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