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