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, Ron Lee
   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(__UNIX__)
  26         #if defined(HAVE_WCSTR_H) || defined(HAVE_WCHAR_H) || defined(__FreeBSD__) || defined(__DARWIN__)
  27             #define wxUSE_WCHAR_T 1
  28         #else
  29             #define wxUSE_WCHAR_T 0
  30         #endif
  31     #elif defined(__GNUWIN32__) && !defined(__MINGW32__)
  32         #define wxUSE_WCHAR_T 0
  33     #elif defined(__WATCOMC__)
  34         #define wxUSE_WCHAR_T 0
  35     #elif defined(__VISAGECPP__) && (__IBMCPP__ < 400)
  36         #define wxUSE_WCHAR_T 0
  37     #else
  38         /* add additional compiler checks if this fails */
  39         #define wxUSE_WCHAR_T 1
  40     #endif
  41 #endif /* !defined(wxUSE_WCHAR_T) */
  42
  43 /* Unicode support requires wchar_t */
  44 #if wxUSE_UNICODE && !wxUSE_WCHAR_T
  45     #error "wchar_t must be available in Unicode build"
  46 #endif /* Unicode */
  47
  48 /*
  49     Standard headers we need here.
  50
  51     NB: don't include any wxWindows headers here because almost of them include
  52         this one!
  53  */
  54
  55 /* Required for wxPrintf() etc */
  56 #include <stdarg.h>
  57
  58 /* Almost all compiler have strdup(), but not quite all: CodeWarrior under Mac */
  59 /* and VC++ for Windows CE don't provide it */
  60 #if !(defined(__MWERKS__) && defined(__WXMAC__)) && !defined(__WXWINCE__)
  61     /* use #define, not inline wrapper, as it is tested with #ifndef below */
  62     #define wxStrdupA strdup
  63 #endif
  64
  65 /*
  66    non Unix compilers which do have wchar.h (but not tchar.h which is included
  67    below and which includes wchar.h anyhow).
  68
  69    Actually MinGW has tchar.h, but it does not include wchar.h
  70  */
  71 #if defined(__MWERKS__) || defined(__VISAGECPP__) || defined(__MINGW32__) || defined(__WATCOMC__)
  72     #ifndef HAVE_WCHAR_H
  73         #define HAVE_WCHAR_H
  74     #endif
  75 #endif
  76 #if defined(__MWERKS__) && !defined(__MACH__)
  77         #ifndef HAVE_WCSLEN
  78                 #define HAVE_WCSLEN
  79         #endif
  80 #endif
  81
  82 #if wxUSE_WCHAR_T
  83     #ifdef HAVE_WCHAR_H
  84         /* the current (as of Nov 2002) version of cygwin has a bug in its */
  85         /* wchar.h -- there is no extern "C" around the declarations in it and */
  86         /* this results in linking errors later; also, at least on some */
  87         /* Cygwin versions, wchar.h requires sys/types.h */
  88         #ifdef __CYGWIN__
  89             #include <sys/types.h>
  90             extern "C" {
  91         #endif /* Cygwin */
  92                 #include <wchar.h>
  93         #ifdef __CYGWIN__
  94             }
  95         #endif /* Cygwin */
  96     #elif defined(HAVE_WCSTR_H)
  97         /* old compilers have relevant declarations here */
  98         #include <wcstr.h>
  99     #elif defined(__FreeBSD__) || defined(__DARWIN__) || defined(__EMX__)
 100         /* include stdlib.h for wchar_t */
 101         #include <stdlib.h>
 102     #endif /* HAVE_WCHAR_H */
 103 #endif /* wxUSE_WCHAR_T */
 104
 105 /* ---------------------------------------------------------------------------- */
 106 /* define wxHAVE_TCHAR_SUPPORT for the compilers which support the TCHAR type */
 107 /* mapped to either char or wchar_t depending on the ASCII/Unicode mode and have */
 108 /* the function mapping _tfoo() -> foo() or wfoo() */
 109 /* ---------------------------------------------------------------------------- */
 110
 111 /* VC++ and BC++ starting with 5.2 have TCHAR support */
 112 #ifdef __VISUALC__
 113     #define wxHAVE_TCHAR_SUPPORT
 114 #elif defined(__BORLANDC__) && (__BORLANDC__ >= 0x520)
 115     #define wxHAVE_TCHAR_SUPPORT
 116     #include <ctype.h>
 117 #elif defined(__WATCOMC__)
 118     #define wxHAVE_TCHAR_SUPPORT
 119 #elif defined(__DMC__)
 120     #define wxHAVE_TCHAR_SUPPORT
 121 #elif defined(__MINGW32__) && wxCHECK_W32API_VERSION( 1, 0 )
 122     #define wxHAVE_TCHAR_SUPPORT
 123     #include <stddef.h>
 124     #include <string.h>
 125     #include <ctype.h>
 126 #elif 0 && defined(__VISAGECPP__) && (__IBMCPP__ >= 400)
 127     /* VZ: the old VisualAge definitions were completely wrong and had no */
 128     /*     chance at all to work in Unicode build anyhow so let's pretend that */
 129     /*     VisualAge does _not_ support TCHAR for the moment (as indicated by */
 130     /*     "0 &&" above) until someone really has time to delve into Unicode */
 131     /*     issues under OS/2 */
 132
 133     /* VisualAge 4.0+ supports TCHAR */
 134     #define wxHAVE_TCHAR_SUPPORT
 135 #endif /* compilers with (good) TCHAR support */
 136
 137 #ifdef __MWERKS__
 138     #define HAVE_WPRINTF
 139 #endif
 140
 141 #ifdef wxHAVE_TCHAR_SUPPORT
 142     /* get TCHAR definition if we've got it */
 143     #include <tchar.h>
 144
 145     /* we surely do have wchar_t if we have TCHAR */
 146     #ifndef wxUSE_WCHAR_T
 147         #define wxUSE_WCHAR_T 1
 148     #endif /* !defined(wxUSE_WCHAR_T) */
 149
 150     /* and we also do have wcslen() */
 151     #ifndef HAVE_WCSLEN
 152         #define HAVE_WCSLEN
 153     #endif
 154 #endif /* wxHAVE_TCHAR_SUPPORT */
 155
 156 /* ---------------------------------------------------------------------------- */
 157 /* define wxChar type */
 158 /* ---------------------------------------------------------------------------- */
 159
 160 /* TODO: define wxCharInt to be equal to either int or wint_t? */
 161
 162 #if !wxUSE_UNICODE
 163     typedef char wxChar;
 164     typedef signed char wxSChar;
 165     typedef unsigned char wxUChar;
 166 #else /* Unicode */
 167     /* VZ: note that VC++ defines _T[SU]CHAR simply as wchar_t and not as */
 168     /*     signed/unsigned version of it which (a) makes sense to me (unlike */
 169     /*     char wchar_t is always unsigned) and (b) was how the previous */
 170     /*     definitions worked so keep it like this */
 171
 172     /* GNU libc has __WCHAR_TYPE__ which requires special treatment, see */
 173     /* comment below */
 174     #if !defined(__WCHAR_TYPE__) || \
 175         (!defined(__GNUC__) || wxCHECK_GCC_VERSION(2, 96))
 176         /* standard case */
 177         typedef wchar_t wxChar;
 178         typedef wchar_t wxSChar;
 179         typedef wchar_t wxUChar;
 180     #else /* __WCHAR_TYPE__ and gcc < 2.96 */
 181         /* VS: wxWindows used to define wxChar as __WCHAR_TYPE__ here. However, */
 182         /*     this doesn't work with new GCC 3.x compilers because wchar_t is */
 183         /*     C++'s builtin type in the new standard. OTOH, old compilers (GCC */
 184         /*     2.x) won't accept new definition of wx{S,U}Char, therefore we */
 185         /*     have to define wxChar conditionally depending on detected */
 186         /*     compiler & compiler version. */
 187         /*     with old definition of wxChar. */
 188         typedef __WCHAR_TYPE__ wxChar;
 189         typedef __WCHAR_TYPE__ wxSChar;
 190         typedef __WCHAR_TYPE__ wxUChar;
 191     #endif /* __WCHAR_TYPE__ */
 192 #endif /* ASCII/Unicode */
 193
 194 /* ---------------------------------------------------------------------------- */
 195 /* define _T() and related macros */
 196 /* ---------------------------------------------------------------------------- */
 197
 198 /* BSD systems define _T() to be something different in ctype.h, override it */
 199 #if defined(__FreeBSD__) || defined(__DARWIN__)
 200     #include <ctype.h>
 201     #undef _T
 202 #endif
 203
 204 /* could already be defined by tchar.h (it's quasi standard) */
 205 #ifndef _T
 206     #if !wxUSE_UNICODE
 207         #define _T(x) x
 208     #else /* Unicode */
 209         #define _T(x) L ## x
 210     #endif /* ASCII/Unicode */
 211 #endif /* !defined(_T) */
 212
 213 /* although global macros with such names are normally bad, we want to have */
 214 /* another name for _T() which should be used to avoid confusion between _T() */
 215 /* and _() in wxWindows sources */
 216 #define wxT(x)       _T(x)
 217
 218 /* Unicode-friendly __FILE__, __DATE__ and __TIME__ analogs */
 219 #ifndef __TFILE__
 220     #define __XFILE__(x) wxT(x)
 221     #define __TFILE__ __XFILE__(__FILE__)
 222 #endif
 223
 224 #ifndef __TDATE__
 225     #define __XDATE__(x) wxT(x)
 226     #define __TDATE__ __XDATE__(__DATE__)
 227 #endif
 228
 229 #ifndef __TTIME__
 230     #define __XTIME__(x) wxT(x)
 231     #define __TTIME__ __XTIME__(__TIME__)
 232 #endif
 233
 234 /*
 235     define wxFoo() function for each standard foo() function whose signature
 236     (exceptionally including the return type) includes any mention of char:
 237     wxFoo() is going to be a Unicode-friendly version of foo(), i.e. will have
 238     the same signature but with char replaced by wxChar which allows us to use
 239     it in Unicode build as well
 240  */
 241
 242 #ifdef wxHAVE_TCHAR_SUPPORT
 243     #include <ctype.h>
 244
 245     /* ctype.h functions */
 246     #define  wxIsalnum   _istalnum
 247     #define  wxIsalpha   _istalpha
 248     #define  wxIscntrl   _istcntrl
 249     #define  wxIsdigit   _istdigit
 250     #define  wxIsgraph   _istgraph
 251     #define  wxIslower   _istlower
 252     #define  wxIsprint   _istprint
 253     #define  wxIspunct   _istpunct
 254     #define  wxIsspace   _istspace
 255     #define  wxIsupper   _istupper
 256     #define  wxIsxdigit  _istxdigit
 257     #define  wxTolower   _totlower
 258     #define  wxToupper   _totupper
 259
 260     /* locale.h functons */
 261     #define  wxSetlocale _tsetlocale
 262
 263     /* string.h functions */
 264     #define  wxStrcat    _tcscat
 265     #define  wxStrchr    _tcschr
 266     #define  wxStrcmp    _tcscmp
 267     #define  wxStrcoll   _tcscoll
 268     #define  wxStrcpy    _tcscpy
 269     #define  wxStrcspn   _tcscspn
 270     #define  wxStrdupW   _wcsdup        /* notice the 'W'! */
 271     #define  wxStrftime  _tcsftime
 272     #define  wxStricmp   _tcsicmp
 273     #define  wxStrnicmp  _tcsnicmp
 274     #define  wxStrlen_   _tcslen        /* used in wxStrlen inline function */
 275     #define  wxStrncat   _tcsncat
 276     #define  wxStrncmp   _tcsncmp
 277     #define  wxStrncpy   _tcsncpy
 278     #define  wxStrpbrk   _tcspbrk
 279     #define  wxStrrchr   _tcsrchr
 280     #define  wxStrspn    _tcsspn
 281     #define  wxStrstr    _tcsstr
 282     #define  wxStrtod    _tcstod
 283     #define  wxStrtol    _tcstol
 284     #define  wxStrtoul   _tcstoul
 285     #define  wxStrxfrm   _tcsxfrm
 286
 287     /* stdio.h functions */
 288     #define  wxFgetc     _fgettc
 289     #define  wxFgetchar  _fgettchar
 290     #define  wxFgets     _fgetts
 291     #define  wxFopen     _tfopen
 292     #define  wxFputc     _fputtc
 293     #define  wxFputchar  _fputtchar
 294     #define  wxFprintf   _ftprintf
 295     #define  wxFputs     _fputts
 296     #define  wxFreopen   _tfreopen
 297     #define  wxFscanf    _ftscanf
 298     #define  wxGetc      _gettc
 299     #define  wxGetchar   _gettchar
 300     #define  wxGets      _getts
 301     #define  wxPerror    _tperror
 302     #define  wxPrintf    _tprintf
 303     #define  wxPutc      _puttc
 304     #define  wxPutchar   _puttchar
 305     #define  wxPuts      _putts
 306     #define  wxScanf     _tscanf
 307     #if defined(__DMC__)
 308         #if wxUSE_UNICODE
 309             /* Digital Mars adds count to _stprintf (C99) so prototype conversion see wxchar.cpp */
 310             int wxSprintf (wchar_t * __RESTRICT s, const wchar_t * __RESTRICT format, ... ) ;
 311         #else
 312             /* and there is a bug in D Mars tchar.h prior to 8.39.4n, so define as sprintf */
 313             #define wxSprintf sprintf
 314         #endif
 315     #else
 316         #define  wxSprintf   _stprintf
 317     #endif
 318
 319     #define  wxSscanf    _stscanf
 320     #define  wxTmpnam    _ttmpnam
 321     #define  wxUngetc    _tungetc
 322     #define  wxVfprintf  _vftprintf
 323     #define  wxVprintf   _vtprintf
 324     #define  wxVsscanf   _vstscanf
 325     #define  wxVsprintf  _vstprintf
 326
 327     /* special case: not all TCHAR-aware compilers have those */
 328     #if defined(__VISUALC__) || \
 329             (defined(__BORLANDC__) && __BORLANDC__ >= 0x540)
 330         #define wxVsnprintf_    _vsntprintf
 331         #define wxSnprintf_     _sntprintf
 332     #endif
 333
 334     /* special case: these functions are missing under Win9x with Unicows so we */
 335     /* have to implement them ourselves */
 336     #if wxUSE_UNICODE_MSLU
 337         #define  wxRemove    wxMSLU__tremove
 338         #define  wxRename    wxMSLU__trename
 339     #else
 340         #ifdef __WXWINCE__
 341             #define  wxRemove    DeleteFile
 342         #else
 343             #define  wxRemove    _tremove
 344             #define  wxRename    _trename
 345         #endif
 346     #endif
 347
 348     /* stdlib.h functions */
 349     #define  wxAtoi      _ttoi
 350     #define  wxAtol      _ttol
 351     /* #define  wxAtof   _tttof -- notice that there is no such thing (why?) */
 352     #define  wxGetenv    _tgetenv
 353     #define  wxSystem    _tsystem
 354
 355     /* time.h functions */
 356     #define  wxAsctime   _tasctime
 357     #define  wxCtime     _tctime
 358 #else /* !TCHAR-aware compilers */
 359     #if wxUSE_UNICODE
 360         #include <wctype.h>
 361
 362         /* this is probably glibc-specific */
 363         #if defined(__WCHAR_TYPE__) && !defined(__MWERKS__)
 364             /* ctype.h functions (wctype.h) */
 365             #define  wxIsalnum   iswalnum
 366             #define  wxIsalpha   iswalpha
 367             #define  wxIscntrl   iswcntrl
 368             #define  wxIsdigit   iswdigit
 369             #define  wxIsgraph   iswgraph
 370             #define  wxIslower   iswlower
 371             #define  wxIsprint   iswprint
 372             #define  wxIspunct   iswpunct
 373             #define  wxIsspace   iswspace
 374             #define  wxIsupper   iswupper
 375             #define  wxIsxdigit  iswxdigit
 376
 377             #if defined(__GLIBC__) && (__GLIBC__ == 2) && (__GLIBC_MINOR__ == 0)
 378                 /* /usr/include/wctype.h incorrectly declares translations */
 379                 /* tables which provokes tons of compile-time warnings -- try */
 380                 /* to correct this */
 381                 #define  wxTolower(wc)   towctrans((wc), (wctrans_t)__ctype_tolower)
 382                 #define  wxToupper(wc)   towctrans((wc), (wctrans_t)__ctype_toupper)
 383             #else /* !glibc 2.0 */
 384                 #define  wxTolower   towlower
 385                 #define  wxToupper   towupper
 386             #endif /* gcc/!gcc */
 387
 388             /* string.h functions (wchar.h) */
 389             #define  wxStrcat    wcscat
 390             #define  wxStrchr    wcschr
 391             #define  wxStrcmp    wcscmp
 392             #define  wxStrcoll   wcscoll
 393             #define  wxStrcpy    wcscpy
 394             #define  wxStrcspn   wcscspn
 395             #define  wxStrlen_   wxWcslen /* wxStrlen_() is used in wxStrlen() */
 396             #define  wxStrncat   wcsncat
 397             #define  wxStrncmp   wcsncmp
 398             #define  wxStrncpy   wcsncpy
 399             #define  wxStrpbrk   wcspbrk
 400             #define  wxStrrchr   wcsrchr
 401             #define  wxStrspn    wcsspn
 402             #define  wxStrstr    wcsstr
 403             #define  wxStrtod    wcstod
 404             #define  wxStrtol    wcstol
 405             #define  wxStrtoul   wcstoul
 406             #define  wxStrxfrm   wcsxfrm
 407
 408             #define  wxFgetc     fgetwc
 409             #define  wxFgetchar  fgetwchar
 410             #define  wxFgets     fgetws
 411             #define  wxFputc     fputwc
 412             #define  wxFputchar  fputwchar
 413             #define  wxGetc      getwc
 414             #define  wxGetchar   getwchar
 415             #define  wxGets      getws
 416             #define  wxUngetc    ungetwc
 417
 418             #ifdef HAVE_FPUTWC
 419                 #define  wxPutc      wputc
 420                 #define  wxPutchar   wputchar
 421                 #define  wxPuts      putws
 422                 #define  wxFputs     fputws
 423             #else
 424                 #define wxNEED_FPUTWC
 425
 426                 #include <stdio.h>
 427
 428                 int wxFputs(const wxChar *ch, FILE *stream);
 429                 int wxPutc(wxChar ch, FILE *stream);
 430
 431                 #define wxPuts(ws) wxFputs(ws, stdout)
 432                 #define wxPutchar(wch) wxPutc(wch, stdout)
 433             #endif
 434
 435             /* we need %s to %ls conversion for printf and scanf etc */
 436             #define wxNEED_PRINTF_CONVERSION
 437
 438             /* glibc doesn't have wide char equivalents of the other stuff so */
 439             /* use our own versions */
 440             #define wxNEED_WX_STDIO_H
 441             #define wxNEED_WX_STDLIB_H
 442             #define wxNEED_WX_TIME_H
 443         #elif defined(__MWERKS__) && ( defined(__MSL__) || defined(__MACH__) )
 444             /* ctype.h functions (wctype.h) */
 445             #define  wxIsalnum   iswalnum
 446             #define  wxIsalpha   iswalpha
 447             #define  wxIscntrl   iswcntrl
 448             #define  wxIsdigit   iswdigit
 449             #define  wxIsgraph   iswgraph
 450             #define  wxIslower   iswlower
 451             #define  wxIsprint   iswprint
 452             #define  wxIspunct   iswpunct
 453             #define  wxIsspace   iswspace
 454             #define  wxIsupper   iswupper
 455             #define  wxIsxdigit  iswxdigit
 456             #define  wxTolower   towlower
 457             #define  wxToupper   towupper
 458
 459             /* string.h functions (wchar.h) */
 460             #define  wxStrcat    wcscat
 461             #define  wxStrchr    wcschr
 462             #define  wxStrcmp    wcscmp
 463             #define  wxStrcoll   wcscoll
 464             #define  wxStrcpy    wcscpy
 465             #define  wxStrcspn   wcscspn
 466             #define  wxStrlen_   wxWcslen /* wxStrlen_() is used in wxStrlen() */
 467             #define  wxStrncat   wcsncat
 468             #define  wxStrncmp   wcsncmp
 469             #define  wxStrncpy   wcsncpy
 470             #define  wxStrpbrk   wcspbrk
 471             #define  wxStrrchr   wcsrchr
 472             #define  wxStrspn    wcsspn
 473             #define  wxStrstr    wcsstr
 474             #define  wxStrtod    wcstod
 475             #define  wxStrtol    wcstol
 476             #define  wxStrtoul   wcstoul
 477             #define  wxStrxfrm   wcsxfrm
 478
 479             #define  wxFgetc     fgetwc
 480             #define  wxFgetchar  fgetwchar
 481             #define  wxFgets     fgetws
 482             #define  wxFputc     fputwc
 483             #define  wxFputchar  fputwchar
 484             #define  wxGetc      getwc
 485             #define  wxGetchar   getwchar
 486             #define  wxGets      getws
 487             #define  wxUngetc    ungetwc
 488
 489             #define wxNEED_PRINTF_CONVERSION
 490
 491             #define  wxPutc      putwc
 492             #define  wxPutchar   putwchar
 493             #define  wxFputs     fputws
 494
 495             /* stdio.h functions */
 496
 497             #define wxNEED_WX_STDIO_H
 498
 499             /* stdlib.h functions */
 500             #ifdef __MACH__
 501             #define wxNEED_WX_STDLIB_H
 502             #else
 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             #endif
 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         #if defined( __WXMAC_XCODE__ ) && !defined( __cplusplus )
 644         /* xcode native targets are giving multiply defined symbols on regex */
 645                 static
 646         #endif
 647         inline size_t wxWcslen(const wchar_t *s)
 648         {
 649             size_t n = 0;
 650             while ( *s++ )
 651                 n++;
 652
 653             return n;
 654         }
 655     #endif
 656 #endif /* wxUSE_WCHAR_T */
 657
 658 #ifdef __cplusplus
 659 /* checks whether the passed in pointer is NULL and if the string is empty */
 660 inline bool wxIsEmpty(const wxChar *p) { return !p || !*p; }
 661
 662 /* safe version of strlen() (returns 0 if passed NULL pointer) */
 663 inline size_t wxStrlen(const wxChar *psz) { return psz ? wxStrlen_(psz) : 0; }
 664 #endif
 665
 666 /*
 667     each of strdup() and wcsdup() may or may not be available but we need both
 668     of them anyhow for wx/buffer.h so we define the missing one(s) in
 669     wxchar.cpp and so we should always have both wxStrdupA and wxStrdupW
 670     defined -- if this is somehow not the case in some situations, please
 671     correct that and not the lines here
 672  */
 673 #if wxUSE_UNICODE
 674     #define wxStrdup wxStrdupW
 675 #else
 676     #define wxStrdup wxStrdupA
 677 #endif
 678
 679 #ifdef __cplusplus
 680 WXDLLIMPEXP_BASE bool wxOKlibc(); /* for internal use */
 681 #endif
 682
 683 /* printf() family saga */
 684
 685 /*
 686    For some systems vsnprintf() exists in the system libraries but not in the
 687    headers, so we need to declare it ourselves to be able to use it.
 688  */
 689 #if defined(HAVE_VSNPRINTF) && !defined(HAVE_VSNPRINTF_DECL)
 690     extern "C"
 691     int vsnprintf(char *str, size_t size, const char *format, va_list ap);
 692 #endif /* !HAVE_VSNPRINTF_DECL */
 693
 694 /*
 695    First of all, we always want to define safe snprintf() function to be used
 696    instead of sprintf(). Some compilers already have it (or rather vsnprintf()
 697    which we really need...), otherwise we implement it using our own printf()
 698    code.
 699
 700    We define function with a trailing underscore here because the real one is a
 701    wrapper around it as explained below
 702  */
 703 #ifndef wxVsnprintf_
 704     #if wxUSE_UNICODE
 705         #if defined(__MWERKS__)
 706             #define HAVE_WCSRTOMBS 1
 707             #define HAVE_VSWPRINTF 1
 708         #endif
 709         #if defined(__WATCOMC__)
 710             #define wxVsnprintf_    _vsnwprintf
 711             #define wxSnprintf_     _snwprintf
 712         #endif
 713         #if defined(HAVE__VSNWPRINTF)
 714             #define wxVsnprintf_    _vsnwprintf
 715         /* MinGW?MSVCRT has the wrong vswprintf */
 716         #elif defined(HAVE_VSWPRINTF) && !defined(__MINGW32__)
 717             #define wxVsnprintf_    vswprintf
 718         #endif
 719     #else /* ASCII */
 720         /* all versions of CodeWarrior supported by wxWindows apparently have */
 721         /* vsnprintf() */
 722         #if defined(HAVE_VSNPRINTF) || defined(__MWERKS__) || defined(__WATCOMC__)
 723             /* assume we have snprintf() too if we have vsnprintf() */
 724             #define wxVsnprintf_    vsnprintf
 725             #define wxSnprintf_     snprintf
 726         #endif
 727     #endif
 728 #endif /* wxVsnprintf_ not defined yet */
 729
 730 #ifndef wxSnprintf_
 731     /* no [v]snprintf(), cook our own */
 732     WXDLLIMPEXP_BASE int wxSnprintf_(wxChar *buf, size_t len, const wxChar *format,
 733                                 ...) ATTRIBUTE_PRINTF_3;
 734 #endif
 735 #ifndef wxVsnprintf_
 736     WXDLLIMPEXP_BASE int wxVsnprintf_(wxChar *buf, size_t len, const wxChar *format,
 737                                  va_list argptr);
 738 #endif
 739
 740 /*
 741    In Unicode mode we need to have all standard functions such as wprintf() and
 742    so on but not all systems have them so use our own implementations in this
 743    case.
 744  */
 745 #if wxUSE_UNICODE && !defined(wxHAVE_TCHAR_SUPPORT) && !defined(HAVE_WPRINTF)
 746     #define wxNEED_WPRINTF
 747 #endif
 748
 749 /*
 750    More Unicode complications: although both ANSI C and C++ define a number of
 751    wide character functions such as wprintf(), not all environments have them.
 752    Worse, those which do have different behaviours: under Windows, %s format
 753    specifier changes its meaning in Unicode build and expects a Unicode string
 754    while under Unix/POSIX it still means an ASCII string even for wprintf() and
 755    %ls has to be used for wide strings.
 756
 757    We choose to always emulate Windows behaviour as more useful for us so even
 758    if we have wprintf() we still must wrap it in a non trivial wxPrintf().
 759
 760 */
 761
 762 #if defined(wxNEED_PRINTF_CONVERSION) || defined(wxNEED_WPRINTF)
 763     /*
 764         we need to implement all wide character printf and scanf functions
 765         either because we don't have them at all or because they don't have the
 766         semantics we need
 767      */
 768
 769     #include <stdio.h>  /* for FILE */
 770
 771     int wxScanf( const wxChar *format, ... ) ATTRIBUTE_PRINTF_1;
 772     int wxSscanf( const wxChar *str, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 773     int wxFscanf( FILE *stream, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 774     int wxVsscanf( const wxChar *str, const wxChar *format, va_list ap );
 775     int wxPrintf( const wxChar *format, ... ) ATTRIBUTE_PRINTF_1;
 776     int wxSprintf( wxChar *str, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 777     int wxFprintf( FILE *stream, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 778     int wxVfprintf( FILE *stream, const wxChar *format, va_list ap );
 779     int wxVprintf( const wxChar *format, va_list ap );
 780     int wxVsprintf( wxChar *str, const wxChar *format, va_list ap );
 781 #endif /* wxNEED_PRINTF_CONVERSION */
 782
 783 /* these 2 can be simply mapped to the versions with underscore at the end */
 784 /* if we don't have to do the conversion */
 785 /*
 786    However, if we don't have any vswprintf() at all we don't need to redefine
 787    anything as our own wxVsnprintf_() already behaves as needed.
 788 */
 789 #if defined(wxNEED_PRINTF_CONVERSION) && defined(wxVsnprintf_)
 790     int wxSnprintf( wxChar *str, size_t size, const wxChar *format, ... ) ATTRIBUTE_PRINTF_3;
 791     int wxVsnprintf( wxChar *str, size_t size, const wxChar *format, va_list ap );
 792 #else
 793     #define wxSnprintf wxSnprintf_
 794     #define wxVsnprintf wxVsnprintf_
 795 #endif
 796
 797 /*
 798     various functions which might not be available in libc and for which we
 799     provide our own replacements in wxchar.cpp
 800  */
 801
 802 /* ctype.h functions */
 803
 804 /* VZ: note that this is never defined currently */
 805 #ifdef wxNEED_WX_CTYPE_H
 806     WXDLLIMPEXP_BASE int wxIsalnum(wxChar ch);
 807     WXDLLIMPEXP_BASE int wxIsalpha(wxChar ch);
 808     WXDLLIMPEXP_BASE int wxIscntrl(wxChar ch);
 809     WXDLLIMPEXP_BASE int wxIsdigit(wxChar ch);
 810     WXDLLIMPEXP_BASE int wxIsgraph(wxChar ch);
 811     WXDLLIMPEXP_BASE int wxIslower(wxChar ch);
 812     WXDLLIMPEXP_BASE int wxIsprint(wxChar ch);
 813     WXDLLIMPEXP_BASE int wxIspunct(wxChar ch);
 814     WXDLLIMPEXP_BASE int wxIsspace(wxChar ch);
 815     WXDLLIMPEXP_BASE int wxIsupper(wxChar ch);
 816     WXDLLIMPEXP_BASE int wxIsxdigit(wxChar ch);
 817     WXDLLIMPEXP_BASE int wxTolower(wxChar ch);
 818     WXDLLIMPEXP_BASE int wxToupper(wxChar ch);
 819 #endif /* wxNEED_WX_CTYPE_H */
 820
 821 /* under VC++ 6.0 isspace() returns 1 for 8 bit chars which completely breaks */
 822 /* the file parsing -- this may be true for 5.0 as well, update #ifdef then */
 823 #if defined(__VISUALC__) && (__VISUALC__ >= 1200) && !wxUSE_UNICODE
 824     #undef wxIsspace
 825     #define wxIsspace(c) ((((unsigned)c) < 128) && isspace(c))
 826 #endif /* VC++ */
 827
 828 /*
 829    we had goofed and defined wxIctrl() instead of (correct) wxIscntrl() in the
 830    initial versions of this header -- now it is too late to remove it so
 831    although we fixed the function/macro name above, still provide the
 832    backwards-compatible synonym.
 833  */
 834 #define wxIsctrl wxIscntrl
 835
 836 /* string.h functions */
 837
 838 /* VZ: this is never defined neither currently */
 839 #ifdef wxNEED_WX_STRING_H
 840     WXDLLIMPEXP_BASE wxChar * wxStrcat(wxChar *dest, const wxChar *src);
 841     WXDLLIMPEXP_BASE const wxChar * wxStrchr(const wxChar *s, wxChar c);
 842     WXDLLIMPEXP_BASE wxChar * wxStrchr(wxChar *s, wxChar c)
 843         { return (wxChar *)wxStrchr((const wxChar *)s, c); }
 844     WXDLLIMPEXP_BASE int      wxStrcmp(const wxChar *s1, const wxChar *s2);
 845     WXDLLIMPEXP_BASE int      wxStrcoll(const wxChar *s1, const wxChar *s2);
 846     WXDLLIMPEXP_BASE wxChar * wxStrcpy(wxChar *dest, const wxChar *src);
 847     WXDLLIMPEXP_BASE size_t   wxStrcspn(const wxChar *s, const wxChar *reject);
 848     WXDLLIMPEXP_BASE size_t   wxStrlen(const wxChar *s);
 849     WXDLLIMPEXP_BASE wxChar * wxStrncat(wxChar *dest, const wxChar *src, size_t n);
 850     WXDLLIMPEXP_BASE int      wxStrncmp(const wxChar *s1, const wxChar *s2, size_t n);
 851     WXDLLIMPEXP_BASE wxChar * wxStrncpy(wxChar *dest, const wxChar *src, size_t n);
 852     WXDLLIMPEXP_BASE const wxChar * wxStrpbrk(const wxChar *s, const wxChar *accept);
 853     WXDLLIMPEXP_BASE wxChar * wxStrpbrk(wxChar *s, const wxChar *accept)
 854         { return (wxChar *)wxStrpbrk((const wxChar *)s, accept); }
 855     WXDLLIMPEXP_BASE const wxChar * wxStrrchr(const wxChar *s, wxChar c);
 856     WXDLLIMPEXP_BASE wxChar * wxStrrchr(wxChar *s, wxChar c)
 857         { return (wxChar *)wxStrrchr((const wxChar *)s, c); }
 858     WXDLLIMPEXP_BASE size_t   wxStrspn(const wxChar *s, const wxChar *accept);
 859     WXDLLIMPEXP_BASE const wxChar * wxStrstr(const wxChar *haystack, const wxChar *needle);
 860     WXDLLIMPEXP_BASE wxChar *wxStrstr(wxChar *haystack, const wxChar *needle)
 861         { return (wxChar *)wxStrstr((const wxChar *)haystack, needle); }
 862     WXDLLIMPEXP_BASE double   wxStrtod(const wxChar *nptr, wxChar **endptr);
 863     WXDLLIMPEXP_BASE long int wxStrtol(const wxChar *nptr, wxChar **endptr, int base);
 864     WXDLLIMPEXP_BASE unsigned long int wxStrtoul(const wxChar *nptr, wxChar **endptr, int base);
 865     WXDLLIMPEXP_BASE size_t   wxStrxfrm(wxChar *dest, const wxChar *src, size_t n);
 866 #endif /* wxNEED_WX_STRING_H */
 867
 868 #ifndef wxStrdupA
 869 WXDLLIMPEXP_BASE char *wxStrdupA(const char *psz);
 870 #endif
 871
 872 #ifndef wxStrdupW
 873 WXDLLIMPEXP_BASE wchar_t *wxStrdupW(const wchar_t *pwz);
 874 #endif
 875
 876 #ifndef wxStricmp
 877 WXDLLIMPEXP_BASE int wxStricmp(const wxChar *psz1, const wxChar *psz2);
 878 #endif
 879
 880 #ifndef wxStrnicmp
 881 WXDLLIMPEXP_BASE int wxStrnicmp(const wxChar *psz1, const wxChar *psz2, size_t len);
 882 #endif
 883
 884 #ifndef wxStrtok
 885 WXDLLIMPEXP_BASE wxChar * wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_ptr);
 886 #endif
 887
 888 #ifdef __cplusplus
 889 #ifndef wxSetlocale
 890 class WXDLLIMPEXP_BASE wxWCharBuffer;
 891 WXDLLIMPEXP_BASE wxWCharBuffer wxSetlocale(int category, const wxChar *locale);
 892 #endif
 893 #endif
 894
 895 /* stdio.h functions */
 896 #ifdef wxNEED_WX_STDIO_H
 897     #include <stdio.h>
 898     WXDLLIMPEXP_BASE FILE *   wxFopen(const wxChar *path, const wxChar *mode);
 899     WXDLLIMPEXP_BASE FILE *   wxFreopen(const wxChar *path, const wxChar *mode, FILE *stream);
 900     WXDLLIMPEXP_BASE int      wxRemove(const wxChar *path);
 901     WXDLLIMPEXP_BASE int      wxRename(const wxChar *oldpath, const wxChar *newpath);
 902
 903     /* *printf() family is handled separately */
 904 #endif /* wxNEED_WX_STDIO_H */
 905
 906
 907 /* stdlib.h functions */
 908 #ifndef wxAtof
 909 WXDLLIMPEXP_BASE double   wxAtof(const wxChar *psz);
 910 #endif
 911
 912 #ifdef wxNEED_WX_STDLIB_H
 913 WXDLLIMPEXP_BASE int      wxAtoi(const wxChar *psz);
 914 WXDLLIMPEXP_BASE long     wxAtol(const wxChar *psz);
 915 WXDLLIMPEXP_BASE wxChar * wxGetenv(const wxChar *name);
 916 WXDLLIMPEXP_BASE int      wxSystem(const wxChar *psz);
 917 #endif
 918
 919
 920 /* time.h functions */
 921 #ifdef wxNEED_WX_TIME_H
 922 #if defined(__MWERKS__) && defined(macintosh)
 923     #include <time.h>
 924 #endif
 925     WXDLLIMPEXP_BASE size_t wxStrftime(wxChar *s, size_t max,
 926                                   const wxChar *fmt, const struct tm *tm);
 927 #endif /* wxNEED_WX_TIME_H */
 928
 929 #ifndef wxCtime
 930 #include <time.h>
 931 WXDLLIMPEXP_BASE wxChar *wxCtime(const time_t *timep);
 932 #endif
 933
 934
 935 /* missing functions in some WinCE versions */
 936 #ifdef _WIN32_WCE
 937 #if (_WIN32_WCE < 300)
 938 WXDLLIMPEXP_BASE void *calloc( size_t num, size_t size );
 939 #endif
 940 WXDLLIMPEXP_BASE char* strdup(const char* s);
 941
 942 #if _WIN32_WCE <= 211
 943 WXDLLIMPEXP_BASE int isspace(int c);
 944 WXDLLIMPEXP_BASE int isascii( int c );
 945 #endif
 946 #endif
 947
 948 /* multibyte to wide char conversion functions and macros */
 949
 950 #if wxUSE_WCHAR_T
 951     /* multibyte<->widechar conversion */
 952     WXDLLIMPEXP_BASE size_t wxMB2WC(wchar_t *buf, const char *psz, size_t n);
 953     WXDLLIMPEXP_BASE size_t wxWC2MB(char *buf, const wchar_t *psz, size_t n);
 954
 955     #if wxUSE_UNICODE
 956         #define wxMB2WX wxMB2WC
 957         #define wxWX2MB wxWC2MB
 958         #define wxWC2WX wxStrncpy
 959         #define wxWX2WC wxStrncpy
 960     #else
 961         #define wxMB2WX wxStrncpy
 962         #define wxWX2MB wxStrncpy
 963         #define wxWC2WX wxWC2MB
 964         #define wxWX2WC wxMB2WC
 965     #endif
 966 #else /* !wxUSE_UNICODE */
 967     /* No wxUSE_WCHAR_T: we have to do something (JACS) */
 968     #define wxMB2WC wxStrncpy
 969     #define wxWC2MB wxStrncpy
 970     #define wxMB2WX wxStrncpy
 971     #define wxWX2MB wxStrncpy
 972     #define wxWC2WX wxWC2MB
 973     #define wxWX2WC wxMB2WC
 974 #endif
 975
 976 #endif /* _WX_WXCHAR_H_ */
 977