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Fix FILETIME <-> wxDateTime conversions while DST is in effect in wxMSW.
[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!
03647350 29
b7d70f76
FM		 30 NB2: User code should include wx/crt.h instead of including this
31 header directly.
32
eb9524ca
VS		 33 */
34
35#include <stdio.h>
36#include <string.h>
37#include <ctype.h>
bd362275 38#include <wctype.h>
eb9524ca
VS		 39#include <time.h>
40
d6f2a891
VZ		 41#if defined(__WINDOWS__) && !defined(__WXWINCE__)
42 #include <io.h>
4e0a0557 43#endif
eb9524ca
VS		 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
f030eeed
VZ		 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
eb9524ca
VS		 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
2415cf67 66 #if defined(__WX_STRICT_ANSI_GCC__)
eb9524ca
VS		 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
9a83f860 81 #define isspace(c) ((c) == wxT(' ') || (c) == wxT('\t'))
eb9524ca
VS		 82 #endif
83#endif /* _WIN32_WCE */
84
85/* string.h functions */
86#ifndef strdup
2415cf67 87 #if defined(__WXWINCE__)
eb9524ca
VS		 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
eb9524ca
VS		 106/* -------------------------------------------------------------------------
107 UTF-8 locale handling
108 ------------------------------------------------------------------------- */
109
110#ifdef __cplusplus
111 #if wxUSE_UNICODE_UTF8
28efe654
VS		 112 /* flag indicating whether the current locale uses UTF-8 or not; must be
113 updated every time the locale is changed! */
eb9524ca
VS		 114 #if wxUSE_UTF8_LOCALE_ONLY
115 #define wxLocaleIsUtf8 true
116 #else
117 extern WXDLLIMPEXP_BASE bool wxLocaleIsUtf8;
118 #endif
28efe654 119 /* function used to update the flag: */
eb9524ca 120 extern WXDLLIMPEXP_BASE void wxUpdateLocaleIsUtf8();
28efe654 121 #else /* !wxUSE_UNICODE_UTF8 */
eb9524ca 122 inline void wxUpdateLocaleIsUtf8() {}
28efe654
VS		 123 #endif /* wxUSE_UNICODE_UTF8/!wxUSE_UNICODE_UTF8 */
124#endif /* __cplusplus */
eb9524ca
VS		 125
126
127/* -------------------------------------------------------------------------
128 string.h
129 ------------------------------------------------------------------------- */
130
131#define wxCRT_StrcatA strcat
132#define wxCRT_StrchrA strchr
133#define wxCRT_StrcmpA strcmp
eb9524ca
VS		 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
eb9524ca 144
410390cf
VS		 145#define wxCRT_StrcatW wcscat
146#define wxCRT_StrchrW wcschr
147#define wxCRT_StrcmpW wcscmp
410390cf
VS		 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
d6f2a891
VZ		 157
158/* these functions are not defined under CE, at least in VC8 CRT */
bd362275 159#if !defined(__WXWINCE__)
d6f2a891
VZ		 160 #define wxCRT_StrcollA strcoll
161 #define wxCRT_StrxfrmA strxfrm
162
163 #define wxCRT_StrcollW wcscoll
164 #define wxCRT_StrxfrmW wcsxfrm
165#endif /* __WXWINCE__ */
410390cf 166
63e1921d
VZ		 167/* Almost all compilers have strdup(), but VC++ and MinGW call it _strdup().
168 And it's not available in MinGW strict ANSI mode nor under Windows CE. */
169#if (defined(__VISUALC__) && __VISUALC__ >= 1400)
410390cf 170 #define wxCRT_StrdupA _strdup
63e1921d
VZ		 171#elif defined(__MINGW32__)
172 #ifndef __WX_STRICT_ANSI_GCC__
173 #define wxCRT_StrdupA _strdup
174 #endif
175#elif !defined(__WXWINCE__)
410390cf
VS		 176 #define wxCRT_StrdupA strdup
177#endif
4691b518 178
e78c47e3 179/* most Windows compilers provide _wcsdup() */
f030eeed
VZ		 180#if defined(__WINDOWS__) && \
181 !(defined(__CYGWIN__) || defined(__WX_STRICT_ANSI_GCC__))
410390cf 182 #define wxCRT_StrdupW _wcsdup
8a02058a 183#elif defined(HAVE_WCSDUP)
410390cf 184 #define wxCRT_StrdupW wcsdup
eb9524ca
VS		 185#endif
186
187#ifdef wxHAVE_TCHAR_SUPPORT
188 /* we surely have wchar_t if we have TCHAR have wcslen() */
189 #ifndef HAVE_WCSLEN
190 #define HAVE_WCSLEN
191 #endif
192#endif /* wxHAVE_TCHAR_SUPPORT */
193
194#ifdef HAVE_WCSLEN
195 #define wxCRT_StrlenW wcslen
196#endif
197
198#define wxCRT_StrtodA strtod
199#define wxCRT_StrtolA strtol
200#define wxCRT_StrtoulA strtoul
201#define wxCRT_StrtodW wcstod
202#define wxCRT_StrtolW wcstol
203#define wxCRT_StrtoulW wcstoul
204
205#ifdef __VISUALC__
206 #if __VISUALC__ >= 1300 && !defined(__WXWINCE__)
207 #define wxCRT_StrtollA _strtoi64
208 #define wxCRT_StrtoullA _strtoui64
209 #define wxCRT_StrtollW _wcstoi64
210 #define wxCRT_StrtoullW _wcstoui64
211 #endif /* VC++ 7+ */
212#else
213 #ifdef HAVE_STRTOULL
214 #define wxCRT_StrtollA strtoll
215 #define wxCRT_StrtoullA strtoull
216 #endif /* HAVE_STRTOULL */
217 #ifdef HAVE_WCSTOULL
218 /* assume that we have wcstoull(), which is also C99, too */
219 #define wxCRT_StrtollW wcstoll
220 #define wxCRT_StrtoullW wcstoull
221 #endif /* HAVE_WCSTOULL */
222#endif
223
951f792f
VZ		 224/*
225 Only VC8 and later provide strnlen() and wcsnlen() functions under Windows
226 and it's also only available starting from Windows CE 6.0 only in CE build.
227 */
16d2c3ea 228#if wxCHECK_VISUALC_VERSION(8) && (!defined(_WIN32_WCE) || (_WIN32_WCE >= 0x600))
951f792f
VZ		 229 #ifndef HAVE_STRNLEN
230 #define HAVE_STRNLEN
231 #endif
232 #ifndef HAVE_WCSNLEN
233 #define HAVE_WCSNLEN
234 #endif
235#endif
236
237#ifdef HAVE_STRNLEN
f1b63efe 238 #define wxCRT_StrnlenA strnlen
7c5ac499
FM		 239#endif
240
951f792f 241#ifdef HAVE_WCSNLEN
f1b63efe
FM		 242 #define wxCRT_StrnlenW wcsnlen
243#endif
eb9524ca
VS		 244
245/* define wxCRT_StricmpA/W and wxCRT_StrnicmpA/W for various compilers */
246
6689960c
VZ		 247#if defined(__BORLANDC__) || defined(__WATCOMC__) || \
248 defined(__VISAGECPP__) || \
249 defined(__EMX__) || defined(__DJGPP__)
250 #define wxCRT_StricmpA stricmp
251 #define wxCRT_StrnicmpA strnicmp
2415cf67 252#elif defined(__SYMANTEC__) || defined(__VISUALC__)
6689960c
VZ		 253 #define wxCRT_StricmpA _stricmp
254 #define wxCRT_StrnicmpA _strnicmp
f030eeed 255#elif defined(__UNIX__) || (defined(__GNUWIN32__) && !defined(__WX_STRICT_ANSI_GCC__))
6689960c
VZ		 256 #define wxCRT_StricmpA strcasecmp
257 #define wxCRT_StrnicmpA strncasecmp
258/* #else -- use wxWidgets implementation */
259#endif
260
261#ifdef __VISUALC__
262 #define wxCRT_StricmpW _wcsicmp
263 #define wxCRT_StrnicmpW _wcsnicmp
264#elif defined(__UNIX__)
265 #ifdef HAVE_WCSCASECMP
266 #define wxCRT_StricmpW wcscasecmp
eb9524ca 267 #endif
6689960c
VZ		 268 #ifdef HAVE_WCSNCASECMP
269 #define wxCRT_StrnicmpW wcsncasecmp
270 #endif
271/* #else -- use wxWidgets implementation */
272#endif
eb9524ca
VS		 273
274#ifdef HAVE_STRTOK_R
275 #define wxCRT_StrtokA(str, sep, last) strtok_r(str, sep, last)
276#endif
277/* FIXME-UTF8: detect and use wcstok() if available for wxCRT_StrtokW */
278
279/* these are extern "C" because they are used by regex lib: */
280#ifdef __cplusplus
281extern "C" {
282#endif
283
284#ifndef wxCRT_StrlenW
285WXDLLIMPEXP_BASE size_t wxCRT_StrlenW(const wchar_t *s);
286#endif
287
288#ifndef wxCRT_StrncmpW
289WXDLLIMPEXP_BASE int wxCRT_StrncmpW(const wchar_t *s1, const wchar_t *s2, size_t n);
290#endif
291
292#ifdef __cplusplus
293}
294#endif
295
296/* FIXME-UTF8: remove this once we are Unicode only */
297#if wxUSE_UNICODE
298 #define wxCRT_StrlenNative wxCRT_StrlenW
299 #define wxCRT_StrncmpNative wxCRT_StrncmpW
300 #define wxCRT_ToupperNative wxCRT_ToupperW
301 #define wxCRT_TolowerNative wxCRT_TolowerW
302#else
303 #define wxCRT_StrlenNative wxCRT_StrlenA
304 #define wxCRT_StrncmpNative wxCRT_StrncmpA
305 #define wxCRT_ToupperNative toupper
306 #define wxCRT_TolowerNative tolower
307#endif
308
309#ifndef wxCRT_StrcatW
310WXDLLIMPEXP_BASE wchar_t *wxCRT_StrcatW(wchar_t *dest, const wchar_t *src);
311#endif
312
313#ifndef wxCRT_StrchrW
314WXDLLIMPEXP_BASE const wchar_t *wxCRT_StrchrW(const wchar_t *s, wchar_t c);
315#endif
316
317#ifndef wxCRT_StrcmpW
318WXDLLIMPEXP_BASE int wxCRT_StrcmpW(const wchar_t *s1, const wchar_t *s2);
319#endif
320
321#ifndef wxCRT_StrcollW
322WXDLLIMPEXP_BASE int wxCRT_StrcollW(const wchar_t *s1, const wchar_t *s2);
323#endif
324
325#ifndef wxCRT_StrcpyW
326WXDLLIMPEXP_BASE wchar_t *wxCRT_StrcpyW(wchar_t *dest, const wchar_t *src);
327#endif
328
329#ifndef wxCRT_StrcspnW
330WXDLLIMPEXP_BASE size_t wxCRT_StrcspnW(const wchar_t *s, const wchar_t *reject);
331#endif
332
333#ifndef wxCRT_StrncatW
334WXDLLIMPEXP_BASE wchar_t *wxCRT_StrncatW(wchar_t *dest, const wchar_t *src, size_t n);
335#endif
336
337#ifndef wxCRT_StrncpyW
338WXDLLIMPEXP_BASE wchar_t *wxCRT_StrncpyW(wchar_t *dest, const wchar_t *src, size_t n);
339#endif
340
341#ifndef wxCRT_StrpbrkW
342WXDLLIMPEXP_BASE const wchar_t *wxCRT_StrpbrkW(const wchar_t *s, const wchar_t *accept);
343#endif
344
345#ifndef wxCRT_StrrchrW
346WXDLLIMPEXP_BASE const wchar_t *wxCRT_StrrchrW(const wchar_t *s, wchar_t c);
347#endif
348
349#ifndef wxCRT_StrspnW
350WXDLLIMPEXP_BASE size_t wxCRT_StrspnW(const wchar_t *s, const wchar_t *accept);
351#endif
352
353#ifndef wxCRT_StrstrW
354WXDLLIMPEXP_BASE const wchar_t *wxCRT_StrstrW(const wchar_t *haystack, const wchar_t *needle);
355#endif
356
357#ifndef wxCRT_StrtodW
358WXDLLIMPEXP_BASE double wxCRT_StrtodW(const wchar_t *nptr, wchar_t **endptr);
359#endif
360
361#ifndef wxCRT_StrtolW
362WXDLLIMPEXP_BASE long int wxCRT_StrtolW(const wchar_t *nptr, wchar_t **endptr, int base);
363#endif
364
365#ifndef wxCRT_StrtoulW
366WXDLLIMPEXP_BASE unsigned long int wxCRT_StrtoulW(const wchar_t *nptr, wchar_t **endptr, int base);
367#endif
368
369#ifndef wxCRT_StrxfrmW
370WXDLLIMPEXP_BASE size_t wxCRT_StrxfrmW(wchar_t *dest, const wchar_t *src, size_t n);
371#endif
372
373#ifndef wxCRT_StrdupA
374WXDLLIMPEXP_BASE char *wxCRT_StrdupA(const char *psz);
375#endif
376
377#ifndef wxCRT_StrdupW
378WXDLLIMPEXP_BASE wchar_t *wxCRT_StrdupW(const wchar_t *pwz);
379#endif
380
381#ifndef wxCRT_StricmpA
382WXDLLIMPEXP_BASE int wxCRT_StricmpA(const char *psz1, const char *psz2);
383#endif
384
385#ifndef wxCRT_StricmpW
386WXDLLIMPEXP_BASE int wxCRT_StricmpW(const wchar_t *psz1, const wchar_t *psz2);
387#endif
388
389#ifndef wxCRT_StrnicmpA
390WXDLLIMPEXP_BASE int wxCRT_StrnicmpA(const char *psz1, const char *psz2, size_t len);
391#endif
392
393#ifndef wxCRT_StrnicmpW
394WXDLLIMPEXP_BASE int wxCRT_StrnicmpW(const wchar_t *psz1, const wchar_t *psz2, size_t len);
395#endif
396
397#ifndef wxCRT_StrtokA
398WXDLLIMPEXP_BASE char *wxCRT_StrtokA(char *psz, const char *delim, char **save_ptr);
399#endif
400
401#ifndef wxCRT_StrtokW
402WXDLLIMPEXP_BASE wchar_t *wxCRT_StrtokW(wchar_t *psz, const wchar_t *delim, wchar_t **save_ptr);
403#endif
404
405/* supply strtoll and strtoull, if needed */
bdcb2137
VS		 406#ifdef wxLongLong_t
407 #ifndef wxCRT_StrtollA
408 WXDLLIMPEXP_BASE wxLongLong_t wxCRT_StrtollA(const char* nptr,
409 char** endptr,
410 int base);
411 WXDLLIMPEXP_BASE wxULongLong_t wxCRT_StrtoullA(const char* nptr,
412 char** endptr,
413 int base);
414 #endif
415 #ifndef wxCRT_StrtollW
416 WXDLLIMPEXP_BASE wxLongLong_t wxCRT_StrtollW(const wchar_t* nptr,
417 wchar_t** endptr,
418 int base);
419 WXDLLIMPEXP_BASE wxULongLong_t wxCRT_StrtoullW(const wchar_t* nptr,
420 wchar_t** endptr,
421 int base);
422 #endif
e78c47e3 423#endif /* wxLongLong_t */
eb9524ca
VS		 424
425
426/* -------------------------------------------------------------------------
427 stdio.h
428 ------------------------------------------------------------------------- */
429
bd362275 430#if defined(__UNIX__) || defined(__WXMAC__)
eb9524ca
VS		 431 #define wxMBFILES 1
432#else
433 #define wxMBFILES 0
434#endif
435
436
437/* these functions are only needed in the form used for filenames (i.e. char*
438 on Unix, wchar_t* on Windows), so we don't need to use A/W suffix: */
28efe654 439#if wxMBFILES || !wxUSE_UNICODE /* ANSI filenames */
eb9524ca
VS		 440
441 #define wxCRT_Fopen fopen
442 #define wxCRT_Freopen freopen
443 #define wxCRT_Remove remove
444 #define wxCRT_Rename rename
445
28efe654 446#else /* Unicode filenames */
eb9524ca
VS		 447 /* special case: these functions are missing under Win9x with Unicows so we
448 have to implement them ourselves */
f030eeed 449 #if wxUSE_UNICODE_MSLU || defined(__WX_STRICT_ANSI_GCC__)
eb9524ca
VS		 450 WXDLLIMPEXP_BASE FILE* wxMSLU__wfopen(const wchar_t *name, const wchar_t *mode);
451 WXDLLIMPEXP_BASE FILE* wxMSLU__wfreopen(const wchar_t *name, const wchar_t *mode, FILE *stream);
452 WXDLLIMPEXP_BASE int wxMSLU__wrename(const wchar_t *oldname, const wchar_t *newname);
453 WXDLLIMPEXP_BASE int wxMSLU__wremove(const wchar_t *name);
454 #define wxCRT_Fopen wxMSLU__wfopen
a007b626 455 #define wxCRT_Freopen wxMSLU__wfreopen
eb9524ca
VS		 456 #define wxCRT_Remove wxMSLU__wremove
457 #define wxCRT_Rename wxMSLU__wrename
458 #else
d6f2a891 459 /* WinCE CRT doesn't provide these functions so use our own */
eb9524ca 460 #ifdef __WXWINCE__
d6f2a891
VZ		 461 WXDLLIMPEXP_BASE int wxCRT_Rename(const wchar_t *src,
462 const wchar_t *dst);
463 WXDLLIMPEXP_BASE int wxCRT_Remove(const wchar_t *path);
eb9524ca 464 #else
d6f2a891 465 #define wxCRT_Rename _wrename
eb9524ca
VS		 466 #define wxCRT_Remove _wremove
467 #endif
d6f2a891
VZ		 468 #define wxCRT_Fopen _wfopen
469 #define wxCRT_Freopen _wfreopen
eb9524ca
VS		 470 #endif
471
28efe654 472#endif /* wxMBFILES/!wxMBFILES */
eb9524ca
VS		 473
474#define wxCRT_PutsA puts
475#define wxCRT_FputsA fputs
476#define wxCRT_FgetsA fgets
477#define wxCRT_FputcA fputc
478#define wxCRT_FgetcA fgetc
479#define wxCRT_UngetcA ungetc
480
410390cf
VS		 481#ifdef wxHAVE_TCHAR_SUPPORT
482 #define wxCRT_PutsW _putws
483 #define wxCRT_FputsW fputws
484 #define wxCRT_FputcW fputwc
485#endif
486#ifdef HAVE_FPUTWS
487 #define wxCRT_FputsW fputws
488#endif
489#ifdef HAVE_PUTWS
490 #define wxCRT_PutsW putws
491#endif
492#ifdef HAVE_FPUTWC
493 #define wxCRT_FputcW fputwc
494#endif
495#define wxCRT_FgetsW fgetws
eb9524ca
VS		 496
497#ifndef wxCRT_PutsW
498WXDLLIMPEXP_BASE int wxCRT_PutsW(const wchar_t *ws);
499#endif
500
501#ifndef wxCRT_FputsW
502WXDLLIMPEXP_BASE int wxCRT_FputsW(const wchar_t *ch, FILE *stream);
503#endif
504
505#ifndef wxCRT_FputcW
506WXDLLIMPEXP_BASE int wxCRT_FputcW(wchar_t wc, FILE *stream);
507#endif
508
57e2b887
VS		 509/*
510 NB: tmpnam() is unsafe and thus is not wrapped!
511 Use other wxWidgets facilities instead:
512 wxFileName::CreateTempFileName, wxTempFile, or wxTempFileOutputStream
513*/
514#define wxTmpnam(x) wxTmpnam_is_insecure_use_wxTempFile_instead
eb9524ca 515
d6f2a891
VZ		 516/* FIXME-CE: provide our own perror() using ::GetLastError() */
517#ifndef __WXWINCE__
518
eb9524ca
VS		 519#define wxCRT_PerrorA perror
520#ifdef wxHAVE_TCHAR_SUPPORT
521 #define wxCRT_PerrorW _wperror
522#endif
523
d6f2a891
VZ		 524#endif /* !__WXWINCE__ */
525
eb9524ca
VS		 526/* -------------------------------------------------------------------------
527 stdlib.h
528 ------------------------------------------------------------------------- */
529
530/* there are no env vars at all under CE, so no _tgetenv neither */
531#ifdef __WXWINCE__
532 /* can't define as inline function as this is a C file... */
d6f2a891
VZ		 533 #define wxCRT_GetenvA(name) (name, NULL)
534 #define wxCRT_GetenvW(name) (name, NULL)
eb9524ca
VS		 535#else
536 #define wxCRT_GetenvA getenv
537 #ifdef _tgetenv
538 #define wxCRT_GetenvW _wgetenv
539 #endif
540#endif
541
542#ifndef wxCRT_GetenvW
543WXDLLIMPEXP_BASE wchar_t * wxCRT_GetenvW(const wchar_t *name);
544#endif
545
546
547#define wxCRT_SystemA system
548/* mingw32 doesn't provide _tsystem() or _wsystem(): */
549#if defined(_tsystem)
550 #define wxCRT_SystemW _wsystem
551#endif
552
553#define wxCRT_AtofA atof
554#define wxCRT_AtoiA atoi
555#define wxCRT_AtolA atol
556
2415cf67 557#if defined(wxHAVE_TCHAR_SUPPORT) && !defined(__WX_STRICT_ANSI_GCC__)
eb9524ca
VS		 558 #define wxCRT_AtoiW _wtoi
559 #define wxCRT_AtolW _wtol
560 /* _wtof doesn't exist */
561#else
28ffb1f2 562#ifndef __VMS
5c15fb21 563 #define wxCRT_AtofW(s) wcstod(s, NULL)
28ffb1f2 564#endif
eb9524ca
VS		 565 #define wxCRT_AtolW(s) wcstol(s, NULL, 10)
566 /* wcstoi doesn't exist */
567#endif
568
eb9524ca 569#ifdef __DARWIN__
26632ccd 570 #if !defined(__WXOSX_IPHONE__) && MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_2
eb9524ca
VS		 571 #define wxNEED_WX_MBSTOWCS
572 #endif
573#endif
574
575#ifdef wxNEED_WX_MBSTOWCS
576 /* even though they are defined and "implemented", they are bad and just
577 stubs so we need our own - we need these even in ANSI builds!! */
578 WXDLLIMPEXP_BASE size_t wxMbstowcs(wchar_t *, const char *, size_t);
579 WXDLLIMPEXP_BASE size_t wxWcstombs(char *, const wchar_t *, size_t);
580#else
581 #define wxMbstowcs mbstowcs
582 #define wxWcstombs wcstombs
583#endif
584
585
586
587/* -------------------------------------------------------------------------
588 time.h
589 ------------------------------------------------------------------------- */
590
591#define wxCRT_StrftimeA strftime
d0204fee
VZ		 592#ifdef __SGI__
593 /*
594 IRIX provides not one but two versions of wcsftime(): XPG4 one which
595 uses "const char*" for the third parameter and so can't be used and the
596 correct, XPG5, one. Unfortunately we can't just define _XOPEN_SOURCE
597 high enough to get XPG5 version as this undefines other symbols which
598 make other functions we use unavailable (see <standards.h> for gory
599 details). So just declare the XPG5 version ourselves, we're extremely
600 unlikely to ever be compiled on a system without it. But if we ever do,
601 a configure test would need to be added for it (and _MIPS_SYMBOL_PRESENT
602 should be used to check for its presence during run-time, i.e. it would
603 probably be simpler to just always use our own wxCRT_StrftimeW() below
604 if it does ever become a problem).
605 */
a89c31bb
PC		 606#ifdef __cplusplus
607 extern "C"
608#endif
609 size_t
d0204fee
VZ		 610 _xpg5_wcsftime(wchar_t *, size_t, const wchar_t *, const struct tm * );
611 #define wxCRT_StrftimeW _xpg5_wcsftime
612#else
e78c47e3 613 /*
bd362275
VZ		 614 Assume it's always available under non-Unix systems as this does seem
615 to be the case for now. And under Unix we trust configure to detect it
616 (except for SGI special case above).
e78c47e3 617 */
bd362275 618 #if defined(HAVE_WCSFTIME) || !defined(__UNIX__)
d0204fee 619 #define wxCRT_StrftimeW wcsftime
bd362275 620 #endif
d0204fee 621#endif
eb9524ca
VS		 622
623#ifndef wxCRT_StrftimeW
624WXDLLIMPEXP_BASE size_t wxCRT_StrftimeW(wchar_t *s, size_t max,
625 const wchar_t *fmt,
626 const struct tm *tm);
627#endif
628
629
630
631/* -------------------------------------------------------------------------
632 ctype.h
633 ------------------------------------------------------------------------- */
634
eb9524ca
VS		 635#ifdef __WATCOMC__
636 #define WXWCHAR_T_CAST(c) (wint_t)(c)
637#else
638 #define WXWCHAR_T_CAST(c) c
639#endif
640
410390cf
VS		 641#define wxCRT_IsalnumW(c) iswalnum(WXWCHAR_T_CAST(c))
642#define wxCRT_IsalphaW(c) iswalpha(WXWCHAR_T_CAST(c))
643#define wxCRT_IscntrlW(c) iswcntrl(WXWCHAR_T_CAST(c))
644#define wxCRT_IsdigitW(c) iswdigit(WXWCHAR_T_CAST(c))
645#define wxCRT_IsgraphW(c) iswgraph(WXWCHAR_T_CAST(c))
646#define wxCRT_IslowerW(c) iswlower(WXWCHAR_T_CAST(c))
647#define wxCRT_IsprintW(c) iswprint(WXWCHAR_T_CAST(c))
648#define wxCRT_IspunctW(c) iswpunct(WXWCHAR_T_CAST(c))
649#define wxCRT_IsspaceW(c) iswspace(WXWCHAR_T_CAST(c))
650#define wxCRT_IsupperW(c) iswupper(WXWCHAR_T_CAST(c))
651#define wxCRT_IsxdigitW(c) iswxdigit(WXWCHAR_T_CAST(c))
652
653#ifdef __GLIBC__
654 #if defined(__GLIBC__) && (__GLIBC__ == 2) && (__GLIBC_MINOR__ == 0)
655 /* /usr/include/wctype.h incorrectly declares translations */
656 /* tables which provokes tons of compile-time warnings -- try */
657 /* to correct this */
658 #define wxCRT_TolowerW(wc) towctrans((wc), (wctrans_t)__ctype_tolower)
659 #define wxCRT_ToupperW(wc) towctrans((wc), (wctrans_t)__ctype_toupper)
660 #else /* !glibc 2.0 */
661 #define wxCRT_TolowerW towlower
662 #define wxCRT_ToupperW towupper
663 #endif
28efe654 664#else /* !__GLIBC__ */
410390cf
VS		 665 /* There is a bug in VC6 C RTL: toxxx() functions dosn't do anything
666 with signed chars < 0, so "fix" it here. */
667 #define wxCRT_TolowerW(c) towlower((wxUChar)(wxChar)(c))
668 #define wxCRT_ToupperW(c) towupper((wxUChar)(wxChar)(c))
28efe654 669#endif /* __GLIBC__/!__GLIBC__ */
eb9524ca
VS		 670
671
672
673
674
675/* -------------------------------------------------------------------------
676 wx wrappers for CRT functions in both char* and wchar_t* versions
677 ------------------------------------------------------------------------- */
678
679#ifdef __cplusplus
680
681/* NB: this belongs to wxcrt.h and not this header, but it makes life easier
682 * for buffer.h and stringimpl.h (both of which must be included before
683 * string.h, which is required by wxcrt.h) to have them here: */
684
685/* safe version of strlen() (returns 0 if passed NULL pointer) */
686inline size_t wxStrlen(const char *s) { return s ? wxCRT_StrlenA(s) : 0; }
687inline size_t wxStrlen(const wchar_t *s) { return s ? wxCRT_StrlenW(s) : 0; }
676a5687 688#ifndef wxWCHAR_T_IS_WXCHAR16
16882c9e 689 WXDLLIMPEXP_BASE size_t wxStrlen(const wxChar16 *s );
676a5687
RR		 690#endif
691#ifndef wxWCHAR_T_IS_WXCHAR32
16882c9e 692 WXDLLIMPEXP_BASE size_t wxStrlen(const wxChar32 *s );
676a5687 693#endif
eb9524ca
VS		 694#define wxWcslen wxCRT_StrlenW
695
696#define wxStrdupA wxCRT_StrdupA
697#define wxStrdupW wxCRT_StrdupW
698inline char* wxStrdup(const char *s) { return wxCRT_StrdupA(s); }
699inline wchar_t* wxStrdup(const wchar_t *s) { return wxCRT_StrdupW(s); }
676a5687 700#ifndef wxWCHAR_T_IS_WXCHAR16
16882c9e 701 WXDLLIMPEXP_BASE wxChar16* wxStrdup(const wxChar16* s);
676a5687
RR		 702#endif
703#ifndef wxWCHAR_T_IS_WXCHAR32
16882c9e 704 WXDLLIMPEXP_BASE wxChar32* wxStrdup(const wxChar32* s);
676a5687 705#endif
eb9524ca
VS		 706
707#endif /* __cplusplus */
708
709#endif /* _WX_WXCRTBASE_H_ */
wxWidgets (Impactor)