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 )
 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     /* ctype.h functions */
 246     #define  wxIsalnum   _istalnum
 247     #define  wxIsalpha   _istalpha
 248     #define  wxIscntrl   _istcntrl
 249     #define  wxIsdigit   _istdigit
 250     #define  wxIsgraph   _istgraph
 251     #define  wxIslower   _istlower
 252     #define  wxIsprint   _istprint
 253     #define  wxIspunct   _istpunct
 254     #define  wxIsspace   _istspace
 255     #define  wxIsupper   _istupper
 256     #define  wxIsxdigit  _istxdigit
 257
 258     /*
 259        There is a bug in VC6 C RTL: toxxx() functions dosn't do anything with
 260        signed chars < 0, so "fix" it here.
 261      */
 262     #define  wxTolower(c) _totlower((wxUChar)(c))
 263     #define  wxToupper(c) _totupper((wxUChar)(c))
 264
 265     /* locale.h functons */
 266     #define  wxSetlocale _tsetlocale
 267
 268     /* string.h functions */
 269     #define  wxStrcat    _tcscat
 270     #define  wxStrchr    _tcschr
 271     #define  wxStrcmp    _tcscmp
 272     #define  wxStrcoll   _tcscoll
 273     #define  wxStrcpy    _tcscpy
 274     #define  wxStrcspn   _tcscspn
 275     #define  wxStrdupW   _wcsdup        /* notice the 'W'! */
 276     #define  wxStrftime  _tcsftime
 277     #define  wxStricmp   _tcsicmp
 278     #define  wxStrnicmp  _tcsnicmp
 279     #define  wxStrlen_   _tcslen        /* used in wxStrlen inline function */
 280     #define  wxStrncat   _tcsncat
 281     #define  wxStrncmp   _tcsncmp
 282     #define  wxStrncpy   _tcsncpy
 283     #define  wxStrpbrk   _tcspbrk
 284     #define  wxStrrchr   _tcsrchr
 285     #define  wxStrspn    _tcsspn
 286     #define  wxStrstr    _tcsstr
 287     #define  wxStrtod    _tcstod
 288     #define  wxStrtol    _tcstol
 289     #define  wxStrtoul   _tcstoul
 290     #define  wxStrxfrm   _tcsxfrm
 291
 292     /* stdio.h functions */
 293     #define  wxFgetc     _fgettc
 294     #define  wxFgetchar  _fgettchar
 295     #define  wxFgets     _fgetts
 296     #define  wxFopen     _tfopen
 297     #define  wxFputc     _fputtc
 298     #define  wxFputchar  _fputtchar
 299     #define  wxFprintf   _ftprintf
 300     #define  wxFputs     _fputts
 301     #define  wxFreopen   _tfreopen
 302     #define  wxFscanf    _ftscanf
 303     #define  wxGetc      _gettc
 304     #define  wxGetchar   _gettchar
 305     #define  wxGets      _getts
 306     #define  wxPerror    _tperror
 307     #define  wxPrintf    _tprintf
 308     #define  wxPutc      _puttc
 309     #define  wxPutchar   _puttchar
 310     #define  wxPuts      _putts
 311     #define  wxScanf     _tscanf
 312     #if defined(__DMC__)
 313         #if wxUSE_UNICODE
 314             /* Digital Mars adds count to _stprintf (C99) so prototype conversion see wxchar.cpp */
 315             int wxSprintf (wchar_t * __RESTRICT s, const wchar_t * __RESTRICT format, ... ) ;
 316         #else
 317             /* and there is a bug in D Mars tchar.h prior to 8.39.4n, so define as sprintf */
 318             #define wxSprintf sprintf
 319         #endif
 320     #else
 321         #define  wxSprintf   _stprintf
 322     #endif
 323
 324     #define  wxSscanf    _stscanf
 325     #define  wxTmpnam    _ttmpnam
 326     #define  wxUngetc    _tungetc
 327     #define  wxVfprintf  _vftprintf
 328     #define  wxVprintf   _vtprintf
 329     #define  wxVsscanf   _vstscanf
 330     #define  wxVsprintf  _vstprintf
 331
 332     /* special case: not all TCHAR-aware compilers have those */
 333     #if defined(__VISUALC__) || \
 334             (defined(__BORLANDC__) && __BORLANDC__ >= 0x540)
 335         #define wxVsnprintf_    _vsntprintf
 336         #define wxSnprintf_     _sntprintf
 337     #endif
 338
 339     /* special case: these functions are missing under Win9x with Unicows so we */
 340     /* have to implement them ourselves */
 341     #if wxUSE_UNICODE_MSLU
 342         #define  wxRemove    wxMSLU__tremove
 343         #define  wxRename    wxMSLU__trename
 344     #else
 345         #ifdef __WXWINCE__
 346             #define  wxRemove    DeleteFile
 347         #else
 348             #define  wxRemove    _tremove
 349             #define  wxRename    _trename
 350         #endif
 351     #endif
 352
 353     /* stdlib.h functions */
 354     #define  wxAtoi      _ttoi
 355     #define  wxAtol      _ttol
 356     /* #define  wxAtof   _tttof -- notice that there is no such thing (why?) */
 357     #define  wxGetenv    _tgetenv
 358     #define  wxSystem    _tsystem
 359
 360     /* time.h functions */
 361     #define  wxAsctime   _tasctime
 362     #define  wxCtime     _tctime
 363 #else /* !TCHAR-aware compilers */
 364
 365     #if !defined(__MWERKS__) && defined(__DARWIN__) && ( MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_2 )
 366         /* even though they are defined and "implemented", they are bad and just
 367            stubs so we need our own - we need these even in ANSI builds!! */
 368         #define mbstowcs wxInternalMbstowcs
 369         #define wcstombs wxInternalWcstombs
 370
 371         WXDLLIMPEXP_BASE size_t wxInternalMbstowcs (wchar_t *, const char *, size_t);
 372         WXDLLIMPEXP_BASE size_t wxInternalWcstombs (char *, const wchar_t *, size_t);
 373     #endif
 374
 375     /* No UNICODE in the c library except wchar_t typedef on mac OSX 10.2 and less - roll our own */
 376     #if !defined(__MWERKS__) && wxUSE_UNICODE && defined(__DARWIN__) && ( MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_2 )
 377
 378         /* we need everything! */
 379         #define wxNEED_WX_STRING_H
 380         #define wxNEED_WX_CTYPE_H
 381
 382         #define  wxFgetchar(c)  wxFgetc(c, stdin)
 383         #define  wxFputc     wxPutc
 384         #define  wxFputchar(c)  wxPutc(c, stdout)
 385         #define  wxGetc      wxFgetc
 386         #define  wxGetchar(c)   wxFgetc(c, stdin)
 387
 388         #include <stdio.h>
 389
 390         #define wxNEED_FGETC
 391         #define wxNEED_FGETS
 392         #define wxNEED_GETS
 393         #define wxNEED_UNGETC
 394
 395         #define wxNEED_FPUTS
 396         #define wxNEED_PUTS
 397         #define wxNEED_PUTC
 398
 399         int wxFputs(const wxChar *ch, FILE *stream);
 400         int wxPuts(const wxChar *ws);
 401         int wxPutc(wxChar ch, FILE *stream);
 402
 403         #ifdef __cplusplus
 404         extern "C" {
 405         #endif
 406             WXDLLIMPEXP_BASE size_t   wxStrlen_(const wxChar *s);
 407         #ifdef __cplusplus
 408         }
 409         #endif
 410
 411         #define wxPutchar(wch) wxPutc(wch, stdout)
 412
 413         #define wxNEED_PRINTF_CONVERSION
 414         #define wxNEED_WX_STDIO_H
 415         #define wxNEED_WX_STDLIB_H
 416         #define wxNEED_WX_TIME_H
 417
 418     #elif wxUSE_UNICODE
 419         #include <wctype.h>
 420
 421         /* this is probably glibc-specific */
 422         #if defined(__WCHAR_TYPE__) && !defined(__MWERKS__)
 423             /* ctype.h functions (wctype.h) */
 424             #define  wxIsalnum   iswalnum
 425             #define  wxIsalpha   iswalpha
 426             #define  wxIscntrl   iswcntrl
 427             #define  wxIsdigit   iswdigit
 428             #define  wxIsgraph   iswgraph
 429             #define  wxIslower   iswlower
 430             #define  wxIsprint   iswprint
 431             #define  wxIspunct   iswpunct
 432             #define  wxIsspace   iswspace
 433             #define  wxIsupper   iswupper
 434             #define  wxIsxdigit  iswxdigit
 435
 436             #if defined(__GLIBC__) && (__GLIBC__ == 2) && (__GLIBC_MINOR__ == 0)
 437                 /* /usr/include/wctype.h incorrectly declares translations */
 438                 /* tables which provokes tons of compile-time warnings -- try */
 439                 /* to correct this */
 440                 #define  wxTolower(wc)   towctrans((wc), (wctrans_t)__ctype_tolower)
 441                 #define  wxToupper(wc)   towctrans((wc), (wctrans_t)__ctype_toupper)
 442             #else /* !glibc 2.0 */
 443                 #define  wxTolower   towlower
 444                 #define  wxToupper   towupper
 445             #endif /* gcc/!gcc */
 446
 447             /* string.h functions (wchar.h) */
 448             #define  wxStrcat    wcscat
 449             #define  wxStrchr    wcschr
 450             #define  wxStrcmp    wcscmp
 451             #define  wxStrcoll   wcscoll
 452             #define  wxStrcpy    wcscpy
 453             #define  wxStrcspn   wcscspn
 454             #define  wxStrlen_   wxWcslen /* wxStrlen_() is used in wxStrlen() */
 455             #define  wxStrncat   wcsncat
 456             #define  wxStrncmp   wcsncmp
 457             #define  wxStrncpy   wcsncpy
 458             #define  wxStrpbrk   wcspbrk
 459             #define  wxStrrchr   wcsrchr
 460             #define  wxStrspn    wcsspn
 461             #define  wxStrstr    wcsstr
 462             #define  wxStrtod    wcstod
 463             #define  wxStrtol    wcstol
 464             #define  wxStrtoul   wcstoul
 465             #define  wxStrxfrm   wcsxfrm
 466
 467             #define  wxFgetc     fgetwc
 468             #define  wxFgetchar  fgetwchar
 469             #define  wxFgets     fgetws
 470             #define  wxFputc     fputwc
 471             #define  wxFputchar  fputwchar
 472             #define  wxGetc      getwc
 473             #define  wxGetchar   getwchar
 474             #define  wxGets      getws
 475             #define  wxUngetc    ungetwc
 476
 477             #ifdef HAVE_FPUTWS
 478                 #define wxFputs     fputws
 479             #else
 480                 #define wxNEED_FPUTS
 481                 #include <stdio.h>
 482                 int wxFputs(const wxChar *ch, FILE *stream);
 483             #endif
 484
 485             #ifdef HAVE_WPUTC
 486                 #define wxPutc      wputc
 487             #else
 488                 #define wxNEED_PUTC
 489                 #include <stdio.h>
 490                 int wxPutc(wxChar ch, FILE *stream);
 491             #endif
 492
 493             #ifdef HAVE_WPUTCHAR
 494                 #define wxPutchar   wputchar
 495             #else
 496                 #define wxPutchar(wch) wxPutc(wch, stdout)
 497             #endif
 498
 499             #ifdef HAVE_PUTWS
 500                 #define wxPuts      putws
 501             #else
 502                 #define wxNEED_PUTS
 503                 int wxPuts(const wxChar *ws)
 504             #endif
 505
 506             /* we need %s to %ls conversion for printf and scanf etc */
 507             #define wxNEED_PRINTF_CONVERSION
 508
 509             /* glibc doesn't have wide char equivalents of the other stuff so */
 510             /* use our own versions */
 511             #define wxNEED_WX_STDIO_H
 512             #define wxNEED_WX_STDLIB_H
 513             #define wxNEED_WX_TIME_H
 514         #elif defined(__MWERKS__) && ( defined(__MSL__) || defined(__MACH__) )
 515             /* ctype.h functions (wctype.h) */
 516             #define  wxIsalnum   iswalnum
 517             #define  wxIsalpha   iswalpha
 518             #define  wxIscntrl   iswcntrl
 519             #define  wxIsdigit   iswdigit
 520             #define  wxIsgraph   iswgraph
 521             #define  wxIslower   iswlower
 522             #define  wxIsprint   iswprint
 523             #define  wxIspunct   iswpunct
 524             #define  wxIsspace   iswspace
 525             #define  wxIsupper   iswupper
 526             #define  wxIsxdigit  iswxdigit
 527             #define  wxTolower   towlower
 528             #define  wxToupper   towupper
 529
 530             /* string.h functions (wchar.h) */
 531             #define  wxStrcat    wcscat
 532             #define  wxStrchr    wcschr
 533             #define  wxStrcmp    wcscmp
 534             #define  wxStrcoll   wcscoll
 535             #define  wxStrcpy    wcscpy
 536             #define  wxStrcspn   wcscspn
 537             #define  wxStrlen_   wxWcslen /* wxStrlen_() is used in wxStrlen() */
 538             #define  wxStrncat   wcsncat
 539             #define  wxStrncmp   wcsncmp
 540             #define  wxStrncpy   wcsncpy
 541             #define  wxStrpbrk   wcspbrk
 542             #define  wxStrrchr   wcsrchr
 543             #define  wxStrspn    wcsspn
 544             #define  wxStrstr    wcsstr
 545             #define  wxStrtod    wcstod
 546             #define  wxStrtol    wcstol
 547             #define  wxStrtoul   wcstoul
 548             #define  wxStrxfrm   wcsxfrm
 549
 550             #define  wxFgetc     fgetwc
 551             #define  wxFgetchar  fgetwchar
 552             #define  wxFgets     fgetws
 553             #define  wxFputc     fputwc
 554             #define  wxFputchar  fputwchar
 555             #define  wxGetc      getwc
 556             #define  wxGetchar   getwchar
 557             #define  wxGets      getws
 558             #define  wxUngetc    ungetwc
 559
 560             #define wxNEED_PRINTF_CONVERSION
 561
 562             #define  wxPutc      putwc
 563             #define  wxPutchar   putwchar
 564             #define  wxFputs     fputws
 565
 566             /* stdio.h functions */
 567
 568             #define wxNEED_WX_STDIO_H
 569
 570             /* stdlib.h functions */
 571             #ifdef __MACH__
 572             #define wxNEED_WX_STDLIB_H
 573             #else
 574             #define  wxAtof      watof
 575             #define  wxAtoi      watoi
 576             #define  wxAtol      watol
 577             #define  wxGetenv(a)    ((wxChar*)NULL)
 578             #define  wxSystem(a)    ((int)NULL)
 579             #endif
 580             /* time.h functions */
 581             #define  wxAsctime   wasciitime
 582             #define  wxCtime     wctime
 583             /* #define  wxStrftime  wcsftime */
 584
 585             #define wxNEED_WX_TIME_H
 586         #else /* !metrowerks for apple */
 587             #error  "Please define wide character functions for your environment"
 588         #endif
 589     #else /* ASCII */
 590         #include <ctype.h>
 591         #include <string.h>
 592
 593         /* ctype.h functions */
 594         #define  wxIsalnum   isalnum
 595         #define  wxIsalpha   isalpha
 596         #define  wxIscntrl   iscntrl
 597         #define  wxIsdigit   isdigit
 598         #define  wxIsgraph   isgraph
 599         #define  wxIslower   islower
 600         #define  wxIsprint   isprint
 601         #define  wxIspunct   ispunct
 602         #define  wxIsspace   isspace
 603         #define  wxIsupper   isupper
 604         #define  wxIsxdigit  isxdigit
 605         #define  wxTolower   tolower
 606         #define  wxToupper   toupper
 607
 608          /* locale.h functons */
 609         #define  wxSetlocale setlocale
 610
 611          /* string.h functions */
 612         #define  wxStrcat    strcat
 613         #define  wxStrchr    strchr
 614         #define  wxStrcmp    strcmp
 615         #define  wxStrcoll   strcoll
 616         #define  wxStrcpy    strcpy
 617         #define  wxStrcspn   strcspn
 618
 619         /* wxStricmp and wxStrnicmp are defined below */
 620         #define  wxStrlen_   strlen /* used in wxStrlen inline function */
 621         #define  wxStrncat   strncat
 622         #define  wxStrncmp   strncmp
 623         #define  wxStrncpy   strncpy
 624         #define  wxStrpbrk   strpbrk
 625         #define  wxStrrchr   strrchr
 626         #define  wxStrspn    strspn
 627         #define  wxStrstr    strstr
 628         #define  wxStrtod    strtod
 629         #ifdef HAVE_STRTOK_R
 630             #define  wxStrtok(str, sep, last)    strtok_r(str, sep, last)
 631         #endif
 632         #define  wxStrtol    strtol
 633         #define  wxStrtoul   strtoul
 634         #define  wxStrxfrm   strxfrm
 635
 636         /* stdio.h functions */
 637         #define  wxFopen     fopen
 638         #define  wxFreopen   freopen
 639         #define  wxRemove    remove
 640         #define  wxRename    rename
 641
 642         #define  wxPerror    perror
 643         #define  wxTmpnam    tmpnam
 644
 645         #define  wxFgetc     fgetc
 646         #define  wxFgetchar  fgetchar
 647         #define  wxFgets     fgets
 648         #define  wxFputc     fputc
 649         #define  wxFputs     fputs
 650         #define  wxFputchar  fputchar
 651         #define  wxFprintf   fprintf
 652         #define  wxFscanf    fscanf
 653         #define  wxGetc      getc
 654         #define  wxGetchar   getchar
 655         #define  wxGets      gets
 656         #define  wxPrintf    printf
 657         #define  wxPutc      putc
 658         #define  wxPutchar   putchar
 659         #define  wxPuts      puts
 660         #define  wxScanf     scanf
 661         #define  wxSprintf   sprintf
 662         #define  wxSscanf    sscanf
 663         #define  wxUngetc    ungetc
 664         #define  wxVfprintf  vfprintf
 665         #define  wxVprintf   vprintf
 666         #define  wxVsscanf   vsscanf
 667         #define  wxVsprintf  vsprintf
 668
 669         /* stdlib.h functions */
 670         #define  wxAtof      atof
 671         #define  wxAtoi      atoi
 672         #define  wxAtol      atol
 673         #define  wxGetenv    getenv
 674         #define  wxSystem    system
 675
 676         /* time.h functions */
 677         #define  wxAsctime   asctime
 678         #define  wxCtime     ctime
 679         #define  wxStrftime  strftime
 680     #endif /* Unicode/ASCII */
 681 #endif /* TCHAR-aware compilers/the others */
 682
 683 /*
 684     various special cases
 685  */
 686
 687 /* define wxStricmp and wxStrnicmp for various compilers */
 688
 689 /* note that in Unicode mode we definitely are going to need our own version */
 690 #if !defined(wxStricmp) && !wxUSE_UNICODE
 691     #if defined(__BORLANDC__) || defined(__WATCOMC__) || \
 692             defined(__SALFORDC__) || defined(__VISAGECPP__) || \
 693             defined(__EMX__) || defined(__DJGPP__)
 694         #define wxStricmp stricmp
 695         #define wxStrnicmp strnicmp
 696     #elif defined(__SYMANTEC__) || defined(__VISUALC__) || \
 697             (defined(__MWERKS__) && defined(__INTEL__))
 698         #define wxStricmp _stricmp
 699         #define wxStrnicmp _strnicmp
 700     #elif defined(__UNIX__) || defined(__GNUWIN32__)
 701         #define wxStricmp strcasecmp
 702         #define wxStrnicmp strncasecmp
 703     /* #else -- use wxWidgets implementation */
 704     #endif
 705 #endif /* !defined(wxStricmp) */
 706
 707 /* define wxWcslen() which should be always available if wxUSE_WCHAR_T == 1 (as */
 708 /* it's used in wx/buffer.h -- and also might be used just below by wxStrlen() */
 709 /* when wxStrlen_() is #define'd as wxWcslen so do it before defining wxStrlen) */
 710 #if wxUSE_WCHAR_T
 711     #ifdef HAVE_WCSLEN
 712         #define wxWcslen wcslen
 713     #else
 714         WXDLLIMPEXP_BASE size_t wxWcslen(const wchar_t *s);
 715     #endif
 716 #endif /* wxUSE_WCHAR_T */
 717
 718 #ifdef __cplusplus
 719 /* checks whether the passed in pointer is NULL and if the string is empty */
 720 inline bool wxIsEmpty(const wxChar *p) { return !p || !*p; }
 721
 722 /* safe version of strlen() (returns 0 if passed NULL pointer) */
 723 inline size_t wxStrlen(const wxChar *psz) { return psz ? wxStrlen_(psz) : 0; }
 724 #endif
 725
 726 /*
 727     each of strdup() and wcsdup() may or may not be available but we need both
 728     of them anyhow for wx/buffer.h so we define the missing one(s) in
 729     wxchar.cpp and so we should always have both wxStrdupA and wxStrdupW
 730     defined -- if this is somehow not the case in some situations, please
 731     correct that and not the lines here
 732  */
 733 #if wxUSE_UNICODE
 734     #define wxStrdup wxStrdupW
 735 #else
 736     #define wxStrdup wxStrdupA
 737 #endif
 738
 739 #ifdef __cplusplus
 740 WXDLLIMPEXP_BASE bool wxOKlibc(); /* for internal use */
 741 #endif
 742
 743 /* printf() family saga */
 744
 745 /*
 746    For some systems vsnprintf() exists in the system libraries but not in the
 747    headers, so we need to declare it ourselves to be able to use it.
 748  */
 749 #if defined(HAVE_VSNPRINTF) && !defined(HAVE_VSNPRINTF_DECL)
 750     extern "C"
 751     int vsnprintf(char *str, size_t size, const char *format, va_list ap);
 752 #endif /* !HAVE_VSNPRINTF_DECL */
 753
 754 /*
 755    First of all, we always want to define safe snprintf() function to be used
 756    instead of sprintf(). Some compilers already have it (or rather vsnprintf()
 757    which we really need...), otherwise we implement it using our own printf()
 758    code.
 759
 760    We define function with a trailing underscore here because the real one is a
 761    wrapper around it as explained below
 762  */
 763 #ifndef wxVsnprintf_
 764     #if wxUSE_UNICODE
 765         #if defined(__MWERKS__)
 766             #define HAVE_WCSRTOMBS 1
 767             #define HAVE_VSWPRINTF 1
 768         #endif
 769         #if defined(__WATCOMC__)
 770             #define wxVsnprintf_    _vsnwprintf
 771             #define wxSnprintf_     _snwprintf
 772         #endif
 773         #if defined(HAVE__VSNWPRINTF)
 774             #define wxVsnprintf_    _vsnwprintf
 775         /* MinGW?MSVCRT has the wrong vswprintf */
 776         #elif defined(HAVE_VSWPRINTF) && !defined(__MINGW32__)
 777             #define wxVsnprintf_    vswprintf
 778         #endif
 779     #else /* ASCII */
 780         /* all versions of CodeWarrior supported by wxWidgets apparently have */
 781         /* vsnprintf() */
 782         #if defined(HAVE_VSNPRINTF) || defined(__MWERKS__) || defined(__WATCOMC__)
 783             /* assume we have snprintf() too if we have vsnprintf() */
 784             #define wxVsnprintf_    vsnprintf
 785             #define wxSnprintf_     snprintf
 786         #endif
 787     #endif
 788 #endif /* wxVsnprintf_ not defined yet */
 789
 790 #ifndef wxSnprintf_
 791     /* no [v]snprintf(), cook our own */
 792     WXDLLIMPEXP_BASE int wxSnprintf_(wxChar *buf, size_t len, const wxChar *format,
 793                                 ...) ATTRIBUTE_PRINTF_3;
 794 #endif
 795 #ifndef wxVsnprintf_
 796     WXDLLIMPEXP_BASE int wxVsnprintf_(wxChar *buf, size_t len, const wxChar *format,
 797                                  va_list argptr);
 798 #endif
 799
 800 /*
 801    In Unicode mode we need to have all standard functions such as wprintf() and
 802    so on but not all systems have them so use our own implementations in this
 803    case.
 804  */
 805 #if wxUSE_UNICODE && !defined(wxHAVE_TCHAR_SUPPORT) && !defined(HAVE_WPRINTF)
 806     #define wxNEED_WPRINTF
 807 #endif
 808
 809 /*
 810    More Unicode complications: although both ANSI C and C++ define a number of
 811    wide character functions such as wprintf(), not all environments have them.
 812    Worse, those which do have different behaviours: under Windows, %s format
 813    specifier changes its meaning in Unicode build and expects a Unicode string
 814    while under Unix/POSIX it still means an ASCII string even for wprintf() and
 815    %ls has to be used for wide strings.
 816
 817    We choose to always emulate Windows behaviour as more useful for us so even
 818    if we have wprintf() we still must wrap it in a non trivial wxPrintf().
 819
 820 */
 821
 822 #if defined(wxNEED_PRINTF_CONVERSION) || defined(wxNEED_WPRINTF)
 823     /*
 824         we need to implement all wide character printf and scanf functions
 825         either because we don't have them at all or because they don't have the
 826         semantics we need
 827      */
 828
 829     #include <stdio.h>  /* for FILE */
 830
 831     int wxScanf( const wxChar *format, ... ) ATTRIBUTE_PRINTF_1;
 832     int wxSscanf( const wxChar *str, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 833     int wxFscanf( FILE *stream, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 834     int wxVsscanf( const wxChar *str, const wxChar *format, va_list ap );
 835     int wxPrintf( const wxChar *format, ... ) ATTRIBUTE_PRINTF_1;
 836     int wxSprintf( wxChar *str, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 837     int wxFprintf( FILE *stream, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 838     int wxVfprintf( FILE *stream, const wxChar *format, va_list ap );
 839     int wxVprintf( const wxChar *format, va_list ap );
 840     int wxVsprintf( wxChar *str, const wxChar *format, va_list ap );
 841 #endif /* wxNEED_PRINTF_CONVERSION */
 842
 843 /* these 2 can be simply mapped to the versions with underscore at the end */
 844 /* if we don't have to do the conversion */
 845 /*
 846    However, if we don't have any vswprintf() at all we don't need to redefine
 847    anything as our own wxVsnprintf_() already behaves as needed.
 848 */
 849 #if defined(wxNEED_PRINTF_CONVERSION) && defined(wxVsnprintf_)
 850     int wxSnprintf( wxChar *str, size_t size, const wxChar *format, ... ) ATTRIBUTE_PRINTF_3;
 851     int wxVsnprintf( wxChar *str, size_t size, const wxChar *format, va_list ap );
 852 #else
 853     #define wxSnprintf wxSnprintf_
 854     #define wxVsnprintf wxVsnprintf_
 855 #endif
 856
 857 /*
 858     various functions which might not be available in libc and for which we
 859     provide our own replacements in wxchar.cpp
 860  */
 861
 862 /* ctype.h functions */
 863
 864 /* RN: Used only under OSX <= 10.2 currently */
 865 #ifdef wxNEED_WX_CTYPE_H
 866     WXDLLIMPEXP_BASE int wxIsalnum(wxChar ch);
 867     WXDLLIMPEXP_BASE int wxIsalpha(wxChar ch);
 868     WXDLLIMPEXP_BASE int wxIscntrl(wxChar ch);
 869     WXDLLIMPEXP_BASE int wxIsdigit(wxChar ch);
 870     WXDLLIMPEXP_BASE int wxIsgraph(wxChar ch);
 871     WXDLLIMPEXP_BASE int wxIslower(wxChar ch);
 872     WXDLLIMPEXP_BASE int wxIsprint(wxChar ch);
 873     WXDLLIMPEXP_BASE int wxIspunct(wxChar ch);
 874     WXDLLIMPEXP_BASE int wxIsspace(wxChar ch);
 875     WXDLLIMPEXP_BASE int wxIsupper(wxChar ch);
 876     WXDLLIMPEXP_BASE int wxIsxdigit(wxChar ch);
 877     WXDLLIMPEXP_BASE int wxTolower(wxChar ch);
 878     WXDLLIMPEXP_BASE int wxToupper(wxChar ch);
 879 #endif /* wxNEED_WX_CTYPE_H */
 880
 881 /* under VC++ 6.0 isspace() returns 1 for 8 bit chars which completely breaks */
 882 /* the file parsing -- this may be true for 5.0 as well, update #ifdef then */
 883 #if defined(__VISUALC__) && (__VISUALC__ >= 1200) && !wxUSE_UNICODE
 884     #undef wxIsspace
 885     #define wxIsspace(c) ((((unsigned)c) < 128) && isspace(c))
 886 #endif /* VC++ */
 887
 888 /*
 889    a few compilers don't have the (non standard but common) isascii function,
 890    define it ourselves for them
 891  */
 892 #ifndef isascii
 893     #if defined(__MWERKS__)
 894         #define wxNEED_ISASCII
 895     #elif defined(_WIN32_WCE)
 896         #if _WIN32_WCE <= 211
 897             #define wxNEED_ISASCII
 898         #endif
 899     #endif
 900 #endif /* isascii */
 901
 902 #ifdef wxNEED_ISASCII
 903     inline int isascii(int c) { return (unsigned)c < 0x80; }
 904 #endif
 905
 906 #ifdef _WIN32_WCE
 907     #if _WIN32_WCE <= 211
 908         #define isspace(c) ((c) == _T(' ') || (c) == _T('\t'))
 909     #endif
 910 #endif /* _WIN32_WCE */
 911
 912 /*
 913    we had goofed and defined wxIsctrl() instead of (correct) wxIscntrl() in the
 914    initial versions of this header -- now it is too late to remove it so
 915    although we fixed the function/macro name above, still provide the
 916    backwards-compatible synonym.
 917  */
 918 #define wxIsctrl wxIscntrl
 919
 920 /* string.h functions */
 921 #ifndef strdup
 922     #if defined(__MWERKS__) && !defined(__MACH__) && (__MSL__ < 0x00008000)
 923         #define wxNEED_STRDUP
 924     #elif defined(__WXWINCE__)
 925         #if _WIN32_WCE <= 211
 926             #define wxNEED_STRDUP
 927         #endif
 928     #endif
 929 #endif /* strdup */
 930
 931 #ifdef wxNEED_STRDUP
 932     WXDLLIMPEXP_BASE char *strdup(const char* s);
 933 #endif
 934
 935 /* RN: Used only under OSX <= 10.2 currently
 936    The __cplusplus ifdefs are messy, but they are required to build
 937    the regex library, since c does not support function overloading
 938 */
 939 #ifdef wxNEED_WX_STRING_H
 940 #       ifdef __cplusplus
 941     extern "C" {
 942 #       endif
 943         WXDLLIMPEXP_BASE wxChar * wxStrcat(wxChar *dest, const wxChar *src);
 944         WXDLLIMPEXP_BASE const wxChar * wxStrchr(const wxChar *s, wxChar c);
 945         WXDLLIMPEXP_BASE int      wxStrcmp(const wxChar *s1, const wxChar *s2);
 946         WXDLLIMPEXP_BASE int      wxStrcoll(const wxChar *s1, const wxChar *s2);
 947         WXDLLIMPEXP_BASE wxChar * wxStrcpy(wxChar *dest, const wxChar *src);
 948         WXDLLIMPEXP_BASE size_t   wxStrcspn(const wxChar *s, const wxChar *reject);
 949         WXDLLIMPEXP_BASE wxChar * wxStrncat(wxChar *dest, const wxChar *src, size_t n);
 950         WXDLLIMPEXP_BASE int      wxStrncmp(const wxChar *s1, const wxChar *s2, size_t n);
 951         WXDLLIMPEXP_BASE wxChar * wxStrncpy(wxChar *dest, const wxChar *src, size_t n);
 952         WXDLLIMPEXP_BASE const wxChar * wxStrpbrk(const wxChar *s, const wxChar *accept);
 953         WXDLLIMPEXP_BASE const wxChar * wxStrrchr(const wxChar *s, wxChar c);
 954         WXDLLIMPEXP_BASE size_t   wxStrspn(const wxChar *s, const wxChar *accept);
 955         WXDLLIMPEXP_BASE const wxChar * wxStrstr(const wxChar *haystack, const wxChar *needle);
 956 #       ifdef __cplusplus
 957     }
 958 #       endif
 959
 960     /* These functions use C++, so we can't c extern them */
 961     WXDLLIMPEXP_BASE double   wxStrtod(const wxChar *nptr, wxChar **endptr);
 962     WXDLLIMPEXP_BASE long int wxStrtol(const wxChar *nptr, wxChar **endptr, int base);
 963     WXDLLIMPEXP_BASE unsigned long int wxStrtoul(const wxChar *nptr, wxChar **endptr, int base);
 964     WXDLLIMPEXP_BASE size_t   wxStrxfrm(wxChar *dest, const wxChar *src, size_t n);
 965
 966     /* inlined versions */
 967     #ifdef __cplusplus
 968         inline wxChar * wxStrchr(wxChar *s, wxChar c)
 969             { return (wxChar *)wxStrchr((const wxChar *)s, c); }
 970         inline wxChar * wxStrpbrk(wxChar *s, const wxChar *accept)
 971             { return (wxChar *)wxStrpbrk((const wxChar *)s, accept); }
 972         inline wxChar * wxStrrchr(wxChar *s, wxChar c)
 973             { return (wxChar *)wxStrrchr((const wxChar *)s, c); }
 974         inline wxChar *wxStrstr(wxChar *haystack, const wxChar *needle)
 975             { return (wxChar *)wxStrstr((const wxChar *)haystack, needle); }
 976     #endif
 977
 978 #endif /* wxNEED_WX_STRING_H */
 979
 980 #ifndef wxStrdupA
 981 WXDLLIMPEXP_BASE char *wxStrdupA(const char *psz);
 982 #endif
 983
 984 #ifndef wxStrdupW
 985 WXDLLIMPEXP_BASE wchar_t *wxStrdupW(const wchar_t *pwz);
 986 #endif
 987
 988 #ifndef wxStricmp
 989 WXDLLIMPEXP_BASE int wxStricmp(const wxChar *psz1, const wxChar *psz2);
 990 #endif
 991
 992 #ifndef wxStrnicmp
 993 WXDLLIMPEXP_BASE int wxStrnicmp(const wxChar *psz1, const wxChar *psz2, size_t len);
 994 #endif
 995
 996 #ifndef wxStrtok
 997 WXDLLIMPEXP_BASE wxChar * wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_ptr);
 998 #endif
 999
1000 #ifdef __cplusplus
1001 #ifndef wxSetlocale
1002 class WXDLLIMPEXP_BASE wxWCharBuffer;
1003 WXDLLIMPEXP_BASE wxWCharBuffer wxSetlocale(int category, const wxChar *locale);
1004 #endif
1005 #endif
1006
1007 /* stdio.h functions */
1008 #ifdef wxNEED_WX_STDIO_H
1009     #include <stdio.h>
1010     WXDLLIMPEXP_BASE FILE *   wxFopen(const wxChar *path, const wxChar *mode);
1011     WXDLLIMPEXP_BASE FILE *   wxFreopen(const wxChar *path, const wxChar *mode, FILE *stream);
1012     WXDLLIMPEXP_BASE int      wxRemove(const wxChar *path);
1013     WXDLLIMPEXP_BASE int      wxRename(const wxChar *oldpath, const wxChar *newpath);
1014
1015     /* *printf() family is handled separately */
1016 #endif /* wxNEED_WX_STDIO_H */
1017
1018
1019 /* stdlib.h functions */
1020 #ifndef wxAtof
1021 WXDLLIMPEXP_BASE double   wxAtof(const wxChar *psz);
1022 #endif
1023
1024 #ifdef wxNEED_WX_STDLIB_H
1025 WXDLLIMPEXP_BASE int      wxAtoi(const wxChar *psz);
1026 WXDLLIMPEXP_BASE long     wxAtol(const wxChar *psz);
1027 WXDLLIMPEXP_BASE wxChar * wxGetenv(const wxChar *name);
1028 WXDLLIMPEXP_BASE int      wxSystem(const wxChar *psz);
1029 #endif
1030
1031
1032 /* time.h functions */
1033 #ifdef wxNEED_WX_TIME_H
1034 #if defined(__MWERKS__) && defined(macintosh)
1035     #include <time.h>
1036 #endif
1037     /*silent gabby compilers*/
1038     struct tm;
1039     WXDLLIMPEXP_BASE size_t wxStrftime(wxChar *s, size_t max,
1040                                   const wxChar *fmt, const struct tm *tm);
1041 #endif /* wxNEED_WX_TIME_H */
1042
1043 #ifndef wxCtime
1044 #include <time.h>
1045 WXDLLIMPEXP_BASE wxChar *wxCtime(const time_t *timep);
1046 #endif
1047
1048
1049 /* missing functions in some WinCE versions */
1050 #ifdef _WIN32_WCE
1051 #if (_WIN32_WCE < 300)
1052 WXDLLIMPEXP_BASE void *calloc( size_t num, size_t size );
1053 #endif
1054 #endif /* _WIN32_WCE */
1055
1056 /* multibyte to wide char conversion functions and macros */
1057
1058 #if wxUSE_WCHAR_T
1059     /* multibyte<->widechar conversion */
1060     WXDLLIMPEXP_BASE size_t wxMB2WC(wchar_t *buf, const char *psz, size_t n);
1061     WXDLLIMPEXP_BASE size_t wxWC2MB(char *buf, const wchar_t *psz, size_t n);
1062
1063     #if wxUSE_UNICODE
1064         #define wxMB2WX wxMB2WC
1065         #define wxWX2MB wxWC2MB
1066         #define wxWC2WX wxStrncpy
1067         #define wxWX2WC wxStrncpy
1068     #else
1069         #define wxMB2WX wxStrncpy
1070         #define wxWX2MB wxStrncpy
1071         #define wxWC2WX wxWC2MB
1072         #define wxWX2WC wxMB2WC
1073     #endif
1074 #else /* !wxUSE_UNICODE */
1075 #error ha
1076     /* No wxUSE_WCHAR_T: we have to do something (JACS) */
1077     #define wxMB2WC wxStrncpy
1078     #define wxWC2MB wxStrncpy
1079     #define wxMB2WX wxStrncpy
1080     #define wxWX2MB wxStrncpy
1081     #define wxWC2WX wxWC2MB
1082     #define wxWX2WC wxMB2WC
1083 #endif
1084
1085 //
1086 // RN:  The following are not normal versions of memcpy et al., rather
1087 // these are either char or widechar versions depending on
1088 // if unicode is used or not.
1089 //
1090
1091 #ifdef __cplusplus
1092
1093     //
1094     //  RN: We could do the usual tricky compiler detection here,
1095     //  and use their variant (such as wmemchr, etc.).  The problem
1096     //  is that these functions are quite rare, even though they are
1097     //  part of the current POSIX standard.  In addition, most compilers
1098     //  (including even MSC) inline them just like we do right in their
1099     //  headers.
1100     //
1101     #if wxUSE_UNICODE
1102         #include <string.h> //for mem funcs
1103
1104         //implement our own wmem variants
1105         inline wxChar* wxMemchr(const wxChar* s, wxChar c, size_t l)
1106         {
1107             for(;l && *s != c;--l, ++s) {}
1108
1109             if(l)
1110                 return (wxChar*)s;
1111             return NULL;
1112         }
1113
1114         inline int wxMemcmp(const wxChar* sz1, const wxChar* sz2, size_t len)
1115         {
1116             for(; *sz1 == *sz2 && len; --len, ++sz1, ++sz2) {}
1117
1118             if(len)
1119                 return *sz1 < *sz2 ? -1 : *sz1 > *sz2;
1120             else
1121                 return 0;
1122         }
1123
1124         inline wxChar* wxMemcpy(wxChar* szOut, const wxChar* szIn, size_t len)
1125         {
1126             return (wxChar*) memcpy(szOut, szIn, len * sizeof(wxChar));
1127         }
1128
1129         inline wxChar* wxMemmove(wxChar* szOut, const wxChar* szIn, size_t len)
1130         {
1131             return (wxChar*) memmove(szOut, szIn, len * sizeof(wxChar));
1132         }
1133
1134         inline wxChar* wxMemset(wxChar* szOut, const wxChar cIn, size_t len)
1135         {
1136             wxChar* szRet = szOut;
1137
1138             while (len--)
1139                 *szOut++ = cIn;
1140
1141             return szRet;
1142         }
1143
1144     #else //!wxUSE_UNICODE
1145     #   define wxMemchr memchr
1146     #   define wxMemcmp memcmp
1147     #   define wxMemcpy memcpy
1148     #   define wxMemmove memmove
1149     #   define wxMemset memset
1150     #endif
1151
1152 #endif /*__cplusplus*/
1153
1154
1155 #endif /* _WX_WXCHAR_H_ */
1156