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