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added wxDebugContext::SetShutdownNotifyFunction() (patch 1887210)
[wxWidgets.git] / include / wx / wxcrtbase.h
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eb9524ca
VS		 1/*
2 * Name: wx/wxcrtbase.h
3 * Purpose: Type-safe ANSI and Unicode builds compatible wrappers for
4 * CRT functions
9d55bfef 5 * Author: Joel Farley, Ove Kaaven
eb9524ca
VS		 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
e2fc40b4 31#if !defined(__WXPALMOS5__)
eb9524ca
VS		 32#include <stdio.h>
33#include <string.h>
34#include <ctype.h>
e2fc40b4
VZ		 35#if defined(__WXPALMOS__)
36 #include <wchar.h>
37#else
38 #include <wctype.h>
39#endif
eb9524ca 40#include <time.h>
e2fc40b4 41#endif
eb9524ca 42
d6f2a891
VZ		 43#if defined(__WINDOWS__) && !defined(__WXWINCE__)
44 #include <io.h>
4e0a0557 45#endif
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VS		 46
47#if defined(HAVE_STRTOK_R) && defined(__DARWIN__) && defined(_MSL_USING_MW_C_HEADERS) && _MSL_USING_MW_C_HEADERS
48 char *strtok_r(char *, const char *, char **);
49#endif
50
51/*
52 a few compilers don't have the (non standard but common) isascii function,
53 define it ourselves for them
54 */
55#ifndef isascii
56 #if defined(__MWERKS__)
57 #define wxNEED_ISASCII
58 #elif defined(_WIN32_WCE)
59 #if _WIN32_WCE <= 211
60 #define wxNEED_ISASCII
61 #endif
62 #endif
63#endif /* isascii */
64
65#ifdef wxNEED_ISASCII
66 inline int isascii(int c) { return (unsigned)c < 0x80; }
67#endif
68
69#ifdef _WIN32_WCE
70 #if _WIN32_WCE <= 211
71 #define isspace(c) ((c) == _T(' ') || (c) == _T('\t'))
72 #endif
73#endif /* _WIN32_WCE */
74
75/* string.h functions */
76#ifndef strdup
77 #if defined(__MWERKS__) && !defined(__MACH__) && (__MSL__ < 0x00008000)
78 #define wxNEED_STRDUP
79 #elif defined(__WXWINCE__)
80 #if _WIN32_WCE <= 211
81 #define wxNEED_STRDUP
82 #endif
83 #endif
84#endif /* strdup */
85
86#ifdef wxNEED_STRDUP
87 WXDLLIMPEXP_BASE char *strdup(const char* s);
88#endif
89
90/* missing functions in some WinCE versions */
91#ifdef _WIN32_WCE
92#if (_WIN32_WCE < 300)
93WXDLLIMPEXP_BASE void *calloc( size_t num, size_t size );
94#endif
95#endif /* _WIN32_WCE */
96
97
98#if defined(__MWERKS__)
99 /* Metrowerks only has wide char support for OS X >= 10.3 */
100 #if !defined(__DARWIN__) || \
101 (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3)
102 #define wxHAVE_MWERKS_UNICODE
103 #endif
104
105 #ifdef wxHAVE_MWERKS_UNICODE
106 #define HAVE_WPRINTF 1
107 #define HAVE_WCSRTOMBS 1
108 #define HAVE_VSWPRINTF 1
109 #endif
110#endif /* __MWERKS__ */
111
112
113/* -------------------------------------------------------------------------
114 UTF-8 locale handling
115 ------------------------------------------------------------------------- */
116
117#ifdef __cplusplus
118 #if wxUSE_UNICODE_UTF8
28efe654
VS		 119 /* flag indicating whether the current locale uses UTF-8 or not; must be
120 updated every time the locale is changed! */
eb9524ca
VS		 121 #if wxUSE_UTF8_LOCALE_ONLY
122 #define wxLocaleIsUtf8 true
123 #else
124 extern WXDLLIMPEXP_BASE bool wxLocaleIsUtf8;
125 #endif
28efe654 126 /* function used to update the flag: */
eb9524ca 127 extern WXDLLIMPEXP_BASE void wxUpdateLocaleIsUtf8();
28efe654 128 #else /* !wxUSE_UNICODE_UTF8 */
eb9524ca 129 inline void wxUpdateLocaleIsUtf8() {}
28efe654
VS		 130 #endif /* wxUSE_UNICODE_UTF8/!wxUSE_UNICODE_UTF8 */
131#endif /* __cplusplus */
eb9524ca
VS		 132
133
134/* -------------------------------------------------------------------------
135 string.h
136 ------------------------------------------------------------------------- */
137
138#define wxCRT_StrcatA strcat
139#define wxCRT_StrchrA strchr
140#define wxCRT_StrcmpA strcmp
eb9524ca
VS		 141#define wxCRT_StrcpyA strcpy
142#define wxCRT_StrcspnA strcspn
143#define wxCRT_StrlenA strlen
144#define wxCRT_StrncatA strncat
145#define wxCRT_StrncmpA strncmp
146#define wxCRT_StrncpyA strncpy
147#define wxCRT_StrpbrkA strpbrk
148#define wxCRT_StrrchrA strrchr
149#define wxCRT_StrspnA strspn
150#define wxCRT_StrstrA strstr
eb9524ca 151
410390cf
VS		 152#define wxCRT_StrcatW wcscat
153#define wxCRT_StrchrW wcschr
154#define wxCRT_StrcmpW wcscmp
410390cf
VS		 155#define wxCRT_StrcpyW wcscpy
156#define wxCRT_StrcspnW wcscspn
157#define wxCRT_StrncatW wcsncat
158#define wxCRT_StrncmpW wcsncmp
159#define wxCRT_StrncpyW wcsncpy
160#define wxCRT_StrpbrkW wcspbrk
161#define wxCRT_StrrchrW wcsrchr
162#define wxCRT_StrspnW wcsspn
163#define wxCRT_StrstrW wcsstr
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VZ		 164
165/* these functions are not defined under CE, at least in VC8 CRT */
e2fc40b4 166#if !defined(__WXWINCE__) && !defined(__WXPALMOS__)
d6f2a891
VZ		 167 #define wxCRT_StrcollA strcoll
168 #define wxCRT_StrxfrmA strxfrm
169
170 #define wxCRT_StrcollW wcscoll
171 #define wxCRT_StrxfrmW wcsxfrm
172#endif /* __WXWINCE__ */
410390cf
VS		 173
174/* Almost all compiler have strdup(), but not quite all: CodeWarrior under
175 Mac and VC++ for Windows CE don't provide it; additionally, gcc under
176 Mac and OpenVMS do not have wcsdup: */
177#if defined(__VISUALC__) && __VISUALC__ >= 1400
178 #define wxCRT_StrdupA _strdup
179#elif !(defined(__MWERKS__) && defined(__WXMAC__)) && !defined(__WXWINCE__)
180 #define wxCRT_StrdupA strdup
181#endif
182#if defined(__WINDOWS__)
183 #define wxCRT_StrdupW _wcsdup
8a02058a 184#elif defined(HAVE_WCSDUP)
410390cf 185 #define wxCRT_StrdupW wcsdup
eb9524ca
VS		 186#endif
187
188#ifdef wxHAVE_TCHAR_SUPPORT
189 /* we surely have wchar_t if we have TCHAR have wcslen() */
190 #ifndef HAVE_WCSLEN
191 #define HAVE_WCSLEN
192 #endif
193#endif /* wxHAVE_TCHAR_SUPPORT */
194
195#ifdef HAVE_WCSLEN
196 #define wxCRT_StrlenW wcslen
197#endif
198
199#define wxCRT_StrtodA strtod
200#define wxCRT_StrtolA strtol
201#define wxCRT_StrtoulA strtoul
202#define wxCRT_StrtodW wcstod
203#define wxCRT_StrtolW wcstol
204#define wxCRT_StrtoulW wcstoul
205
206#ifdef __VISUALC__
207 #if __VISUALC__ >= 1300 && !defined(__WXWINCE__)
208 #define wxCRT_StrtollA _strtoi64
209 #define wxCRT_StrtoullA _strtoui64
210 #define wxCRT_StrtollW _wcstoi64
211 #define wxCRT_StrtoullW _wcstoui64
212 #endif /* VC++ 7+ */
213#else
214 #ifdef HAVE_STRTOULL
215 #define wxCRT_StrtollA strtoll
216 #define wxCRT_StrtoullA strtoull
217 #endif /* HAVE_STRTOULL */
218 #ifdef HAVE_WCSTOULL
219 /* assume that we have wcstoull(), which is also C99, too */
220 #define wxCRT_StrtollW wcstoll
221 #define wxCRT_StrtoullW wcstoull
222 #endif /* HAVE_WCSTOULL */
223#endif
224
225
226/* define wxCRT_StricmpA/W and wxCRT_StrnicmpA/W for various compilers */
227
228/* note that we definitely are going to need our own version for widechar
229 * versions */
230#if !defined(wxCRT_StricmpA)
231 #if defined(__BORLANDC__) || defined(__WATCOMC__) || \
f172cb82 232 defined(__VISAGECPP__) || \
eb9524ca
VS		 233 defined(__EMX__) || defined(__DJGPP__)
234 #define wxCRT_StricmpA stricmp
235 #define wxCRT_StrnicmpA strnicmp
236 #elif defined(__WXPALMOS__)
237 /* FIXME: There is no equivalent to strnicmp in the Palm OS API. This
238 * quick hack should do until one can be written.
239 */
240 #define wxCRT_StricmpA StrCaselessCompare
e2fc40b4 241 #define wxCRT_StrnicmpA StrNCaselessCompare
eb9524ca
VS		 242 #elif defined(__SYMANTEC__) || defined(__VISUALC__) || \
243 (defined(__MWERKS__) && defined(__INTEL__))
244 #define wxCRT_StricmpA _stricmp
245 #define wxCRT_StrnicmpA _strnicmp
246 #elif defined(__UNIX__) || defined(__GNUWIN32__)
247 #define wxCRT_StricmpA strcasecmp
248 #define wxCRT_StrnicmpA strncasecmp
249 /* #else -- use wxWidgets implementation */
250 #endif
251#endif /* !defined(wxCRT_StricmpA) */
252/* FIXME-UTF8: use wcs(n)casecmp if available for *W versions */
253
254#ifdef HAVE_STRTOK_R
255 #define wxCRT_StrtokA(str, sep, last) strtok_r(str, sep, last)
256#endif
257/* FIXME-UTF8: detect and use wcstok() if available for wxCRT_StrtokW */
258
259/* these are extern "C" because they are used by regex lib: */
260#ifdef __cplusplus
261extern "C" {
262#endif
263
264#ifndef wxCRT_StrlenW
265WXDLLIMPEXP_BASE size_t wxCRT_StrlenW(const wchar_t *s);
266#endif
267
268#ifndef wxCRT_StrncmpW
269WXDLLIMPEXP_BASE int wxCRT_StrncmpW(const wchar_t *s1, const wchar_t *s2, size_t n);
270#endif
271
272#ifdef __cplusplus
273}
274#endif
275
276/* FIXME-UTF8: remove this once we are Unicode only */
277#if wxUSE_UNICODE
278 #define wxCRT_StrlenNative wxCRT_StrlenW
279 #define wxCRT_StrncmpNative wxCRT_StrncmpW
280 #define wxCRT_ToupperNative wxCRT_ToupperW
281 #define wxCRT_TolowerNative wxCRT_TolowerW
282#else
283 #define wxCRT_StrlenNative wxCRT_StrlenA
284 #define wxCRT_StrncmpNative wxCRT_StrncmpA
285 #define wxCRT_ToupperNative toupper
286 #define wxCRT_TolowerNative tolower
287#endif
288
289#ifndef wxCRT_StrcatW
290WXDLLIMPEXP_BASE wchar_t *wxCRT_StrcatW(wchar_t *dest, const wchar_t *src);
291#endif
292
293#ifndef wxCRT_StrchrW
294WXDLLIMPEXP_BASE const wchar_t *wxCRT_StrchrW(const wchar_t *s, wchar_t c);
295#endif
296
297#ifndef wxCRT_StrcmpW
298WXDLLIMPEXP_BASE int wxCRT_StrcmpW(const wchar_t *s1, const wchar_t *s2);
299#endif
300
301#ifndef wxCRT_StrcollW
302WXDLLIMPEXP_BASE int wxCRT_StrcollW(const wchar_t *s1, const wchar_t *s2);
303#endif
304
305#ifndef wxCRT_StrcpyW
306WXDLLIMPEXP_BASE wchar_t *wxCRT_StrcpyW(wchar_t *dest, const wchar_t *src);
307#endif
308
309#ifndef wxCRT_StrcspnW
310WXDLLIMPEXP_BASE size_t wxCRT_StrcspnW(const wchar_t *s, const wchar_t *reject);
311#endif
312
313#ifndef wxCRT_StrncatW
314WXDLLIMPEXP_BASE wchar_t *wxCRT_StrncatW(wchar_t *dest, const wchar_t *src, size_t n);
315#endif
316
317#ifndef wxCRT_StrncpyW
318WXDLLIMPEXP_BASE wchar_t *wxCRT_StrncpyW(wchar_t *dest, const wchar_t *src, size_t n);
319#endif
320
321#ifndef wxCRT_StrpbrkW
322WXDLLIMPEXP_BASE const wchar_t *wxCRT_StrpbrkW(const wchar_t *s, const wchar_t *accept);
323#endif
324
325#ifndef wxCRT_StrrchrW
326WXDLLIMPEXP_BASE const wchar_t *wxCRT_StrrchrW(const wchar_t *s, wchar_t c);
327#endif
328
329#ifndef wxCRT_StrspnW
330WXDLLIMPEXP_BASE size_t wxCRT_StrspnW(const wchar_t *s, const wchar_t *accept);
331#endif
332
333#ifndef wxCRT_StrstrW
334WXDLLIMPEXP_BASE const wchar_t *wxCRT_StrstrW(const wchar_t *haystack, const wchar_t *needle);
335#endif
336
337#ifndef wxCRT_StrtodW
338WXDLLIMPEXP_BASE double wxCRT_StrtodW(const wchar_t *nptr, wchar_t **endptr);
339#endif
340
341#ifndef wxCRT_StrtolW
342WXDLLIMPEXP_BASE long int wxCRT_StrtolW(const wchar_t *nptr, wchar_t **endptr, int base);
343#endif
344
345#ifndef wxCRT_StrtoulW
346WXDLLIMPEXP_BASE unsigned long int wxCRT_StrtoulW(const wchar_t *nptr, wchar_t **endptr, int base);
347#endif
348
349#ifndef wxCRT_StrxfrmW
350WXDLLIMPEXP_BASE size_t wxCRT_StrxfrmW(wchar_t *dest, const wchar_t *src, size_t n);
351#endif
352
353#ifndef wxCRT_StrdupA
354WXDLLIMPEXP_BASE char *wxCRT_StrdupA(const char *psz);
355#endif
356
357#ifndef wxCRT_StrdupW
358WXDLLIMPEXP_BASE wchar_t *wxCRT_StrdupW(const wchar_t *pwz);
359#endif
360
361#ifndef wxCRT_StricmpA
362WXDLLIMPEXP_BASE int wxCRT_StricmpA(const char *psz1, const char *psz2);
363#endif
364
365#ifndef wxCRT_StricmpW
366WXDLLIMPEXP_BASE int wxCRT_StricmpW(const wchar_t *psz1, const wchar_t *psz2);
367#endif
368
369#ifndef wxCRT_StrnicmpA
370WXDLLIMPEXP_BASE int wxCRT_StrnicmpA(const char *psz1, const char *psz2, size_t len);
371#endif
372
373#ifndef wxCRT_StrnicmpW
374WXDLLIMPEXP_BASE int wxCRT_StrnicmpW(const wchar_t *psz1, const wchar_t *psz2, size_t len);
375#endif
376
377#ifndef wxCRT_StrtokA
378WXDLLIMPEXP_BASE char *wxCRT_StrtokA(char *psz, const char *delim, char **save_ptr);
379#endif
380
381#ifndef wxCRT_StrtokW
382WXDLLIMPEXP_BASE wchar_t *wxCRT_StrtokW(wchar_t *psz, const wchar_t *delim, wchar_t **save_ptr);
383#endif
384
385/* supply strtoll and strtoull, if needed */
bdcb2137
VS		 386#ifdef wxLongLong_t
387 #ifndef wxCRT_StrtollA
388 WXDLLIMPEXP_BASE wxLongLong_t wxCRT_StrtollA(const char* nptr,
389 char** endptr,
390 int base);
391 WXDLLIMPEXP_BASE wxULongLong_t wxCRT_StrtoullA(const char* nptr,
392 char** endptr,
393 int base);
394 #endif
395 #ifndef wxCRT_StrtollW
396 WXDLLIMPEXP_BASE wxLongLong_t wxCRT_StrtollW(const wchar_t* nptr,
397 wchar_t** endptr,
398 int base);
399 WXDLLIMPEXP_BASE wxULongLong_t wxCRT_StrtoullW(const wchar_t* nptr,
400 wchar_t** endptr,
401 int base);
402 #endif
403#endif // wxLongLong_t
eb9524ca
VS		 404
405
406/* -------------------------------------------------------------------------
407 stdio.h
408 ------------------------------------------------------------------------- */
409
e2fc40b4 410#if defined(__UNIX__) || defined(__WXMAC__) || defined(__WXPALMOS__)
eb9524ca
VS		 411 #define wxMBFILES 1
412#else
413 #define wxMBFILES 0
414#endif
415
416
417/* these functions are only needed in the form used for filenames (i.e. char*
418 on Unix, wchar_t* on Windows), so we don't need to use A/W suffix: */
28efe654 419#if wxMBFILES || !wxUSE_UNICODE /* ANSI filenames */
eb9524ca
VS		 420
421 #define wxCRT_Fopen fopen
422 #define wxCRT_Freopen freopen
423 #define wxCRT_Remove remove
424 #define wxCRT_Rename rename
425
28efe654 426#else /* Unicode filenames */
eb9524ca
VS		 427 /* special case: these functions are missing under Win9x with Unicows so we
428 have to implement them ourselves */
429 #if wxUSE_UNICODE_MSLU
430 WXDLLIMPEXP_BASE FILE* wxMSLU__wfopen(const wchar_t *name, const wchar_t *mode);
431 WXDLLIMPEXP_BASE FILE* wxMSLU__wfreopen(const wchar_t *name, const wchar_t *mode, FILE *stream);
432 WXDLLIMPEXP_BASE int wxMSLU__wrename(const wchar_t *oldname, const wchar_t *newname);
433 WXDLLIMPEXP_BASE int wxMSLU__wremove(const wchar_t *name);
434 #define wxCRT_Fopen wxMSLU__wfopen
a007b626 435 #define wxCRT_Freopen wxMSLU__wfreopen
eb9524ca
VS		 436 #define wxCRT_Remove wxMSLU__wremove
437 #define wxCRT_Rename wxMSLU__wrename
438 #else
d6f2a891 439 /* WinCE CRT doesn't provide these functions so use our own */
eb9524ca 440 #ifdef __WXWINCE__
d6f2a891
VZ		 441 WXDLLIMPEXP_BASE int wxCRT_Rename(const wchar_t *src,
442 const wchar_t *dst);
443 WXDLLIMPEXP_BASE int wxCRT_Remove(const wchar_t *path);
eb9524ca 444 #else
d6f2a891 445 #define wxCRT_Rename _wrename
eb9524ca
VS		 446 #define wxCRT_Remove _wremove
447 #endif
d6f2a891
VZ		 448 #define wxCRT_Fopen _wfopen
449 #define wxCRT_Freopen _wfreopen
eb9524ca
VS		 450 #endif
451
28efe654 452#endif /* wxMBFILES/!wxMBFILES */
eb9524ca
VS		 453
454#define wxCRT_PutsA puts
455#define wxCRT_FputsA fputs
456#define wxCRT_FgetsA fgets
457#define wxCRT_FputcA fputc
458#define wxCRT_FgetcA fgetc
459#define wxCRT_UngetcA ungetc
460
410390cf
VS		 461#ifdef wxHAVE_TCHAR_SUPPORT
462 #define wxCRT_PutsW _putws
463 #define wxCRT_FputsW fputws
464 #define wxCRT_FputcW fputwc
465#endif
466#ifdef HAVE_FPUTWS
467 #define wxCRT_FputsW fputws
468#endif
469#ifdef HAVE_PUTWS
470 #define wxCRT_PutsW putws
471#endif
472#ifdef HAVE_FPUTWC
473 #define wxCRT_FputcW fputwc
474#endif
475#define wxCRT_FgetsW fgetws
eb9524ca
VS		 476
477#ifndef wxCRT_PutsW
478WXDLLIMPEXP_BASE int wxCRT_PutsW(const wchar_t *ws);
479#endif
480
481#ifndef wxCRT_FputsW
482WXDLLIMPEXP_BASE int wxCRT_FputsW(const wchar_t *ch, FILE *stream);
483#endif
484
485#ifndef wxCRT_FputcW
486WXDLLIMPEXP_BASE int wxCRT_FputcW(wchar_t wc, FILE *stream);
487#endif
488
57e2b887
VS		 489/*
490 NB: tmpnam() is unsafe and thus is not wrapped!
491 Use other wxWidgets facilities instead:
492 wxFileName::CreateTempFileName, wxTempFile, or wxTempFileOutputStream
493*/
494#define wxTmpnam(x) wxTmpnam_is_insecure_use_wxTempFile_instead
eb9524ca 495
d6f2a891
VZ		 496/* FIXME-CE: provide our own perror() using ::GetLastError() */
497#ifndef __WXWINCE__
498
eb9524ca
VS		 499#define wxCRT_PerrorA perror
500#ifdef wxHAVE_TCHAR_SUPPORT
501 #define wxCRT_PerrorW _wperror
502#endif
503
d6f2a891
VZ		 504#endif /* !__WXWINCE__ */
505
eb9524ca
VS		 506/* -------------------------------------------------------------------------
507 stdlib.h
508 ------------------------------------------------------------------------- */
509
510/* there are no env vars at all under CE, so no _tgetenv neither */
511#ifdef __WXWINCE__
512 /* can't define as inline function as this is a C file... */
d6f2a891
VZ		 513 #define wxCRT_GetenvA(name) (name, NULL)
514 #define wxCRT_GetenvW(name) (name, NULL)
eb9524ca
VS		 515#else
516 #define wxCRT_GetenvA getenv
517 #ifdef _tgetenv
518 #define wxCRT_GetenvW _wgetenv
519 #endif
520#endif
521
522#ifndef wxCRT_GetenvW
523WXDLLIMPEXP_BASE wchar_t * wxCRT_GetenvW(const wchar_t *name);
524#endif
525
526
527#define wxCRT_SystemA system
528/* mingw32 doesn't provide _tsystem() or _wsystem(): */
529#if defined(_tsystem)
530 #define wxCRT_SystemW _wsystem
531#endif
532
533#define wxCRT_AtofA atof
534#define wxCRT_AtoiA atoi
535#define wxCRT_AtolA atol
536
537#if defined(__MWERKS__)
538 #if defined(__MSL__)
539 #define wxCRT_AtofW watof
540 #define wxCRT_AtoiW watoi
541 #define wxCRT_AtolW watol
542 /* else: use ANSI versions */
543 #endif
544#elif defined(wxHAVE_TCHAR_SUPPORT)
545 #define wxCRT_AtoiW _wtoi
546 #define wxCRT_AtolW _wtol
547 /* _wtof doesn't exist */
548#else
28ffb1f2 549#ifndef __VMS
5c15fb21 550 #define wxCRT_AtofW(s) wcstod(s, NULL)
28ffb1f2 551#endif
eb9524ca
VS		 552 #define wxCRT_AtolW(s) wcstol(s, NULL, 10)
553 /* wcstoi doesn't exist */
554#endif
555
556/*
557 There are 2 unrelated problems with these functions under Mac:
558 a) Metrowerks MSL CRT implements them strictly in C99 sense and
559 doesn't support (very common) extension of allowing to call
560 mbstowcs(NULL, ...) which makes it pretty useless as you can't
561 know the size of the needed buffer
562 b) OS X <= 10.2 declares and even defined these functions but
563 doesn't really implement them -- they always return an error
564
565 So use our own replacements in both cases.
566 */
567#if defined(__MWERKS__) && defined(__MSL__)
568 #define wxNEED_WX_MBSTOWCS
569#endif
e2fc40b4
VZ		 570#if defined(__WXPALMOS__)
571 #define wxNEED_WX_MBSTOWCS
572#endif
eb9524ca
VS		 573
574#ifdef __DARWIN__
575 #if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_2
576 #define wxNEED_WX_MBSTOWCS
577 #endif
578#endif
579
580#ifdef wxNEED_WX_MBSTOWCS
581 /* even though they are defined and "implemented", they are bad and just
582 stubs so we need our own - we need these even in ANSI builds!! */
583 WXDLLIMPEXP_BASE size_t wxMbstowcs(wchar_t *, const char *, size_t);
584 WXDLLIMPEXP_BASE size_t wxWcstombs(char *, const wchar_t *, size_t);
585#else
586 #define wxMbstowcs mbstowcs
587 #define wxWcstombs wcstombs
588#endif
589
590
591
592/* -------------------------------------------------------------------------
593 time.h
594 ------------------------------------------------------------------------- */
595
596#define wxCRT_StrftimeA strftime
597/* FIXME-UTF8: when is this available? */
598#define wxCRT_StrftimeW wcsftime
599
600#ifndef wxCRT_StrftimeW
601WXDLLIMPEXP_BASE size_t wxCRT_StrftimeW(wchar_t *s, size_t max,
602 const wchar_t *fmt,
603 const struct tm *tm);
604#endif
605
606
607
608/* -------------------------------------------------------------------------
609 ctype.h
610 ------------------------------------------------------------------------- */
611
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VS		 612#ifdef __WATCOMC__
613 #define WXWCHAR_T_CAST(c) (wint_t)(c)
614#else
615 #define WXWCHAR_T_CAST(c) c
616#endif
617
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VS		 618#define wxCRT_IsalnumW(c) iswalnum(WXWCHAR_T_CAST(c))
619#define wxCRT_IsalphaW(c) iswalpha(WXWCHAR_T_CAST(c))
620#define wxCRT_IscntrlW(c) iswcntrl(WXWCHAR_T_CAST(c))
621#define wxCRT_IsdigitW(c) iswdigit(WXWCHAR_T_CAST(c))
622#define wxCRT_IsgraphW(c) iswgraph(WXWCHAR_T_CAST(c))
623#define wxCRT_IslowerW(c) iswlower(WXWCHAR_T_CAST(c))
624#define wxCRT_IsprintW(c) iswprint(WXWCHAR_T_CAST(c))
625#define wxCRT_IspunctW(c) iswpunct(WXWCHAR_T_CAST(c))
626#define wxCRT_IsspaceW(c) iswspace(WXWCHAR_T_CAST(c))
627#define wxCRT_IsupperW(c) iswupper(WXWCHAR_T_CAST(c))
628#define wxCRT_IsxdigitW(c) iswxdigit(WXWCHAR_T_CAST(c))
629
630#ifdef __GLIBC__
631 #if defined(__GLIBC__) && (__GLIBC__ == 2) && (__GLIBC_MINOR__ == 0)
632 /* /usr/include/wctype.h incorrectly declares translations */
633 /* tables which provokes tons of compile-time warnings -- try */
634 /* to correct this */
635 #define wxCRT_TolowerW(wc) towctrans((wc), (wctrans_t)__ctype_tolower)
636 #define wxCRT_ToupperW(wc) towctrans((wc), (wctrans_t)__ctype_toupper)
637 #else /* !glibc 2.0 */
638 #define wxCRT_TolowerW towlower
639 #define wxCRT_ToupperW towupper
640 #endif
28efe654 641#else /* !__GLIBC__ */
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VS		 642 /* There is a bug in VC6 C RTL: toxxx() functions dosn't do anything
643 with signed chars < 0, so "fix" it here. */
644 #define wxCRT_TolowerW(c) towlower((wxUChar)(wxChar)(c))
645 #define wxCRT_ToupperW(c) towupper((wxUChar)(wxChar)(c))
28efe654 646#endif /* __GLIBC__/!__GLIBC__ */
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VS		 647
648
649
650
651
652/* -------------------------------------------------------------------------
653 wx wrappers for CRT functions in both char* and wchar_t* versions
654 ------------------------------------------------------------------------- */
655
656#ifdef __cplusplus
657
658/* NB: this belongs to wxcrt.h and not this header, but it makes life easier
659 * for buffer.h and stringimpl.h (both of which must be included before
660 * string.h, which is required by wxcrt.h) to have them here: */
661
662/* safe version of strlen() (returns 0 if passed NULL pointer) */
663inline size_t wxStrlen(const char *s) { return s ? wxCRT_StrlenA(s) : 0; }
664inline size_t wxStrlen(const wchar_t *s) { return s ? wxCRT_StrlenW(s) : 0; }
665#define wxWcslen wxCRT_StrlenW
666
667#define wxStrdupA wxCRT_StrdupA
668#define wxStrdupW wxCRT_StrdupW
669inline char* wxStrdup(const char *s) { return wxCRT_StrdupA(s); }
670inline wchar_t* wxStrdup(const wchar_t *s) { return wxCRT_StrdupW(s); }
671
672#endif /* __cplusplus */
673
674#endif /* _WX_WXCRTBASE_H_ */
wxWidgets (Impactor)