include/wx/wxchar.h

   1 /*
   2  * Name:        wx/wxchar.h
   3  * Purpose:     Declarations common to wx char/wchar_t usage (wide chars)
   4  * Author:      Joel Farley, Ove Kåven
   5  * Modified by: Vadim Zeitlin, Robert Roebling, Ron Lee
   6  * Created:     1998/06/12
   7  * RCS-ID:      $Id$
   8  * Copyright:   (c) 1998-2002 wxWidgets dev team
   9  * Licence:     wxWindows licence
  10  */
  11
  12 /* THIS IS A C FILE, DON'T USE C++ FEATURES (IN PARTICULAR COMMENTS) IN IT */
  13
  14 #ifndef _WX_WXCHAR_H_
  15 #define _WX_WXCHAR_H_
  16
  17 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  18     #pragma interface "wxchar.h"
  19 #endif
  20
  21 #include "wx/defs.h"        /* for wxUSE_UNICODE */
  22
  23 /* check whether we have wchar_t and which size it is if we do */
  24 #if !defined(wxUSE_WCHAR_T)
  25     #if defined(__UNIX__)
  26         #if defined(HAVE_WCSTR_H) || defined(HAVE_WCHAR_H) || defined(__FreeBSD__) || defined(__DARWIN__)
  27             #define wxUSE_WCHAR_T 1
  28         #else
  29             #define wxUSE_WCHAR_T 0
  30         #endif
  31     #elif defined(__GNUWIN32__) && !defined(__MINGW32__)
  32         #define wxUSE_WCHAR_T 0
  33     #elif defined(__WATCOMC__)
  34         #define wxUSE_WCHAR_T 0
  35     #elif defined(__VISAGECPP__) && (__IBMCPP__ < 400)
  36         #define wxUSE_WCHAR_T 0
  37     #else
  38         /* add additional compiler checks if this fails */
  39         #define wxUSE_WCHAR_T 1
  40     #endif
  41 #endif /* !defined(wxUSE_WCHAR_T) */
  42
  43 /* Unicode support requires wchar_t */
  44 #if wxUSE_UNICODE && !wxUSE_WCHAR_T
  45     #error "wchar_t must be available in Unicode build"
  46 #endif /* Unicode */
  47
  48 /*
  49     Standard headers we need here.
  50
  51     NB: don't include any wxWidgets headers here because almost of them include
  52         this one!
  53  */
  54
  55 /* Required for wxPrintf() etc */
  56 #include <stdarg.h>
  57
  58 /* Almost all compiler have strdup(), but not quite all: CodeWarrior under Mac */
  59 /* and VC++ for Windows CE don't provide it */
  60 #if !(defined(__MWERKS__) && defined(__WXMAC__)) && !defined(__WXWINCE__)
  61     /* use #define, not inline wrapper, as it is tested with #ifndef below */
  62     #define wxStrdupA strdup
  63 #endif
  64
  65 /*
  66    non Unix compilers which do have wchar.h (but not tchar.h which is included
  67    below and which includes wchar.h anyhow).
  68
  69    Actually MinGW has tchar.h, but it does not include wchar.h
  70  */
  71 #if defined(__MWERKS__) || defined(__VISAGECPP__) || defined(__MINGW32__) || defined(__WATCOMC__)
  72     #ifndef HAVE_WCHAR_H
  73         #define HAVE_WCHAR_H
  74     #endif
  75 #endif
  76 #if defined(__MWERKS__) && !defined(__MACH__)
  77     #ifndef HAVE_WCSLEN
  78         #define HAVE_WCSLEN
  79     #endif
  80 #endif
  81
  82 #if wxUSE_WCHAR_T
  83     #ifdef HAVE_WCHAR_H
  84         /* the current (as of Nov 2002) version of cygwin has a bug in its */
  85         /* wchar.h -- there is no extern "C" around the declarations in it and */
  86         /* this results in linking errors later; also, at least on some */
  87         /* Cygwin versions, wchar.h requires sys/types.h */
  88         #ifdef __CYGWIN__
  89             #include <sys/types.h>
  90             extern "C" {
  91         #endif /* Cygwin */
  92                 #include <wchar.h>
  93         #ifdef __CYGWIN__
  94             }
  95         #endif /* Cygwin */
  96     #elif defined(HAVE_WCSTR_H)
  97         /* old compilers have relevant declarations here */
  98         #include <wcstr.h>
  99     #elif defined(__FreeBSD__) || defined(__DARWIN__) || defined(__EMX__)
 100         /* include stdlib.h for wchar_t */
 101         #include <stdlib.h>
 102     #endif /* HAVE_WCHAR_H */
 103 #endif /* wxUSE_WCHAR_T */
 104
 105 /* ---------------------------------------------------------------------------- */
 106 /* define wxHAVE_TCHAR_SUPPORT for the compilers which support the TCHAR type */
 107 /* mapped to either char or wchar_t depending on the ASCII/Unicode mode and have */
 108 /* the function mapping _tfoo() -> foo() or wfoo() */
 109 /* ---------------------------------------------------------------------------- */
 110
 111 /* VC++ and BC++ starting with 5.2 have TCHAR support */
 112 #ifdef __VISUALC__
 113     #define wxHAVE_TCHAR_SUPPORT
 114 #elif defined(__BORLANDC__) && (__BORLANDC__ >= 0x520)
 115     #define wxHAVE_TCHAR_SUPPORT
 116     #include <ctype.h>
 117 #elif defined(__WATCOMC__)
 118     #define wxHAVE_TCHAR_SUPPORT
 119 #elif defined(__DMC__)
 120     #define wxHAVE_TCHAR_SUPPORT
 121 #elif defined(__MINGW32__) && wxCHECK_W32API_VERSION( 1, 0 ) && !defined(__PALMOS__)
 122     #define wxHAVE_TCHAR_SUPPORT
 123     #include <stddef.h>
 124     #include <string.h>
 125     #include <ctype.h>
 126 #elif 0 && defined(__VISAGECPP__) && (__IBMCPP__ >= 400)
 127     /* VZ: the old VisualAge definitions were completely wrong and had no */
 128     /*     chance at all to work in Unicode build anyhow so let's pretend that */
 129     /*     VisualAge does _not_ support TCHAR for the moment (as indicated by */
 130     /*     "0 &&" above) until someone really has time to delve into Unicode */
 131     /*     issues under OS/2 */
 132
 133     /* VisualAge 4.0+ supports TCHAR */
 134     #define wxHAVE_TCHAR_SUPPORT
 135 #endif /* compilers with (good) TCHAR support */
 136
 137 #ifdef __MWERKS__
 138     #define HAVE_WPRINTF
 139 #endif
 140
 141 #ifdef wxHAVE_TCHAR_SUPPORT
 142     /* get TCHAR definition if we've got it */
 143     #include <tchar.h>
 144
 145     /* we surely do have wchar_t if we have TCHAR */
 146     #ifndef wxUSE_WCHAR_T
 147         #define wxUSE_WCHAR_T 1
 148     #endif /* !defined(wxUSE_WCHAR_T) */
 149
 150     /* and we also do have wcslen() */
 151     #ifndef HAVE_WCSLEN
 152         #define HAVE_WCSLEN
 153     #endif
 154 #endif /* wxHAVE_TCHAR_SUPPORT */
 155
 156 /* ---------------------------------------------------------------------------- */
 157 /* define wxChar type */
 158 /* ---------------------------------------------------------------------------- */
 159
 160 /* TODO: define wxCharInt to be equal to either int or wint_t? */
 161
 162 #if !wxUSE_UNICODE
 163     typedef char wxChar;
 164     typedef signed char wxSChar;
 165     typedef unsigned char wxUChar;
 166 #else /* Unicode */
 167     /* VZ: note that VC++ defines _T[SU]CHAR simply as wchar_t and not as */
 168     /*     signed/unsigned version of it which (a) makes sense to me (unlike */
 169     /*     char wchar_t is always unsigned) and (b) was how the previous */
 170     /*     definitions worked so keep it like this */
 171
 172     /* GNU libc has __WCHAR_TYPE__ which requires special treatment, see */
 173     /* comment below */
 174     #if !defined(__WCHAR_TYPE__) || \
 175         (!defined(__GNUC__) || wxCHECK_GCC_VERSION(2, 96))
 176         /* standard case */
 177         typedef wchar_t wxChar;
 178         typedef wchar_t wxSChar;
 179         typedef wchar_t wxUChar;
 180     #else /* __WCHAR_TYPE__ and gcc < 2.96 */
 181         /* VS: wxWidgets used to define wxChar as __WCHAR_TYPE__ here. However, */
 182         /*     this doesn't work with new GCC 3.x compilers because wchar_t is */
 183         /*     C++'s builtin type in the new standard. OTOH, old compilers (GCC */
 184         /*     2.x) won't accept new definition of wx{S,U}Char, therefore we */
 185         /*     have to define wxChar conditionally depending on detected */
 186         /*     compiler & compiler version. */
 187         /*     with old definition of wxChar. */
 188         typedef __WCHAR_TYPE__ wxChar;
 189         typedef __WCHAR_TYPE__ wxSChar;
 190         typedef __WCHAR_TYPE__ wxUChar;
 191     #endif /* __WCHAR_TYPE__ */
 192 #endif /* ASCII/Unicode */
 193
 194 /* ---------------------------------------------------------------------------- */
 195 /* define _T() and related macros */
 196 /* ---------------------------------------------------------------------------- */
 197
 198 /* BSD systems define _T() to be something different in ctype.h, override it */
 199 #if defined(__FreeBSD__) || defined(__DARWIN__)
 200     #include <ctype.h>
 201     #undef _T
 202 #endif
 203
 204 /* could already be defined by tchar.h (it's quasi standard) */
 205 #ifndef _T
 206     #if !wxUSE_UNICODE
 207         #define _T(x) x
 208     #else /* Unicode */
 209         #define _T(x) L ## x
 210     #endif /* ASCII/Unicode */
 211 #endif /* !defined(_T) */
 212
 213 /* although global macros with such names are normally bad, we want to have */
 214 /* another name for _T() which should be used to avoid confusion between _T() */
 215 /* and _() in wxWidgets sources */
 216 #define wxT(x)       _T(x)
 217
 218 /* Unicode-friendly __FILE__, __DATE__ and __TIME__ analogs */
 219 #ifndef __TFILE__
 220     #define __XFILE__(x) wxT(x)
 221     #define __TFILE__ __XFILE__(__FILE__)
 222 #endif
 223
 224 #ifndef __TDATE__
 225     #define __XDATE__(x) wxT(x)
 226     #define __TDATE__ __XDATE__(__DATE__)
 227 #endif
 228
 229 #ifndef __TTIME__
 230     #define __XTIME__(x) wxT(x)
 231     #define __TTIME__ __XTIME__(__TIME__)
 232 #endif
 233
 234 /*
 235     define wxFoo() function for each standard foo() function whose signature
 236     (exceptionally including the return type) includes any mention of char:
 237     wxFoo() is going to be a Unicode-friendly version of foo(), i.e. will have
 238     the same signature but with char replaced by wxChar which allows us to use
 239     it in Unicode build as well
 240  */
 241
 242 #ifdef wxHAVE_TCHAR_SUPPORT
 243     #include <ctype.h>
 244
 245     #if defined(__WATCOMC__) && defined(UNICODE)
 246       #define WXWCHAR_T_CAST(c) (wint_t)(c)
 247     #else
 248       #define WXWCHAR_T_CAST(c) c
 249     #endif
 250
 251     /* ctype.h functions */
 252     #define  wxIsalnum(c)   _istalnum(WXWCHAR_T_CAST(c))
 253     #define  wxIsalpha(c)   _istalpha(WXWCHAR_T_CAST(c))
 254     #define  wxIscntrl(c)   _istcntrl(WXWCHAR_T_CAST(c))
 255     #define  wxIsdigit(c)   _istdigit(WXWCHAR_T_CAST(c))
 256     #define  wxIsgraph(c)   _istgraph(WXWCHAR_T_CAST(c))
 257     #define  wxIslower(c)   _istlower(WXWCHAR_T_CAST(c))
 258     #define  wxIsprint(c)   _istprint(WXWCHAR_T_CAST(c))
 259     #define  wxIspunct(c)   _istpunct(WXWCHAR_T_CAST(c))
 260     #define  wxIsspace(c)   _istspace(WXWCHAR_T_CAST(c))
 261     #define  wxIsupper(c)   _istupper(WXWCHAR_T_CAST(c))
 262     #define  wxIsxdigit(c)  _istxdigit(WXWCHAR_T_CAST(c))
 263
 264     /*
 265        There is a bug in VC6 C RTL: toxxx() functions dosn't do anything with
 266        signed chars < 0, so "fix" it here.
 267      */
 268     #define  wxTolower(c) _totlower((wxUChar)(c))
 269     #define  wxToupper(c) _totupper((wxUChar)(c))
 270
 271     /* locale.h functons */
 272     #define  wxSetlocale _tsetlocale
 273
 274     /* string.h functions */
 275     #define  wxStrcat    _tcscat
 276     #define  wxStrchr    _tcschr
 277     #define  wxStrcmp    _tcscmp
 278     #define  wxStrcoll   _tcscoll
 279     #define  wxStrcpy    _tcscpy
 280     #define  wxStrcspn   _tcscspn
 281     #define  wxStrdupW   _wcsdup        /* notice the 'W'! */
 282     #define  wxStrftime  _tcsftime
 283     #define  wxStricmp   _tcsicmp
 284     #define  wxStrnicmp  _tcsnicmp
 285     #define  wxStrlen_   _tcslen        /* used in wxStrlen inline function */
 286     #define  wxStrncat   _tcsncat
 287     #define  wxStrncmp   _tcsncmp
 288     #define  wxStrncpy   _tcsncpy
 289     #define  wxStrpbrk   _tcspbrk
 290     #define  wxStrrchr   _tcsrchr
 291     #define  wxStrspn    _tcsspn
 292     #define  wxStrstr    _tcsstr
 293     #define  wxStrtod    _tcstod
 294     #define  wxStrtol    _tcstol
 295     #define  wxStrtoul   _tcstoul
 296     #define  wxStrxfrm   _tcsxfrm
 297
 298     /* stdio.h functions */
 299     #define  wxFgetc     _fgettc
 300     #define  wxFgetchar  _fgettchar
 301     #define  wxFgets     _fgetts
 302     #define  wxFopen     _tfopen
 303     #define  wxFputc     _fputtc
 304     #define  wxFputchar  _fputtchar
 305     #define  wxFprintf   _ftprintf
 306     #define  wxFputs     _fputts
 307     #define  wxFreopen   _tfreopen
 308     #define  wxFscanf    _ftscanf
 309     #define  wxGetc      _gettc
 310     #define  wxGetchar   _gettchar
 311     #define  wxGets      _getts
 312     #define  wxPerror    _tperror
 313     #define  wxPrintf    _tprintf
 314     #define  wxPutc(c,f) _puttc(WXWCHAR_T_CAST(c),f)
 315     #define  wxPutchar   _puttchar
 316     #define  wxPuts      _putts
 317     #define  wxScanf     _tscanf
 318     #if defined(__DMC__)
 319         #if wxUSE_UNICODE
 320             /* Digital Mars adds count to _stprintf (C99) so prototype conversion see wxchar.cpp */
 321             int wxSprintf (wchar_t * __RESTRICT s, const wchar_t * __RESTRICT format, ... ) ;
 322         #else
 323             /* and there is a bug in D Mars tchar.h prior to 8.39.4n, so define as sprintf */
 324             #define wxSprintf sprintf
 325         #endif
 326     #else
 327         #define  wxSprintf   _stprintf
 328     #endif
 329
 330     #define  wxSscanf    _stscanf
 331     #define  wxTmpnam    _ttmpnam
 332     #define  wxUngetc    _tungetc
 333     #define  wxVfprintf  _vftprintf
 334     #define  wxVprintf   _vtprintf
 335     #define  wxVsscanf   _vstscanf
 336     #define  wxVsprintf  _vstprintf
 337
 338     /* special case: not all TCHAR-aware compilers have those */
 339     #if defined(__VISUALC__) || \
 340             (defined(__BORLANDC__) && __BORLANDC__ >= 0x540)
 341         #define wxVsnprintf_    _vsntprintf
 342         #define wxSnprintf_     _sntprintf
 343     #endif
 344
 345     /* special case: these functions are missing under Win9x with Unicows so we */
 346     /* have to implement them ourselves */
 347     #if wxUSE_UNICODE_MSLU
 348         #define  wxRemove    wxMSLU__tremove
 349         #define  wxRename    wxMSLU__trename
 350     #else
 351         #ifdef __WXWINCE__
 352             #define  wxRemove    DeleteFile
 353         #else
 354             #define  wxRemove    _tremove
 355             #define  wxRename    _trename
 356         #endif
 357     #endif
 358
 359     /* stdlib.h functions */
 360     #define  wxAtoi      _ttoi
 361     #define  wxAtol      _ttol
 362     /* #define  wxAtof   _tttof -- notice that there is no such thing (why?) */
 363     #define  wxGetenv    _tgetenv
 364     #define  wxSystem    _tsystem
 365
 366     /* time.h functions */
 367     #define  wxAsctime   _tasctime
 368     #define  wxCtime     _tctime
 369 #else /* !TCHAR-aware compilers */
 370
 371     #if !defined(__MWERKS__) && defined(__DARWIN__) && ( MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_2 )
 372         /* even though they are defined and "implemented", they are bad and just
 373            stubs so we need our own - we need these even in ANSI builds!! */
 374         #define mbstowcs wxInternalMbstowcs
 375         #define wcstombs wxInternalWcstombs
 376
 377         WXDLLIMPEXP_BASE size_t wxInternalMbstowcs (wchar_t *, const char *, size_t);
 378         WXDLLIMPEXP_BASE size_t wxInternalWcstombs (char *, const wchar_t *, size_t);
 379     #endif
 380
 381     /* No UNICODE in the c library except wchar_t typedef on mac OSX 10.2 and less - roll our own */
 382     #if !defined(__MWERKS__) && wxUSE_UNICODE && defined(__DARWIN__) && ( MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_2 )
 383
 384         /* we need everything! */
 385         #define wxNEED_WX_STRING_H
 386         #define wxNEED_WX_CTYPE_H
 387
 388         #define  wxFgetchar(c)  wxFgetc(c, stdin)
 389         #define  wxFputc     wxPutc
 390         #define  wxFputchar(c)  wxPutc(c, stdout)
 391         #define  wxGetc      wxFgetc
 392         #define  wxGetchar(c)   wxFgetc(c, stdin)
 393
 394         #include <stdio.h>
 395
 396         #define wxNEED_FGETC
 397         #define wxNEED_FGETS
 398         #define wxNEED_GETS
 399         #define wxNEED_UNGETC
 400
 401         #define wxNEED_FPUTS
 402         #define wxNEED_PUTS
 403         #define wxNEED_PUTC
 404
 405         int wxFputs(const wxChar *ch, FILE *stream);
 406         int wxPuts(const wxChar *ws);
 407         int wxPutc(wxChar ch, FILE *stream);
 408
 409         #ifdef __cplusplus
 410         extern "C" {
 411         #endif
 412             WXDLLIMPEXP_BASE size_t   wxStrlen_(const wxChar *s);
 413         #ifdef __cplusplus
 414         }
 415         #endif
 416
 417         #define wxPutchar(wch) wxPutc(wch, stdout)
 418
 419         #define wxNEED_PRINTF_CONVERSION
 420         #define wxNEED_WX_STDIO_H
 421         #define wxNEED_WX_STDLIB_H
 422         #define wxNEED_WX_TIME_H
 423
 424     #elif wxUSE_UNICODE
 425         #include <wctype.h>
 426
 427         /* this is probably glibc-specific */
 428         #if defined(__WCHAR_TYPE__) && !defined(__MWERKS__)
 429             /* ctype.h functions (wctype.h) */
 430             #define  wxIsalnum   iswalnum
 431             #define  wxIsalpha   iswalpha
 432             #define  wxIscntrl   iswcntrl
 433             #define  wxIsdigit   iswdigit
 434             #define  wxIsgraph   iswgraph
 435             #define  wxIslower   iswlower
 436             #define  wxIsprint   iswprint
 437             #define  wxIspunct   iswpunct
 438             #define  wxIsspace   iswspace
 439             #define  wxIsupper   iswupper
 440             #define  wxIsxdigit  iswxdigit
 441
 442             #if defined(__GLIBC__) && (__GLIBC__ == 2) && (__GLIBC_MINOR__ == 0)
 443                 /* /usr/include/wctype.h incorrectly declares translations */
 444                 /* tables which provokes tons of compile-time warnings -- try */
 445                 /* to correct this */
 446                 #define  wxTolower(wc)   towctrans((wc), (wctrans_t)__ctype_tolower)
 447                 #define  wxToupper(wc)   towctrans((wc), (wctrans_t)__ctype_toupper)
 448             #else /* !glibc 2.0 */
 449                 #define  wxTolower   towlower
 450                 #define  wxToupper   towupper
 451             #endif /* gcc/!gcc */
 452
 453             /* string.h functions (wchar.h) */
 454             #define  wxStrcat    wcscat
 455             #define  wxStrchr    wcschr
 456             #define  wxStrcmp    wcscmp
 457             #define  wxStrcoll   wcscoll
 458             #define  wxStrcpy    wcscpy
 459             #define  wxStrcspn   wcscspn
 460             #define  wxStrlen_   wxWcslen /* wxStrlen_() is used in wxStrlen() */
 461             #define  wxStrncat   wcsncat
 462             #define  wxStrncmp   wcsncmp
 463             #define  wxStrncpy   wcsncpy
 464             #define  wxStrpbrk   wcspbrk
 465             #define  wxStrrchr   wcsrchr
 466             #define  wxStrspn    wcsspn
 467             #define  wxStrstr    wcsstr
 468             #define  wxStrtod    wcstod
 469             #define  wxStrtol    wcstol
 470             #define  wxStrtoul   wcstoul
 471             #define  wxStrxfrm   wcsxfrm
 472
 473             #define  wxFgetc     fgetwc
 474             #define  wxFgetchar  fgetwchar
 475             #define  wxFgets     fgetws
 476             #define  wxFputc     fputwc
 477             #define  wxFputchar  fputwchar
 478             #define  wxGetc      getwc
 479             #define  wxGetchar   getwchar
 480             #define  wxGets      getws
 481             #define  wxUngetc    ungetwc
 482
 483             #ifdef HAVE_FPUTWS
 484                 #define wxFputs     fputws
 485             #else
 486                 #define wxNEED_FPUTS
 487                 #include <stdio.h>
 488                 int wxFputs(const wxChar *ch, FILE *stream);
 489             #endif
 490
 491             #ifdef HAVE_WPUTC
 492                 #define wxPutc      wputc
 493             #else
 494                 #define wxNEED_PUTC
 495                 #include <stdio.h>
 496                 int wxPutc(wxChar ch, FILE *stream);
 497             #endif
 498
 499             #ifdef HAVE_WPUTCHAR
 500                 #define wxPutchar   wputchar
 501             #else
 502                 #define wxPutchar(wch) wxPutc(wch, stdout)
 503             #endif
 504
 505             #ifdef HAVE_PUTWS
 506                 #define wxPuts      putws
 507             #else
 508                 #define wxNEED_PUTS
 509                 int wxPuts(const wxChar *ws);
 510             #endif
 511
 512             /* we need %s to %ls conversion for printf and scanf etc */
 513             #define wxNEED_PRINTF_CONVERSION
 514
 515             /* glibc doesn't have wide char equivalents of the other stuff so */
 516             /* use our own versions */
 517             #define wxNEED_WX_STDIO_H
 518             #define wxNEED_WX_STDLIB_H
 519             #define wxNEED_WX_TIME_H
 520         #elif defined(__MWERKS__) && ( defined(__MSL__) || defined(__MACH__) )
 521             /* ctype.h functions (wctype.h) */
 522             #define  wxIsalnum   iswalnum
 523             #define  wxIsalpha   iswalpha
 524             #define  wxIscntrl   iswcntrl
 525             #define  wxIsdigit   iswdigit
 526             #define  wxIsgraph   iswgraph
 527             #define  wxIslower   iswlower
 528             #define  wxIsprint   iswprint
 529             #define  wxIspunct   iswpunct
 530             #define  wxIsspace   iswspace
 531             #define  wxIsupper   iswupper
 532             #define  wxIsxdigit  iswxdigit
 533             #define  wxTolower   towlower
 534             #define  wxToupper   towupper
 535
 536             /* string.h functions (wchar.h) */
 537             #define  wxStrcat    wcscat
 538             #define  wxStrchr    wcschr
 539             #define  wxStrcmp    wcscmp
 540             #define  wxStrcoll   wcscoll
 541             #define  wxStrcpy    wcscpy
 542             #define  wxStrcspn   wcscspn
 543             #define  wxStrlen_   wxWcslen /* wxStrlen_() is used in wxStrlen() */
 544             #define  wxStrncat   wcsncat
 545             #define  wxStrncmp   wcsncmp
 546             #define  wxStrncpy   wcsncpy
 547             #define  wxStrpbrk   wcspbrk
 548             #define  wxStrrchr   wcsrchr
 549             #define  wxStrspn    wcsspn
 550             #define  wxStrstr    wcsstr
 551             #define  wxStrtod    wcstod
 552             #define  wxStrtol    wcstol
 553             #define  wxStrtoul   wcstoul
 554             #define  wxStrxfrm   wcsxfrm
 555
 556             #define  wxFgetc     fgetwc
 557             #define  wxFgetchar  fgetwchar
 558             #define  wxFgets     fgetws
 559             #define  wxFputc     fputwc
 560             #define  wxFputchar  fputwchar
 561             #define  wxGetc      getwc
 562             #define  wxGetchar   getwchar
 563             #define  wxGets      getws
 564             #define  wxUngetc    ungetwc
 565
 566             #define wxNEED_PRINTF_CONVERSION
 567
 568             #define  wxPutc      putwc
 569             #define  wxPutchar   putwchar
 570             #define  wxFputs     fputws
 571
 572             /* stdio.h functions */
 573
 574             #define wxNEED_WX_STDIO_H
 575
 576             /* stdlib.h functions */
 577             #ifdef __MACH__
 578             #define wxNEED_WX_STDLIB_H
 579             #else
 580             #define  wxAtof      watof
 581             #define  wxAtoi      watoi
 582             #define  wxAtol      watol
 583             #define  wxGetenv(a)    ((wxChar*)NULL)
 584             #define  wxSystem(a)    ((int)NULL)
 585             #endif
 586             /* time.h functions */
 587             #define  wxAsctime   wasciitime
 588             #define  wxCtime     wctime
 589             /* #define  wxStrftime  wcsftime */
 590
 591             #define wxNEED_WX_TIME_H
 592         #else /* !metrowerks for apple */
 593             #error  "Please define wide character functions for your environment"
 594         #endif
 595     #else /* ASCII */
 596         #include <ctype.h>
 597         #include <string.h>
 598
 599         /* ctype.h functions */
 600         #define  wxIsalnum   isalnum
 601         #define  wxIsalpha   isalpha
 602         #define  wxIscntrl   iscntrl
 603         #define  wxIsdigit   isdigit
 604         #define  wxIsgraph   isgraph
 605         #define  wxIslower   islower
 606         #define  wxIsprint   isprint
 607         #define  wxIspunct   ispunct
 608         #define  wxIsspace   isspace
 609         #define  wxIsupper   isupper
 610         #define  wxIsxdigit  isxdigit
 611         #define  wxTolower   tolower
 612         #define  wxToupper   toupper
 613
 614          /* locale.h functons */
 615         #define  wxSetlocale setlocale
 616
 617          /* string.h functions */
 618         #define  wxStrcat    strcat
 619         #define  wxStrchr    strchr
 620         #define  wxStrcmp    strcmp
 621         #define  wxStrcoll   strcoll
 622         #define  wxStrcpy    strcpy
 623         #define  wxStrcspn   strcspn
 624
 625         /* wxStricmp and wxStrnicmp are defined below */
 626         #define  wxStrlen_   strlen /* used in wxStrlen inline function */
 627         #define  wxStrncat   strncat
 628         #define  wxStrncmp   strncmp
 629         #define  wxStrncpy   strncpy
 630         #define  wxStrpbrk   strpbrk
 631         #define  wxStrrchr   strrchr
 632         #define  wxStrspn    strspn
 633         #define  wxStrstr    strstr
 634         #define  wxStrtod    strtod
 635         #ifdef HAVE_STRTOK_R
 636             #define  wxStrtok(str, sep, last)    strtok_r(str, sep, last)
 637         #endif
 638         #define  wxStrtol    strtol
 639         #define  wxStrtoul   strtoul
 640         #define  wxStrxfrm   strxfrm
 641
 642         /* stdio.h functions */
 643         #define  wxFopen     fopen
 644         #define  wxFreopen   freopen
 645         #define  wxRemove    remove
 646         #define  wxRename    rename
 647
 648         #define  wxPerror    perror
 649         #define  wxTmpnam    tmpnam
 650
 651         #define  wxFgetc     fgetc
 652         #define  wxFgetchar  fgetchar
 653         #define  wxFgets     fgets
 654         #define  wxFputc     fputc
 655         #define  wxFputs     fputs
 656         #define  wxFputchar  fputchar
 657         #define  wxFprintf   fprintf
 658         #define  wxFscanf    fscanf
 659         #define  wxGetc      getc
 660         #define  wxGetchar   getchar
 661         #define  wxGets      gets
 662         #define  wxPrintf    printf
 663         #define  wxPutc      putc
 664         #define  wxPutchar   putchar
 665         #define  wxPuts      puts
 666         #define  wxScanf     scanf
 667         #define  wxSprintf   sprintf
 668         #define  wxSscanf    sscanf
 669         #define  wxUngetc    ungetc
 670         #define  wxVfprintf  vfprintf
 671         #define  wxVprintf   vprintf
 672         #define  wxVsscanf   vsscanf
 673         #define  wxVsprintf  vsprintf
 674
 675         /* stdlib.h functions */
 676         #define  wxAtof      atof
 677         #define  wxAtoi      atoi
 678         #define  wxAtol      atol
 679         #define  wxGetenv    getenv
 680         #define  wxSystem    system
 681
 682         /* time.h functions */
 683         #define  wxAsctime   asctime
 684         #define  wxCtime     ctime
 685         #define  wxStrftime  strftime
 686     #endif /* Unicode/ASCII */
 687 #endif /* TCHAR-aware compilers/the others */
 688
 689 /*
 690     various special cases
 691  */
 692
 693 /* define wxStricmp and wxStrnicmp for various compilers */
 694
 695 /* note that in Unicode mode we definitely are going to need our own version */
 696 #if !defined(wxStricmp) && !wxUSE_UNICODE
 697     #if defined(__BORLANDC__) || defined(__WATCOMC__) || \
 698             defined(__SALFORDC__) || defined(__VISAGECPP__) || \
 699             defined(__EMX__) || defined(__DJGPP__)
 700         #define wxStricmp stricmp
 701         #define wxStrnicmp strnicmp
 702     #elif defined(__PALMOS__)
 703         /* FIXME: There is no equivalent to strnicmp in the Palm OS API.  This
 704          * quick hack should do until one can be written.
 705          */
 706         #define wxStricmp StrCaselessCompare
 707         #define wxStrnicmp strnicmp
 708     #elif defined(__SYMANTEC__) || defined(__VISUALC__) || \
 709             (defined(__MWERKS__) && defined(__INTEL__))
 710         #define wxStricmp _stricmp
 711         #define wxStrnicmp _strnicmp
 712     #elif defined(__UNIX__) || defined(__GNUWIN32__)
 713         #define wxStricmp strcasecmp
 714         #define wxStrnicmp strncasecmp
 715     /* #else -- use wxWidgets implementation */
 716     #endif
 717 #endif /* !defined(wxStricmp) */
 718
 719 /* define wxWcslen() which should be always available if wxUSE_WCHAR_T == 1 (as */
 720 /* it's used in wx/buffer.h -- and also might be used just below by wxStrlen() */
 721 /* when wxStrlen_() is #define'd as wxWcslen so do it before defining wxStrlen) */
 722 #if wxUSE_WCHAR_T
 723     #ifdef HAVE_WCSLEN
 724         #define wxWcslen wcslen
 725     #else
 726         WXDLLIMPEXP_BASE size_t wxWcslen(const wchar_t *s);
 727     #endif
 728 #endif /* wxUSE_WCHAR_T */
 729
 730 #ifdef __cplusplus
 731 /* checks whether the passed in pointer is NULL and if the string is empty */
 732 inline bool wxIsEmpty(const wxChar *p) { return !p || !*p; }
 733
 734 /* safe version of strlen() (returns 0 if passed NULL pointer) */
 735 inline size_t wxStrlen(const wxChar *psz) { return psz ? wxStrlen_(psz) : 0; }
 736 #endif
 737
 738 /*
 739     each of strdup() and wcsdup() may or may not be available but we need both
 740     of them anyhow for wx/buffer.h so we define the missing one(s) in
 741     wxchar.cpp and so we should always have both wxStrdupA and wxStrdupW
 742     defined -- if this is somehow not the case in some situations, please
 743     correct that and not the lines here
 744  */
 745 #if wxUSE_UNICODE
 746     #define wxStrdup wxStrdupW
 747 #else
 748     #define wxStrdup wxStrdupA
 749 #endif
 750
 751 #ifdef __cplusplus
 752 WXDLLIMPEXP_BASE bool wxOKlibc(); /* for internal use */
 753 #endif
 754
 755 /* printf() family saga */
 756
 757 /*
 758    For some systems vsnprintf() exists in the system libraries but not in the
 759    headers, so we need to declare it ourselves to be able to use it.
 760  */
 761 #if defined(HAVE_VSNPRINTF) && !defined(HAVE_VSNPRINTF_DECL)
 762     extern "C"
 763     int vsnprintf(char *str, size_t size, const char *format, va_list ap);
 764 #endif /* !HAVE_VSNPRINTF_DECL */
 765
 766 /*
 767    First of all, we always want to define safe snprintf() function to be used
 768    instead of sprintf(). Some compilers already have it (or rather vsnprintf()
 769    which we really need...), otherwise we implement it using our own printf()
 770    code.
 771
 772    We define function with a trailing underscore here because the real one is a
 773    wrapper around it as explained below
 774  */
 775 #ifndef wxVsnprintf_
 776     #if wxUSE_UNICODE
 777         #if defined(__MWERKS__)
 778             #define HAVE_WCSRTOMBS 1
 779             #define HAVE_VSWPRINTF 1
 780         #endif
 781         #if defined(__WATCOMC__)
 782             #define wxVsnprintf_    _vsnwprintf
 783             #define wxSnprintf_     _snwprintf
 784         #endif
 785         #if defined(HAVE__VSNWPRINTF)
 786             #define wxVsnprintf_    _vsnwprintf
 787         /* MinGW?MSVCRT has the wrong vswprintf */
 788         #elif defined(HAVE_VSWPRINTF) && !defined(__MINGW32__)
 789             #define wxVsnprintf_    vswprintf
 790         #endif
 791     #else /* ASCII */
 792         /* all versions of CodeWarrior supported by wxWidgets apparently have */
 793         /* vsnprintf() */
 794         #if defined(HAVE_VSNPRINTF) || defined(__MWERKS__) || defined(__WATCOMC__)
 795             /* assume we have snprintf() too if we have vsnprintf() */
 796             #define wxVsnprintf_    vsnprintf
 797             #define wxSnprintf_     snprintf
 798         #endif
 799     #endif
 800 #endif /* wxVsnprintf_ not defined yet */
 801
 802 #ifndef wxSnprintf_
 803     /* no [v]snprintf(), cook our own */
 804     WXDLLIMPEXP_BASE int wxSnprintf_(wxChar *buf, size_t len, const wxChar *format,
 805                                 ...) ATTRIBUTE_PRINTF_3;
 806 #endif
 807 #ifndef wxVsnprintf_
 808     WXDLLIMPEXP_BASE int wxVsnprintf_(wxChar *buf, size_t len, const wxChar *format,
 809                                  va_list argptr);
 810 #endif
 811
 812 /*
 813    In Unicode mode we need to have all standard functions such as wprintf() and
 814    so on but not all systems have them so use our own implementations in this
 815    case.
 816  */
 817 #if wxUSE_UNICODE && !defined(wxHAVE_TCHAR_SUPPORT) && !defined(HAVE_WPRINTF)
 818     #define wxNEED_WPRINTF
 819 #endif
 820
 821 /*
 822    More Unicode complications: although both ANSI C and C++ define a number of
 823    wide character functions such as wprintf(), not all environments have them.
 824    Worse, those which do have different behaviours: under Windows, %s format
 825    specifier changes its meaning in Unicode build and expects a Unicode string
 826    while under Unix/POSIX it still means an ASCII string even for wprintf() and
 827    %ls has to be used for wide strings.
 828
 829    We choose to always emulate Windows behaviour as more useful for us so even
 830    if we have wprintf() we still must wrap it in a non trivial wxPrintf().
 831
 832 */
 833
 834 #if defined(wxNEED_PRINTF_CONVERSION) || defined(wxNEED_WPRINTF)
 835     /*
 836         we need to implement all wide character printf and scanf functions
 837         either because we don't have them at all or because they don't have the
 838         semantics we need
 839      */
 840
 841     #include <stdio.h>  /* for FILE */
 842
 843     int wxScanf( const wxChar *format, ... ) ATTRIBUTE_PRINTF_1;
 844     int wxSscanf( const wxChar *str, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 845     int wxFscanf( FILE *stream, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 846     int wxVsscanf( const wxChar *str, const wxChar *format, va_list ap );
 847     int wxPrintf( const wxChar *format, ... ) ATTRIBUTE_PRINTF_1;
 848     int wxSprintf( wxChar *str, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 849     int wxFprintf( FILE *stream, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 850     int wxVfprintf( FILE *stream, const wxChar *format, va_list ap );
 851     int wxVprintf( const wxChar *format, va_list ap );
 852     int wxVsprintf( wxChar *str, const wxChar *format, va_list ap );
 853 #endif /* wxNEED_PRINTF_CONVERSION */
 854
 855 /* these 2 can be simply mapped to the versions with underscore at the end */
 856 /* if we don't have to do the conversion */
 857 /*
 858    However, if we don't have any vswprintf() at all we don't need to redefine
 859    anything as our own wxVsnprintf_() already behaves as needed.
 860 */
 861 #if defined(wxNEED_PRINTF_CONVERSION) && defined(wxVsnprintf_)
 862     int wxSnprintf( wxChar *str, size_t size, const wxChar *format, ... ) ATTRIBUTE_PRINTF_3;
 863     int wxVsnprintf( wxChar *str, size_t size, const wxChar *format, va_list ap );
 864 #else
 865     #define wxSnprintf wxSnprintf_
 866     #define wxVsnprintf wxVsnprintf_
 867 #endif
 868
 869 /*
 870     various functions which might not be available in libc and for which we
 871     provide our own replacements in wxchar.cpp
 872  */
 873
 874 /* ctype.h functions */
 875
 876 /* RN: Used only under OSX <= 10.2 currently */
 877 #ifdef wxNEED_WX_CTYPE_H
 878     WXDLLIMPEXP_BASE int wxIsalnum(wxChar ch);
 879     WXDLLIMPEXP_BASE int wxIsalpha(wxChar ch);
 880     WXDLLIMPEXP_BASE int wxIscntrl(wxChar ch);
 881     WXDLLIMPEXP_BASE int wxIsdigit(wxChar ch);
 882     WXDLLIMPEXP_BASE int wxIsgraph(wxChar ch);
 883     WXDLLIMPEXP_BASE int wxIslower(wxChar ch);
 884     WXDLLIMPEXP_BASE int wxIsprint(wxChar ch);
 885     WXDLLIMPEXP_BASE int wxIspunct(wxChar ch);
 886     WXDLLIMPEXP_BASE int wxIsspace(wxChar ch);
 887     WXDLLIMPEXP_BASE int wxIsupper(wxChar ch);
 888     WXDLLIMPEXP_BASE int wxIsxdigit(wxChar ch);
 889     WXDLLIMPEXP_BASE int wxTolower(wxChar ch);
 890     WXDLLIMPEXP_BASE int wxToupper(wxChar ch);
 891 #endif /* wxNEED_WX_CTYPE_H */
 892
 893 /* under VC++ 6.0 isspace() returns 1 for 8 bit chars which completely breaks */
 894 /* the file parsing -- this may be true for 5.0 as well, update #ifdef then */
 895 #if defined(__VISUALC__) && (__VISUALC__ >= 1200) && !wxUSE_UNICODE
 896     #undef wxIsspace
 897     #define wxIsspace(c) ((((unsigned)c) < 128) && isspace(c))
 898 #endif /* VC++ */
 899
 900 /*
 901    a few compilers don't have the (non standard but common) isascii function,
 902    define it ourselves for them
 903  */
 904 #ifndef isascii
 905     #if defined(__MWERKS__)
 906         #define wxNEED_ISASCII
 907     #elif defined(_WIN32_WCE)
 908         #if _WIN32_WCE <= 211
 909             #define wxNEED_ISASCII
 910         #endif
 911     #endif
 912 #endif /* isascii */
 913
 914 #ifdef wxNEED_ISASCII
 915     inline int isascii(int c) { return (unsigned)c < 0x80; }
 916 #endif
 917
 918 #ifdef _WIN32_WCE
 919     #if _WIN32_WCE <= 211
 920         #define isspace(c) ((c) == _T(' ') || (c) == _T('\t'))
 921     #endif
 922 #endif /* _WIN32_WCE */
 923
 924 /*
 925    we had goofed and defined wxIsctrl() instead of (correct) wxIscntrl() in the
 926    initial versions of this header -- now it is too late to remove it so
 927    although we fixed the function/macro name above, still provide the
 928    backwards-compatible synonym.
 929  */
 930 #define wxIsctrl wxIscntrl
 931
 932 /* string.h functions */
 933 #ifndef strdup
 934     #if defined(__MWERKS__) && !defined(__MACH__) && (__MSL__ < 0x00008000)
 935         #define wxNEED_STRDUP
 936     #elif defined(__WXWINCE__)
 937         #if _WIN32_WCE <= 211
 938             #define wxNEED_STRDUP
 939         #endif
 940     #endif
 941 #endif /* strdup */
 942
 943 #ifdef wxNEED_STRDUP
 944     WXDLLIMPEXP_BASE char *strdup(const char* s);
 945 #endif
 946
 947 /* RN: Used only under OSX <= 10.2 currently
 948    The __cplusplus ifdefs are messy, but they are required to build
 949    the regex library, since c does not support function overloading
 950 */
 951 #ifdef wxNEED_WX_STRING_H
 952 #       ifdef __cplusplus
 953     extern "C" {
 954 #       endif
 955         WXDLLIMPEXP_BASE wxChar * wxStrcat(wxChar *dest, const wxChar *src);
 956         WXDLLIMPEXP_BASE const wxChar * wxStrchr(const wxChar *s, wxChar c);
 957         WXDLLIMPEXP_BASE int      wxStrcmp(const wxChar *s1, const wxChar *s2);
 958         WXDLLIMPEXP_BASE int      wxStrcoll(const wxChar *s1, const wxChar *s2);
 959         WXDLLIMPEXP_BASE wxChar * wxStrcpy(wxChar *dest, const wxChar *src);
 960         WXDLLIMPEXP_BASE size_t   wxStrcspn(const wxChar *s, const wxChar *reject);
 961         WXDLLIMPEXP_BASE wxChar * wxStrncat(wxChar *dest, const wxChar *src, size_t n);
 962         WXDLLIMPEXP_BASE int      wxStrncmp(const wxChar *s1, const wxChar *s2, size_t n);
 963         WXDLLIMPEXP_BASE wxChar * wxStrncpy(wxChar *dest, const wxChar *src, size_t n);
 964         WXDLLIMPEXP_BASE const wxChar * wxStrpbrk(const wxChar *s, const wxChar *accept);
 965         WXDLLIMPEXP_BASE const wxChar * wxStrrchr(const wxChar *s, wxChar c);
 966         WXDLLIMPEXP_BASE size_t   wxStrspn(const wxChar *s, const wxChar *accept);
 967         WXDLLIMPEXP_BASE const wxChar * wxStrstr(const wxChar *haystack, const wxChar *needle);
 968 #       ifdef __cplusplus
 969     }
 970 #       endif
 971
 972     /* These functions use C++, so we can't c extern them */
 973     WXDLLIMPEXP_BASE double   wxStrtod(const wxChar *nptr, wxChar **endptr);
 974     WXDLLIMPEXP_BASE long int wxStrtol(const wxChar *nptr, wxChar **endptr, int base);
 975     WXDLLIMPEXP_BASE unsigned long int wxStrtoul(const wxChar *nptr, wxChar **endptr, int base);
 976     WXDLLIMPEXP_BASE size_t   wxStrxfrm(wxChar *dest, const wxChar *src, size_t n);
 977
 978     /* inlined versions */
 979     #ifdef __cplusplus
 980         inline wxChar * wxStrchr(wxChar *s, wxChar c)
 981             { return (wxChar *)wxStrchr((const wxChar *)s, c); }
 982         inline wxChar * wxStrpbrk(wxChar *s, const wxChar *accept)
 983             { return (wxChar *)wxStrpbrk((const wxChar *)s, accept); }
 984         inline wxChar * wxStrrchr(wxChar *s, wxChar c)
 985             { return (wxChar *)wxStrrchr((const wxChar *)s, c); }
 986         inline wxChar *wxStrstr(wxChar *haystack, const wxChar *needle)
 987             { return (wxChar *)wxStrstr((const wxChar *)haystack, needle); }
 988     #endif
 989
 990 #endif /* wxNEED_WX_STRING_H */
 991
 992 #ifndef wxStrdupA
 993 WXDLLIMPEXP_BASE char *wxStrdupA(const char *psz);
 994 #endif
 995
 996 #ifndef wxStrdupW
 997 WXDLLIMPEXP_BASE wchar_t *wxStrdupW(const wchar_t *pwz);
 998 #endif
 999
1000 #ifndef wxStricmp
1001 WXDLLIMPEXP_BASE int wxStricmp(const wxChar *psz1, const wxChar *psz2);
1002 #endif
1003
1004 #ifndef wxStrnicmp
1005 WXDLLIMPEXP_BASE int wxStrnicmp(const wxChar *psz1, const wxChar *psz2, size_t len);
1006 #endif
1007
1008 #ifndef wxStrtok
1009 WXDLLIMPEXP_BASE wxChar * wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_ptr);
1010 #endif
1011
1012 #ifdef __cplusplus
1013 #ifndef wxSetlocale
1014 class WXDLLIMPEXP_BASE wxWCharBuffer;
1015 WXDLLIMPEXP_BASE wxWCharBuffer wxSetlocale(int category, const wxChar *locale);
1016 #endif
1017 #endif
1018
1019 /* stdio.h functions */
1020 #ifdef wxNEED_WX_STDIO_H
1021     #include <stdio.h>
1022     WXDLLIMPEXP_BASE FILE *   wxFopen(const wxChar *path, const wxChar *mode);
1023     WXDLLIMPEXP_BASE FILE *   wxFreopen(const wxChar *path, const wxChar *mode, FILE *stream);
1024     WXDLLIMPEXP_BASE int      wxRemove(const wxChar *path);
1025     WXDLLIMPEXP_BASE int      wxRename(const wxChar *oldpath, const wxChar *newpath);
1026
1027     /* *printf() family is handled separately */
1028 #endif /* wxNEED_WX_STDIO_H */
1029
1030
1031 /* stdlib.h functions */
1032 #ifndef wxAtof
1033 WXDLLIMPEXP_BASE double   wxAtof(const wxChar *psz);
1034 #endif
1035
1036 #ifdef wxNEED_WX_STDLIB_H
1037 WXDLLIMPEXP_BASE int      wxAtoi(const wxChar *psz);
1038 WXDLLIMPEXP_BASE long     wxAtol(const wxChar *psz);
1039 WXDLLIMPEXP_BASE wxChar * wxGetenv(const wxChar *name);
1040 WXDLLIMPEXP_BASE int      wxSystem(const wxChar *psz);
1041 #endif
1042
1043
1044 /* time.h functions */
1045 #ifdef wxNEED_WX_TIME_H
1046 #if defined(__MWERKS__) && defined(macintosh)
1047     #include <time.h>
1048 #endif
1049     /*silent gabby compilers*/
1050     struct tm;
1051     WXDLLIMPEXP_BASE size_t wxStrftime(wxChar *s, size_t max,
1052                                   const wxChar *fmt, const struct tm *tm);
1053 #endif /* wxNEED_WX_TIME_H */
1054
1055 #ifndef wxCtime
1056 #include <time.h>
1057 WXDLLIMPEXP_BASE wxChar *wxCtime(const time_t *timep);
1058 #endif
1059
1060
1061 /* missing functions in some WinCE versions */
1062 #ifdef _WIN32_WCE
1063 #if (_WIN32_WCE < 300)
1064 WXDLLIMPEXP_BASE void *calloc( size_t num, size_t size );
1065 #endif
1066 #endif /* _WIN32_WCE */
1067
1068 /* multibyte to wide char conversion functions and macros */
1069
1070 #if wxUSE_WCHAR_T
1071     /* multibyte<->widechar conversion */
1072     WXDLLIMPEXP_BASE size_t wxMB2WC(wchar_t *buf, const char *psz, size_t n);
1073     WXDLLIMPEXP_BASE size_t wxWC2MB(char *buf, const wchar_t *psz, size_t n);
1074
1075     #if wxUSE_UNICODE
1076         #define wxMB2WX wxMB2WC
1077         #define wxWX2MB wxWC2MB
1078         #define wxWC2WX wxStrncpy
1079         #define wxWX2WC wxStrncpy
1080     #else
1081         #define wxMB2WX wxStrncpy
1082         #define wxWX2MB wxStrncpy
1083         #define wxWC2WX wxWC2MB
1084         #define wxWX2WC wxMB2WC
1085     #endif
1086 #else /* !wxUSE_UNICODE */
1087 /* Why is this here?
1088 #error ha */
1089     /* No wxUSE_WCHAR_T: we have to do something (JACS) */
1090     #define wxMB2WC wxStrncpy
1091     #define wxWC2MB wxStrncpy
1092     #define wxMB2WX wxStrncpy
1093     #define wxWX2MB wxStrncpy
1094     #define wxWC2WX wxWC2MB
1095     #define wxWX2WC wxMB2WC
1096 #endif
1097
1098 //
1099 // RN:  The following are not normal versions of memcpy et al., rather
1100 // these are either char or widechar versions depending on
1101 // if unicode is used or not.
1102 //
1103
1104 #ifdef __cplusplus
1105
1106     //
1107     //  RN: We could do the usual tricky compiler detection here,
1108     //  and use their variant (such as wmemchr, etc.).  The problem
1109     //  is that these functions are quite rare, even though they are
1110     //  part of the current POSIX standard.  In addition, most compilers
1111     //  (including even MSC) inline them just like we do right in their
1112     //  headers.
1113     //
1114     #if wxUSE_UNICODE
1115         #include <string.h> //for mem funcs
1116
1117         //implement our own wmem variants
1118         inline wxChar* wxMemchr(const wxChar* s, wxChar c, size_t l)
1119         {
1120             for(;l && *s != c;--l, ++s) {}
1121
1122             if(l)
1123                 return (wxChar*)s;
1124             return NULL;
1125         }
1126
1127         inline int wxMemcmp(const wxChar* sz1, const wxChar* sz2, size_t len)
1128         {
1129             for(; *sz1 == *sz2 && len; --len, ++sz1, ++sz2) {}
1130
1131             if(len)
1132                 return *sz1 < *sz2 ? -1 : *sz1 > *sz2;
1133             else
1134                 return 0;
1135         }
1136
1137         inline wxChar* wxMemcpy(wxChar* szOut, const wxChar* szIn, size_t len)
1138         {
1139             return (wxChar*) memcpy(szOut, szIn, len * sizeof(wxChar));
1140         }
1141
1142         inline wxChar* wxMemmove(wxChar* szOut, const wxChar* szIn, size_t len)
1143         {
1144             return (wxChar*) memmove(szOut, szIn, len * sizeof(wxChar));
1145         }
1146
1147         inline wxChar* wxMemset(wxChar* szOut, const wxChar cIn, size_t len)
1148         {
1149             wxChar* szRet = szOut;
1150
1151             while (len--)
1152                 *szOut++ = cIn;
1153
1154             return szRet;
1155         }
1156
1157     #else //!wxUSE_UNICODE
1158     #   define wxMemchr memchr
1159     #   define wxMemcmp memcmp
1160     #   define wxMemcpy memcpy
1161     #   define wxMemmove memmove
1162     #   define wxMemset memset
1163     #endif
1164
1165 #endif /*__cplusplus*/
1166
1167
1168 #endif /* _WX_WXCHAR_H_ */
1169