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         /* Digital Mars adds count to _stprintf (C99) so it does not fit wxWindows needs */
 307         /* Instead of it we can use function from MSW api (FIXME: doesn't work) */
 308         #ifdef wxUSE_UNICODE
 309             #define wxSprintf wsprintfW
 310         #else
 311             #define wxSprintf wsprintfA
 312         #endif
 313     #else
 314     #define  wxSprintf   _stprintf
 315     #endif
 316     #define  wxSscanf    _stscanf
 317     #define  wxTmpnam    _ttmpnam
 318     #define  wxUngetc    _tungetc
 319     #define  wxVfprintf  _vftprintf
 320     #define  wxVprintf   _vtprintf
 321     #define  wxVsscanf   _vstscanf
 322     #define  wxVsprintf  _vstprintf
 323
 324     /* special case: not all TCHAR-aware compilers have those */
 325     #if defined(__VISUALC__) || \
 326             (defined(__BORLANDC__) && __BORLANDC__ >= 0x540)
 327         #define wxVsnprintf_    _vsntprintf
 328         #define wxSnprintf_     _sntprintf
 329     #endif
 330
 331     /* special case: these functions are missing under Win9x with Unicows so we */
 332     /* have to implement them ourselves */
 333     #if wxUSE_UNICODE_MSLU
 334         #define  wxRemove    wxMSLU__tremove
 335         #define  wxRename    wxMSLU__trename
 336     #else
 337         #ifdef __WXWINCE__
 338             #define  wxRemove    DeleteFile
 339         #else
 340             #define  wxRemove    _tremove
 341             #define  wxRename    _trename
 342         #endif
 343     #endif
 344
 345     /* stdlib.h functions */
 346     #define  wxAtoi      _ttoi
 347     #define  wxAtol      _ttol
 348     /* #define  wxAtof   _tttof -- notice that there is no such thing (why?) */
 349     #define  wxGetenv    _tgetenv
 350     #define  wxSystem    _tsystem
 351
 352     /* time.h functions */
 353     #define  wxAsctime   _tasctime
 354     #define  wxCtime     _tctime
 355 #else /* !TCHAR-aware compilers */
 356     #if wxUSE_UNICODE
 357         #include <wctype.h>
 358
 359         /* this is probably glibc-specific */
 360         #if defined(__WCHAR_TYPE__) && !defined(__MWERKS__)
 361             /* ctype.h functions (wctype.h) */
 362             #define  wxIsalnum   iswalnum
 363             #define  wxIsalpha   iswalpha
 364             #define  wxIscntrl   iswcntrl
 365             #define  wxIsdigit   iswdigit
 366             #define  wxIsgraph   iswgraph
 367             #define  wxIslower   iswlower
 368             #define  wxIsprint   iswprint
 369             #define  wxIspunct   iswpunct
 370             #define  wxIsspace   iswspace
 371             #define  wxIsupper   iswupper
 372             #define  wxIsxdigit  iswxdigit
 373
 374             #if defined(__GLIBC__) && (__GLIBC__ == 2) && (__GLIBC_MINOR__ == 0)
 375                 /* /usr/include/wctype.h incorrectly declares translations */
 376                 /* tables which provokes tons of compile-time warnings -- try */
 377                 /* to correct this */
 378                 #define  wxTolower(wc)   towctrans((wc), (wctrans_t)__ctype_tolower)
 379                 #define  wxToupper(wc)   towctrans((wc), (wctrans_t)__ctype_toupper)
 380             #else /* !glibc 2.0 */
 381                 #define  wxTolower   towlower
 382                 #define  wxToupper   towupper
 383             #endif /* gcc/!gcc */
 384
 385             /* string.h functions (wchar.h) */
 386             #define  wxStrcat    wcscat
 387             #define  wxStrchr    wcschr
 388             #define  wxStrcmp    wcscmp
 389             #define  wxStrcoll   wcscoll
 390             #define  wxStrcpy    wcscpy
 391             #define  wxStrcspn   wcscspn
 392             #define  wxStrlen_   wxWcslen /* wxStrlen_() is used in wxStrlen() */
 393             #define  wxStrncat   wcsncat
 394             #define  wxStrncmp   wcsncmp
 395             #define  wxStrncpy   wcsncpy
 396             #define  wxStrpbrk   wcspbrk
 397             #define  wxStrrchr   wcsrchr
 398             #define  wxStrspn    wcsspn
 399             #define  wxStrstr    wcsstr
 400             #define  wxStrtod    wcstod
 401             #define  wxStrtol    wcstol
 402             #define  wxStrtoul   wcstoul
 403             #define  wxStrxfrm   wcsxfrm
 404
 405             #define  wxFgetc     fgetwc
 406             #define  wxFgetchar  fgetwchar
 407             #define  wxFgets     fgetws
 408             #define  wxFputc     fputwc
 409             #define  wxFputchar  fputwchar
 410             #define  wxGetc      getwc
 411             #define  wxGetchar   getwchar
 412             #define  wxGets      getws
 413             #define  wxUngetc    ungetwc
 414
 415             #ifdef HAVE_FPUTWC
 416                 #define  wxPutc      wputc
 417                 #define  wxPutchar   wputchar
 418                 #define  wxPuts      putws
 419                 #define  wxFputs     fputws
 420             #else
 421                 #define wxNEED_FPUTWC
 422
 423                 #include <stdio.h>
 424
 425                 int wxFputs(const wxChar *ch, FILE *stream);
 426                 int wxPutc(wxChar ch, FILE *stream);
 427
 428                 #define wxPuts(ws) wxFputs(ws, stdout)
 429                 #define wxPutchar(wch) wxPutc(wch, stdout)
 430             #endif
 431
 432             /* we need %s to %ls conversion for printf and scanf etc */
 433             #define wxNEED_PRINTF_CONVERSION
 434
 435             /* glibc doesn't have wide char equivalents of the other stuff so */
 436             /* use our own versions */
 437             #define wxNEED_WX_STDIO_H
 438             #define wxNEED_WX_STDLIB_H
 439             #define wxNEED_WX_TIME_H
 440         #elif defined(__MWERKS__) && ( defined(macintosh) || defined(__MACH__) )
 441             /* ctype.h functions (wctype.h) */
 442             #define  wxIsalnum   iswalnum
 443             #define  wxIsalpha   iswalpha
 444             #define  wxIscntrl   iswcntrl
 445             #define  wxIsdigit   iswdigit
 446             #define  wxIsgraph   iswgraph
 447             #define  wxIslower   iswlower
 448             #define  wxIsprint   iswprint
 449             #define  wxIspunct   iswpunct
 450             #define  wxIsspace   iswspace
 451             #define  wxIsupper   iswupper
 452             #define  wxIsxdigit  iswxdigit
 453             #define  wxTolower   towlower
 454             #define  wxToupper   towupper
 455
 456             /* string.h functions (wchar.h) */
 457             #define  wxStrcat    wcscat
 458             #define  wxStrchr    wcschr
 459             #define  wxStrcmp    wcscmp
 460             #define  wxStrcoll   wcscoll
 461             #define  wxStrcpy    wcscpy
 462             #define  wxStrcspn   wcscspn
 463             #define  wxStrlen_   wxWcslen /* wxStrlen_() is used in wxStrlen() */
 464             #define  wxStrncat   wcsncat
 465             #define  wxStrncmp   wcsncmp
 466             #define  wxStrncpy   wcsncpy
 467             #define  wxStrpbrk   wcspbrk
 468             #define  wxStrrchr   wcsrchr
 469             #define  wxStrspn    wcsspn
 470             #define  wxStrstr    wcsstr
 471             #define  wxStrtod    wcstod
 472             #define  wxStrtol    wcstol
 473             #define  wxStrtoul   wcstoul
 474             #define  wxStrxfrm   wcsxfrm
 475
 476             #define  wxFgetc     fgetwc
 477             #define  wxFgetchar  fgetwchar
 478             #define  wxFgets     fgetws
 479             #define  wxFputc     fputwc
 480             #define  wxFputchar  fputwchar
 481             #define  wxGetc      getwc
 482             #define  wxGetchar   getwchar
 483             #define  wxGets      getws
 484             #define  wxUngetc    ungetwc
 485
 486             #define wxNEED_PRINTF_CONVERSION
 487
 488             #define  wxPutc      putwc
 489             #define  wxPutchar   putwchar
 490             #define  wxFputs     fputws
 491
 492             /* stdio.h functions */
 493
 494             #define wxNEED_WX_STDIO_H
 495
 496             /* stdlib.h functions */
 497             #define  wxAtof      watof
 498             #define  wxAtoi      watoi
 499             #define  wxAtol      watol
 500             #define  wxGetenv(a)    ((wxChar*)NULL)
 501             #define  wxSystem(a)    ((int)NULL)
 502
 503             /* time.h functions */
 504             #define  wxAsctime   wasciitime
 505             #define  wxCtime     wctime
 506             /* #define  wxStrftime  wcsftime */
 507
 508             #define wxNEED_WX_TIME_H
 509         #else /* !metrowerks for apple */
 510             #error  "Please define wide character functions for your environment"
 511         #endif
 512     #else /* ASCII */
 513         #include <ctype.h>
 514         #include <string.h>
 515
 516         /* ctype.h functions */
 517         #define  wxIsalnum   isalnum
 518         #define  wxIsalpha   isalpha
 519         #define  wxIscntrl   iscntrl
 520         #define  wxIsdigit   isdigit
 521         #define  wxIsgraph   isgraph
 522         #define  wxIslower   islower
 523         #define  wxIsprint   isprint
 524         #define  wxIspunct   ispunct
 525         #define  wxIsspace   isspace
 526         #define  wxIsupper   isupper
 527         #define  wxIsxdigit  isxdigit
 528         #define  wxTolower   tolower
 529         #define  wxToupper   toupper
 530
 531          /* locale.h functons */
 532         #define  wxSetlocale setlocale
 533
 534          /* string.h functions */
 535         #define  wxStrcat    strcat
 536         #define  wxStrchr    strchr
 537         #define  wxStrcmp    strcmp
 538         #define  wxStrcoll   strcoll
 539         #define  wxStrcpy    strcpy
 540         #define  wxStrcspn   strcspn
 541
 542         /* wxStricmp and wxStrnicmp are defined below */
 543         #define  wxStrlen_   strlen /* used in wxStrlen inline function */
 544         #define  wxStrncat   strncat
 545         #define  wxStrncmp   strncmp
 546         #define  wxStrncpy   strncpy
 547         #define  wxStrpbrk   strpbrk
 548         #define  wxStrrchr   strrchr
 549         #define  wxStrspn    strspn
 550         #define  wxStrstr    strstr
 551         #define  wxStrtod    strtod
 552         #ifdef HAVE_STRTOK_R
 553             #define  wxStrtok(str, sep, last)    strtok_r(str, sep, last)
 554         #endif
 555         #define  wxStrtol    strtol
 556         #define  wxStrtoul   strtoul
 557         #define  wxStrxfrm   strxfrm
 558
 559         /* stdio.h functions */
 560         #define  wxFopen     fopen
 561         #define  wxFreopen   freopen
 562         #define  wxRemove    remove
 563         #define  wxRename    rename
 564
 565         #define  wxPerror    perror
 566         #define  wxTmpnam    tmpnam
 567
 568         #define  wxFgetc     fgetc
 569         #define  wxFgetchar  fgetchar
 570         #define  wxFgets     fgets
 571         #define  wxFputc     fputc
 572         #define  wxFputs     fputs
 573         #define  wxFputchar  fputchar
 574         #define  wxFprintf   fprintf
 575         #define  wxFscanf    fscanf
 576         #define  wxGetc      getc
 577         #define  wxGetchar   getchar
 578         #define  wxGets      gets
 579         #define  wxPrintf    printf
 580         #define  wxPutc      putc
 581         #define  wxPutchar   putchar
 582         #define  wxPuts      puts
 583         #define  wxScanf     scanf
 584         #define  wxSprintf   sprintf
 585         #define  wxSscanf    sscanf
 586         #define  wxUngetc    ungetc
 587         #define  wxVfprintf  vfprintf
 588         #define  wxVprintf   vprintf
 589         #define  wxVsscanf   vsscanf
 590         #define  wxVsprintf  vsprintf
 591
 592         /* stdlib.h functions */
 593         #define  wxAtof      atof
 594         #define  wxAtoi      atoi
 595         #define  wxAtol      atol
 596         #define  wxGetenv    getenv
 597         #define  wxSystem    system
 598
 599         /* time.h functions */
 600         #define  wxAsctime   asctime
 601         #define  wxCtime     ctime
 602         #define  wxStrftime  strftime
 603     #endif /* Unicode/ASCII */
 604 #endif /* TCHAR-aware compilers/the others */
 605
 606 /*
 607     various special cases
 608  */
 609
 610 /* define wxStricmp and wxStrnicmp for various compilers */
 611
 612 /* note that in Unicode mode we definitely are going to need our own version */
 613 #if !defined(wxStricmp) && !wxUSE_UNICODE
 614     #if defined(__BORLANDC__) || defined(__WATCOMC__) || \
 615             defined(__SALFORDC__) || defined(__VISAGECPP__) || \
 616             defined(__EMX__) || defined(__DJGPP__)
 617         #define wxStricmp stricmp
 618         #define wxStrnicmp strnicmp
 619     #elif defined(__SYMANTEC__) || defined(__VISUALC__) || \
 620             (defined(__MWERKS__) && defined(__INTEL__))
 621         #define wxStricmp _stricmp
 622         #define wxStrnicmp _strnicmp
 623     #elif defined(__UNIX__) || defined(__GNUWIN32__)
 624         #define wxStricmp strcasecmp
 625         #define wxStrnicmp strncasecmp
 626     /* #else -- use wxWindows implementation */
 627     #endif
 628 #endif /* !defined(wxStricmp) */
 629
 630 /* define wxWcslen() which should be always available if wxUSE_WCHAR_T == 1 (as */
 631 /* it's used in wx/buffer.h -- and also might be used just below by wxStrlen() */
 632 /* when wxStrlen_() is #define'd as wxWcslen so do it before defining wxStrlen) */
 633 #if wxUSE_WCHAR_T
 634     #ifdef HAVE_WCSLEN
 635         #define wxWcslen wcslen
 636     #else
 637         inline size_t wxWcslen(const wchar_t *s)
 638         {
 639             size_t n = 0;
 640             while ( *s++ )
 641                 n++;
 642
 643             return n;
 644         }
 645     #endif
 646 #endif /* wxUSE_WCHAR_T */
 647
 648 #ifdef __cplusplus
 649 /* checks whether the passed in pointer is NULL and if the string is empty */
 650 inline bool wxIsEmpty(const wxChar *p) { return !p || !*p; }
 651
 652 /* safe version of strlen() (returns 0 if passed NULL pointer) */
 653 inline size_t wxStrlen(const wxChar *psz) { return psz ? wxStrlen_(psz) : 0; }
 654 #endif
 655
 656 /*
 657     each of strdup() and wcsdup() may or may not be available but we need both
 658     of them anyhow for wx/buffer.h so we define the missing one(s) in
 659     wxchar.cpp and so we should always have both wxStrdupA and wxStrdupW
 660     defined -- if this is somehow not the case in some situations, please
 661     correct that and not the lines here
 662  */
 663 #if wxUSE_UNICODE
 664     #define wxStrdup wxStrdupW
 665 #else
 666     #define wxStrdup wxStrdupA
 667 #endif
 668
 669 #ifdef __cplusplus
 670 WXDLLIMPEXP_BASE bool wxOKlibc(); /* for internal use */
 671 #endif
 672
 673 /* printf() family saga */
 674
 675 /*
 676    For some systems vsnprintf() exists in the system libraries but not in the
 677    headers, so we need to declare it ourselves to be able to use it.
 678  */
 679 #if defined(HAVE_VSNPRINTF) && !defined(HAVE_VSNPRINTF_DECL)
 680     extern "C"
 681     int vsnprintf(char *str, size_t size, const char *format, va_list ap);
 682 #endif /* !HAVE_VSNPRINTF_DECL */
 683
 684 /*
 685    First of all, we always want to define safe snprintf() function to be used
 686    instead of sprintf(). Some compilers already have it (or rather vsnprintf()
 687    which we really need...), otherwise we implement it using our own printf()
 688    code.
 689
 690    We define function with a trailing underscore here because the real one is a
 691    wrapper around it as explained below
 692  */
 693 #ifndef wxVsnprintf_
 694     #if wxUSE_UNICODE
 695         #if defined(__MWERKS__)
 696             #define HAVE_WCSRTOMBS 1
 697             #define HAVE_VSWPRINTF 1
 698         #endif
 699         #if defined(__WATCOMC__)
 700             #define wxVsnprintf_    _vsnwprintf
 701             #define wxSnprintf_     _snwprintf
 702         #endif
 703         #if defined(HAVE__VSNWPRINTF)
 704             #define wxVsnprintf_    _vsnwprintf
 705         /* MinGW?MSVCRT has the wrong vswprintf */
 706         #elif defined(HAVE_VSWPRINTF) && !defined(__MINGW32__)
 707             #define wxVsnprintf_    vswprintf
 708         #endif
 709     #else /* ASCII */
 710         /* all versions of CodeWarrior supported by wxWindows apparently have */
 711         /* vsnprintf() */
 712         #if defined(HAVE_VSNPRINTF) || defined(__MWERKS__) || defined(__WATCOMC__)
 713             /* assume we have snprintf() too if we have vsnprintf() */
 714             #define wxVsnprintf_    vsnprintf
 715             #define wxSnprintf_     snprintf
 716         #endif
 717     #endif
 718 #endif /* wxVsnprintf_ not defined yet */
 719
 720 #ifndef wxSnprintf_
 721     /* no [v]snprintf(), cook our own */
 722     WXDLLIMPEXP_BASE int wxSnprintf_(wxChar *buf, size_t len, const wxChar *format,
 723                                 ...) ATTRIBUTE_PRINTF_3;
 724 #endif
 725 #ifndef wxVsnprintf_
 726     WXDLLIMPEXP_BASE int wxVsnprintf_(wxChar *buf, size_t len, const wxChar *format,
 727                                  va_list argptr);
 728 #endif
 729
 730 /*
 731    In Unicode mode we need to have all standard functions such as wprintf() and
 732    so on but not all systems have them so use our own implementations in this
 733    case.
 734  */
 735 #if wxUSE_UNICODE && !defined(wxHAVE_TCHAR_SUPPORT) && !defined(HAVE_WPRINTF)
 736     #define wxNEED_WPRINTF
 737 #endif
 738
 739 /*
 740    More Unicode complications: although both ANSI C and C++ define a number of
 741    wide character functions such as wprintf(), not all environments have them.
 742    Worse, those which do have different behaviours: under Windows, %s format
 743    specifier changes its meaning in Unicode build and expects a Unicode string
 744    while under Unix/POSIX it still means an ASCII string even for wprintf() and
 745    %ls has to be used for wide strings.
 746
 747    We choose to always emulate Windows behaviour as more useful for us so even
 748    if we have wprintf() we still must wrap it in a non trivial wxPrintf().
 749
 750    However, if we don't have any vswprintf() at all we don't need to redefine
 751    anything as our own wxVsnprintf_() already behaves as needed.
 752 */
 753 #ifndef wxVsnprintf_
 754     #undef wxNEED_PRINTF_CONVERSION
 755 #endif
 756
 757 #if defined(wxNEED_PRINTF_CONVERSION) || defined(wxNEED_WPRINTF)
 758     /*
 759         we need to implement all wide character printf and scanf functions
 760         either because we don't have them at all or because they don't have the
 761         semantics we need
 762      */
 763
 764     #include <stdio.h>  /* for FILE */
 765
 766     int wxScanf( const wxChar *format, ... ) ATTRIBUTE_PRINTF_1;
 767     int wxSscanf( const wxChar *str, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 768     int wxFscanf( FILE *stream, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 769     int wxVsscanf( const wxChar *str, const wxChar *format, va_list ap );
 770     int wxPrintf( const wxChar *format, ... ) ATTRIBUTE_PRINTF_1;
 771     int wxSprintf( wxChar *str, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 772     int wxFprintf( FILE *stream, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 773     int wxVfprintf( FILE *stream, const wxChar *format, va_list ap );
 774     int wxVprintf( const wxChar *format, va_list ap );
 775     int wxVsprintf( wxChar *str, const wxChar *format, va_list ap );
 776 #endif /* wxNEED_PRINTF_CONVERSION */
 777
 778 /* these 2 can be simply mapped to the versions with underscore at the end */
 779 /* if we don't have to do the conversion */
 780 #ifdef wxNEED_PRINTF_CONVERSION
 781     int wxSnprintf( wxChar *str, size_t size, const wxChar *format, ... ) ATTRIBUTE_PRINTF_3;
 782     int wxVsnprintf( wxChar *str, size_t size, const wxChar *format, va_list ap );
 783 #else
 784     #define wxSnprintf wxSnprintf_
 785     #define wxVsnprintf wxVsnprintf_
 786 #endif
 787
 788 /*
 789     various functions which might not be available in libc and for which we
 790     provide our own replacements in wxchar.cpp
 791  */
 792
 793 /* ctype.h functions */
 794
 795 /* VZ: note that this is never defined currently */
 796 #ifdef wxNEED_WX_CTYPE_H
 797     WXDLLIMPEXP_BASE int wxIsalnum(wxChar ch);
 798     WXDLLIMPEXP_BASE int wxIsalpha(wxChar ch);
 799     WXDLLIMPEXP_BASE int wxIscntrl(wxChar ch);
 800     WXDLLIMPEXP_BASE int wxIsdigit(wxChar ch);
 801     WXDLLIMPEXP_BASE int wxIsgraph(wxChar ch);
 802     WXDLLIMPEXP_BASE int wxIslower(wxChar ch);
 803     WXDLLIMPEXP_BASE int wxIsprint(wxChar ch);
 804     WXDLLIMPEXP_BASE int wxIspunct(wxChar ch);
 805     WXDLLIMPEXP_BASE int wxIsspace(wxChar ch);
 806     WXDLLIMPEXP_BASE int wxIsupper(wxChar ch);
 807     WXDLLIMPEXP_BASE int wxIsxdigit(wxChar ch);
 808     WXDLLIMPEXP_BASE int wxTolower(wxChar ch);
 809     WXDLLIMPEXP_BASE int wxToupper(wxChar ch);
 810 #endif /* wxNEED_WX_CTYPE_H */
 811
 812 /* under VC++ 6.0 isspace() returns 1 for 8 bit chars which completely breaks */
 813 /* the file parsing -- this may be true for 5.0 as well, update #ifdef then */
 814 #if defined(__VISUALC__) && (__VISUALC__ >= 1200) && !wxUSE_UNICODE
 815     #undef wxIsspace
 816     #define wxIsspace(c) ((((unsigned)c) < 128) && isspace(c))
 817 #endif /* VC++ */
 818
 819 /*
 820    we had goofed and defined wxIctrl() instead of (correct) wxIscntrl() in the
 821    initial versions of this header -- now it is too late to remove it so
 822    although we fixed the function/macro name above, still provide the
 823    backwards-compatible synonym.
 824  */
 825 #define wxIsctrl wxIscntrl
 826
 827 /* string.h functions */
 828
 829 /* VZ: this is never defined neither currently */
 830 #ifdef wxNEED_WX_STRING_H
 831     WXDLLIMPEXP_BASE wxChar * wxStrcat(wxChar *dest, const wxChar *src);
 832     WXDLLIMPEXP_BASE const wxChar * wxStrchr(const wxChar *s, wxChar c);
 833     WXDLLIMPEXP_BASE wxChar * wxStrchr(wxChar *s, wxChar c)
 834         { return (wxChar *)wxStrchr((const wxChar *)s, c); }
 835     WXDLLIMPEXP_BASE int      wxStrcmp(const wxChar *s1, const wxChar *s2);
 836     WXDLLIMPEXP_BASE int      wxStrcoll(const wxChar *s1, const wxChar *s2);
 837     WXDLLIMPEXP_BASE wxChar * wxStrcpy(wxChar *dest, const wxChar *src);
 838     WXDLLIMPEXP_BASE size_t   wxStrcspn(const wxChar *s, const wxChar *reject);
 839     WXDLLIMPEXP_BASE size_t   wxStrlen(const wxChar *s);
 840     WXDLLIMPEXP_BASE wxChar * wxStrncat(wxChar *dest, const wxChar *src, size_t n);
 841     WXDLLIMPEXP_BASE int      wxStrncmp(const wxChar *s1, const wxChar *s2, size_t n);
 842     WXDLLIMPEXP_BASE wxChar * wxStrncpy(wxChar *dest, const wxChar *src, size_t n);
 843     WXDLLIMPEXP_BASE const wxChar * wxStrpbrk(const wxChar *s, const wxChar *accept);
 844     WXDLLIMPEXP_BASE wxChar * wxStrpbrk(wxChar *s, const wxChar *accept)
 845         { return (wxChar *)wxStrpbrk((const wxChar *)s, accept); }
 846     WXDLLIMPEXP_BASE const wxChar * wxStrrchr(const wxChar *s, wxChar c);
 847     WXDLLIMPEXP_BASE wxChar * wxStrrchr(wxChar *s, wxChar c)
 848         { return (wxChar *)wxStrrchr((const wxChar *)s, c); }
 849     WXDLLIMPEXP_BASE size_t   wxStrspn(const wxChar *s, const wxChar *accept);
 850     WXDLLIMPEXP_BASE const wxChar * wxStrstr(const wxChar *haystack, const wxChar *needle);
 851     WXDLLIMPEXP_BASE wxChar *wxStrstr(wxChar *haystack, const wxChar *needle)
 852         { return (wxChar *)wxStrstr((const wxChar *)haystack, needle); }
 853     WXDLLIMPEXP_BASE double   wxStrtod(const wxChar *nptr, wxChar **endptr);
 854     WXDLLIMPEXP_BASE long int wxStrtol(const wxChar *nptr, wxChar **endptr, int base);
 855     WXDLLIMPEXP_BASE unsigned long int wxStrtoul(const wxChar *nptr, wxChar **endptr, int base);
 856     WXDLLIMPEXP_BASE size_t   wxStrxfrm(wxChar *dest, const wxChar *src, size_t n);
 857 #endif /* wxNEED_WX_STRING_H */
 858
 859 #ifndef wxStrdupA
 860 WXDLLIMPEXP_BASE char *wxStrdupA(const char *psz);
 861 #endif
 862
 863 #ifndef wxStrdupW
 864 WXDLLIMPEXP_BASE wchar_t *wxStrdupW(const wchar_t *pwz);
 865 #endif
 866
 867 #ifndef wxStricmp
 868 WXDLLIMPEXP_BASE int wxStricmp(const wxChar *psz1, const wxChar *psz2);
 869 #endif
 870
 871 #ifndef wxStrnicmp
 872 WXDLLIMPEXP_BASE int wxStrnicmp(const wxChar *psz1, const wxChar *psz2, size_t len);
 873 #endif
 874
 875 #ifndef wxStrtok
 876 WXDLLIMPEXP_BASE wxChar * wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_ptr);
 877 #endif
 878
 879 #ifdef __cplusplus
 880 #ifndef wxSetlocale
 881 class WXDLLIMPEXP_BASE wxWCharBuffer;
 882 WXDLLIMPEXP_BASE wxWCharBuffer wxSetlocale(int category, const wxChar *locale);
 883 #endif
 884 #endif
 885
 886 /* stdio.h functions */
 887 #ifdef wxNEED_WX_STDIO_H
 888     #include <stdio.h>
 889     WXDLLIMPEXP_BASE FILE *   wxFopen(const wxChar *path, const wxChar *mode);
 890     WXDLLIMPEXP_BASE FILE *   wxFreopen(const wxChar *path, const wxChar *mode, FILE *stream);
 891     WXDLLIMPEXP_BASE int      wxRemove(const wxChar *path);
 892     WXDLLIMPEXP_BASE int      wxRename(const wxChar *oldpath, const wxChar *newpath);
 893
 894     /* *printf() family is handled separately */
 895 #endif /* wxNEED_WX_STDIO_H */
 896
 897
 898 /* stdlib.h functions */
 899 #ifndef wxAtof
 900 WXDLLIMPEXP_BASE double   wxAtof(const wxChar *psz);
 901 #endif
 902
 903 #ifdef wxNEED_WX_STDLIB_H
 904 WXDLLIMPEXP_BASE int      wxAtoi(const wxChar *psz);
 905 WXDLLIMPEXP_BASE long     wxAtol(const wxChar *psz);
 906 WXDLLIMPEXP_BASE wxChar * wxGetenv(const wxChar *name);
 907 WXDLLIMPEXP_BASE int      wxSystem(const wxChar *psz);
 908 #endif
 909
 910
 911 /* time.h functions */
 912 #ifdef wxNEED_WX_TIME_H
 913 #if defined(__MWERKS__) && defined(macintosh)
 914     #include <time.h>
 915 #endif
 916     WXDLLIMPEXP_BASE size_t wxStrftime(wxChar *s, size_t max,
 917                                   const wxChar *fmt, const struct tm *tm);
 918 #endif /* wxNEED_WX_TIME_H */
 919
 920 /* missing functions in some WinCE versions */
 921 #ifdef _WIN32_WCE
 922 #if (_WIN32_WCE < 300)
 923 WXDLLIMPEXP_BASE void *calloc( size_t num, size_t size );
 924 #endif
 925 WXDLLIMPEXP_BASE char* strdup(const char* s);
 926
 927 #if _WIN32_WCE <= 211
 928 WXDLLIMPEXP_BASE int isspace(int c);
 929 WXDLLIMPEXP_BASE int isascii( int c );
 930 #endif
 931 #endif
 932
 933 /* multibyte to wide char conversion functions and macros */
 934
 935 #if wxUSE_WCHAR_T
 936     /* multibyte<->widechar conversion */
 937     WXDLLIMPEXP_BASE size_t wxMB2WC(wchar_t *buf, const char *psz, size_t n);
 938     WXDLLIMPEXP_BASE size_t wxWC2MB(char *buf, const wchar_t *psz, size_t n);
 939
 940     #if wxUSE_UNICODE
 941         #define wxMB2WX wxMB2WC
 942         #define wxWX2MB wxWC2MB
 943         #define wxWC2WX wxStrncpy
 944         #define wxWX2WC wxStrncpy
 945     #else
 946         #define wxMB2WX wxStrncpy
 947         #define wxWX2MB wxStrncpy
 948         #define wxWC2WX wxWC2MB
 949         #define wxWX2WC wxMB2WC
 950     #endif
 951 #else /* !wxUSE_UNICODE */
 952     /* No wxUSE_WCHAR_T: we have to do something (JACS) */
 953     #define wxMB2WC wxStrncpy
 954     #define wxWC2MB wxStrncpy
 955     #define wxMB2WX wxStrncpy
 956     #define wxWX2MB wxStrncpy
 957     #define wxWC2WX wxWC2MB
 958     #define wxWX2WC wxMB2WC
 959 #endif
 960
 961 #endif /* _WX_WXCHAR_H_ */
 962