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Fix wrong tab order in wxAuiNotebook after dragging.
[wxWidgets.git] / include / wx / wxcrtbase.h
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1/*
2 * Name: wx/wxcrtbase.h
3 * Purpose: Type-safe ANSI and Unicode builds compatible wrappers for
4 * CRT functions
5 * Author: Joel Farley, Ove Kaaven
6 * Modified by: Vadim Zeitlin, Robert Roebling, Ron Lee
7 * Created: 1998/06/12
8 * RCS-ID: $Id$
9 * Copyright: (c) 1998-2006 wxWidgets dev team
10 * Licence: wxWindows licence
11 */
12
13/* THIS IS A C FILE, DON'T USE C++ FEATURES (IN PARTICULAR COMMENTS) IN IT */
14
15#ifndef _WX_WXCRTBASE_H_
16#define _WX_WXCRTBASE_H_
17
18/* -------------------------------------------------------------------------
19 headers and missing declarations
20 ------------------------------------------------------------------------- */
21
22#include "wx/chartype.h"
23
24/*
25 Standard headers we need here.
26
27 NB: don't include any wxWidgets headers here because almost all of them
28 include this one!
29
30 NB2: User code should include wx/crt.h instead of including this
31 header directly.
32
33 */
34
35#include <stdio.h>
36#include <string.h>
37#include <ctype.h>
38#include <wctype.h>
39#include <time.h>
40
41#if defined(__WINDOWS__) && !defined(__WXWINCE__)
42 #include <io.h>
43#endif
44
45#if defined(HAVE_STRTOK_R) && defined(__DARWIN__) && defined(_MSL_USING_MW_C_HEADERS) && _MSL_USING_MW_C_HEADERS
46 char *strtok_r(char *, const char *, char **);
47#endif
48
49/*
50 Using -std=c++{98,0x} option with mingw32 disables most of standard
51 library extensions, so we can't rely on the presence of common non-ANSI
52 functions, define a special symbol to test for this. Notice that this
53 doesn't need to be done for g++ under Linux where _GNU_SOURCE (which is
54 defined by default) still makes all common extensions available even in
55 ANSI mode.
56 */
57#if defined(__MINGW32__) && defined(__STRICT_ANSI__)
58 #define __WX_STRICT_ANSI_GCC__
59#endif
60
61/*
62 a few compilers don't have the (non standard but common) isascii function,
63 define it ourselves for them
64 */
65#ifndef isascii
66 #if defined(__WX_STRICT_ANSI_GCC__)
67 #define wxNEED_ISASCII
68 #elif defined(_WIN32_WCE)
69 #if _WIN32_WCE <= 211
70 #define wxNEED_ISASCII
71 #endif
72 #endif
73#endif /* isascii */
74
75#ifdef wxNEED_ISASCII
76 inline int isascii(int c) { return (unsigned)c < 0x80; }
77#endif
78
79#ifdef _WIN32_WCE
80 #if _WIN32_WCE <= 211
81 #define isspace(c) ((c) == wxT(' ') || (c) == wxT('\t'))
82 #endif
83#endif /* _WIN32_WCE */
84
85/* string.h functions */
86#ifndef strdup
87 #if defined(__WXWINCE__)
88 #if _WIN32_WCE <= 211
89 #define wxNEED_STRDUP
90 #endif
91 #endif
92#endif /* strdup */
93
94#ifdef wxNEED_STRDUP
95 WXDLLIMPEXP_BASE char *strdup(const char* s);
96#endif
97
98/* missing functions in some WinCE versions */
99#ifdef _WIN32_WCE
100#if (_WIN32_WCE < 300)
101WXDLLIMPEXP_BASE void *calloc( size_t num, size_t size );
102#endif
103#endif /* _WIN32_WCE */
104
105
106/* -------------------------------------------------------------------------
107 UTF-8 locale handling
108 ------------------------------------------------------------------------- */
109
110#ifdef __cplusplus
111 #if wxUSE_UNICODE_UTF8
112 /* flag indicating whether the current locale uses UTF-8 or not; must be
113 updated every time the locale is changed! */
114 #if wxUSE_UTF8_LOCALE_ONLY
115 #define wxLocaleIsUtf8 true
116 #else
117 extern WXDLLIMPEXP_BASE bool wxLocaleIsUtf8;
118 #endif
119 /* function used to update the flag: */
120 extern WXDLLIMPEXP_BASE void wxUpdateLocaleIsUtf8();
121 #else /* !wxUSE_UNICODE_UTF8 */
122 inline void wxUpdateLocaleIsUtf8() {}
123 #endif /* wxUSE_UNICODE_UTF8/!wxUSE_UNICODE_UTF8 */
124#endif /* __cplusplus */
125
126
127/* -------------------------------------------------------------------------
128 string.h
129 ------------------------------------------------------------------------- */
130
131#define wxCRT_StrcatA strcat
132#define wxCRT_StrchrA strchr
133#define wxCRT_StrcmpA strcmp
134#define wxCRT_StrcpyA strcpy
135#define wxCRT_StrcspnA strcspn
136#define wxCRT_StrlenA strlen
137#define wxCRT_StrncatA strncat
138#define wxCRT_StrncmpA strncmp
139#define wxCRT_StrncpyA strncpy
140#define wxCRT_StrpbrkA strpbrk
141#define wxCRT_StrrchrA strrchr
142#define wxCRT_StrspnA strspn
143#define wxCRT_StrstrA strstr
144
145#define wxCRT_StrcatW wcscat
146#define wxCRT_StrchrW wcschr
147#define wxCRT_StrcmpW wcscmp
148#define wxCRT_StrcpyW wcscpy
149#define wxCRT_StrcspnW wcscspn
150#define wxCRT_StrncatW wcsncat
151#define wxCRT_StrncmpW wcsncmp
152#define wxCRT_StrncpyW wcsncpy
153#define wxCRT_StrpbrkW wcspbrk
154#define wxCRT_StrrchrW wcsrchr
155#define wxCRT_StrspnW wcsspn
156#define wxCRT_StrstrW wcsstr
157
158/* these functions are not defined under CE, at least in VC8 CRT */
159#if !defined(__WXWINCE__)
160 #define wxCRT_StrcollA strcoll
161 #define wxCRT_StrxfrmA strxfrm
162
163 #define wxCRT_StrcollW wcscoll
164 #define wxCRT_StrxfrmW wcsxfrm
165#endif /* __WXWINCE__ */
166
167/* Almost all compiler have strdup(), but VC++ for CE doesn't provide it.
168 Another special case is gcc in strict ANSI mode: normally it doesn't provide
169 strdup() but MinGW does provide it under MSVC-compatible name so test for it
170 before checking __WX_STRICT_ANSI_GCC__. */
171#if (defined(__VISUALC__) && __VISUALC__ >= 1400) || \
172 defined(__MINGW32__)
173 #define wxCRT_StrdupA _strdup
174#elif !(defined(__WXWINCE__) || defined(__WX_STRICT_ANSI_GCC__))
175 #define wxCRT_StrdupA strdup
176#endif
177
178/* most Windows compilers provide _wcsdup() */
179#if defined(__WINDOWS__) && \
180 !(defined(__CYGWIN__) || defined(__WX_STRICT_ANSI_GCC__))
181 #define wxCRT_StrdupW _wcsdup
182#elif defined(HAVE_WCSDUP)
183 #define wxCRT_StrdupW wcsdup
184#endif
185
186#ifdef wxHAVE_TCHAR_SUPPORT
187 /* we surely have wchar_t if we have TCHAR have wcslen() */
188 #ifndef HAVE_WCSLEN
189 #define HAVE_WCSLEN
190 #endif
191#endif /* wxHAVE_TCHAR_SUPPORT */
192
193#ifdef HAVE_WCSLEN
194 #define wxCRT_StrlenW wcslen
195#endif
196
197#define wxCRT_StrtodA strtod
198#define wxCRT_StrtolA strtol
199#define wxCRT_StrtoulA strtoul
200#define wxCRT_StrtodW wcstod
201#define wxCRT_StrtolW wcstol
202#define wxCRT_StrtoulW wcstoul
203
204#ifdef __VISUALC__
205 #if __VISUALC__ >= 1300 && !defined(__WXWINCE__)
206 #define wxCRT_StrtollA _strtoi64
207 #define wxCRT_StrtoullA _strtoui64
208 #define wxCRT_StrtollW _wcstoi64
209 #define wxCRT_StrtoullW _wcstoui64
210 #endif /* VC++ 7+ */
211#else
212 #ifdef HAVE_STRTOULL
213 #define wxCRT_StrtollA strtoll
214 #define wxCRT_StrtoullA strtoull
215 #endif /* HAVE_STRTOULL */
216 #ifdef HAVE_WCSTOULL
217 /* assume that we have wcstoull(), which is also C99, too */
218 #define wxCRT_StrtollW wcstoll
219 #define wxCRT_StrtoullW wcstoull
220 #endif /* HAVE_WCSTOULL */
221#endif
222
223/*
224 Only VC8 and later provide strnlen() and wcsnlen() functions under Windows
225 and it's also only available starting from Windows CE 6.0 only in CE build.
226 */
227#if wxCHECK_VISUALC_VERSION(8) && (!defined(_WIN32_WCE) || (_WIN32_WCE >= 0x600))
228 #ifndef HAVE_STRNLEN
229 #define HAVE_STRNLEN
230 #endif
231 #ifndef HAVE_WCSNLEN
232 #define HAVE_WCSNLEN
233 #endif
234#endif
235
236#ifdef HAVE_STRNLEN
237 #define wxCRT_StrnlenA strnlen
238#endif
239
240#ifdef HAVE_WCSNLEN
241 #define wxCRT_StrnlenW wcsnlen
242#endif
243
244/* define wxCRT_StricmpA/W and wxCRT_StrnicmpA/W for various compilers */
245
246#if defined(__BORLANDC__) || defined(__WATCOMC__) || \
247 defined(__VISAGECPP__) || \
248 defined(__EMX__) || defined(__DJGPP__)
249 #define wxCRT_StricmpA stricmp
250 #define wxCRT_StrnicmpA strnicmp
251#elif defined(__SYMANTEC__) || defined(__VISUALC__)
252 #define wxCRT_StricmpA _stricmp
253 #define wxCRT_StrnicmpA _strnicmp
254#elif defined(__UNIX__) || (defined(__GNUWIN32__) && !defined(__WX_STRICT_ANSI_GCC__))
255 #define wxCRT_StricmpA strcasecmp
256 #define wxCRT_StrnicmpA strncasecmp
257/* #else -- use wxWidgets implementation */
258#endif
259
260#ifdef __VISUALC__
261 #define wxCRT_StricmpW _wcsicmp
262 #define wxCRT_StrnicmpW _wcsnicmp
263#elif defined(__UNIX__)
264 #ifdef HAVE_WCSCASECMP
265 #define wxCRT_StricmpW wcscasecmp
266 #endif
267 #ifdef HAVE_WCSNCASECMP
268 #define wxCRT_StrnicmpW wcsncasecmp
269 #endif
270/* #else -- use wxWidgets implementation */
271#endif
272
273#ifdef HAVE_STRTOK_R
274 #define wxCRT_StrtokA(str, sep, last) strtok_r(str, sep, last)
275#endif
276/* FIXME-UTF8: detect and use wcstok() if available for wxCRT_StrtokW */
277
278/* these are extern "C" because they are used by regex lib: */
279#ifdef __cplusplus
280extern "C" {
281#endif
282
283#ifndef wxCRT_StrlenW
284WXDLLIMPEXP_BASE size_t wxCRT_StrlenW(const wchar_t *s);
285#endif
286
287#ifndef wxCRT_StrncmpW
288WXDLLIMPEXP_BASE int wxCRT_StrncmpW(const wchar_t *s1, const wchar_t *s2, size_t n);
289#endif
290
291#ifdef __cplusplus
292}
293#endif
294
295/* FIXME-UTF8: remove this once we are Unicode only */
296#if wxUSE_UNICODE
297 #define wxCRT_StrlenNative wxCRT_StrlenW
298 #define wxCRT_StrncmpNative wxCRT_StrncmpW
299 #define wxCRT_ToupperNative wxCRT_ToupperW
300 #define wxCRT_TolowerNative wxCRT_TolowerW
301#else
302 #define wxCRT_StrlenNative wxCRT_StrlenA
303 #define wxCRT_StrncmpNative wxCRT_StrncmpA
304 #define wxCRT_ToupperNative toupper
305 #define wxCRT_TolowerNative tolower
306#endif
307
308#ifndef wxCRT_StrcatW
309WXDLLIMPEXP_BASE wchar_t *wxCRT_StrcatW(wchar_t *dest, const wchar_t *src);
310#endif
311
312#ifndef wxCRT_StrchrW
313WXDLLIMPEXP_BASE const wchar_t *wxCRT_StrchrW(const wchar_t *s, wchar_t c);
314#endif
315
316#ifndef wxCRT_StrcmpW
317WXDLLIMPEXP_BASE int wxCRT_StrcmpW(const wchar_t *s1, const wchar_t *s2);
318#endif
319
320#ifndef wxCRT_StrcollW
321WXDLLIMPEXP_BASE int wxCRT_StrcollW(const wchar_t *s1, const wchar_t *s2);
322#endif
323
324#ifndef wxCRT_StrcpyW
325WXDLLIMPEXP_BASE wchar_t *wxCRT_StrcpyW(wchar_t *dest, const wchar_t *src);
326#endif
327
328#ifndef wxCRT_StrcspnW
329WXDLLIMPEXP_BASE size_t wxCRT_StrcspnW(const wchar_t *s, const wchar_t *reject);
330#endif
331
332#ifndef wxCRT_StrncatW
333WXDLLIMPEXP_BASE wchar_t *wxCRT_StrncatW(wchar_t *dest, const wchar_t *src, size_t n);
334#endif
335
336#ifndef wxCRT_StrncpyW
337WXDLLIMPEXP_BASE wchar_t *wxCRT_StrncpyW(wchar_t *dest, const wchar_t *src, size_t n);
338#endif
339
340#ifndef wxCRT_StrpbrkW
341WXDLLIMPEXP_BASE const wchar_t *wxCRT_StrpbrkW(const wchar_t *s, const wchar_t *accept);
342#endif
343
344#ifndef wxCRT_StrrchrW
345WXDLLIMPEXP_BASE const wchar_t *wxCRT_StrrchrW(const wchar_t *s, wchar_t c);
346#endif
347
348#ifndef wxCRT_StrspnW
349WXDLLIMPEXP_BASE size_t wxCRT_StrspnW(const wchar_t *s, const wchar_t *accept);
350#endif
351
352#ifndef wxCRT_StrstrW
353WXDLLIMPEXP_BASE const wchar_t *wxCRT_StrstrW(const wchar_t *haystack, const wchar_t *needle);
354#endif
355
356#ifndef wxCRT_StrtodW
357WXDLLIMPEXP_BASE double wxCRT_StrtodW(const wchar_t *nptr, wchar_t **endptr);
358#endif
359
360#ifndef wxCRT_StrtolW
361WXDLLIMPEXP_BASE long int wxCRT_StrtolW(const wchar_t *nptr, wchar_t **endptr, int base);
362#endif
363
364#ifndef wxCRT_StrtoulW
365WXDLLIMPEXP_BASE unsigned long int wxCRT_StrtoulW(const wchar_t *nptr, wchar_t **endptr, int base);
366#endif
367
368#ifndef wxCRT_StrxfrmW
369WXDLLIMPEXP_BASE size_t wxCRT_StrxfrmW(wchar_t *dest, const wchar_t *src, size_t n);
370#endif
371
372#ifndef wxCRT_StrdupA
373WXDLLIMPEXP_BASE char *wxCRT_StrdupA(const char *psz);
374#endif
375
376#ifndef wxCRT_StrdupW
377WXDLLIMPEXP_BASE wchar_t *wxCRT_StrdupW(const wchar_t *pwz);
378#endif
379
380#ifndef wxCRT_StricmpA
381WXDLLIMPEXP_BASE int wxCRT_StricmpA(const char *psz1, const char *psz2);
382#endif
383
384#ifndef wxCRT_StricmpW
385WXDLLIMPEXP_BASE int wxCRT_StricmpW(const wchar_t *psz1, const wchar_t *psz2);
386#endif
387
388#ifndef wxCRT_StrnicmpA
389WXDLLIMPEXP_BASE int wxCRT_StrnicmpA(const char *psz1, const char *psz2, size_t len);
390#endif
391
392#ifndef wxCRT_StrnicmpW
393WXDLLIMPEXP_BASE int wxCRT_StrnicmpW(const wchar_t *psz1, const wchar_t *psz2, size_t len);
394#endif
395
396#ifndef wxCRT_StrtokA
397WXDLLIMPEXP_BASE char *wxCRT_StrtokA(char *psz, const char *delim, char **save_ptr);
398#endif
399
400#ifndef wxCRT_StrtokW
401WXDLLIMPEXP_BASE wchar_t *wxCRT_StrtokW(wchar_t *psz, const wchar_t *delim, wchar_t **save_ptr);
402#endif
403
404/* supply strtoll and strtoull, if needed */
405#ifdef wxLongLong_t
406 #ifndef wxCRT_StrtollA
407 WXDLLIMPEXP_BASE wxLongLong_t wxCRT_StrtollA(const char* nptr,
408 char** endptr,
409 int base);
410 WXDLLIMPEXP_BASE wxULongLong_t wxCRT_StrtoullA(const char* nptr,
411 char** endptr,
412 int base);
413 #endif
414 #ifndef wxCRT_StrtollW
415 WXDLLIMPEXP_BASE wxLongLong_t wxCRT_StrtollW(const wchar_t* nptr,
416 wchar_t** endptr,
417 int base);
418 WXDLLIMPEXP_BASE wxULongLong_t wxCRT_StrtoullW(const wchar_t* nptr,
419 wchar_t** endptr,
420 int base);
421 #endif
422#endif /* wxLongLong_t */
423
424
425/* -------------------------------------------------------------------------
426 stdio.h
427 ------------------------------------------------------------------------- */
428
429#if defined(__UNIX__) || defined(__WXMAC__)
430 #define wxMBFILES 1
431#else
432 #define wxMBFILES 0
433#endif
434
435
436/* these functions are only needed in the form used for filenames (i.e. char*
437 on Unix, wchar_t* on Windows), so we don't need to use A/W suffix: */
438#if wxMBFILES || !wxUSE_UNICODE /* ANSI filenames */
439
440 #define wxCRT_Fopen fopen
441 #define wxCRT_Freopen freopen
442 #define wxCRT_Remove remove
443 #define wxCRT_Rename rename
444
445#else /* Unicode filenames */
446 /* special case: these functions are missing under Win9x with Unicows so we
447 have to implement them ourselves */
448 #if wxUSE_UNICODE_MSLU || defined(__WX_STRICT_ANSI_GCC__)
449 WXDLLIMPEXP_BASE FILE* wxMSLU__wfopen(const wchar_t *name, const wchar_t *mode);
450 WXDLLIMPEXP_BASE FILE* wxMSLU__wfreopen(const wchar_t *name, const wchar_t *mode, FILE *stream);
451 WXDLLIMPEXP_BASE int wxMSLU__wrename(const wchar_t *oldname, const wchar_t *newname);
452 WXDLLIMPEXP_BASE int wxMSLU__wremove(const wchar_t *name);
453 #define wxCRT_Fopen wxMSLU__wfopen
454 #define wxCRT_Freopen wxMSLU__wfreopen
455 #define wxCRT_Remove wxMSLU__wremove
456 #define wxCRT_Rename wxMSLU__wrename
457 #else
458 /* WinCE CRT doesn't provide these functions so use our own */
459 #ifdef __WXWINCE__
460 WXDLLIMPEXP_BASE int wxCRT_Rename(const wchar_t *src,
461 const wchar_t *dst);
462 WXDLLIMPEXP_BASE int wxCRT_Remove(const wchar_t *path);
463 #else
464 #define wxCRT_Rename _wrename
465 #define wxCRT_Remove _wremove
466 #endif
467 #define wxCRT_Fopen _wfopen
468 #define wxCRT_Freopen _wfreopen
469 #endif
470
471#endif /* wxMBFILES/!wxMBFILES */
472
473#define wxCRT_PutsA puts
474#define wxCRT_FputsA fputs
475#define wxCRT_FgetsA fgets
476#define wxCRT_FputcA fputc
477#define wxCRT_FgetcA fgetc
478#define wxCRT_UngetcA ungetc
479
480#ifdef wxHAVE_TCHAR_SUPPORT
481 #define wxCRT_PutsW _putws
482 #define wxCRT_FputsW fputws
483 #define wxCRT_FputcW fputwc
484#endif
485#ifdef HAVE_FPUTWS
486 #define wxCRT_FputsW fputws
487#endif
488#ifdef HAVE_PUTWS
489 #define wxCRT_PutsW putws
490#endif
491#ifdef HAVE_FPUTWC
492 #define wxCRT_FputcW fputwc
493#endif
494#define wxCRT_FgetsW fgetws
495
496#ifndef wxCRT_PutsW
497WXDLLIMPEXP_BASE int wxCRT_PutsW(const wchar_t *ws);
498#endif
499
500#ifndef wxCRT_FputsW
501WXDLLIMPEXP_BASE int wxCRT_FputsW(const wchar_t *ch, FILE *stream);
502#endif
503
504#ifndef wxCRT_FputcW
505WXDLLIMPEXP_BASE int wxCRT_FputcW(wchar_t wc, FILE *stream);
506#endif
507
508/*
509 NB: tmpnam() is unsafe and thus is not wrapped!
510 Use other wxWidgets facilities instead:
511 wxFileName::CreateTempFileName, wxTempFile, or wxTempFileOutputStream
512*/
513#define wxTmpnam(x) wxTmpnam_is_insecure_use_wxTempFile_instead
514
515/* FIXME-CE: provide our own perror() using ::GetLastError() */
516#ifndef __WXWINCE__
517
518#define wxCRT_PerrorA perror
519#ifdef wxHAVE_TCHAR_SUPPORT
520 #define wxCRT_PerrorW _wperror
521#endif
522
523#endif /* !__WXWINCE__ */
524
525/* -------------------------------------------------------------------------
526 stdlib.h
527 ------------------------------------------------------------------------- */
528
529/* there are no env vars at all under CE, so no _tgetenv neither */
530#ifdef __WXWINCE__
531 /* can't define as inline function as this is a C file... */
532 #define wxCRT_GetenvA(name) (name, NULL)
533 #define wxCRT_GetenvW(name) (name, NULL)
534#else
535 #define wxCRT_GetenvA getenv
536 #ifdef _tgetenv
537 #define wxCRT_GetenvW _wgetenv
538 #endif
539#endif
540
541#ifndef wxCRT_GetenvW
542WXDLLIMPEXP_BASE wchar_t * wxCRT_GetenvW(const wchar_t *name);
543#endif
544
545
546#define wxCRT_SystemA system
547/* mingw32 doesn't provide _tsystem() or _wsystem(): */
548#if defined(_tsystem)
549 #define wxCRT_SystemW _wsystem
550#endif
551
552#define wxCRT_AtofA atof
553#define wxCRT_AtoiA atoi
554#define wxCRT_AtolA atol
555
556#if defined(wxHAVE_TCHAR_SUPPORT) && !defined(__WX_STRICT_ANSI_GCC__)
557 #define wxCRT_AtoiW _wtoi
558 #define wxCRT_AtolW _wtol
559 /* _wtof doesn't exist */
560#else
561#ifndef __VMS
562 #define wxCRT_AtofW(s) wcstod(s, NULL)
563#endif
564 #define wxCRT_AtolW(s) wcstol(s, NULL, 10)
565 /* wcstoi doesn't exist */
566#endif
567
568#ifdef __DARWIN__
569 #if !defined(__WXOSX_IPHONE__) && MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_2
570 #define wxNEED_WX_MBSTOWCS
571 #endif
572#endif
573
574#ifdef wxNEED_WX_MBSTOWCS
575 /* even though they are defined and "implemented", they are bad and just
576 stubs so we need our own - we need these even in ANSI builds!! */
577 WXDLLIMPEXP_BASE size_t wxMbstowcs(wchar_t *, const char *, size_t);
578 WXDLLIMPEXP_BASE size_t wxWcstombs(char *, const wchar_t *, size_t);
579#else
580 #define wxMbstowcs mbstowcs
581 #define wxWcstombs wcstombs
582#endif
583
584
585
586/* -------------------------------------------------------------------------
587 time.h
588 ------------------------------------------------------------------------- */
589
590#define wxCRT_StrftimeA strftime
591#ifdef __SGI__
592 /*
593 IRIX provides not one but two versions of wcsftime(): XPG4 one which
594 uses "const char*" for the third parameter and so can't be used and the
595 correct, XPG5, one. Unfortunately we can't just define _XOPEN_SOURCE
596 high enough to get XPG5 version as this undefines other symbols which
597 make other functions we use unavailable (see <standards.h> for gory
598 details). So just declare the XPG5 version ourselves, we're extremely
599 unlikely to ever be compiled on a system without it. But if we ever do,
600 a configure test would need to be added for it (and _MIPS_SYMBOL_PRESENT
601 should be used to check for its presence during run-time, i.e. it would
602 probably be simpler to just always use our own wxCRT_StrftimeW() below
603 if it does ever become a problem).
604 */
605#ifdef __cplusplus
606 extern "C"
607#endif
608 size_t
609 _xpg5_wcsftime(wchar_t *, size_t, const wchar_t *, const struct tm * );
610 #define wxCRT_StrftimeW _xpg5_wcsftime
611#else
612 /*
613 Assume it's always available under non-Unix systems as this does seem
614 to be the case for now. And under Unix we trust configure to detect it
615 (except for SGI special case above).
616 */
617 #if defined(HAVE_WCSFTIME) || !defined(__UNIX__)
618 #define wxCRT_StrftimeW wcsftime
619 #endif
620#endif
621
622#ifndef wxCRT_StrftimeW
623WXDLLIMPEXP_BASE size_t wxCRT_StrftimeW(wchar_t *s, size_t max,
624 const wchar_t *fmt,
625 const struct tm *tm);
626#endif
627
628
629
630/* -------------------------------------------------------------------------
631 ctype.h
632 ------------------------------------------------------------------------- */
633
634#ifdef __WATCOMC__
635 #define WXWCHAR_T_CAST(c) (wint_t)(c)
636#else
637 #define WXWCHAR_T_CAST(c) c
638#endif
639
640#define wxCRT_IsalnumW(c) iswalnum(WXWCHAR_T_CAST(c))
641#define wxCRT_IsalphaW(c) iswalpha(WXWCHAR_T_CAST(c))
642#define wxCRT_IscntrlW(c) iswcntrl(WXWCHAR_T_CAST(c))
643#define wxCRT_IsdigitW(c) iswdigit(WXWCHAR_T_CAST(c))
644#define wxCRT_IsgraphW(c) iswgraph(WXWCHAR_T_CAST(c))
645#define wxCRT_IslowerW(c) iswlower(WXWCHAR_T_CAST(c))
646#define wxCRT_IsprintW(c) iswprint(WXWCHAR_T_CAST(c))
647#define wxCRT_IspunctW(c) iswpunct(WXWCHAR_T_CAST(c))
648#define wxCRT_IsspaceW(c) iswspace(WXWCHAR_T_CAST(c))
649#define wxCRT_IsupperW(c) iswupper(WXWCHAR_T_CAST(c))
650#define wxCRT_IsxdigitW(c) iswxdigit(WXWCHAR_T_CAST(c))
651
652#ifdef __GLIBC__
653 #if defined(__GLIBC__) && (__GLIBC__ == 2) && (__GLIBC_MINOR__ == 0)
654 /* /usr/include/wctype.h incorrectly declares translations */
655 /* tables which provokes tons of compile-time warnings -- try */
656 /* to correct this */
657 #define wxCRT_TolowerW(wc) towctrans((wc), (wctrans_t)__ctype_tolower)
658 #define wxCRT_ToupperW(wc) towctrans((wc), (wctrans_t)__ctype_toupper)
659 #else /* !glibc 2.0 */
660 #define wxCRT_TolowerW towlower
661 #define wxCRT_ToupperW towupper
662 #endif
663#else /* !__GLIBC__ */
664 /* There is a bug in VC6 C RTL: toxxx() functions dosn't do anything
665 with signed chars < 0, so "fix" it here. */
666 #define wxCRT_TolowerW(c) towlower((wxUChar)(wxChar)(c))
667 #define wxCRT_ToupperW(c) towupper((wxUChar)(wxChar)(c))
668#endif /* __GLIBC__/!__GLIBC__ */
669
670
671
672
673
674/* -------------------------------------------------------------------------
675 wx wrappers for CRT functions in both char* and wchar_t* versions
676 ------------------------------------------------------------------------- */
677
678#ifdef __cplusplus
679
680/* NB: this belongs to wxcrt.h and not this header, but it makes life easier
681 * for buffer.h and stringimpl.h (both of which must be included before
682 * string.h, which is required by wxcrt.h) to have them here: */
683
684/* safe version of strlen() (returns 0 if passed NULL pointer) */
685inline size_t wxStrlen(const char *s) { return s ? wxCRT_StrlenA(s) : 0; }
686inline size_t wxStrlen(const wchar_t *s) { return s ? wxCRT_StrlenW(s) : 0; }
687#ifndef wxWCHAR_T_IS_WXCHAR16
688 WXDLLIMPEXP_BASE size_t wxStrlen(const wxChar16 *s );
689#endif
690#ifndef wxWCHAR_T_IS_WXCHAR32
691 WXDLLIMPEXP_BASE size_t wxStrlen(const wxChar32 *s );
692#endif
693#define wxWcslen wxCRT_StrlenW
694
695#define wxStrdupA wxCRT_StrdupA
696#define wxStrdupW wxCRT_StrdupW
697inline char* wxStrdup(const char *s) { return wxCRT_StrdupA(s); }
698inline wchar_t* wxStrdup(const wchar_t *s) { return wxCRT_StrdupW(s); }
699#ifndef wxWCHAR_T_IS_WXCHAR16
700 WXDLLIMPEXP_BASE wxChar16* wxStrdup(const wxChar16* s);
701#endif
702#ifndef wxWCHAR_T_IS_WXCHAR32
703 WXDLLIMPEXP_BASE wxChar32* wxStrdup(const wxChar32* s);
704#endif
705
706#endif /* __cplusplus */
707
708#endif /* _WX_WXCRTBASE_H_ */
wxWidgets (Impactor)