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 Joel Farley, Ove Kåven, Robert Roebling, Ron Lee
   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 #if defined(HAVE_STRTOK_R) && defined(__DARWIN__) && defined(_MSL_USING_MW_C_HEADERS) && _MSL_USING_MW_C_HEADERS
  24     char *strtok_r(char *, const char *, char **);
  25 #endif
  26
  27 /* check whether we have wchar_t and which size it is if we do */
  28 #if !defined(wxUSE_WCHAR_T)
  29     #if defined(__UNIX__)
  30         #if defined(HAVE_WCSTR_H) || defined(HAVE_WCHAR_H) || defined(__FreeBSD__) || defined(__DARWIN__)
  31             #define wxUSE_WCHAR_T 1
  32         #else
  33             #define wxUSE_WCHAR_T 0
  34         #endif
  35     #elif defined(__GNUWIN32__) && !defined(__MINGW32__)
  36         #define wxUSE_WCHAR_T 0
  37     #elif defined(__WATCOMC__)
  38         #define wxUSE_WCHAR_T 0
  39     #elif defined(__VISAGECPP__) && (__IBMCPP__ < 400)
  40         #define wxUSE_WCHAR_T 0
  41     #else
  42         /* add additional compiler checks if this fails */
  43         #define wxUSE_WCHAR_T 1
  44     #endif
  45 #endif /* !defined(wxUSE_WCHAR_T) */
  46
  47 /* Unicode support requires wchar_t */
  48 #if wxUSE_UNICODE && !wxUSE_WCHAR_T
  49     #error "wchar_t must be available in Unicode build"
  50 #endif /* Unicode */
  51
  52 /*
  53     Standard headers we need here.
  54
  55     NB: don't include any wxWidgets headers here because almost of them include
  56         this one!
  57  */
  58
  59 /* Required for wxPrintf() etc */
  60 #include <stdarg.h>
  61
  62 /* Almost all compiler have strdup(), but not quite all: CodeWarrior under Mac */
  63 /* and VC++ for Windows CE don't provide it */
  64 #if !(defined(__MWERKS__) && defined(__WXMAC__)) && !defined(__WXWINCE__)
  65     /* use #define, not inline wrapper, as it is tested with #ifndef below */
  66     #define wxStrdupA strdup
  67 #endif
  68
  69 /*
  70    non Unix compilers which do have wchar.h (but not tchar.h which is included
  71    below and which includes wchar.h anyhow).
  72
  73    Actually MinGW has tchar.h, but it does not include wchar.h
  74  */
  75 #if defined(__MWERKS__) || defined(__VISAGECPP__) || defined(__MINGW32__) || defined(__WATCOMC__)
  76     #ifndef HAVE_WCHAR_H
  77         #define HAVE_WCHAR_H
  78     #endif
  79 #endif
  80 #if defined(__MWERKS__) && !defined(__MACH__)
  81     #ifndef HAVE_WCSLEN
  82         #define HAVE_WCSLEN
  83     #endif
  84 #endif
  85
  86 #if wxUSE_WCHAR_T
  87     #ifdef HAVE_WCHAR_H
  88         /* the current (as of Nov 2002) version of cygwin has a bug in its */
  89         /* wchar.h -- there is no extern "C" around the declarations in it and */
  90         /* this results in linking errors later; also, at least on some */
  91         /* Cygwin versions, wchar.h requires sys/types.h */
  92         #ifdef __CYGWIN__
  93             #include <sys/types.h>
  94             #ifdef __cplusplus
  95                 extern "C" {
  96             #endif
  97         #endif /* Cygwin */
  98
  99         #include <wchar.h>
 100
 101         #if defined(__CYGWIN__) && defined(__cplusplus)
 102             }
 103         #endif /* Cygwin and C++ */
 104
 105     #elif defined(HAVE_WCSTR_H)
 106         /* old compilers have relevant declarations here */
 107         #include <wcstr.h>
 108     #elif defined(__FreeBSD__) || defined(__DARWIN__) || defined(__EMX__)
 109         /* include stdlib.h for wchar_t */
 110         #include <stdlib.h>
 111     #endif /* HAVE_WCHAR_H */
 112 #endif /* wxUSE_WCHAR_T */
 113
 114 /* ---------------------------------------------------------------------------- */
 115 /* define wxHAVE_TCHAR_SUPPORT for the compilers which support the TCHAR type */
 116 /* mapped to either char or wchar_t depending on the ASCII/Unicode mode and have */
 117 /* the function mapping _tfoo() -> foo() or wfoo() */
 118 /* ---------------------------------------------------------------------------- */
 119
 120 /* VC++ and BC++ starting with 5.2 have TCHAR support */
 121 #ifdef __VISUALC__
 122     #define wxHAVE_TCHAR_SUPPORT
 123 #elif defined(__BORLANDC__) && (__BORLANDC__ >= 0x520)
 124     #define wxHAVE_TCHAR_SUPPORT
 125     #include <ctype.h>
 126 #elif defined(__WATCOMC__)
 127     #define wxHAVE_TCHAR_SUPPORT
 128 #elif defined(__DMC__)
 129     #define wxHAVE_TCHAR_SUPPORT
 130 #elif defined(__WXPALMOS__)
 131     #include <stddef.h>
 132 #elif defined(__MINGW32__) && wxCHECK_W32API_VERSION( 1, 0 )
 133     #define wxHAVE_TCHAR_SUPPORT
 134     #include <stddef.h>
 135     #include <string.h>
 136     #include <ctype.h>
 137 #elif 0 && defined(__VISAGECPP__) && (__IBMCPP__ >= 400)
 138     /* VZ: the old VisualAge definitions were completely wrong and had no */
 139     /*     chance at all to work in Unicode build anyhow so let's pretend that */
 140     /*     VisualAge does _not_ support TCHAR for the moment (as indicated by */
 141     /*     "0 &&" above) until someone really has time to delve into Unicode */
 142     /*     issues under OS/2 */
 143
 144     /* VisualAge 4.0+ supports TCHAR */
 145     #define wxHAVE_TCHAR_SUPPORT
 146 #endif /* compilers with (good) TCHAR support */
 147
 148 #ifdef __MWERKS__
 149     #define HAVE_WPRINTF
 150 #endif
 151
 152 #ifdef wxHAVE_TCHAR_SUPPORT
 153     /* get TCHAR definition if we've got it */
 154     #include <tchar.h>
 155
 156     /* we surely do have wchar_t if we have TCHAR */
 157     #ifndef wxUSE_WCHAR_T
 158         #define wxUSE_WCHAR_T 1
 159     #endif /* !defined(wxUSE_WCHAR_T) */
 160
 161     /* and we also do have wcslen() */
 162     #ifndef HAVE_WCSLEN
 163         #define HAVE_WCSLEN
 164     #endif
 165 #endif /* wxHAVE_TCHAR_SUPPORT */
 166
 167 /* ---------------------------------------------------------------------------- */
 168 /* define wxChar type */
 169 /* ---------------------------------------------------------------------------- */
 170
 171 /* TODO: define wxCharInt to be equal to either int or wint_t? */
 172
 173 #if !wxUSE_UNICODE
 174     typedef char wxChar;
 175     typedef signed char wxSChar;
 176     typedef unsigned char wxUChar;
 177 #else /* Unicode */
 178     /* VZ: note that VC++ defines _T[SU]CHAR simply as wchar_t and not as */
 179     /*     signed/unsigned version of it which (a) makes sense to me (unlike */
 180     /*     char wchar_t is always unsigned) and (b) was how the previous */
 181     /*     definitions worked so keep it like this */
 182
 183     /* GNU libc has __WCHAR_TYPE__ which requires special treatment, see */
 184     /* comment below */
 185     #if !defined(__WCHAR_TYPE__) || \
 186         (!defined(__GNUC__) || wxCHECK_GCC_VERSION(2, 96))
 187         /* standard case */
 188         typedef wchar_t wxChar;
 189         typedef wchar_t wxSChar;
 190         typedef wchar_t wxUChar;
 191     #else /* __WCHAR_TYPE__ and gcc < 2.96 */
 192         /* VS: wxWidgets used to define wxChar as __WCHAR_TYPE__ here. However, */
 193         /*     this doesn't work with new GCC 3.x compilers because wchar_t is */
 194         /*     C++'s builtin type in the new standard. OTOH, old compilers (GCC */
 195         /*     2.x) won't accept new definition of wx{S,U}Char, therefore we */
 196         /*     have to define wxChar conditionally depending on detected */
 197         /*     compiler & compiler version. */
 198         /*     with old definition of wxChar. */
 199         typedef __WCHAR_TYPE__ wxChar;
 200         typedef __WCHAR_TYPE__ wxSChar;
 201         typedef __WCHAR_TYPE__ wxUChar;
 202     #endif /* __WCHAR_TYPE__ */
 203 #endif /* ASCII/Unicode */
 204
 205 /* ---------------------------------------------------------------------------- */
 206 /* define _T() and related macros */
 207 /* ---------------------------------------------------------------------------- */
 208
 209 /* BSD systems define _T() to be something different in ctype.h, override it */
 210 #if defined(__FreeBSD__) || defined(__DARWIN__)
 211     #include <ctype.h>
 212     #undef _T
 213 #endif
 214
 215 /* could already be defined by tchar.h (it's quasi standard) */
 216 #ifndef _T
 217     #if !wxUSE_UNICODE
 218         #define _T(x) x
 219     #else /* Unicode */
 220         #define _T(x) L ## x
 221     #endif /* ASCII/Unicode */
 222 #endif /* !defined(_T) */
 223
 224 /* although global macros with such names are normally bad, we want to have */
 225 /* another name for _T() which should be used to avoid confusion between _T() */
 226 /* and _() in wxWidgets sources */
 227 #define wxT(x)       _T(x)
 228
 229 /* Unicode-friendly __FILE__, __DATE__ and __TIME__ analogs */
 230 #ifndef __TFILE__
 231     #define __XFILE__(x) wxT(x)
 232     #define __TFILE__ __XFILE__(__FILE__)
 233 #endif
 234
 235 #ifndef __TDATE__
 236     #define __XDATE__(x) wxT(x)
 237     #define __TDATE__ __XDATE__(__DATE__)
 238 #endif
 239
 240 #ifndef __TTIME__
 241     #define __XTIME__(x) wxT(x)
 242     #define __TTIME__ __XTIME__(__TIME__)
 243 #endif
 244
 245 /*
 246     define wxFoo() function for each standard foo() function whose signature
 247     (exceptionally including the return type) includes any mention of char:
 248     wxFoo() is going to be a Unicode-friendly version of foo(), i.e. will have
 249     the same signature but with char replaced by wxChar which allows us to use
 250     it in Unicode build as well
 251  */
 252
 253 #ifdef wxHAVE_TCHAR_SUPPORT
 254     #include <ctype.h>
 255
 256     #if defined(__WATCOMC__) && defined(UNICODE)
 257       #define WXWCHAR_T_CAST(c) (wint_t)(c)
 258     #else
 259       #define WXWCHAR_T_CAST(c) c
 260     #endif
 261
 262     /* ctype.h functions */
 263     #define  wxIsalnum(c)   _istalnum(WXWCHAR_T_CAST(c))
 264     #define  wxIsalpha(c)   _istalpha(WXWCHAR_T_CAST(c))
 265     #define  wxIscntrl(c)   _istcntrl(WXWCHAR_T_CAST(c))
 266     #define  wxIsdigit(c)   _istdigit(WXWCHAR_T_CAST(c))
 267     #define  wxIsgraph(c)   _istgraph(WXWCHAR_T_CAST(c))
 268     #define  wxIslower(c)   _istlower(WXWCHAR_T_CAST(c))
 269     #define  wxIsprint(c)   _istprint(WXWCHAR_T_CAST(c))
 270     #define  wxIspunct(c)   _istpunct(WXWCHAR_T_CAST(c))
 271     #define  wxIsspace(c)   _istspace(WXWCHAR_T_CAST(c))
 272     #define  wxIsupper(c)   _istupper(WXWCHAR_T_CAST(c))
 273     #define  wxIsxdigit(c)  _istxdigit(WXWCHAR_T_CAST(c))
 274
 275     /*
 276        There is a bug in VC6 C RTL: toxxx() functions dosn't do anything with
 277        signed chars < 0, so "fix" it here.
 278      */
 279     #define  wxTolower(c) _totlower((wxUChar)(c))
 280     #define  wxToupper(c) _totupper((wxUChar)(c))
 281
 282     /* locale.h functons */
 283     #define  wxSetlocale _tsetlocale
 284
 285     /* string.h functions */
 286     #define  wxStrcat    _tcscat
 287     #define  wxStrchr    _tcschr
 288     #define  wxStrcmp    _tcscmp
 289     #define  wxStrcoll   _tcscoll
 290     #define  wxStrcpy    _tcscpy
 291     #define  wxStrcspn   _tcscspn
 292     #define  wxStrdupW   _wcsdup        /* notice the 'W'! */
 293     #define  wxStrftime  _tcsftime
 294     #define  wxStricmp   _tcsicmp
 295     #define  wxStrnicmp  _tcsnicmp
 296     #define  wxStrlen_   _tcslen        /* used in wxStrlen inline function */
 297     #define  wxStrncat   _tcsncat
 298     #define  wxStrncmp   _tcsncmp
 299     #define  wxStrncpy   _tcsncpy
 300     #define  wxStrpbrk   _tcspbrk
 301     #define  wxStrrchr   _tcsrchr
 302     #define  wxStrspn    _tcsspn
 303     #define  wxStrstr    _tcsstr
 304     #define  wxStrtod    _tcstod
 305     #define  wxStrtol    _tcstol
 306     #define  wxStrtoul   _tcstoul
 307     #define  wxStrxfrm   _tcsxfrm
 308
 309     /* stdio.h functions */
 310     #define  wxFgetc     _fgettc
 311     #define  wxFgetchar  _fgettchar
 312     #define  wxFgets     _fgetts
 313     #if wxUSE_UNICODE_MSLU
 314         #define  wxFopen    wxMSLU__tfopen
 315     #else
 316         #define  wxFopen     _tfopen
 317     #endif
 318     #define  wxFputc     _fputtc
 319     #define  wxFputchar  _fputtchar
 320     #define  wxFprintf   _ftprintf
 321     #define  wxFputs     _fputts
 322     #define  wxFreopen   _tfreopen
 323     #define  wxFscanf    _ftscanf
 324     #define  wxGetc      _gettc
 325     #define  wxGetchar   _gettchar
 326     #define  wxGets      _getts
 327     #define  wxPerror    _tperror
 328     #define  wxPrintf    _tprintf
 329     #define  wxPutc(c,f) _puttc(WXWCHAR_T_CAST(c),f)
 330     #define  wxPutchar   _puttchar
 331     #define  wxPuts      _putts
 332     #define  wxScanf     _tscanf
 333     #if defined(__DMC__)
 334         #if wxUSE_UNICODE
 335             /* Digital Mars adds count to _stprintf (C99) so prototype conversion see wxchar.cpp */
 336             int wxSprintf (wchar_t * __RESTRICT s, const wchar_t * __RESTRICT format, ... ) ;
 337         #else
 338             /* and there is a bug in D Mars tchar.h prior to 8.39.4n, so define as sprintf */
 339             #define wxSprintf sprintf
 340         #endif
 341     #else
 342         #define  wxSprintf   _stprintf
 343     #endif
 344
 345     #define  wxSscanf    _stscanf
 346     #define  wxTmpnam    _ttmpnam
 347     #define  wxUngetc    _tungetc
 348     #define  wxVfprintf  _vftprintf
 349     #define  wxVprintf   _vtprintf
 350     #define  wxVsscanf   _vstscanf
 351     #define  wxVsprintf  _vstprintf
 352
 353     /* special case: not all TCHAR-aware compilers have those */
 354     #if defined(__VISUALC__) || \
 355             (defined(__BORLANDC__) && __BORLANDC__ >= 0x540)
 356         #define wxVsnprintf_    _vsntprintf
 357         #define wxSnprintf_     _sntprintf
 358     #endif
 359
 360     /* special case: these functions are missing under Win9x with Unicows so we */
 361     /* have to implement them ourselves */
 362     #if wxUSE_UNICODE_MSLU
 363         #define  wxRemove    wxMSLU__tremove
 364         #define  wxRename    wxMSLU__trename
 365     #else
 366         #ifdef __WXWINCE__
 367             /* carefully: wxRemove() must return 0 on success while DeleteFile()
 368                returns 0 on error, so don't just define one as the other */
 369             int wxRemove(const wxChar *path);
 370         #else
 371             #define  wxRemove    _tremove
 372             #define  wxRename    _trename
 373         #endif
 374     #endif
 375
 376     /* stdlib.h functions */
 377     #define  wxAtoi      _ttoi
 378     #define  wxAtol      _ttol
 379     /* #define  wxAtof   _tttof -- notice that there is no such thing (why?) */
 380     /* there are no env vars at all under CE, so no _tgetenv neither */
 381     #ifdef __WXWINCE__
 382         /* can't define as inline function as this is a C file... */
 383         #define wxGetenv(name)  ((wxChar *)NULL)
 384     #else
 385         #define  wxGetenv    _tgetenv
 386     #endif
 387     #define  wxSystem    _tsystem
 388
 389     /* time.h functions */
 390     #define  wxAsctime   _tasctime
 391     #define  wxCtime     _tctime
 392
 393     #define wxMbstowcs mbstowcs
 394     #define wxWcstombs wcstombs
 395 #else /* !TCHAR-aware compilers */
 396
 397     #if !defined(__MWERKS__) && defined(__DARWIN__) && ( MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_2 )
 398         /* even though they are defined and "implemented", they are bad and just
 399            stubs so we need our own - we need these even in ANSI builds!! */
 400         WXDLLIMPEXP_BASE size_t wxMbstowcs (wchar_t *, const char *, size_t);
 401         WXDLLIMPEXP_BASE size_t wxWcstombs (char *, const wchar_t *, size_t);
 402     #else
 403         #define wxMbstowcs mbstowcs
 404         #define wxWcstombs wcstombs
 405     #endif
 406
 407     /* No UNICODE in the c library except wchar_t typedef on mac OSX 10.2 and less - roll our own */
 408     #if !defined(__MWERKS__) && wxUSE_UNICODE && defined(__DARWIN__) && ( MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_2 )
 409
 410         /* we need everything! */
 411         #define wxNEED_WX_STRING_H
 412         #define wxNEED_WX_CTYPE_H
 413
 414         #define  wxFgetchar(c)  wxFgetc(c, stdin)
 415         #define  wxFputc     wxPutc
 416         #define  wxFputchar(c)  wxPutc(c, stdout)
 417         #define  wxGetc      wxFgetc
 418         #define  wxGetchar(c)   wxFgetc(c, stdin)
 419
 420         #include <stdio.h>
 421
 422         #define wxNEED_FGETC
 423         #define wxNEED_FGETS
 424         #define wxNEED_GETS
 425         #define wxNEED_UNGETC
 426
 427         #define wxNEED_FPUTS
 428         #define wxNEED_PUTS
 429         #define wxNEED_PUTC
 430
 431         int wxFputs(const wxChar *ch, FILE *stream);
 432         int wxPuts(const wxChar *ws);
 433         int wxPutc(wxChar ch, FILE *stream);
 434
 435         #ifdef __cplusplus
 436         extern "C" {
 437         #endif
 438             WXDLLIMPEXP_BASE size_t   wxStrlen_(const wxChar *s);
 439         #ifdef __cplusplus
 440         }
 441         #endif
 442
 443         #define wxPutchar(wch) wxPutc(wch, stdout)
 444
 445         #define wxNEED_PRINTF_CONVERSION
 446         #define wxNEED_WX_STDIO_H
 447         #define wxNEED_WX_STDLIB_H
 448         #define wxNEED_WX_TIME_H
 449
 450     #elif wxUSE_UNICODE
 451         #include <wctype.h>
 452
 453         /* this is probably glibc-specific */
 454         #if defined(__WCHAR_TYPE__) && !defined(__MWERKS__)
 455             /* ctype.h functions (wctype.h) */
 456             #define  wxIsalnum   iswalnum
 457             #define  wxIsalpha   iswalpha
 458             #define  wxIscntrl   iswcntrl
 459             #define  wxIsdigit   iswdigit
 460             #define  wxIsgraph   iswgraph
 461             #define  wxIslower   iswlower
 462             #define  wxIsprint   iswprint
 463             #define  wxIspunct   iswpunct
 464             #define  wxIsspace   iswspace
 465             #define  wxIsupper   iswupper
 466             #define  wxIsxdigit  iswxdigit
 467
 468             #if defined(__GLIBC__) && (__GLIBC__ == 2) && (__GLIBC_MINOR__ == 0)
 469                 /* /usr/include/wctype.h incorrectly declares translations */
 470                 /* tables which provokes tons of compile-time warnings -- try */
 471                 /* to correct this */
 472                 #define  wxTolower(wc)   towctrans((wc), (wctrans_t)__ctype_tolower)
 473                 #define  wxToupper(wc)   towctrans((wc), (wctrans_t)__ctype_toupper)
 474             #else /* !glibc 2.0 */
 475                 #define  wxTolower   towlower
 476                 #define  wxToupper   towupper
 477             #endif /* gcc/!gcc */
 478
 479             /* string.h functions (wchar.h) */
 480             #define  wxStrcat    wcscat
 481             #define  wxStrchr    wcschr
 482             #define  wxStrcmp    wcscmp
 483             #define  wxStrcoll   wcscoll
 484             #define  wxStrcpy    wcscpy
 485             #define  wxStrcspn   wcscspn
 486             #define  wxStrlen_   wxWcslen /* wxStrlen_() is used in wxStrlen() */
 487             #define  wxStrncat   wcsncat
 488             #define  wxStrncmp   wcsncmp
 489             #define  wxStrncpy   wcsncpy
 490             #define  wxStrpbrk   wcspbrk
 491             #define  wxStrrchr   wcsrchr
 492             #define  wxStrspn    wcsspn
 493             #define  wxStrstr    wcsstr
 494             #define  wxStrtod    wcstod
 495             #define  wxStrtol    wcstol
 496             #define  wxStrtoul   wcstoul
 497             #define  wxStrxfrm   wcsxfrm
 498
 499             #define  wxFgetc     fgetwc
 500             #define  wxFgetchar  fgetwchar
 501             #define  wxFgets     fgetws
 502             #define  wxFputc     fputwc
 503             #define  wxFputchar  fputwchar
 504             #define  wxGetc      getwc
 505             #define  wxGetchar   getwchar
 506             #define  wxGets      getws
 507             #define  wxUngetc    ungetwc
 508
 509             #ifdef HAVE_FPUTWS
 510                 #define wxFputs     fputws
 511             #else
 512                 #define wxNEED_FPUTS
 513                 #include <stdio.h>
 514                 int wxFputs(const wxChar *ch, FILE *stream);
 515             #endif
 516
 517             #ifdef HAVE_WPUTC
 518                 #define wxPutc      wputc
 519             #else
 520                 #define wxNEED_PUTC
 521                 #include <stdio.h>
 522                 int wxPutc(wxChar ch, FILE *stream);
 523             #endif
 524
 525             #ifdef HAVE_WPUTCHAR
 526                 #define wxPutchar   wputchar
 527             #else
 528                 #define wxPutchar(wch) wxPutc(wch, stdout)
 529             #endif
 530
 531             #ifdef HAVE_PUTWS
 532                 #define wxPuts      putws
 533             #else
 534                 #define wxNEED_PUTS
 535                 int wxPuts(const wxChar *ws);
 536             #endif
 537
 538             /* we need %s to %ls conversion for printf and scanf etc */
 539             #define wxNEED_PRINTF_CONVERSION
 540
 541             /* glibc doesn't have wide char equivalents of the other stuff so */
 542             /* use our own versions */
 543             #define wxNEED_WX_STDIO_H
 544             #define wxNEED_WX_STDLIB_H
 545             #define wxNEED_WX_TIME_H
 546         #elif defined(__MWERKS__) && ( defined(__MSL__) || defined(__MACH__) )
 547             /* ctype.h functions (wctype.h) */
 548             #define  wxIsalnum   iswalnum
 549             #define  wxIsalpha   iswalpha
 550             #define  wxIscntrl   iswcntrl
 551             #define  wxIsdigit   iswdigit
 552             #define  wxIsgraph   iswgraph
 553             #define  wxIslower   iswlower
 554             #define  wxIsprint   iswprint
 555             #define  wxIspunct   iswpunct
 556             #define  wxIsspace   iswspace
 557             #define  wxIsupper   iswupper
 558             #define  wxIsxdigit  iswxdigit
 559             #define  wxTolower   towlower
 560             #define  wxToupper   towupper
 561
 562             /* string.h functions (wchar.h) */
 563             #define  wxStrcat    wcscat
 564             #define  wxStrchr    wcschr
 565             #define  wxStrcmp    wcscmp
 566             #define  wxStrcoll   wcscoll
 567             #define  wxStrcpy    wcscpy
 568             #define  wxStrcspn   wcscspn
 569             #define  wxStrlen_   wxWcslen /* wxStrlen_() is used in wxStrlen() */
 570             #define  wxStrncat   wcsncat
 571             #define  wxStrncmp   wcsncmp
 572             #define  wxStrncpy   wcsncpy
 573             #define  wxStrpbrk   wcspbrk
 574             #define  wxStrrchr   wcsrchr
 575             #define  wxStrspn    wcsspn
 576             #define  wxStrstr    wcsstr
 577             #define  wxStrtod    wcstod
 578             #define  wxStrtol    wcstol
 579             #define  wxStrtoul   wcstoul
 580             #define  wxStrxfrm   wcsxfrm
 581
 582             #define  wxFgetc     fgetwc
 583             #define  wxFgetchar  fgetwchar
 584             #define  wxFgets     fgetws
 585             #define  wxFputc     fputwc
 586             #define  wxFputchar  fputwchar
 587             #define  wxGetc      getwc
 588             #define  wxGetchar   getwchar
 589             #define  wxGets      getws
 590             #define  wxUngetc    ungetwc
 591
 592             #define wxNEED_PRINTF_CONVERSION
 593
 594             #define  wxPutc      putwc
 595             #define  wxPutchar   putwchar
 596             #define  wxFputs     fputws
 597
 598             /* stdio.h functions */
 599
 600             #define wxNEED_WX_STDIO_H
 601
 602             /* stdlib.h functions */
 603             #ifdef __MACH__
 604             #define wxNEED_WX_STDLIB_H
 605             #else
 606             #define  wxAtof      watof
 607             #define  wxAtoi      watoi
 608             #define  wxAtol      watol
 609             #define  wxGetenv(a)    ((wxChar*)NULL)
 610             #define  wxSystem(a)    ((int)NULL)
 611             #endif
 612             /* time.h functions */
 613             #define  wxAsctime   wasciitime
 614             #define  wxCtime     wctime
 615             /* #define  wxStrftime  wcsftime */
 616
 617             #define wxNEED_WX_TIME_H
 618         #else /* !metrowerks for apple */
 619             #error  "Please define wide character functions for your environment"
 620         #endif
 621     #else /* ASCII */
 622         #include <ctype.h>
 623         #include <string.h>
 624
 625         /* ctype.h functions */
 626         #define  wxIsalnum   isalnum
 627         #define  wxIsalpha   isalpha
 628         #define  wxIscntrl   iscntrl
 629         #define  wxIsdigit   isdigit
 630         #define  wxIsgraph   isgraph
 631         #define  wxIslower   islower
 632         #define  wxIsprint   isprint
 633         #define  wxIspunct   ispunct
 634         #define  wxIsspace   isspace
 635         #define  wxIsupper   isupper
 636         #define  wxIsxdigit  isxdigit
 637         #define  wxTolower   tolower
 638         #define  wxToupper   toupper
 639
 640          /* locale.h functons */
 641         #define  wxSetlocale setlocale
 642
 643          /* string.h functions */
 644         #define  wxStrcat    strcat
 645         #define  wxStrchr    strchr
 646         #define  wxStrcmp    strcmp
 647         #define  wxStrcoll   strcoll
 648         #define  wxStrcpy    strcpy
 649         #define  wxStrcspn   strcspn
 650
 651         /* wxStricmp and wxStrnicmp are defined below */
 652         #define  wxStrlen_   strlen /* used in wxStrlen inline function */
 653         #define  wxStrncat   strncat
 654         #define  wxStrncmp   strncmp
 655         #define  wxStrncpy   strncpy
 656         #define  wxStrpbrk   strpbrk
 657         #define  wxStrrchr   strrchr
 658         #define  wxStrspn    strspn
 659         #define  wxStrstr    strstr
 660         #define  wxStrtod    strtod
 661         #ifdef HAVE_STRTOK_R
 662             #define  wxStrtok(str, sep, last)    strtok_r(str, sep, last)
 663         #endif
 664         #define  wxStrtol    strtol
 665         #define  wxStrtoul   strtoul
 666         #define  wxStrxfrm   strxfrm
 667
 668         /* stdio.h functions */
 669         #define  wxFopen     fopen
 670         #define  wxFreopen   freopen
 671         #define  wxRemove    remove
 672         #define  wxRename    rename
 673
 674         #define  wxPerror    perror
 675         #define  wxTmpnam    tmpnam
 676
 677         #define  wxFgetc     fgetc
 678         #define  wxFgetchar  fgetchar
 679         #define  wxFgets     fgets
 680         #define  wxFputc     fputc
 681         #define  wxFputs     fputs
 682         #define  wxFputchar  fputchar
 683         #define  wxFprintf   fprintf
 684         #define  wxFscanf    fscanf
 685         #define  wxGetc      getc
 686         #define  wxGetchar   getchar
 687         #define  wxGets      gets
 688         #define  wxPrintf    printf
 689         #define  wxPutc      putc
 690         #define  wxPutchar   putchar
 691         #define  wxPuts      puts
 692         #define  wxScanf     scanf
 693         #define  wxSprintf   sprintf
 694         #define  wxSscanf    sscanf
 695         #define  wxUngetc    ungetc
 696         #define  wxVfprintf  vfprintf
 697         #define  wxVprintf   vprintf
 698         #define  wxVsscanf   vsscanf
 699         #define  wxVsprintf  vsprintf
 700
 701         /* stdlib.h functions */
 702         #define  wxAtof      atof
 703         #define  wxAtoi      atoi
 704         #define  wxAtol      atol
 705         #define  wxGetenv    getenv
 706         #define  wxSystem    system
 707
 708         /* time.h functions */
 709         #define  wxAsctime   asctime
 710         #define  wxCtime     ctime
 711         #define  wxStrftime  strftime
 712     #endif /* Unicode/ASCII */
 713 #endif /* TCHAR-aware compilers/the others */
 714
 715 /*
 716     various special cases
 717  */
 718
 719 /* define wxStricmp and wxStrnicmp for various compilers */
 720
 721 /* note that in Unicode mode we definitely are going to need our own version */
 722 #if !defined(wxStricmp) && !wxUSE_UNICODE
 723     #if defined(__BORLANDC__) || defined(__WATCOMC__) || \
 724             defined(__SALFORDC__) || defined(__VISAGECPP__) || \
 725             defined(__EMX__) || defined(__DJGPP__)
 726         #define wxStricmp stricmp
 727         #define wxStrnicmp strnicmp
 728     #elif defined(__WXPALMOS__)
 729         /* FIXME: There is no equivalent to strnicmp in the Palm OS API.  This
 730          * quick hack should do until one can be written.
 731          */
 732         #define wxStricmp StrCaselessCompare
 733         #define wxStrnicmp strnicmp
 734     #elif defined(__SYMANTEC__) || defined(__VISUALC__) || \
 735             (defined(__MWERKS__) && defined(__INTEL__))
 736         #define wxStricmp _stricmp
 737         #define wxStrnicmp _strnicmp
 738     #elif defined(__UNIX__) || defined(__GNUWIN32__)
 739         #define wxStricmp strcasecmp
 740         #define wxStrnicmp strncasecmp
 741     /* #else -- use wxWidgets implementation */
 742     #endif
 743 #endif /* !defined(wxStricmp) */
 744
 745 /* define wxWcslen() which should be always available if wxUSE_WCHAR_T == 1 (as */
 746 /* it's used in wx/buffer.h -- and also might be used just below by wxStrlen() */
 747 /* when wxStrlen_() is #define'd as wxWcslen so do it before defining wxStrlen) */
 748 #if wxUSE_WCHAR_T
 749     #ifdef HAVE_WCSLEN
 750         #define wxWcslen wcslen
 751     #else
 752         WXDLLIMPEXP_BASE size_t wxWcslen(const wchar_t *s);
 753     #endif
 754 #endif /* wxUSE_WCHAR_T */
 755
 756 #ifdef __cplusplus
 757 /* checks whether the passed in pointer is NULL and if the string is empty */
 758 inline bool wxIsEmpty(const wxChar *p) { return !p || !*p; }
 759
 760 /* safe version of strlen() (returns 0 if passed NULL pointer) */
 761 inline size_t wxStrlen(const wxChar *psz) { return psz ? wxStrlen_(psz) : 0; }
 762 #endif
 763
 764 /*
 765     each of strdup() and wcsdup() may or may not be available but we need both
 766     of them anyhow for wx/buffer.h so we define the missing one(s) in
 767     wxchar.cpp and so we should always have both wxStrdupA and wxStrdupW
 768     defined -- if this is somehow not the case in some situations, please
 769     correct that and not the lines here
 770  */
 771 #if wxUSE_UNICODE
 772     #define wxStrdup wxStrdupW
 773 #else
 774     #define wxStrdup wxStrdupA
 775 #endif
 776
 777 #ifdef __cplusplus
 778 WXDLLIMPEXP_BASE bool wxOKlibc(); /* for internal use */
 779 #endif
 780
 781 /* printf() family saga */
 782
 783 /*
 784    For some systems vsnprintf() exists in the system libraries but not in the
 785    headers, so we need to declare it ourselves to be able to use it.
 786  */
 787 #if defined(HAVE_VSNPRINTF) && !defined(HAVE_VSNPRINTF_DECL)
 788 #ifdef __cplusplus
 789     extern "C"
 790 #else
 791     extern
 792 #endif
 793     int vsnprintf(char *str, size_t size, const char *format, va_list ap);
 794 #endif /* !HAVE_VSNPRINTF_DECL */
 795
 796 /*
 797    First of all, we always want to define safe snprintf() function to be used
 798    instead of sprintf(). Some compilers already have it (or rather vsnprintf()
 799    which we really need...), otherwise we implement it using our own printf()
 800    code.
 801
 802    We define function with a trailing underscore here because the real one is a
 803    wrapper around it as explained below
 804  */
 805 #ifndef wxVsnprintf_
 806     #if wxUSE_UNICODE
 807         #if defined(__MWERKS__)
 808             #define HAVE_WCSRTOMBS 1
 809             #define HAVE_VSWPRINTF 1
 810         #endif
 811         #if defined(__WATCOMC__)
 812             #define wxVsnprintf_    _vsnwprintf
 813             #define wxSnprintf_     _snwprintf
 814         #endif
 815         #if defined(HAVE__VSNWPRINTF)
 816             #define wxVsnprintf_    _vsnwprintf
 817         /* MinGW?MSVCRT has the wrong vswprintf */
 818         #elif defined(HAVE_VSWPRINTF) && !defined(__MINGW32__)
 819             #define wxVsnprintf_    vswprintf
 820         #endif
 821     #else /* ASCII */
 822         /* all versions of CodeWarrior supported by wxWidgets apparently have */
 823         /* vsnprintf() */
 824         #if defined(HAVE_VSNPRINTF) || defined(__MWERKS__) || defined(__WATCOMC__)
 825             /* assume we have snprintf() too if we have vsnprintf() */
 826             #define wxVsnprintf_    vsnprintf
 827             #define wxSnprintf_     snprintf
 828         #endif
 829     #endif
 830 #endif /* wxVsnprintf_ not defined yet */
 831
 832 #ifndef wxSnprintf_
 833     /* no [v]snprintf(), cook our own */
 834     WXDLLIMPEXP_BASE int wxSnprintf_(wxChar *buf, size_t len, const wxChar *format,
 835                                 ...) ATTRIBUTE_PRINTF_3;
 836 #endif
 837 #ifndef wxVsnprintf_
 838     WXDLLIMPEXP_BASE int wxVsnprintf_(wxChar *buf, size_t len, const wxChar *format,
 839                                  va_list argptr);
 840 #endif
 841
 842 /*
 843    In Unicode mode we need to have all standard functions such as wprintf() and
 844    so on but not all systems have them so use our own implementations in this
 845    case.
 846  */
 847 #if wxUSE_UNICODE && !defined(wxHAVE_TCHAR_SUPPORT) && !defined(HAVE_WPRINTF)
 848     #define wxNEED_WPRINTF
 849 #endif
 850
 851 /*
 852    More Unicode complications: although both ANSI C and C++ define a number of
 853    wide character functions such as wprintf(), not all environments have them.
 854    Worse, those which do have different behaviours: under Windows, %s format
 855    specifier changes its meaning in Unicode build and expects a Unicode string
 856    while under Unix/POSIX it still means an ASCII string even for wprintf() and
 857    %ls has to be used for wide strings.
 858
 859    We choose to always emulate Windows behaviour as more useful for us so even
 860    if we have wprintf() we still must wrap it in a non trivial wxPrintf().
 861
 862 */
 863
 864 #if defined(wxNEED_PRINTF_CONVERSION) || defined(wxNEED_WPRINTF)
 865     /*
 866         we need to implement all wide character printf and scanf functions
 867         either because we don't have them at all or because they don't have the
 868         semantics we need
 869      */
 870
 871     #include <stdio.h>  /* for FILE */
 872
 873     int wxScanf( const wxChar *format, ... ) ATTRIBUTE_PRINTF_1;
 874     int wxSscanf( const wxChar *str, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 875     int wxFscanf( FILE *stream, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 876     int wxVsscanf( const wxChar *str, const wxChar *format, va_list ap );
 877     int wxPrintf( const wxChar *format, ... ) ATTRIBUTE_PRINTF_1;
 878     int wxSprintf( wxChar *str, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 879     int wxFprintf( FILE *stream, const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
 880     int wxVfprintf( FILE *stream, const wxChar *format, va_list ap );
 881     int wxVprintf( const wxChar *format, va_list ap );
 882     int wxVsprintf( wxChar *str, const wxChar *format, va_list ap );
 883 #endif /* wxNEED_PRINTF_CONVERSION */
 884
 885 /* these 2 can be simply mapped to the versions with underscore at the end */
 886 /* if we don't have to do the conversion */
 887 /*
 888    However, if we don't have any vswprintf() at all we don't need to redefine
 889    anything as our own wxVsnprintf_() already behaves as needed.
 890 */
 891 #if defined(wxNEED_PRINTF_CONVERSION) && defined(wxVsnprintf_)
 892     int wxSnprintf( wxChar *str, size_t size, const wxChar *format, ... ) ATTRIBUTE_PRINTF_3;
 893     int wxVsnprintf( wxChar *str, size_t size, const wxChar *format, va_list ap );
 894 #else
 895     #define wxSnprintf wxSnprintf_
 896     #define wxVsnprintf wxVsnprintf_
 897 #endif
 898
 899 /*
 900     various functions which might not be available in libc and for which we
 901     provide our own replacements in wxchar.cpp
 902  */
 903
 904 /* ctype.h functions */
 905
 906 /* RN: Used only under OSX <= 10.2 currently */
 907 #ifdef wxNEED_WX_CTYPE_H
 908     WXDLLIMPEXP_BASE int wxIsalnum(wxChar ch);
 909     WXDLLIMPEXP_BASE int wxIsalpha(wxChar ch);
 910     WXDLLIMPEXP_BASE int wxIscntrl(wxChar ch);
 911     WXDLLIMPEXP_BASE int wxIsdigit(wxChar ch);
 912     WXDLLIMPEXP_BASE int wxIsgraph(wxChar ch);
 913     WXDLLIMPEXP_BASE int wxIslower(wxChar ch);
 914     WXDLLIMPEXP_BASE int wxIsprint(wxChar ch);
 915     WXDLLIMPEXP_BASE int wxIspunct(wxChar ch);
 916     WXDLLIMPEXP_BASE int wxIsspace(wxChar ch);
 917     WXDLLIMPEXP_BASE int wxIsupper(wxChar ch);
 918     WXDLLIMPEXP_BASE int wxIsxdigit(wxChar ch);
 919     WXDLLIMPEXP_BASE int wxTolower(wxChar ch);
 920     WXDLLIMPEXP_BASE int wxToupper(wxChar ch);
 921 #endif /* wxNEED_WX_CTYPE_H */
 922
 923 /* under VC++ 6.0 isspace() returns 1 for 8 bit chars which completely breaks */
 924 /* the file parsing -- this may be true for 5.0 as well, update #ifdef then */
 925 #if defined(__VISUALC__) && (__VISUALC__ >= 1200) && !wxUSE_UNICODE
 926     #undef wxIsspace
 927     #define wxIsspace(c) ((((unsigned)c) < 128) && isspace(c))
 928 #endif /* VC++ */
 929
 930 /*
 931    a few compilers don't have the (non standard but common) isascii function,
 932    define it ourselves for them
 933  */
 934 #ifndef isascii
 935     #if defined(__MWERKS__)
 936         #define wxNEED_ISASCII
 937     #elif defined(_WIN32_WCE)
 938         #if _WIN32_WCE <= 211
 939             #define wxNEED_ISASCII
 940         #endif
 941     #endif
 942 #endif /* isascii */
 943
 944 #ifdef wxNEED_ISASCII
 945     inline int isascii(int c) { return (unsigned)c < 0x80; }
 946 #endif
 947
 948 #ifdef _WIN32_WCE
 949     #if _WIN32_WCE <= 211
 950         #define isspace(c) ((c) == _T(' ') || (c) == _T('\t'))
 951     #endif
 952 #endif /* _WIN32_WCE */
 953
 954 /*
 955    we had goofed and defined wxIsctrl() instead of (correct) wxIscntrl() in the
 956    initial versions of this header -- now it is too late to remove it so
 957    although we fixed the function/macro name above, still provide the
 958    backwards-compatible synonym.
 959  */
 960 #define wxIsctrl wxIscntrl
 961
 962 /* string.h functions */
 963 #ifndef strdup
 964     #if defined(__MWERKS__) && !defined(__MACH__) && (__MSL__ < 0x00008000)
 965         #define wxNEED_STRDUP
 966     #elif defined(__WXWINCE__)
 967         #if _WIN32_WCE <= 211
 968             #define wxNEED_STRDUP
 969         #endif
 970     #endif
 971 #endif /* strdup */
 972
 973 #ifdef wxNEED_STRDUP
 974     WXDLLIMPEXP_BASE char *strdup(const char* s);
 975 #endif
 976
 977 /* RN: Used only under OSX <= 10.2 currently
 978    The __cplusplus ifdefs are messy, but they are required to build
 979    the regex library, since c does not support function overloading
 980 */
 981 #ifdef wxNEED_WX_STRING_H
 982 # ifdef __cplusplus
 983     extern "C" {
 984 # endif
 985         WXDLLIMPEXP_BASE wxChar * wxStrcat(wxChar *dest, const wxChar *src);
 986         WXDLLIMPEXP_BASE const wxChar * wxStrchr(const wxChar *s, wxChar c);
 987         WXDLLIMPEXP_BASE int      wxStrcmp(const wxChar *s1, const wxChar *s2);
 988         WXDLLIMPEXP_BASE int      wxStrcoll(const wxChar *s1, const wxChar *s2);
 989         WXDLLIMPEXP_BASE wxChar * wxStrcpy(wxChar *dest, const wxChar *src);
 990         WXDLLIMPEXP_BASE size_t   wxStrcspn(const wxChar *s, const wxChar *reject);
 991         WXDLLIMPEXP_BASE wxChar * wxStrncat(wxChar *dest, const wxChar *src, size_t n);
 992         WXDLLIMPEXP_BASE int      wxStrncmp(const wxChar *s1, const wxChar *s2, size_t n);
 993         WXDLLIMPEXP_BASE wxChar * wxStrncpy(wxChar *dest, const wxChar *src, size_t n);
 994         WXDLLIMPEXP_BASE const wxChar * wxStrpbrk(const wxChar *s, const wxChar *accept);
 995         WXDLLIMPEXP_BASE const wxChar * wxStrrchr(const wxChar *s, wxChar c);
 996         WXDLLIMPEXP_BASE size_t   wxStrspn(const wxChar *s, const wxChar *accept);
 997         WXDLLIMPEXP_BASE const wxChar * wxStrstr(const wxChar *haystack, const wxChar *needle);
 998 # ifdef __cplusplus
 999     }
1000 # endif
1001
1002     /* These functions use C++, so we can't c extern them */
1003     WXDLLIMPEXP_BASE double   wxStrtod(const wxChar *nptr, wxChar **endptr);
1004     WXDLLIMPEXP_BASE long int wxStrtol(const wxChar *nptr, wxChar **endptr, int base);
1005     WXDLLIMPEXP_BASE unsigned long int wxStrtoul(const wxChar *nptr, wxChar **endptr, int base);
1006     WXDLLIMPEXP_BASE size_t   wxStrxfrm(wxChar *dest, const wxChar *src, size_t n);
1007
1008     /* inlined versions */
1009     #ifdef __cplusplus
1010         inline wxChar * wxStrchr(wxChar *s, wxChar c)
1011             { return (wxChar *)wxStrchr((const wxChar *)s, c); }
1012         inline wxChar * wxStrpbrk(wxChar *s, const wxChar *accept)
1013             { return (wxChar *)wxStrpbrk((const wxChar *)s, accept); }
1014         inline wxChar * wxStrrchr(wxChar *s, wxChar c)
1015             { return (wxChar *)wxStrrchr((const wxChar *)s, c); }
1016         inline wxChar *wxStrstr(wxChar *haystack, const wxChar *needle)
1017             { return (wxChar *)wxStrstr((const wxChar *)haystack, needle); }
1018     #endif
1019
1020 #endif /* wxNEED_WX_STRING_H */
1021
1022 #ifndef wxStrdupA
1023 WXDLLIMPEXP_BASE char *wxStrdupA(const char *psz);
1024 #endif
1025
1026 #ifndef wxStrdupW
1027 WXDLLIMPEXP_BASE wchar_t *wxStrdupW(const wchar_t *pwz);
1028 #endif
1029
1030 #ifndef wxStricmp
1031 WXDLLIMPEXP_BASE int wxStricmp(const wxChar *psz1, const wxChar *psz2);
1032 #endif
1033
1034 #ifndef wxStrnicmp
1035 WXDLLIMPEXP_BASE int wxStrnicmp(const wxChar *psz1, const wxChar *psz2, size_t len);
1036 #endif
1037
1038 #ifndef wxStrtok
1039 WXDLLIMPEXP_BASE wxChar * wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_ptr);
1040 #endif
1041
1042 #ifdef __cplusplus
1043 #ifndef wxSetlocale
1044 class WXDLLIMPEXP_BASE wxWCharBuffer;
1045 WXDLLIMPEXP_BASE wxWCharBuffer wxSetlocale(int category, const wxChar *locale);
1046 #endif
1047 #endif
1048
1049 /* stdio.h functions */
1050 #ifdef wxNEED_WX_STDIO_H
1051     #include <stdio.h>
1052     WXDLLIMPEXP_BASE FILE *   wxFopen(const wxChar *path, const wxChar *mode);
1053     WXDLLIMPEXP_BASE FILE *   wxFreopen(const wxChar *path, const wxChar *mode, FILE *stream);
1054     WXDLLIMPEXP_BASE int      wxRemove(const wxChar *path);
1055     WXDLLIMPEXP_BASE int      wxRename(const wxChar *oldpath, const wxChar *newpath);
1056
1057     /* *printf() family is handled separately */
1058 #endif /* wxNEED_WX_STDIO_H */
1059
1060
1061 /* stdlib.h functions */
1062 #ifndef wxAtof
1063 WXDLLIMPEXP_BASE double   wxAtof(const wxChar *psz);
1064 #endif
1065
1066 #ifdef wxNEED_WX_STDLIB_H
1067 WXDLLIMPEXP_BASE int      wxAtoi(const wxChar *psz);
1068 WXDLLIMPEXP_BASE long     wxAtol(const wxChar *psz);
1069 WXDLLIMPEXP_BASE wxChar * wxGetenv(const wxChar *name);
1070 WXDLLIMPEXP_BASE int      wxSystem(const wxChar *psz);
1071 #endif
1072
1073
1074 /* time.h functions */
1075 #ifdef wxNEED_WX_TIME_H
1076 #if defined(__MWERKS__) && defined(macintosh)
1077     #include <time.h>
1078 #endif
1079     /*silent gabby compilers*/
1080     struct tm;
1081     WXDLLIMPEXP_BASE size_t wxStrftime(wxChar *s, size_t max,
1082                                   const wxChar *fmt, const struct tm *tm);
1083 #endif /* wxNEED_WX_TIME_H */
1084
1085 #ifndef wxCtime
1086 #include <time.h>
1087 WXDLLIMPEXP_BASE wxChar *wxCtime(const time_t *timep);
1088 #endif
1089
1090
1091 /* missing functions in some WinCE versions */
1092 #ifdef _WIN32_WCE
1093 #if (_WIN32_WCE < 300)
1094 WXDLLIMPEXP_BASE void *calloc( size_t num, size_t size );
1095 #endif
1096 #endif /* _WIN32_WCE */
1097
1098 /* multibyte to wide char conversion functions and macros */
1099
1100 #if wxUSE_WCHAR_T
1101     /* multibyte<->widechar conversion */
1102     WXDLLIMPEXP_BASE size_t wxMB2WC(wchar_t *buf, const char *psz, size_t n);
1103     WXDLLIMPEXP_BASE size_t wxWC2MB(char *buf, const wchar_t *psz, size_t n);
1104
1105     #if wxUSE_UNICODE
1106         #define wxMB2WX wxMB2WC
1107         #define wxWX2MB wxWC2MB
1108         #define wxWC2WX wxStrncpy
1109         #define wxWX2WC wxStrncpy
1110     #else
1111         #define wxMB2WX wxStrncpy
1112         #define wxWX2MB wxStrncpy
1113         #define wxWC2WX wxWC2MB
1114         #define wxWX2WC wxMB2WC
1115     #endif
1116 #else /* !wxUSE_UNICODE */
1117 /* Why is this here?
1118 #error ha */
1119     /* No wxUSE_WCHAR_T: we have to do something (JACS) */
1120     #define wxMB2WC wxStrncpy
1121     #define wxWC2MB wxStrncpy
1122     #define wxMB2WX wxStrncpy
1123     #define wxWX2MB wxStrncpy
1124     #define wxWC2WX wxWC2MB
1125     #define wxWX2WC wxMB2WC
1126 #endif
1127
1128 /*
1129     RN:  The following are not normal versions of memcpy et al., rather
1130     these are either char or widechar versions depending on
1131     if unicode is used or not.
1132 */
1133
1134 #ifdef __cplusplus
1135
1136     //
1137     //  RN: We could do the usual tricky compiler detection here,
1138     //  and use their variant (such as wmemchr, etc.).  The problem
1139     //  is that these functions are quite rare, even though they are
1140     //  part of the current POSIX standard.  In addition, most compilers
1141     //  (including even MSC) inline them just like we do right in their
1142     //  headers.
1143     //
1144     #if wxUSE_UNICODE
1145         #include <string.h> //for mem funcs
1146
1147         //implement our own wmem variants
1148         inline wxChar* wxTmemchr(const wxChar* s, wxChar c, size_t l)
1149         {
1150             for(;l && *s != c;--l, ++s) {}
1151
1152             if(l)
1153                 return (wxChar*)s;
1154             return NULL;
1155         }
1156
1157         inline int wxTmemcmp(const wxChar* sz1, const wxChar* sz2, size_t len)
1158         {
1159             for(; *sz1 == *sz2 && len; --len, ++sz1, ++sz2) {}
1160
1161             if(len)
1162                 return *sz1 < *sz2 ? -1 : *sz1 > *sz2;
1163             else
1164                 return 0;
1165         }
1166
1167         inline wxChar* wxTmemcpy(wxChar* szOut, const wxChar* szIn, size_t len)
1168         {
1169             return (wxChar*) memcpy(szOut, szIn, len * sizeof(wxChar));
1170         }
1171
1172         inline wxChar* wxTmemmove(wxChar* szOut, const wxChar* szIn, size_t len)
1173         {
1174             return (wxChar*) memmove(szOut, szIn, len * sizeof(wxChar));
1175         }
1176
1177         inline wxChar* wxTmemset(wxChar* szOut, const wxChar cIn, size_t len)
1178         {
1179             wxChar* szRet = szOut;
1180
1181             while (len--)
1182                 *szOut++ = cIn;
1183
1184             return szRet;
1185         }
1186
1187     #else //!wxUSE_UNICODE
1188     #   define wxTmemchr memchr
1189     #   define wxTmemcmp memcmp
1190     #   define wxTmemcpy memcpy
1191     #   define wxTmemmove memmove
1192     #   define wxTmemset memset
1193     #endif
1194
1195 #endif /*__cplusplus*/
1196
1197
1198 #endif /* _WX_WXCHAR_H_ */
1199