include/wx/wxchar.h

   1 /*
   2  * Name:        wx/wxchar.h
   3  * Purpose:     Declarations common to wx char/wchar_t usage (wide chars)
   4  * Author:      Joel Farley, Ove Kåven
   5  * Modified by: Vadim Zeitlin, Robert Roebling, Ron Lee
   6  * Created:     1998/06/12
   7  * RCS-ID:      $Id$
   8  * Copyright:   (c) 1998-2002 wxWidgets dev team
   9  * Licence:     wxWindows licence
  10  */
  11
  12 /* THIS IS A C FILE, DON'T USE C++ FEATURES (IN PARTICULAR COMMENTS) IN IT */
  13
  14 #ifndef _WX_WXCHAR_H_
  15 #define _WX_WXCHAR_H_
  16
  17 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  18     #pragma interface "wxchar.h"
  19 #endif
  20
  21 #include "wx/defs.h"        /* for wxUSE_UNICODE */
  22
  23 /* check whether we have wchar_t and which size it is if we do */
  24 #if !defined(wxUSE_WCHAR_T)
  25     #if defined(__UNIX__)
  26         #if defined(HAVE_WCSTR_H) || defined(HAVE_WCHAR_H) || defined(__FreeBSD__) || defined(__DARWIN__)
  27             #define wxUSE_WCHAR_T 1
  28         #else
  29             #define wxUSE_WCHAR_T 0
  30         #endif
  31     #elif defined(__GNUWIN32__) && !defined(__MINGW32__)
  32         #define wxUSE_WCHAR_T 0
  33     #elif defined(__WATCOMC__)
  34         #define wxUSE_WCHAR_T 0
  35     #elif defined(__VISAGECPP__) && (__IBMCPP__ < 400)
  36         #define wxUSE_WCHAR_T 0
  37     #else
  38         /* add additional compiler checks if this fails */
  39         #define wxUSE_WCHAR_T 1
  40     #endif
  41 #endif /* !defined(wxUSE_WCHAR_T) */
  42
  43 /* Unicode support requires wchar_t */
  44 #if wxUSE_UNICODE && !wxUSE_WCHAR_T
  45     #error "wchar_t must be available in Unicode build"
  46 #endif /* Unicode */
  47
  48 /*
  49     Standard headers we need here.
  50
  51     NB: don't include any wxWidgets headers here because almost of them include
  52         this one!
  53  */
  54
  55 /* Required for wxPrintf() etc */
  56 #include <stdarg.h>
  57
  58 /* Almost all compiler have strdup(), but not quite all: CodeWarrior under Mac */
  59 /* and VC++ for Windows CE don't provide it */
  60 #if !(defined(__MWERKS__) && defined(__WXMAC__)) && !defined(__WXWINCE__)
  61     /* use #define, not inline wrapper, as it is tested with #ifndef below */
  62     #define wxStrdupA strdup
  63 #endif
  64
  65 /*
  66    non Unix compilers which do have wchar.h (but not tchar.h which is included
  67    below and which includes wchar.h anyhow).
  68
  69    Actually MinGW has tchar.h, but it does not include wchar.h
  70  */
  71 #if defined(__MWERKS__) || defined(__VISAGECPP__) || defined(__MINGW32__) || defined(__WATCOMC__)
  72     #ifndef HAVE_WCHAR_H
  73         #define HAVE_WCHAR_H
  74     #endif
  75 #endif
  76 #if defined(__MWERKS__) && !defined(__MACH__)
  77     #ifndef HAVE_WCSLEN
  78         #define HAVE_WCSLEN
  79     #endif
  80 #endif
  81
  82 #if wxUSE_WCHAR_T
  83     #ifdef HAVE_WCHAR_H
  84         /* the current (as of Nov 2002) version of cygwin has a bug in its */
  85         /* wchar.h -- there is no extern "C" around the declarations in it and */
  86         /* this results in linking errors later; also, at least on some */
  87         /* Cygwin versions, wchar.h requires sys/types.h */
  88         #ifdef __CYGWIN__
  89             #include <sys/types.h>
  90             extern "C" {
  91         #endif /* Cygwin */
  92                 #include <wchar.h>
  93         #ifdef __CYGWIN__
  94             }
  95         #endif /* Cygwin */
  96     #elif defined(HAVE_WCSTR_H)
  97         /* old compilers have relevant declarations here */
  98         #include <wcstr.h>
  99     #elif defined(__FreeBSD__) || defined(__DARWIN__) || defined(__EMX__)
 100         /* include stdlib.h for wchar_t */
 101         #include <stdlib.h>
 102     #endif /* HAVE_WCHAR_H */
 103 #endif /* wxUSE_WCHAR_T */
 104
 105 /* ---------------------------------------------------------------------------- */
 106 /* define wxHAVE_TCHAR_SUPPORT for the compilers which support the TCHAR type */
 107 /* mapped to either char or wchar_t depending on the ASCII/Unicode mode and have */
 108 /* the function mapping _tfoo() -> foo() or wfoo() */
 109 /* ---------------------------------------------------------------------------- */
 110
 111 /* VC++ and BC++ starting with 5.2 have TCHAR support */
 112 #ifdef __VISUALC__
 113     #define wxHAVE_TCHAR_SUPPORT
 114 #elif defined(__BORLANDC__) && (__BORLANDC__ >= 0x520)
 115     #define wxHAVE_TCHAR_SUPPORT
 116     #include <ctype.h>
 117 #elif defined(__WATCOMC__)
 118     #define wxHAVE_TCHAR_SUPPORT
 119 #elif defined(__DMC__)
 120     #define wxHAVE_TCHAR_SUPPORT
 121 #elif defined(__MINGW32__) && wxCHECK_W32API_VERSION( 1, 0 ) && !defined(__WXPALMOS__)
 122     #define wxHAVE_TCHAR_SUPPORT
 123     #include <stddef.h>
 124     #include <string.h>
 125     #include <ctype.h>
 126 #elif 0 && defined(__VISAGECPP__) && (__IBMCPP__ >= 400)
 127     /* VZ: the old VisualAge definitions were completely wrong and had no */
 128     /*     chance at all to work in Unicode build anyhow so let's pretend that */
 129     /*     VisualAge does _not_ support TCHAR for the moment (as indicated by */
 130     /*     "0 &&" above) until someone really has time to delve into Unicode */
 131     /*     issues under OS/2 */
 132
 133     /* VisualAge 4.0+ supports TCHAR */
 134     #define wxHAVE_TCHAR_SUPPORT
 135 #endif /* compilers with (good) TCHAR support */
 136
 137 #ifdef __MWERKS__
 138     #define HAVE_WPRINTF
 139 #endif
 140
 141 #ifdef wxHAVE_TCHAR_SUPPORT
 142     /* get TCHAR definition if we've got it */
 143     #include <tchar.h>
 144
 145     /* we surely do have wchar_t if we have TCHAR */
 146     #ifndef wxUSE_WCHAR_T
 147         #define wxUSE_WCHAR_T 1
 148     #endif /* !defined(wxUSE_WCHAR_T) */
 149
 150     /* and we also do have wcslen() */
 151     #ifndef HAVE_WCSLEN
 152         #define HAVE_WCSLEN
 153     #endif
 154 #endif /* wxHAVE_TCHAR_SUPPORT */
 155
 156 /* ---------------------------------------------------------------------------- */
 157 /* define wxChar type */
 158 /* ---------------------------------------------------------------------------- */
 159
 160 /* TODO: define wxCharInt to be equal to either int or wint_t? */
 161
 162 #if !wxUSE_UNICODE
 163     typedef char wxChar;
 164     typedef signed char wxSChar;
 165     typedef unsigned char wxUChar;
 166 #else /* Unicode */
 167     /* VZ: note that VC++ defines _T[SU]CHAR simply as wchar_t and not as */
 168     /*     signed/unsigned version of it which (a) makes sense to me (unlike */
 169     /*     char wchar_t is always unsigned) and (b) was how the previous */
 170     /*     definitions worked so keep it like this */
 171
 172     /* GNU libc has __WCHAR_TYPE__ which requires special treatment, see */
 173     /* comment below */
 174     #if !defined(__WCHAR_TYPE__) || \
 175         (!defined(__GNUC__) || wxCHECK_GCC_VERSION(2, 96))
 176         /* standard case */
 177         typedef wchar_t wxChar;
 178         typedef wchar_t wxSChar;
 179         typedef wchar_t wxUChar;
 180     #else /* __WCHAR_TYPE__ and gcc < 2.96 */
 181         /* VS: wxWidgets used to define wxChar as __WCHAR_TYPE__ here. However, */
 182         /*     this doesn't work with new GCC 3.x compilers because wchar_t is */
 183         /*     C++'s builtin type in the new standard. OTOH, old compilers (GCC */
 184         /*     2.x) won't accept new definition of wx{S,U}Char, therefore we */
 185         /*     have to define wxChar conditionally depending on detected */
 186         /*     compiler & compiler version. */
 187         /*     with old definition of wxChar. */
 188         typedef __WCHAR_TYPE__ wxChar;
 189         typedef __WCHAR_TYPE__ wxSChar;
 190         typedef __WCHAR_TYPE__ wxUChar;
 191     #endif /* __WCHAR_TYPE__ */
 192 #endif /* ASCII/Unicode */
 193
 194 /* ---------------------------------------------------------------------------- */
 195 /* define _T() and related macros */
 196 /* ---------------------------------------------------------------------------- */
 197
 198 /* BSD systems define _T() to be something different in ctype.h, override it */
 199 #if defined(__FreeBSD__) || defined(__DARWIN__)
 200     #include <ctype.h>
 201     #undef _T
 202 #endif
 203
 204 /* could already be defined by tchar.h (it's quasi standard) */
 205 #ifndef _T
 206     #if !wxUSE_UNICODE
 207         #define _T(x) x
 208     #else /* Unicode */
 209         #define _T(x) L ## x
 210     #endif /* ASCII/Unicode */
 211 #endif /* !defined(_T) */
 212
 213 /* although global macros with such names are normally bad, we want to have */
 214 /* another name for _T() which should be used to avoid confusion between _T() */
 215 /* and _() in wxWidgets sources */
 216 #define wxT(x)       _T(x)
 217
 218 /* Unicode-friendly __FILE__, __DATE__ and __TIME__ analogs */
 219 #ifndef __TFILE__
 220     #define __XFILE__(x) wxT(x)
 221     #define __TFILE__ __XFILE__(__FILE__)
 222 #endif
 223
 224 #ifndef __TDATE__
 225     #define __XDATE__(x) wxT(x)
 226     #define __TDATE__ __XDATE__(__DATE__)
 227 #endif
 228
 229 #ifndef __TTIME__
 230     #define __XTIME__(x) wxT(x)
 231     #define __TTIME__ __XTIME__(__TIME__)
 232 #endif
 233
 234 /*
 235     define wxFoo() function for each standard foo() function whose signature
 236     (exceptionally including the return type) includes any mention of char:
 237     wxFoo() is going to be a Unicode-friendly version of foo(), i.e. will have
 238     the same signature but with char replaced by wxChar which allows us to use
 239     it in Unicode build as well
 240  */
 241
 242 #ifdef wxHAVE_TCHAR_SUPPORT
 243     #include <ctype.h>
 244
 245     #if defined(__WATCOMC__) && defined(UNICODE)
 246       #define WXWCHAR_T_CAST(c) (wint_t)(c)
 247     #else
 248       #define WXWCHAR_T_CAST(c) c
 249     #endif
 250
 251     /* ctype.h functions */
 252     #define  wxIsalnum(c)   _istalnum(WXWCHAR_T_CAST(c))
 253     #define  wxIsalpha(c)   _istalpha(WXWCHAR_T_CAST(c))
 254     #define  wxIscntrl(c)   _istcntrl(WXWCHAR_T_CAST(c))
 255     #define  wxIsdigit(c)   _istdigit(WXWCHAR_T_CAST(c))
 256     #define  wxIsgraph(c)   _istgraph(WXWCHAR_T_CAST(c))
 257     #define  wxIslower(c)   _istlower(WXWCHAR_T_CAST(c))
 258     #define  wxIsprint(c)   _istprint(WXWCHAR_T_CAST(c))
 259     #define  wxIspunct(c)   _istpunct(WXWCHAR_T_CAST(c))
 260     #define  wxIsspace(c)   _istspace(WXWCHAR_T_CAST(c))
 261     #define  wxIsupper(c)   _istupper(WXWCHAR_T_CAST(c))
 262     #define  wxIsxdigit(c)  _istxdigit(WXWCHAR_T_CAST(c))
 263
 264     /*
 265        There is a bug in VC6 C RTL: toxxx() functions dosn't do anything with
 266        signed chars < 0, so "fix" it here.
 267      */
 268     #define  wxTolower(c) _totlower((wxUChar)(c))
 269     #define  wxToupper(c) _totupper((wxUChar)(c))
 270
 271     /* locale.h functons */
 272     #define  wxSetlocale _tsetlocale
 273
 274     /* string.h functions */
 275     #define  wxStrcat    _tcscat
 276     #define  wxStrchr    _tcschr
 277     #define  wxStrcmp    _tcscmp
 278     #define  wxStrcoll   _tcscoll
 279     #define  wxStrcpy    _tcscpy
 280     #define  wxStrcspn   _tcscspn
 281     #define  wxStrdupW   _wcsdup        /* notice the 'W'! */
 282     #define  wxStrftime  _tcsftime
 283     #define  wxStricmp   _tcsicmp
 284     #define  wxStrnicmp  _tcsnicmp
 285     #define  wxStrlen_   _tcslen        /* used in wxStrlen inline function */
 286     #define  wxStrncat   _tcsncat
 287     #define  wxStrncmp   _tcsncmp
 288     #define  wxStrncpy   _tcsncpy
 289     #define  wxStrpbrk   _tcspbrk
 290     #define  wxStrrchr   _tcsrchr
 291     #define  wxStrspn    _tcsspn
 292     #define  wxStrstr    _tcsstr
 293     #define  wxStrtod    _tcstod
 294     #define  wxStrtol    _tcstol
 295     #define  wxStrtoul   _tcstoul
 296     #define  wxStrxfrm   _tcsxfrm
 297
 298     /* stdio.h functions */
 299     #define  wxFgetc     _fgettc
 300     #define  wxFgetchar  _fgettchar
 301     #define  wxFgets     _fgetts
 302     #if wxUSE_UNICODE_MSLU
 303         #define  wxFopen    wxMSLU__tfopen
 304     #else
 305         #define  wxFopen     _tfopen
 306     #endif
 307     #define  wxFputc     _fputtc
 308     #define  wxFputchar  _fputtchar
 309     #define  wxFprintf   _ftprintf
 310     #define  wxFputs     _fputts
 311     #define  wxFreopen   _tfreopen
 312     #define  wxFscanf    _ftscanf
 313     #define  wxGetc      _gettc
 314     #define  wxGetchar   _gettchar
 315     #define  wxGets      _getts
 316     #define  wxPerror    _tperror
 317     #define  wxPrintf    _tprintf
 318     #define  wxPutc(c,f) _puttc(WXWCHAR_T_CAST(c),f)
 319     #define  wxPutchar   _puttchar
 320     #define  wxPuts      _putts
 321     #define  wxScanf     _tscanf
 322     #if defined(__DMC__)
 323         #if wxUSE_UNICODE
 324             /* Digital Mars adds count to _stprintf (C99) so prototype conversion see wxchar.cpp */
 325             int wxSprintf (wchar_t * __RESTRICT s, const wchar_t * __RESTRICT format, ... ) ;
 326         #else
 327             /* and there is a bug in D Mars tchar.h prior to 8.39.4n, so define as sprintf */
 328             #define wxSprintf sprintf
 329         #endif
 330     #else
 331         #define  wxSprintf   _stprintf
 332     #endif
 333
 334     #define  wxSscanf    _stscanf
 335     #define  wxTmpnam    _ttmpnam
 336     #define  wxUngetc    _tungetc
 337     #define  wxVfprintf  _vftprintf
 338     #define  wxVprintf   _vtprintf
 339     #define  wxVsscanf   _vstscanf
 340     #define  wxVsprintf  _vstprintf
 341
 342     /* special case: not all TCHAR-aware compilers have those */
 343     #if defined(__VISUALC__) || \
 344             (defined(__BORLANDC__) && __BORLANDC__ >= 0x540)
 345         #define wxVsnprintf_    _vsntprintf
 346         #define wxSnprintf_     _sntprintf
 347     #endif
 348
 349     /* special case: these functions are missing under Win9x with Unicows so we */
 350     /* have to implement them ourselves */
 351     #if wxUSE_UNICODE_MSLU
 352         #define  wxRemove    wxMSLU__tremove
 353         #define  wxRename    wxMSLU__trename
 354     #else
 355         #ifdef __WXWINCE__
 356             #define  wxRemove    DeleteFile
 357         #else
 358             #define  wxRemove    _tremove
 359             #define  wxRename    _trename
 360         #endif
 361     #endif
 362
 363     /* stdlib.h functions */
 364     #define  wxAtoi      _ttoi
 365     #define  wxAtol      _ttol
 366     /* #define  wxAtof   _tttof -- notice that there is no such thing (why?) */
 367     #define  wxGetenv    _tgetenv
 368     #define  wxSystem    _tsystem
 369
 370     /* time.h functions */
 371     #define  wxAsctime   _tasctime
 372     #define  wxCtime     _tctime
 373 #else /* !TCHAR-aware compilers */
 374
 375     #if !defined(__MWERKS__) && defined(__DARWIN__) && ( MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_2 )
 376         /* even though they are defined and "implemented", they are bad and just
 377            stubs so we need our own - we need these even in ANSI builds!! */
 378         #define mbstowcs wxInternalMbstowcs
 379         #define wcstombs wxInternalWcstombs
 380
 381         WXDLLIMPEXP_BASE size_t wxInternalMbstowcs (wchar_t *, const char *, size_t);
 382         WXDLLIMPEXP_BASE size_t wxInternalWcstombs (char *, const wchar_t *, size_t);
 383     #endif
 384
 385     /* No UNICODE in the c library except wchar_t typedef on mac OSX 10.2 and less - roll our own */
 386     #if !defined(__MWERKS__) && wxUSE_UNICODE && defined(__DARWIN__) && ( MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_2 )
 387
 388         /* we need everything! */
 389         #define wxNEED_WX_STRING_H
 390         #define wxNEED_WX_CTYPE_H
 391
 392         #define  wxFgetchar(c)  wxFgetc(c, stdin)
 393         #define  wxFputc     wxPutc
 394         #define  wxFputchar(c)  wxPutc(c, stdout)
 395         #define  wxGetc      wxFgetc
 396         #define  wxGetchar(c)   wxFgetc(c, stdin)
 397
 398         #include <stdio.h>
 399
 400         #define wxNEED_FGETC
 401         #define wxNEED_FGETS
 402         #define wxNEED_GETS
 403         #define wxNEED_UNGETC
 404
 405         #define wxNEED_FPUTS
 406         #define wxNEED_PUTS
 407         #define wxNEED_PUTC
 408
 409         int wxFputs(const wxChar *ch, FILE *stream);
 410         int wxPuts(const wxChar *ws);
 411         int wxPutc(wxChar ch, FILE *stream);
 412
 413         #ifdef __cplusplus
 414         extern "C" {
 415         #endif
 416             WXDLLIMPEXP_BASE size_t   wxStrlen_(const wxChar *s);
 417         #ifdef __cplusplus
 418         }
 419         #endif
 420
 421         #define wxPutchar(wch) wxPutc(wch, stdout)
 422
 423         #define wxNEED_PRINTF_CONVERSION
 424         #define wxNEED_WX_STDIO_H
 425         #define wxNEED_WX_STDLIB_H
 426         #define wxNEED_WX_TIME_H
 427
 428     #elif wxUSE_UNICODE
 429         #include <wctype.h>
 430
 431         /* this is probably glibc-specific */
 432         #if defined(__WCHAR_TYPE__) && !defined(__MWERKS__)
 433             /* ctype.h functions (wctype.h) */
 434             #define  wxIsalnum   iswalnum
 435             #define  wxIsalpha   iswalpha
 436             #define  wxIscntrl   iswcntrl
 437             #define  wxIsdigit   iswdigit
 438             #define  wxIsgraph   iswgraph
 439             #define  wxIslower   iswlower
 440             #define  wxIsprint   iswprint
 441             #define  wxIspunct   iswpunct
 442             #define  wxIsspace   iswspace
 443             #define  wxIsupper   iswupper
 444             #define  wxIsxdigit  iswxdigit
 445
 446             #if defined(__GLIBC__) && (__GLIBC__ == 2) && (__GLIBC_MINOR__ == 0)
 447                 /* /usr/include/wctype.h incorrectly declares translations */
 448                 /* tables which provokes tons of compile-time warnings -- try */
 449                 /* to correct this */
 450                 #define  wxTolower(wc)   towctrans((wc), (wctrans_t)__ctype_tolower)
 451                 #define  wxToupper(wc)   towctrans((wc), (wctrans_t)__ctype_toupper)
 452             #else /* !glibc 2.0 */
 453                 #define  wxTolower   towlower
 454                 #define  wxToupper   towupper
 455             #endif /* gcc/!gcc */
 456
 457             /* string.h functions (wchar.h) */
 458             #define  wxStrcat    wcscat
 459             #define  wxStrchr    wcschr
 460             #define  wxStrcmp    wcscmp
 461             #define  wxStrcoll   wcscoll
 462             #define  wxStrcpy    wcscpy
 463             #define  wxStrcspn   wcscspn
 464             #define  wxStrlen_   wxWcslen /* wxStrlen_() is used in wxStrlen() */
 465             #define  wxStrncat   wcsncat
 466             #define  wxStrncmp   wcsncmp
 467             #define  wxStrncpy   wcsncpy
 468             #define  wxStrpbrk   wcspbrk
 469             #define  wxStrrchr   wcsrchr
 470             #define  wxStrspn    wcsspn
 471             #define  wxStrstr    wcsstr
 472             #define  wxStrtod    wcstod
 473             #define  wxStrtol    wcstol
 474             #define  wxStrtoul   wcstoul
 475             #define  wxStrxfrm   wcsxfrm
 476
 477             #define  wxFgetc     fgetwc
 478             #define  wxFgetchar  fgetwchar
 479             #define  wxFgets     fgetws
 480             #define  wxFputc     fputwc
 481             #define  wxFputchar  fputwchar
 482             #define  wxGetc      getwc
 483             #define  wxGetchar   getwchar
 484             #define  wxGets      getws
 485             #define  wxUngetc    ungetwc
 486
 487             #ifdef HAVE_FPUTWS
 488                 #define wxFputs     fputws
 489             #else
 490                 #define wxNEED_FPUTS
 491                 #include <stdio.h>
 492                 int wxFputs(const wxChar *ch, FILE *stream);
 493             #endif
 494
 495             #ifdef HAVE_WPUTC
 496                 #define wxPutc      wputc
 497             #else
 498                 #define wxNEED_PUTC
 499                 #include <stdio.h>
 500                 int wxPutc(wxChar ch, FILE *stream);
 501             #endif
 502
 503             #ifdef HAVE_WPUTCHAR
 504                 #define wxPutchar   wputchar
 505             #else
 506                 #define wxPutchar(wch) wxPutc(wch, stdout)
 507             #endif
 508
 509             #ifdef HAVE_PUTWS
 510                 #define wxPuts      putws
 511             #else
 512                 #define wxNEED_PUTS
 513                 int wxPuts(const wxChar *ws);
 514             #endif
 515
 516             /* we need %s to %ls conversion for printf and scanf etc */
 517             #define wxNEED_PRINTF_CONVERSION
 518
 519             /* glibc doesn't have wide char equivalents of the other stuff so */
 520             /* use our own versions */
 521             #define wxNEED_WX_STDIO_H
 522             #define wxNEED_WX_STDLIB_H
 523             #define wxNEED_WX_TIME_H
 524         #elif defined(__MWERKS__) && ( defined(__MSL__) || defined(__MACH__) )
 525             /* ctype.h functions (wctype.h) */
 526             #define  wxIsalnum   iswalnum
 527             #define  wxIsalpha   iswalpha
 528             #define  wxIscntrl   iswcntrl
 529             #define  wxIsdigit   iswdigit
 530             #define  wxIsgraph   iswgraph
 531             #define  wxIslower   iswlower
 532             #define  wxIsprint   iswprint
 533             #define  wxIspunct   iswpunct
 534             #define  wxIsspace   iswspace
 535             #define  wxIsupper   iswupper
 536             #define  wxIsxdigit  iswxdigit
 537             #define  wxTolower   towlower
 538             #define  wxToupper   towupper
 539
 540             /* string.h functions (wchar.h) */
 541             #define  wxStrcat    wcscat
 542             #define  wxStrchr    wcschr
 543             #define  wxStrcmp    wcscmp
 544             #define  wxStrcoll   wcscoll
 545             #define  wxStrcpy    wcscpy
 546             #define  wxStrcspn   wcscspn
 547             #define  wxStrlen_   wxWcslen /* wxStrlen_() is used in wxStrlen() */
 548             #define  wxStrncat   wcsncat
 549             #define  wxStrncmp   wcsncmp
 550             #define  wxStrncpy   wcsncpy
 551             #define  wxStrpbrk   wcspbrk
 552             #define  wxStrrchr   wcsrchr
 553             #define  wxStrspn    wcsspn
 554             #define  wxStrstr    wcsstr
 555             #define  wxStrtod    wcstod
 556             #define  wxStrtol    wcstol
 557             #define  wxStrtoul   wcstoul
 558             #define  wxStrxfrm   wcsxfrm
 559
 560             #define  wxFgetc     fgetwc
 561             #define  wxFgetchar  fgetwchar
 562             #define  wxFgets     fgetws
 563             #define  wxFputc     fputwc
 564             #define  wxFputchar  fputwchar
 565             #define  wxGetc      getwc
 566             #define  wxGetchar   getwchar
 567             #define  wxGets      getws
 568             #define  wxUngetc    ungetwc
 569
 570             #define wxNEED_PRINTF_CONVERSION
 571
 572             #define  wxPutc      putwc
 573             #define  wxPutchar   putwchar
 574             #define  wxFputs     fputws
 575
 576             /* stdio.h functions */
 577
 578             #define wxNEED_WX_STDIO_H
 579
 580             /* stdlib.h functions */
 581             #ifdef __MACH__
 582             #define wxNEED_WX_STDLIB_H
 583             #else
 584             #define  wxAtof      watof
 585             #define  wxAtoi      watoi
 586             #define  wxAtol      watol
 587             #define  wxGetenv(a)    ((wxChar*)NULL)
 588             #define  wxSystem(a)    ((int)NULL)
 589             #endif
 590             /* time.h functions */
 591             #define  wxAsctime   wasciitime
 592             #define  wxCtime     wctime
 593             /* #define  wxStrftime  wcsftime */
 594
 595             #define wxNEED_WX_TIME_H
 596         #else /* !metrowerks for apple */
 597             #error  "Please define wide character functions for your environment"
 598         #endif
 599     #else /* ASCII */
 600         #include <ctype.h>
 601         #include <string.h>
 602
 603         /* ctype.h functions */
 604         #define  wxIsalnum   isalnum
 605         #define  wxIsalpha   isalpha
 606         #define  wxIscntrl   iscntrl
 607         #define  wxIsdigit   isdigit
 608         #define  wxIsgraph   isgraph
 609         #define  wxIslower   islower
 610         #define  wxIsprint   isprint
 611         #define  wxIspunct   ispunct
 612         #define  wxIsspace   isspace
 613         #define  wxIsupper   isupper
 614         #define  wxIsxdigit  isxdigit
 615         #define  wxTolower   tolower
 616         #define  wxToupper   toupper
 617
 618          /* locale.h functons */
 619         #define  wxSetlocale setlocale
 620
 621          /* string.h functions */
 622         #define  wxStrcat    strcat
 623         #define  wxStrchr    strchr
 624         #define  wxStrcmp    strcmp
 625         #define  wxStrcoll   strcoll
 626         #define  wxStrcpy    strcpy
 627         #define  wxStrcspn   strcspn
 628
 629         /* wxStricmp and wxStrnicmp are defined below */
 630         #define  wxStrlen_   strlen /* used in wxStrlen inline function */
 631         #define  wxStrncat   strncat
 632         #define  wxStrncmp   strncmp
 633         #define  wxStrncpy   strncpy
 634         #define  wxStrpbrk   strpbrk
 635         #define  wxStrrchr   strrchr
 636         #define  wxStrspn    strspn
 637         #define  wxStrstr    strstr
 638         #define  wxStrtod    strtod
 639         #ifdef HAVE_STRTOK_R
 640             #define  wxStrtok(str, sep, last)    strtok_r(str, sep, last)
 641         #endif
 642         #define  wxStrtol    strtol
 643         #define  wxStrtoul   strtoul
 644         #define  wxStrxfrm   strxfrm
 645
 646         /* stdio.h functions */
 647         #define  wxFopen     fopen
 648         #define  wxFreopen   freopen
 649         #define  wxRemove    remove
 650         #define  wxRename    rename
 651
 652         #define  wxPerror    perror
 653         #define  wxTmpnam    tmpnam
 654
 655         #define  wxFgetc     fgetc
 656         #define  wxFgetchar  fgetchar
 657         #define  wxFgets     fgets
 658         #define  wxFputc     fputc
 659         #define  wxFputs     fputs
 660         #define  wxFputchar  fputchar
 661         #define  wxFprintf   fprintf
 662         #define  wxFscanf    fscanf
 663         #define  wxGetc      getc
 664         #define  wxGetchar   getchar
 665         #define  wxGets      gets
 666         #define  wxPrintf    printf
 667         #define  wxPutc      putc
 668         #define  wxPutchar   putchar
 669         #define  wxPuts      puts
 670         #define  wxScanf     scanf
 671         #define  wxSprintf   sprintf
 672         #define  wxSscanf    sscanf
 673         #define  wxUngetc    ungetc
 674         #define  wxVfprintf  vfprintf
 675         #define  wxVprintf   vprintf
 676         #define  wxVsscanf   vsscanf
 677         #define  wxVsprintf  vsprintf
 678
 679         /* stdlib.h functions */
 680         #define  wxAtof      atof
 681         #define  wxAtoi      atoi
 682         #define  wxAtol      atol
 683         #define  wxGetenv    getenv
 684         #define  wxSystem    system
 685
 686         /* time.h functions */
 687         #define  wxAsctime   asctime
 688         #define  wxCtime     ctime
 689         #define  wxStrftime  strftime
 690     #endif /* Unicode/ASCII */
 691 #endif /* TCHAR-aware compilers/the others */
 692
 693 /*
 694     various special cases
 695  */
 696
 697 /* define wxStricmp and wxStrnicmp for various compilers */
 698
 699 /* note that in Unicode mode we definitely are going to need our own version */
 700 #if !defined(wxStricmp) && !wxUSE_UNICODE
 701     #if defined(__BORLANDC__) || defined(__WATCOMC__) || \
 702             defined(__SALFORDC__) || defined(__VISAGECPP__) || \
 703             defined(__EMX__) || defined(__DJGPP__)
 704         #define wxStricmp stricmp
 705         #define wxStrnicmp strnicmp
 706     #elif defined(__WXPALMOS__)
 707         /* FIXME: There is no equivalent to strnicmp in the Palm OS API.  This
 708          * quick hack should do until one can be written.
 709          */
 710         #define wxStricmp StrCaselessCompare
 711         #define wxStrnicmp strnicmp
 712     #elif defined(__SYMANTEC__) || defined(__VISUALC__) || \
 713             (defined(__MWERKS__) && defined(__INTEL__))
 714         #define wxStricmp _stricmp
 715         #define wxStrnicmp _strnicmp
 716     #elif defined(__UNIX__) || defined(__GNUWIN32__)
 717         #define wxStricmp strcasecmp
 718         #define wxStrnicmp strncasecmp
 719     /* #else -- use wxWidgets implementation */
 720     #endif
 721 #endif /* !defined(wxStricmp) */
 722
 723 /* define wxWcslen() which should be always available if wxUSE_WCHAR_T == 1 (as */
 724 /* it's used in wx/buffer.h -- and also might be used just below by wxStrlen() */
 725 /* when wxStrlen_() is #define'd as wxWcslen so do it before defining wxStrlen) */
 726 #if wxUSE_WCHAR_T
 727     #ifdef HAVE_WCSLEN
 728         #define wxWcslen wcslen
 729     #else
 730         WXDLLIMPEXP_BASE size_t wxWcslen(const wchar_t *s);
 731     #endif
 732 #endif /* wxUSE_WCHAR_T */
 733
 734 #ifdef __cplusplus
 735 /* checks whether the passed in pointer is NULL and if the string is empty */
 736 inline bool wxIsEmpty(const wxChar *p) { return !p || !*p; }
 737
 738 /* safe version of strlen() (returns 0 if passed NULL pointer) */
 739 inline size_t wxStrlen(const wxChar *psz) { return psz ? wxStrlen_(psz) : 0; }
 740 #endif
 741
 742 /*
 743     each of strdup() and wcsdup() may or may not be available but we need both
 744     of them anyhow for wx/buffer.h so we define the missing one(s) in
 745     wxchar.cpp and so we should always have both wxStrdupA and wxStrdupW
 746     defined -- if this is somehow not the case in some situations, please
 747     correct that and not the lines here
 748  */
 749 #if wxUSE_UNICODE
 750     #define wxStrdup wxStrdupW
 751 #else
 752     #define wxStrdup wxStrdupA
 753 #endif
 754
 755 #ifdef __cplusplus
 756 WXDLLIMPEXP_BASE bool wxOKlibc(); /* for internal use */
 757 #endif
 758
 759 /* printf() family saga */
 760
 761 /*
 762    For some systems vsnprintf() exists in the system libraries but not in the
 763    headers, so we need to declare it ourselves to be able to use it.
 764  */
 765 #if defined(HAVE_VSNPRINTF) && !defined(HAVE_VSNPRINTF_DECL)
 766     extern "C"
 767     int vsnprintf(char *str, size_t size, const char *format, va_list ap);
 768 #endif /* !HAVE_VSNPRINTF_DECL */
 769
 770 /*
 771    First of all, we always want to define safe snprintf() function to be used
 772    instead of sprintf(). Some compilers already have it (or rather vsnprintf()
 773    which we really need...), otherwise we implement it using our own printf()
 774    code.
 775
 776    We define function with a trailing underscore here because the real one is a
 777    wrapper around it as explained below
 778  */
 779 #ifndef wxVsnprintf_
 780     #if wxUSE_UNICODE
 781         #if defined(__MWERKS__)
 782             #define HAVE_WCSRTOMBS 1
 783             #define HAVE_VSWPRINTF 1
 784         #endif
 785         #if defined(__WATCOMC__)
 786             #define wxVsnprintf_    _vsnwprintf
 787             #define wxSnprintf_     _snwprintf
 788         #endif
 789         #if defined(HAVE__VSNWPRINTF)
 790             #define wxVsnprintf_    _vsnwprintf
 791         /* MinGW?MSVCRT has the wrong vswprintf */
 792         #elif defined(HAVE_VSWPRINTF) && !defined(__MINGW32__)
 793             #define wxVsnprintf_    vswprintf
 794         #endif
 795     #else /* ASCII */
 796         /* all versions of CodeWarrior supported by wxWidgets apparently have */
 797         /* vsnprintf() */
 798         #if defined(HAVE_VSNPRINTF) || defined(__MWERKS__) || defined(__WATCOMC__)
 799             /* assume we have snprintf() too if we have vsnprintf() */
 800             #define wxVsnprintf_    vsnprintf
 801             #define wxSnprintf_     snprintf
 802         #endif
 803     #endif
 804 #endif /* wxVsnprintf_ not defined yet */
 805
 806 #ifndef wxSnprintf_
 807     /* no [v]snprintf(), cook our own */
 808     WXDLLIMPEXP_BASE int wxSnprintf_(wxChar *buf, size_t len, const wxChar *format,
 809                                 ...) ATTRIBUTE_PRINTF_3;
 810 #endif
 811 #ifndef wxVsnprintf_
 812     WXDLLIMPEXP_BASE int wxVsnprintf_(wxChar *buf, size_t len, const wxChar *format,
 813                                  va_list argptr);
 814 #endif
 815
 816 /*
 817    In Unicode mode we need to have all standard functions such as wprintf() and
 818    so on but not all systems have them so use our own implementations in this
 819    case.
 820  */
 821 #if wxUSE_UNICODE && !defined(wxHAVE_TCHAR_SUPPORT) && !defined(HAVE_WPRINTF)
 822     #define wxNEED_WPRINTF
 823 #endif
 824
 825 /*
 826    More Unicode complications: although both ANSI C and C++ define a number of
 827    wide character functions such as wprintf(), not all environments have them.
 828    Worse, those which do have different behaviours: under Windows, %s format
 829    specifier changes its meaning in Unicode build and expects a Unicode string
 830    while under Unix/POSIX it still means an ASCII string even for wprintf() and
 831    %ls has to be used for wide strings.
 832
 833    We choose to always emulate Windows behaviour as more useful for us so even
 834    if we have wprintf() we still must wrap it in a non trivial wxPrintf().
 835
 836 */
 837
 838 #if defined(wxNEED_PRINTF_CONVERSION) || defined(wxNEED_WPRINTF)
 839     /*
 840         we need to implement all wide character printf and scanf functions
 841         either because we don't have them at all or because they don't have the
 842         semantics we need
 843      */
 844
 845     #include <stdio.h>  /* for FILE */
 846
 847     int wxScanf( const wxChar *format, ... ) ATTRIBUTE_PRINTF_1;
 848     int wxSscanf( const wxChar *str, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 849     int wxFscanf( FILE *stream, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 850     int wxVsscanf( const wxChar *str, const wxChar *format, va_list ap );
 851     int wxPrintf( const wxChar *format, ... ) ATTRIBUTE_PRINTF_1;
 852     int wxSprintf( wxChar *str, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 853     int wxFprintf( FILE *stream, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 854     int wxVfprintf( FILE *stream, const wxChar *format, va_list ap );
 855     int wxVprintf( const wxChar *format, va_list ap );
 856     int wxVsprintf( wxChar *str, const wxChar *format, va_list ap );
 857 #endif /* wxNEED_PRINTF_CONVERSION */
 858
 859 /* these 2 can be simply mapped to the versions with underscore at the end */
 860 /* if we don't have to do the conversion */
 861 /*
 862    However, if we don't have any vswprintf() at all we don't need to redefine
 863    anything as our own wxVsnprintf_() already behaves as needed.
 864 */
 865 #if defined(wxNEED_PRINTF_CONVERSION) && defined(wxVsnprintf_)
 866     int wxSnprintf( wxChar *str, size_t size, const wxChar *format, ... ) ATTRIBUTE_PRINTF_3;
 867     int wxVsnprintf( wxChar *str, size_t size, const wxChar *format, va_list ap );
 868 #else
 869     #define wxSnprintf wxSnprintf_
 870     #define wxVsnprintf wxVsnprintf_
 871 #endif
 872
 873 /*
 874     various functions which might not be available in libc and for which we
 875     provide our own replacements in wxchar.cpp
 876  */
 877
 878 /* ctype.h functions */
 879
 880 /* RN: Used only under OSX <= 10.2 currently */
 881 #ifdef wxNEED_WX_CTYPE_H
 882     WXDLLIMPEXP_BASE int wxIsalnum(wxChar ch);
 883     WXDLLIMPEXP_BASE int wxIsalpha(wxChar ch);
 884     WXDLLIMPEXP_BASE int wxIscntrl(wxChar ch);
 885     WXDLLIMPEXP_BASE int wxIsdigit(wxChar ch);
 886     WXDLLIMPEXP_BASE int wxIsgraph(wxChar ch);
 887     WXDLLIMPEXP_BASE int wxIslower(wxChar ch);
 888     WXDLLIMPEXP_BASE int wxIsprint(wxChar ch);
 889     WXDLLIMPEXP_BASE int wxIspunct(wxChar ch);
 890     WXDLLIMPEXP_BASE int wxIsspace(wxChar ch);
 891     WXDLLIMPEXP_BASE int wxIsupper(wxChar ch);
 892     WXDLLIMPEXP_BASE int wxIsxdigit(wxChar ch);
 893     WXDLLIMPEXP_BASE int wxTolower(wxChar ch);
 894     WXDLLIMPEXP_BASE int wxToupper(wxChar ch);
 895 #endif /* wxNEED_WX_CTYPE_H */
 896
 897 /* under VC++ 6.0 isspace() returns 1 for 8 bit chars which completely breaks */
 898 /* the file parsing -- this may be true for 5.0 as well, update #ifdef then */
 899 #if defined(__VISUALC__) && (__VISUALC__ >= 1200) && !wxUSE_UNICODE
 900     #undef wxIsspace
 901     #define wxIsspace(c) ((((unsigned)c) < 128) && isspace(c))
 902 #endif /* VC++ */
 903
 904 /*
 905    a few compilers don't have the (non standard but common) isascii function,
 906    define it ourselves for them
 907  */
 908 #ifndef isascii
 909     #if defined(__MWERKS__)
 910         #define wxNEED_ISASCII
 911     #elif defined(_WIN32_WCE)
 912         #if _WIN32_WCE <= 211
 913             #define wxNEED_ISASCII
 914         #endif
 915     #endif
 916 #endif /* isascii */
 917
 918 #ifdef wxNEED_ISASCII
 919     inline int isascii(int c) { return (unsigned)c < 0x80; }
 920 #endif
 921
 922 #ifdef _WIN32_WCE
 923     #if _WIN32_WCE <= 211
 924         #define isspace(c) ((c) == _T(' ') || (c) == _T('\t'))
 925     #endif
 926 #endif /* _WIN32_WCE */
 927
 928 /*
 929    we had goofed and defined wxIsctrl() instead of (correct) wxIscntrl() in the
 930    initial versions of this header -- now it is too late to remove it so
 931    although we fixed the function/macro name above, still provide the
 932    backwards-compatible synonym.
 933  */
 934 #define wxIsctrl wxIscntrl
 935
 936 /* string.h functions */
 937 #ifndef strdup
 938     #if defined(__MWERKS__) && !defined(__MACH__) && (__MSL__ < 0x00008000)
 939         #define wxNEED_STRDUP
 940     #elif defined(__WXWINCE__)
 941         #if _WIN32_WCE <= 211
 942             #define wxNEED_STRDUP
 943         #endif
 944     #endif
 945 #endif /* strdup */
 946
 947 #ifdef wxNEED_STRDUP
 948     WXDLLIMPEXP_BASE char *strdup(const char* s);
 949 #endif
 950
 951 /* RN: Used only under OSX <= 10.2 currently
 952    The __cplusplus ifdefs are messy, but they are required to build
 953    the regex library, since c does not support function overloading
 954 */
 955 #ifdef wxNEED_WX_STRING_H
 956 # ifdef __cplusplus
 957     extern "C" {
 958 # endif
 959         WXDLLIMPEXP_BASE wxChar * wxStrcat(wxChar *dest, const wxChar *src);
 960         WXDLLIMPEXP_BASE const wxChar * wxStrchr(const wxChar *s, wxChar c);
 961         WXDLLIMPEXP_BASE int      wxStrcmp(const wxChar *s1, const wxChar *s2);
 962         WXDLLIMPEXP_BASE int      wxStrcoll(const wxChar *s1, const wxChar *s2);
 963         WXDLLIMPEXP_BASE wxChar * wxStrcpy(wxChar *dest, const wxChar *src);
 964         WXDLLIMPEXP_BASE size_t   wxStrcspn(const wxChar *s, const wxChar *reject);
 965         WXDLLIMPEXP_BASE wxChar * wxStrncat(wxChar *dest, const wxChar *src, size_t n);
 966         WXDLLIMPEXP_BASE int      wxStrncmp(const wxChar *s1, const wxChar *s2, size_t n);
 967         WXDLLIMPEXP_BASE wxChar * wxStrncpy(wxChar *dest, const wxChar *src, size_t n);
 968         WXDLLIMPEXP_BASE const wxChar * wxStrpbrk(const wxChar *s, const wxChar *accept);
 969         WXDLLIMPEXP_BASE const wxChar * wxStrrchr(const wxChar *s, wxChar c);
 970         WXDLLIMPEXP_BASE size_t   wxStrspn(const wxChar *s, const wxChar *accept);
 971         WXDLLIMPEXP_BASE const wxChar * wxStrstr(const wxChar *haystack, const wxChar *needle);
 972 # ifdef __cplusplus
 973     }
 974 # endif
 975
 976     /* These functions use C++, so we can't c extern them */
 977     WXDLLIMPEXP_BASE double   wxStrtod(const wxChar *nptr, wxChar **endptr);
 978     WXDLLIMPEXP_BASE long int wxStrtol(const wxChar *nptr, wxChar **endptr, int base);
 979     WXDLLIMPEXP_BASE unsigned long int wxStrtoul(const wxChar *nptr, wxChar **endptr, int base);
 980     WXDLLIMPEXP_BASE size_t   wxStrxfrm(wxChar *dest, const wxChar *src, size_t n);
 981
 982     /* inlined versions */
 983     #ifdef __cplusplus
 984         inline wxChar * wxStrchr(wxChar *s, wxChar c)
 985             { return (wxChar *)wxStrchr((const wxChar *)s, c); }
 986         inline wxChar * wxStrpbrk(wxChar *s, const wxChar *accept)
 987             { return (wxChar *)wxStrpbrk((const wxChar *)s, accept); }
 988         inline wxChar * wxStrrchr(wxChar *s, wxChar c)
 989             { return (wxChar *)wxStrrchr((const wxChar *)s, c); }
 990         inline wxChar *wxStrstr(wxChar *haystack, const wxChar *needle)
 991             { return (wxChar *)wxStrstr((const wxChar *)haystack, needle); }
 992     #endif
 993
 994 #endif /* wxNEED_WX_STRING_H */
 995
 996 #ifndef wxStrdupA
 997 WXDLLIMPEXP_BASE char *wxStrdupA(const char *psz);
 998 #endif
 999
1000 #ifndef wxStrdupW
1001 WXDLLIMPEXP_BASE wchar_t *wxStrdupW(const wchar_t *pwz);
1002 #endif
1003
1004 #ifndef wxStricmp
1005 WXDLLIMPEXP_BASE int wxStricmp(const wxChar *psz1, const wxChar *psz2);
1006 #endif
1007
1008 #ifndef wxStrnicmp
1009 WXDLLIMPEXP_BASE int wxStrnicmp(const wxChar *psz1, const wxChar *psz2, size_t len);
1010 #endif
1011
1012 #ifndef wxStrtok
1013 WXDLLIMPEXP_BASE wxChar * wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_ptr);
1014 #endif
1015
1016 #ifdef __cplusplus
1017 #ifndef wxSetlocale
1018 class WXDLLIMPEXP_BASE wxWCharBuffer;
1019 WXDLLIMPEXP_BASE wxWCharBuffer wxSetlocale(int category, const wxChar *locale);
1020 #endif
1021 #endif
1022
1023 /* stdio.h functions */
1024 #ifdef wxNEED_WX_STDIO_H
1025     #include <stdio.h>
1026     WXDLLIMPEXP_BASE FILE *   wxFopen(const wxChar *path, const wxChar *mode);
1027     WXDLLIMPEXP_BASE FILE *   wxFreopen(const wxChar *path, const wxChar *mode, FILE *stream);
1028     WXDLLIMPEXP_BASE int      wxRemove(const wxChar *path);
1029     WXDLLIMPEXP_BASE int      wxRename(const wxChar *oldpath, const wxChar *newpath);
1030
1031     /* *printf() family is handled separately */
1032 #endif /* wxNEED_WX_STDIO_H */
1033
1034
1035 /* stdlib.h functions */
1036 #ifndef wxAtof
1037 WXDLLIMPEXP_BASE double   wxAtof(const wxChar *psz);
1038 #endif
1039
1040 #ifdef wxNEED_WX_STDLIB_H
1041 WXDLLIMPEXP_BASE int      wxAtoi(const wxChar *psz);
1042 WXDLLIMPEXP_BASE long     wxAtol(const wxChar *psz);
1043 WXDLLIMPEXP_BASE wxChar * wxGetenv(const wxChar *name);
1044 WXDLLIMPEXP_BASE int      wxSystem(const wxChar *psz);
1045 #endif
1046
1047
1048 /* time.h functions */
1049 #ifdef wxNEED_WX_TIME_H
1050 #if defined(__MWERKS__) && defined(macintosh)
1051     #include <time.h>
1052 #endif
1053     /*silent gabby compilers*/
1054     struct tm;
1055     WXDLLIMPEXP_BASE size_t wxStrftime(wxChar *s, size_t max,
1056                                   const wxChar *fmt, const struct tm *tm);
1057 #endif /* wxNEED_WX_TIME_H */
1058
1059 #ifndef wxCtime
1060 #include <time.h>
1061 WXDLLIMPEXP_BASE wxChar *wxCtime(const time_t *timep);
1062 #endif
1063
1064
1065 /* missing functions in some WinCE versions */
1066 #ifdef _WIN32_WCE
1067 #if (_WIN32_WCE < 300)
1068 WXDLLIMPEXP_BASE void *calloc( size_t num, size_t size );
1069 #endif
1070 #endif /* _WIN32_WCE */
1071
1072 /* multibyte to wide char conversion functions and macros */
1073
1074 #if wxUSE_WCHAR_T
1075     /* multibyte<->widechar conversion */
1076     WXDLLIMPEXP_BASE size_t wxMB2WC(wchar_t *buf, const char *psz, size_t n);
1077     WXDLLIMPEXP_BASE size_t wxWC2MB(char *buf, const wchar_t *psz, size_t n);
1078
1079     #if wxUSE_UNICODE
1080         #define wxMB2WX wxMB2WC
1081         #define wxWX2MB wxWC2MB
1082         #define wxWC2WX wxStrncpy
1083         #define wxWX2WC wxStrncpy
1084     #else
1085         #define wxMB2WX wxStrncpy
1086         #define wxWX2MB wxStrncpy
1087         #define wxWC2WX wxWC2MB
1088         #define wxWX2WC wxMB2WC
1089     #endif
1090 #else /* !wxUSE_UNICODE */
1091 /* Why is this here?
1092 #error ha */
1093     /* No wxUSE_WCHAR_T: we have to do something (JACS) */
1094     #define wxMB2WC wxStrncpy
1095     #define wxWC2MB wxStrncpy
1096     #define wxMB2WX wxStrncpy
1097     #define wxWX2MB wxStrncpy
1098     #define wxWC2WX wxWC2MB
1099     #define wxWX2WC wxMB2WC
1100 #endif
1101
1102 /*
1103     RN:  The following are not normal versions of memcpy et al., rather
1104     these are either char or widechar versions depending on
1105     if unicode is used or not.
1106 */
1107
1108 #ifdef __cplusplus
1109
1110     //
1111     //  RN: We could do the usual tricky compiler detection here,
1112     //  and use their variant (such as wmemchr, etc.).  The problem
1113     //  is that these functions are quite rare, even though they are
1114     //  part of the current POSIX standard.  In addition, most compilers
1115     //  (including even MSC) inline them just like we do right in their
1116     //  headers.
1117     //
1118     #if wxUSE_UNICODE
1119         #include <string.h> //for mem funcs
1120
1121         //implement our own wmem variants
1122         inline wxChar* wxTmemchr(const wxChar* s, wxChar c, size_t l)
1123         {
1124             for(;l && *s != c;--l, ++s) {}
1125
1126             if(l)
1127                 return (wxChar*)s;
1128             return NULL;
1129         }
1130
1131         inline int wxTmemcmp(const wxChar* sz1, const wxChar* sz2, size_t len)
1132         {
1133             for(; *sz1 == *sz2 && len; --len, ++sz1, ++sz2) {}
1134
1135             if(len)
1136                 return *sz1 < *sz2 ? -1 : *sz1 > *sz2;
1137             else
1138                 return 0;
1139         }
1140
1141         inline wxChar* wxTmemcpy(wxChar* szOut, const wxChar* szIn, size_t len)
1142         {
1143             return (wxChar*) memcpy(szOut, szIn, len * sizeof(wxChar));
1144         }
1145
1146         inline wxChar* wxTmemmove(wxChar* szOut, const wxChar* szIn, size_t len)
1147         {
1148             return (wxChar*) memmove(szOut, szIn, len * sizeof(wxChar));
1149         }
1150
1151         inline wxChar* wxTmemset(wxChar* szOut, const wxChar cIn, size_t len)
1152         {
1153             wxChar* szRet = szOut;
1154
1155             while (len--)
1156                 *szOut++ = cIn;
1157
1158             return szRet;
1159         }
1160
1161     #else //!wxUSE_UNICODE
1162     #   define wxTmemchr memchr
1163     #   define wxTmemcmp memcmp
1164     #   define wxTmemcpy memcpy
1165     #   define wxTmemmove memmove
1166     #   define wxTmemset memset
1167     #endif
1168
1169 #endif /*__cplusplus*/
1170
1171
1172 #endif /* _WX_WXCHAR_H_ */
1173