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