 846     WXDLLIMPEXP_BASE wxChar * wxStrncat(wxChar *dest, const wxChar *src, size_t n);
 847     WXDLLIMPEXP_BASE int      wxStrncmp(const wxChar *s1, const wxChar *s2, size_t n);
 848     WXDLLIMPEXP_BASE wxChar * wxStrncpy(wxChar *dest, const wxChar *src, size_t n);
 849     WXDLLIMPEXP_BASE const wxChar * wxStrpbrk(const wxChar *s, const wxChar *accept);
 850     WXDLLIMPEXP_BASE wxChar * wxStrpbrk(wxChar *s, const wxChar *accept)
 851         { return (wxChar *)wxStrpbrk((const wxChar *)s, accept); }
 852     WXDLLIMPEXP_BASE const wxChar * wxStrrchr(const wxChar *s, wxChar c);
 853     WXDLLIMPEXP_BASE wxChar * wxStrrchr(wxChar *s, wxChar c)
 854         { return (wxChar *)wxStrrchr((const wxChar *)s, c); }
 855     WXDLLIMPEXP_BASE size_t   wxStrspn(const wxChar *s, const wxChar *accept);
 856     WXDLLIMPEXP_BASE const wxChar * wxStrstr(const wxChar *haystack, const wxChar *needle);
 857     WXDLLIMPEXP_BASE wxChar *wxStrstr(wxChar *haystack, const wxChar *needle)
 858         { return (wxChar *)wxStrstr((const wxChar *)haystack, needle); }
 859     WXDLLIMPEXP_BASE double   wxStrtod(const wxChar *nptr, wxChar **endptr);
 860     WXDLLIMPEXP_BASE long int wxStrtol(const wxChar *nptr, wxChar **endptr, int base);
 861     WXDLLIMPEXP_BASE unsigned long int wxStrtoul(const wxChar *nptr, wxChar **endptr, int base);
 862     WXDLLIMPEXP_BASE size_t   wxStrxfrm(wxChar *dest, const wxChar *src, size_t n);
 863 #endif /* wxNEED_WX_STRING_H */
 864
 865 #ifndef wxStrdupA
 866 WXDLLIMPEXP_BASE char *wxStrdupA(const char *psz);
 867 #endif
 868
 869 #ifndef wxStrdupW
 870 WXDLLIMPEXP_BASE wchar_t *wxStrdupW(const wchar_t *pwz);
 871 #endif
 872
 873 #ifndef wxStricmp
 874 WXDLLIMPEXP_BASE int wxStricmp(const wxChar *psz1, const wxChar *psz2);
 875 #endif
 876
 877 #ifndef wxStrnicmp
 878 WXDLLIMPEXP_BASE int wxStrnicmp(const wxChar *psz1, const wxChar *psz2, size_t len);
 879 #endif
 880
 881 #ifndef wxStrtok
 882 WXDLLIMPEXP_BASE wxChar * wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_ptr);
 883 #endif
 884
 885 #ifdef __cplusplus
 886 #ifndef wxSetlocale
 887 class WXDLLIMPEXP_BASE wxWCharBuffer;
 888 WXDLLIMPEXP_BASE wxWCharBuffer wxSetlocale(int category, const wxChar *locale);
 889 #endif
 890 #endif
 891
 892 /* stdio.h functions */
 893 #ifdef wxNEED_WX_STDIO_H
 894     #include <stdio.h>
 895     WXDLLIMPEXP_BASE FILE *   wxFopen(const wxChar *path, const wxChar *mode);
 896     WXDLLIMPEXP_BASE FILE *   wxFreopen(const wxChar *path, const wxChar *mode, FILE *stream);
 897     WXDLLIMPEXP_BASE int      wxRemove(const wxChar *path);
 898     WXDLLIMPEXP_BASE int      wxRename(const wxChar *oldpath, const wxChar *newpath);
 899
 900     /* *printf() family is handled separately */
 901 #endif /* wxNEED_WX_STDIO_H */
 902
 903
 904 /* stdlib.h functions */
 905 #ifndef wxAtof
 906 WXDLLIMPEXP_BASE double   wxAtof(const wxChar *psz);
 907 #endif
 908
 909 #ifdef wxNEED_WX_STDLIB_H
 910 WXDLLIMPEXP_BASE int      wxAtoi(const wxChar *psz);
 911 WXDLLIMPEXP_BASE long     wxAtol(const wxChar *psz);
 912 WXDLLIMPEXP_BASE wxChar * wxGetenv(const wxChar *name);
 913 WXDLLIMPEXP_BASE int      wxSystem(const wxChar *psz);
 914 #endif
 915
 916
 917 /* time.h functions */
 918 #ifdef wxNEED_WX_TIME_H
 919 #if defined(__MWERKS__) && defined(macintosh)
 920     #include <time.h>
 921 #endif
 922     WXDLLIMPEXP_BASE size_t wxStrftime(wxChar *s, size_t max,
 923                                   const wxChar *fmt, const struct tm *tm);
 924 #endif /* wxNEED_WX_TIME_H */
 925
 926 /* missing functions in some WinCE versions */
 927 #ifdef _WIN32_WCE
 928 #if (_WIN32_WCE < 300)
 929 WXDLLIMPEXP_BASE void *calloc( size_t num, size_t size );
 930 #endif
 931 WXDLLIMPEXP_BASE char* strdup(const char* s);
 932
 933 #if _WIN32_WCE <= 211
 934 WXDLLIMPEXP_BASE int isspace(int c);
 935 WXDLLIMPEXP_BASE int isascii( int c );
 936 #endif
 937 #endif
 938
 939 /* multibyte to wide char conversion functions and macros */
 940
 941 #if wxUSE_WCHAR_T
 942     /* multibyte<->widechar conversion */
 943     WXDLLIMPEXP_BASE size_t wxMB2WC(wchar_t *buf, const char *psz, size_t n);
 944     WXDLLIMPEXP_BASE size_t wxWC2MB(char *buf, const wchar_t *psz, size_t n);
 945
 946     #if wxUSE_UNICODE
 947         #define wxMB2WX wxMB2WC
 948         #define wxWX2MB wxWC2MB
 949         #define wxWC2WX wxStrncpy
 950         #define wxWX2WC wxStrncpy
 951     #else
 952         #define wxMB2WX wxStrncpy
 953         #define wxWX2MB wxStrncpy
 954         #define wxWC2WX wxWC2MB
 955         #define wxWX2WC wxMB2WC
 956     #endif
 957 #else /* !wxUSE_UNICODE */
 958     /* No wxUSE_WCHAR_T: we have to do something (JACS) */
 959     #define wxMB2WC wxStrncpy
 960     #define wxWC2MB wxStrncpy
 961     #define wxMB2WX wxStrncpy
 962     #define wxWX2MB wxStrncpy
 963     #define wxWC2WX wxWC2MB
 964     #define wxWX2WC wxMB2WC
 965 #endif
 966
 967 #endif /* _WX_WXCHAR_H_ */
 968