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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
6 // Created: 1998/06/12
7 // RCS-ID: $Id$
8 // Copyright: (c) 1998-2002 wxWindows dev team
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 #ifndef _WX_WXCHAR_H_
13 #define _WX_WXCHAR_H_
14
15 #ifdef __GNUG__
16 #pragma interface "wxchar.h"
17 #endif
18
19 // ----------------------------------------------------------------------------
20 // first deal with Unicode setting: wxUSE_UNICODE should be defined as 0 or 1
21 // and is used by wxWindows, _UNICODE and/or UNICODE may be defined or used by
22 // the system headers so bring these settings in sync
23 // ----------------------------------------------------------------------------
24
25 // set wxUSE_UNICODE to 1 if UNICODE or _UNICODE is defined
26 #if defined(_UNICODE) || defined(UNICODE)
27 #undef wxUSE_UNICODE
28 #define wxUSE_UNICODE 1
29 #else
30 #ifndef wxUSE_UNICODE
31 #define wxUSE_UNICODE 0
32 #endif
33 #endif // Unicode
34
35 // and vice versa: define UNICODE and _UNICODE if wxUSE_UNICODE is 1...
36 #if wxUSE_UNICODE
37 #ifndef _UNICODE
38 #define _UNICODE
39 #endif
40 #ifndef UNICODE
41 #define UNICODE
42 #endif
43 #endif // Unicode
44
45 // check whether we have wchar_t
46 #if !defined(wxUSE_WCHAR_T)
47 #if defined(__WIN16__)
48 // no wchar_t under Win16 regadrless of compiler used
49 #define wxUSE_WCHAR_T 0
50 #elif defined(__UNIX__)
51 #if defined(HAVE_WCSTR_H) || defined(HAVE_WCHAR_H) || defined(__FreeBSD__) || defined(__DARWIN__)
52 #define wxUSE_WCHAR_T 1
53 #else
54 #define wxUSE_WCHAR_T 0
55 #endif
56 #elif defined(__GNUWIN32__) && !defined(__MINGW32__) // Cygwin (not Mingw32) doesn't have wcslen.h, needed in buffer.h
57 #define wxUSE_WCHAR_T 0
58 #elif defined(__WATCOMC__)
59 #define wxUSE_WCHAR_T 0
60 #elif defined(__VISAGECPP__) && (__IBMCPP__ < 400)
61 #define wxUSE_WCHAR_T 0
62 #else
63 // add additional compiler checks if this fails
64 #define wxUSE_WCHAR_T 1
65 #endif
66 #endif // !defined(wxUSE_WCHAR_T)
67
68 // Unicode support requires wchar_t
69 #if wxUSE_UNICODE && !wxUSE_WCHAR_T
70 #error "wchar_t must be available in Unicode build"
71 #endif // Unicode
72
73 // ----------------------------------------------------------------------------
74 // standard headers we need here
75 //
76 // NB: don't include any wxWindows headers here because almost of them include
77 // this one!
78 // ----------------------------------------------------------------------------
79
80 // Required for wxPrintf() etc
81 #include <stdarg.h>
82
83 #if defined(__CYGWIN__)
84 #ifndef HAVE_WCSLEN
85 #define HAVE_WCSLEN
86 #endif // !HAVE_WCSLEN
87 #include <stddef.h>
88 #endif
89
90 // non Unix compilers which do have wchar.h (but not tchar.h which is included
91 // below and which includes wchar.h anyhow)
92 #if defined(__MWERKS__) || defined(__VISAGECPP__)
93 #ifndef HAVE_WCHAR_H
94 #define HAVE_WCHAR_H
95 #endif
96 #endif
97
98 #if wxUSE_WCHAR_T
99 #ifdef HAVE_WCHAR_H
100 // include wchar.h to get wcslen() declaration used by wx/buffer.h
101 #include <wchar.h>
102 #elif defined(HAVE_WCSTR_H)
103 // old compilers have wcslen() here
104 #include <wcstr.h>
105 #elif defined(__FreeBSD__) || defined(__DARWIN__) || defined(__EMX__)
106 // include stdlib.h for wchar_t, wcslen is provided in wxchar.cpp
107 #include <stdlib.h>
108 size_t WXDLLEXPORT wcslen(const wchar_t *s);
109 #endif // HAVE_WCHAR_H
110 #endif // wxUSE_WCHAR_T
111
112 // ----------------------------------------------------------------------------
113 // define wxHAVE_TCHAR_SUPPORT for the compilers which support the TCHAR type
114 // mapped to either char or wchar_t depending on the ASCII/Unicode mode and have
115 // the function mapping _tfoo() -> foo() or wfoo()
116 // ----------------------------------------------------------------------------
117
118 // VC++ and BC++ starting with 5.2 have TCHAR support
119 #ifdef __VISUALC__
120 #define wxHAVE_TCHAR_SUPPORT
121 #elif defined(__BORLANDC__) && (__BORLANDC__ >= 0x520)
122 #define wxHAVE_TCHAR_SUPPORT
123 #include <ctype.h>
124 #elif defined(__MINGW32__) && wxCHECK_W32API_VERSION( 1, 0 )
125 #define wxHAVE_TCHAR_SUPPORT
126 #include <stddef.h>
127 #include <string.h>
128 #include <ctype.h>
129 #elif 0 && defined(__VISAGECPP__) && (__IBMCPP__ >= 400)
130 // VZ: the old VisualAge definitions were completely wrong and had no
131 // chance at all to work in Unicode build anyhow so let's pretend that
132 // VisualAge does _not_ support TCHAR for the moment (as indicated by
133 // "0 &&" above) until someone really has time to delve into Unicode
134 // issues under OS/2
135
136 // VisualAge 4.0+ supports TCHAR
137 #define wxHAVE_TCHAR_SUPPORT
138 #endif // compilers with (good) TCHAR support
139
140 #ifdef wxHAVE_TCHAR_SUPPORT
141 // get TCHAR definition if we've got it
142 #include <tchar.h>
143
144 // we surely do have wchar_t if we have TCHAR
145 #ifndef wxUSE_WCHAR_T
146 #define wxUSE_WCHAR_T 1
147 #endif // !defined(wxUSE_WCHAR_T)
148
149 // and we also do have wcslen()
150 #ifndef HAVE_WCSLEN
151 #define HAVE_WCSLEN
152 #endif
153 #endif // wxHAVE_TCHAR_SUPPORT
154
155 // ----------------------------------------------------------------------------
156 // define wxChar type
157 // ----------------------------------------------------------------------------
158
159 // TODO: define wxCharInt to be equal to either int or wint_t?
160
161 #if !wxUSE_UNICODE
162 typedef char wxChar;
163 typedef signed char wxSChar;
164 typedef unsigned char wxUChar;
165 #else // Unicode
166 // VZ: note that VC++ defines _T[SU]CHAR simply as wchar_t and not as
167 // signed/unsigned version of it which (a) makes sense to me (unlike
168 // char wchar_t is always unsigned) and (b) was how the previous
169 // definitions worked so keep it like this
170
171 // GNU libc has __WCHAR_TYPE__ which requires special treatment, see
172 // comment below
173 #if !defined(__WCHAR_TYPE__) || \
174 (!defined(__GNUC__) || wxCHECK_GCC_VERSION(2, 96))
175 // standard case
176 typedef wchar_t wxChar;
177 typedef wchar_t wxSChar;
178 typedef wchar_t wxUChar;
179 #else // __WCHAR_TYPE__ and gcc < 2.96
180 // VS: wxWindows used to define wxChar as __WCHAR_TYPE__ here. However,
181 // this doesn't work with new GCC 3.x compilers because wchar_t is
182 // C++'s builtin type in the new standard. OTOH, old compilers (GCC
183 // 2.x) won't accept new definition of wx{S,U}Char, therefore we
184 // have to define wxChar conditionally depending on detected
185 // compiler & compiler version.
186 // with old definition of wxChar.
187 typedef __WCHAR_TYPE__ wxChar;
188 typedef __WCHAR_TYPE__ wxSChar;
189 typedef __WCHAR_TYPE__ wxUChar;
190 #endif // __WCHAR_TYPE__
191 #endif // ASCII/Unicode
192
193 // ----------------------------------------------------------------------------
194 // define _T() and related macros
195 // ----------------------------------------------------------------------------
196
197 // BSD systems define _T() to be something different in ctype.h, override it
198 #if defined(__FreeBSD__) || defined(__DARWIN__)
199 #include <ctype.h>
200 #undef _T
201 #endif
202
203 // could already be defined by tchar.h (it's quasi standard)
204 #ifndef _T
205 #if !wxUSE_UNICODE
206 #define _T(x) x
207 #else // Unicode
208 #define _T(x) L ## x
209 #endif // ASCII/Unicode
210 #endif // !defined(_T)
211
212 // although global macros with such names are normally bad, we want to have
213 // another name for _T() which should be used to avoid confusion between _T()
214 // and _() in wxWindows sources
215 #define wxT(x) _T(x)
216
217 // Unicode-friendly __FILE__, __DATE__ and __TIME__ analogs
218 #ifndef __TFILE__
219 #define __XFILE__(x) wxT(x)
220 #define __TFILE__ __XFILE__(__FILE__)
221 #endif
222
223 #ifndef __TDATE__
224 #define __XDATE__(x) wxT(x)
225 #define __TDATE__ __XDATE__(__DATE__)
226 #endif
227
228 #ifndef __TTIME__
229 #define __XTIME__(x) wxT(x)
230 #define __TTIME__ __XTIME__(__TIME__)
231 #endif
232
233 // ----------------------------------------------------------------------------
234 // define wxFoo() function for each standard foo() function whose signature
235 // (exceptionally including the return type) includes any mention of char:
236 // wxFoo() is going to be a Unicode-friendly version of foo(), i.e. will have
237 // the same signature but with char replaced by wxChar which allows us to use
238 // it in Unicode build as well
239 // ----------------------------------------------------------------------------
240
241 #ifdef wxHAVE_TCHAR_SUPPORT
242 // ctype.h functions
243 #define wxIsalnum _istalnum
244 #define wxIsalpha _istalpha
245 #define wxIsctrl _istctrl
246 #define wxIsdigit _istdigit
247 #define wxIsgraph _istgraph
248 #define wxIslower _istlower
249 #define wxIsprint _istprint
250 #define wxIspunct _istpunct
251 #define wxIsspace _istspace
252 #define wxIsupper _istupper
253 #define wxIsxdigit _istxdigit
254 #define wxTolower _totlower
255 #define wxToupper _totupper
256
257 // locale.h functons
258 #define wxSetlocale _tsetlocale
259
260 // string.h functions
261 #define wxStrcat _tcscat
262 #define wxStrchr _tcschr
263 #define wxStrcmp _tcscmp
264 #define wxStrcoll _tcscoll
265 #define wxStrcpy _tcscpy
266 #define wxStrcspn _tcscspn
267 #define wxStrftime _tcsftime
268 #define wxStricmp _tcsicmp
269 #define wxStrnicmp _tcsnicmp
270 #define wxStrlen_ _tcslen // used in wxStrlen inline function
271 #define wxStrncat _tcsncat
272 #define wxStrncmp _tcsncmp
273 #define wxStrncpy _tcsncpy
274 #define wxStrpbrk _tcspbrk
275 #define wxStrrchr _tcsrchr
276 #define wxStrspn _tcsspn
277 #define wxStrstr _tcsstr
278 #define wxStrtod _tcstod
279 #define wxStrtol _tcstol
280 #define wxStrtoul _tcstoul
281 #define wxStrxfrm _tcsxfrm
282
283 // stdio.h functions
284 #define wxFgetc _fgettc
285 #define wxFgetchar _fgettchar
286 #define wxFgets _fgetts
287 #define wxFopen _tfopen
288 #define wxFputc _fputtc
289 #define wxFputchar _fputtchar
290 #define wxFprintf _ftprintf
291 #define wxFputs _fputts
292 #define wxFreopen _tfreopen
293 #define wxFscanf _ftscanf
294 #define wxGetc _gettc
295 #define wxGetchar _gettchar
296 #define wxGets _getts
297 #define wxPerror _tperror
298 #define wxPrintf _tprintf
299 #define wxPutc _puttc
300 #define wxPutchar _puttchar
301 #define wxPuts _putts
302 #define wxScanf _tscanf
303 #define wxSprintf _stprintf
304 #define wxSscanf _stscanf
305 #define wxTmpnam _ttmpnam
306 #define wxUngetc _tungetc
307 #define wxVfprintf _vftprintf
308 #define wxVprintf _vtprintf
309 #define wxVsscanf _vstscanf
310 #define wxVsprintf _vstprintf
311
312 // special case: these functions are missing under Win9x with Unicows so we
313 // have to implement them ourselves
314 #if wxUSE_UNICODE_MSLU
315 #define wxRemove wxMSLU__tremove
316 #define wxRename wxMSLU__trename
317 #else
318 #define wxRemove _tremove
319 #define wxRename _trename
320 #endif
321
322 // stdlib.h functions
323 #define wxAtoi _ttoi
324 #define wxAtol _ttol
325 // #define wxAtof _tttof -- notice that there is no such thing (why?)
326 #define wxGetenv _tgetenv
327 #define wxSystem _tsystem
328
329 // time.h functions
330 #define wxAsctime _tasctime
331 #define wxCtime _tctime
332 #else // !TCHAR-aware compilers
333 #if wxUSE_UNICODE
334 #include <wctype.h>
335
336 // this is probably glibc-specific
337 #if defined(__WCHAR_TYPE__)
338 // ctype.h functions (wctype.h)
339 #define wxIsalnum iswalnum
340 #define wxIsalpha iswalpha
341 #define wxIsctrl iswcntrl
342 #define wxIsdigit iswdigit
343 #define wxIsgraph iswgraph
344 #define wxIslower iswlower
345 #define wxIsprint iswprint
346 #define wxIspunct iswpunct
347 #define wxIsspace iswspace
348 #define wxIsupper iswupper
349 #define wxIsxdigit iswxdigit
350
351 #if defined(__GLIBC__) && (__GLIBC__ == 2) && (__GLIBC_MINOR__ == 0)
352 // /usr/include/wctype.h incorrectly declares translations
353 // tables which provokes tons of compile-time warnings -- try
354 // to correct this
355 #define wxTolower(wc) towctrans((wc), (wctrans_t)__ctype_tolower)
356 #define wxToupper(wc) towctrans((wc), (wctrans_t)__ctype_toupper)
357 #else // !glibc 2.0
358 #define wxTolower towlower
359 #define wxToupper towupper
360 #endif // gcc/!gcc
361
362 // string.h functions (wchar.h)
363 #define wxStrcat wcscat
364 #define wxStrchr wcschr
365 #define wxStrcmp wcscmp
366 #define wxStrcoll wcscoll
367 #define wxStrcpy wcscpy
368 #define wxStrcspn wcscspn
369 #define wxStrlen_ wcslen // used in wxStrlen inline function
370 #define wxStrncat wcsncat
371 #define wxStrncmp wcsncmp
372 #define wxStrncpy wcsncpy
373 #define wxStrpbrk wcspbrk
374 #define wxStrrchr wcsrchr
375 #define wxStrspn wcsspn
376 #define wxStrstr wcsstr
377 #define wxStrtod wcstod
378 #define wxStrtok wcstok
379 #define wxStrtol wcstol
380 #define wxStrtoul wcstoul
381 #define wxStrxfrm wcsxfrm
382
383 #define wxFgetc fgetwc
384 #define wxFgetchar fgetwchar
385 #define wxFgets fgetws
386 #define wxFputc fputwc
387 #define wxFputchar fputwchar
388 #define wxGetc getwc
389 #define wxGetchar getwchar
390 #define wxGets getws
391 #define wxUngetc ungetwc
392
393 #ifdef HAVE_FPUTWC
394 #define wxPutc wputc
395 #define wxPutchar wputchar
396 #define wxPuts putws
397 #define wxFputs fputws
398 #else
399 #define wxNEED_FPUTWC
400
401 #include <stdio.h>
402
403 int wxFputs(const wxChar *ch, FILE *stream);
404 int wxPutc(wxChar ch, FILE *stream);
405
406 #define wxPuts(ws) wxFputs(ws, stdout)
407 #define wxPutchar(wch) wxPutc(wch, stdout)
408 #endif
409
410 // we need %s to %ls conversion for printf and scanf etc
411 #define wxNEED_PRINTF_CONVERSION
412
413 // glibc doesn't have wide char equivalents of the other stuff so
414 // use our own versions
415 #define wxNEED_WX_STDIO_H
416 #define wxNEED_WX_STDLIB_H
417 #define wxNEED_WX_TIME_H
418 #else // !glibc
419 #error "Please define wide character functions for your environment"
420 #endif
421 #else // ASCII
422 #include <ctype.h>
423 #include <string.h>
424
425 // ctype.h functions
426 #define wxIsalnum isalnum
427 #define wxIsalpha isalpha
428 #define wxIsctrl isctrl
429 #define wxIsdigit isdigit
430 #define wxIsgraph isgraph
431 #define wxIslower islower
432 #define wxIsprint isprint
433 #define wxIspunct ispunct
434 #define wxIsspace isspace
435 #define wxIsupper isupper
436 #define wxIsxdigit isxdigit
437 #define wxTolower tolower
438 #define wxToupper toupper
439
440 // locale.h functons
441 #define wxSetlocale setlocale
442
443 // string.h functions
444 #define wxStrcat strcat
445 #define wxStrchr strchr
446 #define wxStrcmp strcmp
447 #define wxStrcoll strcoll
448 #define wxStrcpy strcpy
449 #define wxStrcspn strcspn
450 #if !defined(__MWERKS__) || !defined(__WXMAC__)
451 #define wxStrdup strdup
452 #endif
453 // wxStricmp and wxStrnicmp are defined below
454 #define wxStrlen_ strlen // used in wxStrlen inline function
455 #define wxStrncat strncat
456 #define wxStrncmp strncmp
457 #define wxStrncpy strncpy
458 #define wxStrpbrk strpbrk
459 #define wxStrrchr strrchr
460 #define wxStrspn strspn
461 #define wxStrstr strstr
462 #define wxStrtod strtod
463 #ifdef HAVE_STRTOK_R
464 #define wxStrtok(str, sep, last) strtok_r(str, sep, last)
465 #else
466 #define wxStrtok(str, sep, last) strtok(str, sep)
467 #endif
468 #define wxStrtol strtol
469 #define wxStrtoul strtoul
470 #define wxStrxfrm strxfrm
471
472 // stdio.h functions
473 #define wxFopen fopen
474 #define wxFreopen freopen
475 #define wxPerror perror
476 #define wxRemove remove
477 #define wxRename rename
478 #define wxTmpnam tmpnam
479
480 #define wxFgetc fgetc
481 #define wxFgetchar fgetchar
482 #define wxFgets fgets
483 #define wxFputc fputc
484 #define wxFputchar fputchar
485 #define wxFprintf fprintf
486 #define wxFscanf fscanf
487 #define wxGetc getc
488 #define wxGetchar getchar
489 #define wxGets gets
490 #define wxPrintf printf
491 #define wxPutc putc
492 #define wxPutchar putchar
493 #define wxPuts puts
494 #define wxScanf scanf
495 #define wxSprintf sprintf
496 #define wxSscanf sscanf
497 #define wxUngetc ungetc
498 #define wxVfprintf vfprintf
499 #define wxVprintf vprintf
500 #define wxVsscanf vsscanf
501 #define wxVsprintf vsprintf
502
503 // stdlib.h functions
504 #define wxAtof atof
505 #define wxAtoi atoi
506 #define wxAtol atol
507 #define wxGetenv getenv
508 #define wxSystem system
509
510 // time.h functions
511 #define wxAsctime asctime
512 #define wxCtime ctime
513 #define wxStrftime strftime
514 #endif // Unicode/ASCII
515 #endif // TCHAR-aware compilers/the others
516
517 // ----------------------------------------------------------------------------
518 // various special cases
519 // ----------------------------------------------------------------------------
520
521 // define wxStricmp and wxStrnicmp for various compilers
522 //
523 // note that in Unicode mode we definitely are going to need our own version
524 #if !defined(wxStricmp) && !wxUSE_UNICODE
525 #if defined(__BORLANDC__) || defined(__WATCOMC__) || \
526 defined(__SALFORDC__) || defined(__VISAGECPP__) || \
527 defined(__EMX__) || defined(__DJGPP__)
528 #define wxStricmp stricmp
529 #define wxStrnicmp strnicmp
530 #elif defined(__SC__) || defined(__VISUALC__) || \
531 (defined(__MWERKS__) && defined(__INTEL__))
532 #define wxStricmp _stricmp
533 #define wxStrnicmp _strnicmp
534 #elif defined(__UNIX__) || defined(__GNUWIN32__)
535 #define wxStricmp strcasecmp
536 #define wxStrnicmp strncasecmp
537 // #else -- use wxWindows implementation
538 #endif
539 #endif // !defined(wxStricmp)
540
541 // checks whether the passed in pointer is NULL and if the string is empty
542 inline bool wxIsEmpty(const wxChar *p) { return !p || !*p; }
543
544 // safe version of strlen() (returns 0 if passed NULL pointer)
545 inline size_t wxStrlen(const wxChar *psz) { return psz ? wxStrlen_(psz) : 0; }
546
547 // define wxWcslen() which should be always available if wxUSE_WCHAR_T == 1 (as
548 // it's used in wx/buffer.h)
549 #if wxUSE_WCHAR_T
550 #ifdef HAVE_WCSLEN
551 #define wxWcslen wcslen
552 #else
553 inline size_t wxWcslen(const wchar_t *s)
554 {
555 size_t n = 0;
556 while ( *s++ )
557 n++;
558
559 return n;
560 }
561 #endif
562 #endif // wxUSE_WCHAR_T
563
564 WXDLLEXPORT bool wxOKlibc(); // for internal use
565
566 // ----------------------------------------------------------------------------
567 // printf() family saga
568 // ----------------------------------------------------------------------------
569
570 /*
571 First of all, we always want to define safe snprintf() function to be used
572 instead of sprintf(). Some compilers already have it (or rather vsnprintf()
573 which we really need...), otherwise we implement it using our own printf()
574 code.
575
576 We define function with a trailing underscore here because the real one is a
577 wrapper around it as explained below
578 */
579 #ifdef wxHAVE_TCHAR_SUPPORT
580 #define wxVsnprintf_ _vsntprintf
581 #define wxSnprintf_ _sntprintf
582 #else // !TCHAR
583 #if wxUSE_UNICODE
584 #if defined(HAVE_VSWPRINTF)
585 #define wxVsnprintf_ vswprintf
586 #endif
587 #else // ASCII
588 // all versions of CodeWarrior supported by wxWindows apparently have
589 // vsnprintf()
590 #if defined(HAVE_VSNPRINTF) || defined(__MWERKS__)
591 // assume we have snprintf() too if we have vsnprintf()
592 #define wxVsnprintf_ vsnprintf
593 #define wxSnprintf_ snprintf
594 #endif
595 #endif
596 #endif // TCHAR/!TCHAR
597
598 #ifndef wxVsnprintf_
599 // no [v]snprintf(), cook our own
600 WXDLLEXPORT int wxSnprintf_(wxChar *buf, size_t len, const wxChar *format,
601 ...) ATTRIBUTE_PRINTF_3;
602 WXDLLEXPORT int wxVsnprintf_(wxChar *buf, size_t len, const wxChar *format,
603 va_list argptr);
604 #endif
605
606 /*
607 In Unicode mode we need to have all standard functions such as wprintf() and
608 so on but not all systems have them so use our own implementations in this
609 case.
610 */
611 #if wxUSE_UNICODE && !defined(wxHAVE_TCHAR_SUPPORT) && !defined(HAVE_WPRINTF)
612 #define wxNEED_WPRINTF
613 #endif
614
615 /*
616 More Unicode complications: although both ANSI C and C++ define a number of
617 wide character functions such as wprintf(), not all environments have them.
618 Worse, those which do have different behaviours: under Windows, %s format
619 specifier changes its meaning in Unicode build and expects a Unicode string
620 while under Unix/POSIX it still means an ASCII string even for wprintf() and
621 %ls has to be used for wide strings.
622
623 We choose to always emulate Windows behaviour as more useful for us so even
624 if we have wprintf() we still must wrap it in a non trivial wxPrintf().
625
626 However, if we don't have any vswprintf() at all we don't need to redefine
627 anything as our own wxVsnprintf_() already behaves as needed.
628 */
629 #ifndef wxVsnprintf_
630 #undef wxNEED_PRINTF_CONVERSION
631 #endif
632
633 #if defined(wxNEED_PRINTF_CONVERSION) || defined(wxNEED_WPRINTF)
634 // we need to implement all wide character printf and scanf functions
635 // either because we don't have them at all or because they don't have the
636 // semantics we need
637
638 #include <stdio.h> // for FILE
639
640 int wxScanf( const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
641 int wxSscanf( const wxChar *str, const wxChar *format, ... ) ATTRIBUTE_PRINTF_3;
642 int wxFscanf( FILE *stream, const wxChar *format, ... ) ATTRIBUTE_PRINTF_3;
643 int wxVsscanf( const wxChar *str, const wxChar *format, va_list ap );
644 int wxPrintf( const wxChar *format, ... ) ATTRIBUTE_PRINTF_2;
645 int wxSprintf( wxChar *str, const wxChar *format, ... ) ATTRIBUTE_PRINTF_3;
646 int wxFprintf( FILE *stream, const wxChar *format, ... ) ATTRIBUTE_PRINTF_3;
647 int wxVfprintf( FILE *stream, const wxChar *format, va_list ap );
648 int wxVprintf( const wxChar *format, va_list ap );
649 int wxVsprintf( wxChar *str, const wxChar *format, va_list ap );
650 #endif // wxNEED_PRINTF_CONVERSION
651
652 // these 2 can be simply mapped to the versions with underscore at the end
653 // if we don't have to do the conversion
654 #ifdef wxNEED_PRINTF_CONVERSION
655 int wxSnprintf( wxChar *str, size_t size, const wxChar *format, ... ) ATTRIBUTE_PRINTF_4;
656 int wxVsnprintf( wxChar *str, size_t size, const wxChar *format, va_list ap );
657 #else
658 #define wxSnprintf wxSnprintf_
659 #define wxVsnprintf wxVsnprintf_
660 #endif
661
662 // ----------------------------------------------------------------------------
663 // various functions which might not be available in libc and for which we
664 // provide our own replacements in wxchar.cpp
665 // ----------------------------------------------------------------------------
666
667 // ctype.h functions
668 //
669 // VZ: note that this is never defined currently
670 #ifdef wxNEED_WX_CTYPE_H
671 WXDLLEXPORT int wxIsalnum(wxChar ch);
672 WXDLLEXPORT int wxIsalpha(wxChar ch);
673 WXDLLEXPORT int wxIsctrl(wxChar ch);
674 WXDLLEXPORT int wxIsdigit(wxChar ch);
675 WXDLLEXPORT int wxIsgraph(wxChar ch);
676 WXDLLEXPORT int wxIslower(wxChar ch);
677 WXDLLEXPORT int wxIsprint(wxChar ch);
678 WXDLLEXPORT int wxIspunct(wxChar ch);
679 WXDLLEXPORT int wxIsspace(wxChar ch);
680 WXDLLEXPORT int wxIsupper(wxChar ch);
681 WXDLLEXPORT int wxIsxdigit(wxChar ch);
682 WXDLLEXPORT int wxTolower(wxChar ch);
683 WXDLLEXPORT int wxToupper(wxChar ch);
684 #endif // wxNEED_WX_CTYPE_H
685
686 // under VC++ 6.0 isspace() returns 1 for 8 bit chars which completely breaks
687 // the file parsing -- this may be true for 5.0 as well, update #ifdef then
688 #if defined(__VISUALC__) && (__VISUALC__ >= 1200) && !wxUSE_UNICODE
689 #undef wxIsspace
690 #define wxIsspace(c) ((((unsigned)c) < 128) && isspace(c))
691 #endif // VC++
692
693
694 // string.h functions
695 //
696 // VZ: this is never defined neither currently
697 #ifdef wxNEED_WX_STRING_H
698 WXDLLEXPORT wxChar * wxStrcat(wxChar *dest, const wxChar *src);
699 WXDLLEXPORT const wxChar * wxStrchr(const wxChar *s, wxChar c);
700 WXDLLEXPORT wxChar * wxStrchr(wxChar *s, wxChar c)
701 { return (wxChar *)wxStrchr((const wxChar *)s, c); }
702 WXDLLEXPORT int wxStrcmp(const wxChar *s1, const wxChar *s2);
703 WXDLLEXPORT int wxStrcoll(const wxChar *s1, const wxChar *s2);
704 WXDLLEXPORT wxChar * wxStrcpy(wxChar *dest, const wxChar *src);
705 WXDLLEXPORT size_t wxStrcspn(const wxChar *s, const wxChar *reject);
706 WXDLLEXPORT size_t wxStrlen(const wxChar *s);
707 WXDLLEXPORT wxChar * wxStrncat(wxChar *dest, const wxChar *src, size_t n);
708 WXDLLEXPORT int wxStrncmp(const wxChar *s1, const wxChar *s2, size_t n);
709 WXDLLEXPORT wxChar * wxStrncpy(wxChar *dest, const wxChar *src, size_t n);
710 WXDLLEXPORT const wxChar * wxStrpbrk(const wxChar *s, const wxChar *accept);
711 WXDLLEXPORT wxChar * wxStrpbrk(wxChar *s, const wxChar *accept)
712 { return (wxChar *)wxStrpbrk((const wxChar *)s, accept); }
713 WXDLLEXPORT const wxChar * wxStrrchr(const wxChar *s, wxChar c);
714 WXDLLEXPORT wxChar * wxStrrchr(wxChar *s, wxChar c)
715 { return (wxChar *)wxStrrchr((const wxChar *)s, c); }
716 WXDLLEXPORT size_t wxStrspn(const wxChar *s, const wxChar *accept);
717 WXDLLEXPORT const wxChar * wxStrstr(const wxChar *haystack, const wxChar *needle);
718 WXDLLEXPORT wxChar *wxStrstr(wxChar *haystack, const wxChar *needle)
719 { return (wxChar *)wxStrstr((const wxChar *)haystack, needle); }
720 WXDLLEXPORT double wxStrtod(const wxChar *nptr, wxChar **endptr);
721 WXDLLEXPORT long int wxStrtol(const wxChar *nptr, wxChar **endptr, int base);
722 WXDLLEXPORT unsigned long int wxStrtoul(const wxChar *nptr, wxChar **endptr, int base);
723 WXDLLEXPORT size_t wxStrxfrm(wxChar *dest, const wxChar *src, size_t n);
724 #endif // wxNEED_WX_STRING_H
725
726 #ifndef wxStrdup
727 WXDLLEXPORT wxChar * wxStrdup(const wxChar *psz);
728 #endif
729
730 #ifndef wxStricmp
731 WXDLLEXPORT int wxStricmp(const wxChar *psz1, const wxChar *psz2);
732 #endif
733
734 #ifndef wxStrnicmp
735 WXDLLEXPORT int wxStrnicmp(const wxChar *psz1, const wxChar *psz2, size_t len);
736 #endif
737
738 #ifndef wxStrtok
739 WXDLLEXPORT wxChar * wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_ptr);
740 #endif
741
742 #ifndef wxSetlocale
743 class WXDLLEXPORT wxWCharBuffer;
744 WXDLLEXPORT wxWCharBuffer wxSetlocale(int category, const wxChar *locale);
745 #endif
746
747 // stdio.h functions
748 #ifdef wxNEED_WX_STDIO_H
749 #include <stdio.h>
750 WXDLLEXPORT FILE * wxFopen(const wxChar *path, const wxChar *mode);
751 WXDLLEXPORT FILE * wxFreopen(const wxChar *path, const wxChar *mode, FILE *stream);
752 WXDLLEXPORT int wxRemove(const wxChar *path);
753 WXDLLEXPORT int wxRename(const wxChar *oldpath, const wxChar *newpath);
754
755 // *printf() family is handled separately
756 #endif // wxNEED_WX_STDIO_H
757
758
759 // stdlib.h functions
760 #ifndef wxAtof
761 WXDLLEXPORT double wxAtof(const wxChar *psz);
762 #endif
763
764 #ifdef wxNEED_WX_STDLIB_H
765 WXDLLEXPORT int wxAtoi(const wxChar *psz);
766 WXDLLEXPORT long wxAtol(const wxChar *psz);
767 WXDLLEXPORT wxChar * wxGetenv(const wxChar *name);
768 WXDLLEXPORT int wxSystem(const wxChar *psz);
769 #endif
770
771
772 // time.h functions
773 #ifdef wxNEED_WX_TIME_H
774 WXDLLEXPORT size_t wxStrftime(wxChar *s, size_t max,
775 const wxChar *fmt, const struct tm *tm);
776 #endif // wxNEED_WX_TIME_H
777
778 // ----------------------------------------------------------------------------
779 // multibyte to wide char conversion functions and macros
780 // ----------------------------------------------------------------------------
781
782 #if wxUSE_WCHAR_T
783 // multibyte<->widechar conversion
784 WXDLLEXPORT size_t wxMB2WC(wchar_t *buf, const char *psz, size_t n);
785 WXDLLEXPORT size_t wxWC2MB(char *buf, const wchar_t *psz, size_t n);
786
787 #if wxUSE_UNICODE
788 #define wxMB2WX wxMB2WC
789 #define wxWX2MB wxWC2MB
790 #define wxWC2WX wxStrncpy
791 #define wxWX2WC wxStrncpy
792 #else
793 #define wxMB2WX wxStrncpy
794 #define wxWX2MB wxStrncpy
795 #define wxWC2WX wxWC2MB
796 #define wxWX2WC wxMB2WC
797 #endif
798 #else // !wxUSE_UNICODE
799 // No wxUSE_WCHAR_T: we have to do something (JACS)
800 #define wxMB2WC wxStrncpy
801 #define wxWC2MB wxStrncpy
802 #define wxMB2WX wxStrncpy
803 #define wxWX2MB wxStrncpy
804 #define wxWC2WX wxWC2MB
805 #define wxWX2WC wxMB2WC
806 #endif
807
808 #endif //_WX_WXCHAR_H_
809