source: Daodan/MinGW/include/stdio.h@ 1098

Last change on this file since 1098 was 1046, checked in by alloc, 8 years ago

Daodan: Added Windows MinGW and build batch file
File size: 36.7 KB
Line 
1/*
2 * stdio.h
3 *
4 * Definitions of types and prototypes of functions for operations on
5 * standard input and standard output streams.
6 *
7 * $Id: stdio.h,v 0e4f78dbc1ba 2016/06/17 14:16:01 keithmarshall $
8 *
9 * Written by Colin Peters <colin@bird.fu.is.saga-u.ac.jp>
10 * Copyright (C) 1997-2005, 2007-2010, 2014-2016, MinGW.org Project.
11 *
12 *
13 * Permission is hereby granted, free of charge, to any person obtaining a
14 * copy of this software and associated documentation files (the "Software"),
15 * to deal in the Software without restriction, including without limitation
16 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
17 * and/or sell copies of the Software, and to permit persons to whom the
18 * Software is furnished to do so, subject to the following conditions:
19 *
20 * The above copyright notice, this permission notice, and the following
21 * disclaimer shall be included in all copies or substantial portions of
22 * the Software.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
25 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
26 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
27 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
28 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
29 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OF OR OTHER
30 * DEALINGS IN THE SOFTWARE.
31 *
32 * NOTE: The file manipulation functions provided by Microsoft seem to
33 * work with either slash (/) or backslash (\) as the directory separator;
34 * (this is consistent with Microsoft's own documentation, on MSDN).
35 *
36 */
37#ifndef _STDIO_H
38#pragma GCC system_header
39
40/* When including <wchar.h>, some of the definitions and declarations
41 * which are nominally provided in <stdio.h> must be duplicated. Rather
42 * than require duplicated maintenance effort, we provide for partial
43 * inclusion of <stdio.h> by <wchar.h>; only when not included in
44 * this partial fashion...
45 */
46#ifndef __WCHAR_H_SOURCED__
47 /*
48 * ...which is exclusive to <wchar.h>, do we assert the multiple
49 * inclusion guard for <stdio.h> itself.
50 */
51#define _STDIO_H
52#endif
53
54/* All the headers include this file.
55 */
56#include <_mingw.h>
57
58#ifndef RC_INVOKED
59/* POSIX stipulates that the following set of types, (as identified by
60 * __need_TYPENAME macros), shall be defined consistently with <stddef.h>;
61 * by defining the appropriate __need_TYPENAME macros, we may selectively
62 * obtain the required definitions by inclusion of <stddef.h>, WITHOUT
63 * automatic exposure of any of its additional content.
64 */
65#define __need_NULL
66#define __need_size_t
67#define __need_wchar_t
68#define __need_wint_t
69#include <stddef.h>
70
71#if _POSIX_C_SOURCE >= 200809L
72 /* Similarly, for types defined in <sys/types.h>, (which are explicitly
73 * dependent on the POSIX.1-2008 feature test)...
74 */
75# define __need_off_t
76# define __need_ssize_t
77#endif
78#if !(defined __STRICT_ANSI__ || defined (__NO_MINGW_LFS)) \
79 && defined (__MSVCRT__)
80 /* ...while this is required to support our fseeko64() and ftello64()
81 * implementations, (neither of which is in any way standardized)...
82 */
83# define __need___off64_t
84#endif
85/* It is sufficient to test for just one define from each of the two
86 * preceding groups...
87 */
88#if defined __need_off_t || defined __need___off64_t
89 /* ...to identify a requirement for selective inclusion of one or more
90 * of these type definitions from "sys/types.h"; (note that we use the
91 * #include "..." form here, to ensure that we get the correct header
92 * file, relative to the location of this <stdio.h>).
93 */
94# include "sys/types.h"
95#endif
96
97#ifndef __VALIST
98 /* Also similarly, for the va_list type, defined in "stdarg.h"
99 */
100# if defined __GNUC__ && __GNUC__ >= 3
101# define __need___va_list
102# include "stdarg.h"
103# define __VALIST __builtin_va_list
104# else
105# define __VALIST char *
106# endif
107#endif
108#endif /* ! RC_INVOKED */
109
110#ifdef _STDIO_H
111/* Flags for the iobuf structure
112 */
113#define _IOREAD 1 /* currently reading */
114#define _IOWRT 2 /* currently writing */
115#define _IORW 0x0080 /* opened as "r+w" */
116
117/* The three standard file pointers provided by the run time library.
118 * NOTE: These will go to the bit-bucket silently in GUI applications!
119 */
120#define STDIN_FILENO 0
121#define STDOUT_FILENO 1
122#define STDERR_FILENO 2
123
124/* Returned by various functions on end of file condition or error.
125 */
126#define EOF (-1)
127
128#endif /* _STDIO_H */
129
130/* The maximum length of a file name. It may be better to use the Windows'
131 * GetVolumeInformation() function in preference to this constant, but hey,
132 * this works! Note that <io.h> also defines it, but we don't guard it, so
133 * that the compiler has a chance to catch inconsistencies.
134 *
135 * FIXME: Right now, we define this unconditionally for both full <stdio.h>
136 * inclusion, and for partial inclusion on behalf of <wchar.h>, (which needs
137 * it for some non-ANSI structure declarations). The conditions under which
138 * <wchar.h> needs this require review, because defining it as a consequence
139 * of including <wchar.h> alone may violate strict ANSI conformity.
140 */
141#define FILENAME_MAX (260)
142
143#ifdef _STDIO_H
144/* The maximum number of files that may be open at once. I have set this to
145 * a conservative number. The actual value may be higher.
146 */
147#define FOPEN_MAX (20)
148
149/* After creating this many names, tmpnam and tmpfile return NULL
150 */
151#define TMP_MAX 32767
152
153/* Tmpnam, tmpfile and, sometimes, _tempnam try to create
154 * temp files in the root directory of the current drive
155 * (not in pwd, as suggested by some older MS doc's).
156 * Redefining these macros does not effect the CRT functions.
157 */
158#define _P_tmpdir "\\"
159#ifndef __STRICT_ANSI__
160#define P_tmpdir _P_tmpdir
161#endif
162#define _wP_tmpdir L"\\"
163
164/* The maximum size of name (including NUL) that will be put in the user
165 * supplied buffer caName for tmpnam.
166 * Inferred from the size of the static buffer returned by tmpnam
167 * when passed a NULL argument. May actually be smaller.
168 */
169#define L_tmpnam (16)
170
171#define _IOFBF 0x0000 /* full buffered */
172#define _IOLBF 0x0040 /* line buffered */
173#define _IONBF 0x0004 /* not buffered */
174
175#define _IOMYBUF 0x0008 /* stdio malloc()'d buffer */
176#define _IOEOF 0x0010 /* EOF reached on read */
177#define _IOERR 0x0020 /* I/O error from system */
178#define _IOSTRG 0x0040 /* Strange or no file descriptor */
179#ifdef _POSIX_SOURCE
180# define _IOAPPEND 0x0200
181#endif
182
183/* The buffer size as used by setbuf such that it is equivalent to
184 * (void) setvbuf(fileSetBuffer, caBuffer, _IOFBF, BUFSIZ).
185 */
186#define BUFSIZ 512
187
188/* Constants for nOrigin indicating the position relative to which fseek
189 * sets the file position. Defined unconditionally since ISO and POSIX
190 * say they are defined here.
191 */
192#define SEEK_SET 0
193#define SEEK_CUR 1
194#define SEEK_END 2
195
196#endif /* _STDIO_H */
197
198#ifndef RC_INVOKED
199#if ! (defined _STDIO_H && defined _WCHAR_H)
200/* The structure underlying the FILE type; this should be defined when
201 * including either <stdio.h> or <wchar.h>. If both header include guards
202 * are now in place, then we must currently be including <stdio.h> in its
203 * own right, having already processed this block during a prior partial
204 * inclusion by <wchar.h>; there is no need to process it a second time.
205 *
206 * Some believe that nobody in their right mind should make use of the
207 * internals of this structure. Provided by Pedro A. Aranda Gutiirrez
208 * <paag@tid.es>.
209 */
210typedef struct _iobuf
211{
212 char *_ptr;
213 int _cnt;
214 char *_base;
215 int _flag;
216 int _file;
217 int _charbuf;
218 int _bufsiz;
219 char *_tmpfname;
220} FILE;
221
222#endif /* ! (_STDIO_H && _WCHAR_H) */
223#ifdef _STDIO_H
224/* Content to be exposed only when including <stdio.h> in its own right;
225 * these will not be exposed when __WCHAR_H_SOURCE__ is defined, as will
226 * be the case when <stdio.h> is included indirectly, by <wchar.h>
227 *
228 *
229 * The standard file handles
230 */
231#ifndef __DECLSPEC_SUPPORTED
232
233extern FILE (*_imp___iob)[]; /* A pointer to an array of FILE */
234
235#define _iob (*_imp___iob) /* An array of FILE */
236
237#else /* __DECLSPEC_SUPPORTED */
238
239__MINGW_IMPORT FILE _iob[]; /* An array of FILE imported from DLL. */
240
241#endif /* __DECLSPEC_SUPPORTED */
242
243#define stdin (&_iob[STDIN_FILENO])
244#define stdout (&_iob[STDOUT_FILENO])
245#define stderr (&_iob[STDERR_FILENO])
246
247/* Need to close the current _STDIO_H specific block here...
248 */
249#endif
250/* ...because, we need this regardless of the inclusion mode...
251 */
252_BEGIN_C_DECLS
253
254#ifdef _STDIO_H
255/* ...then revert to _STDIO_H specific mode, to declare...
256 *
257 *
258 * File Operations
259 */
260_CRTIMP __cdecl __MINGW_NOTHROW FILE * fopen (const char *, const char *);
261_CRTIMP __cdecl __MINGW_NOTHROW FILE * freopen (const char *, const char *, FILE *);
262_CRTIMP __cdecl __MINGW_NOTHROW int fflush (FILE *);
263_CRTIMP __cdecl __MINGW_NOTHROW int fclose (FILE *);
264
265/* Note: Microsoft also declares remove & rename (but not their wide char
266 * variants) in <io.h>; since duplicate prototypes are acceptable, provided
267 * they are consistent, we simply declare them here anyway, while allowing
268 * the compiler to check consistency as appropriate.
269 */
270_CRTIMP __cdecl __MINGW_NOTHROW int remove (const char *);
271_CRTIMP __cdecl __MINGW_NOTHROW int rename (const char *, const char *);
272_CRTIMP __cdecl __MINGW_NOTHROW FILE * tmpfile (void);
273_CRTIMP __cdecl __MINGW_NOTHROW char * tmpnam (char *);
274
275#ifndef __STRICT_ANSI__
276_CRTIMP __cdecl __MINGW_NOTHROW char *_tempnam (const char *, const char *);
277_CRTIMP __cdecl __MINGW_NOTHROW int _rmtmp (void);
278_CRTIMP __cdecl __MINGW_NOTHROW int _unlink (const char *);
279
280#if __MSVCRT_VERSION__>=__MSVCR80_DLL
281/* The following pair of non-ANSI functions require a non-free version of
282 * the Microsoft runtime; neither is provided by any MSVCRT.DLL variant.
283 */
284_CRTIMP __cdecl __MINGW_NOTHROW void _lock_file(FILE *);
285_CRTIMP __cdecl __MINGW_NOTHROW void _unlock_file(FILE *);
286#endif
287
288#ifndef NO_OLDNAMES
289_CRTIMP __cdecl __MINGW_NOTHROW char * tempnam (const char *, const char *);
290_CRTIMP __cdecl __MINGW_NOTHROW int rmtmp (void);
291_CRTIMP __cdecl __MINGW_NOTHROW int unlink (const char *);
292#endif
293#endif /* __STRICT_ANSI__ */
294
295_CRTIMP __cdecl __MINGW_NOTHROW int setvbuf (FILE *, char *, int, size_t);
296_CRTIMP __cdecl __MINGW_NOTHROW void setbuf (FILE *, char *);
297
298/* Formatted Output
299 *
300 * MSVCRT implementations are not ANSI C99 conformant...
301 * we offer these conforming alternatives from libmingwex.a
302 */
303#undef __mingw_stdio_redirect__
304#define __mingw_stdio_redirect__(F) __cdecl __MINGW_NOTHROW __mingw_##F
305
306extern int __mingw_stdio_redirect__(fprintf)(FILE*, const char*, ...);
307extern int __mingw_stdio_redirect__(printf)(const char*, ...);
308extern int __mingw_stdio_redirect__(sprintf)(char*, const char*, ...);
309extern int __mingw_stdio_redirect__(snprintf)(char*, size_t, const char*, ...);
310extern int __mingw_stdio_redirect__(vfprintf)(FILE*, const char*, __VALIST);
311extern int __mingw_stdio_redirect__(vprintf)(const char*, __VALIST);
312extern int __mingw_stdio_redirect__(vsprintf)(char*, const char*, __VALIST);
313extern int __mingw_stdio_redirect__(vsnprintf)(char*, size_t, const char*, __VALIST);
314
315/* When using these C99 conforming alternatives, we may wish to support
316 * some of Microsoft's quirky formatting options, even when they violate
317 * strict C99 conformance.
318 */
319#define _MSVC_PRINTF_QUIRKS 0x0100U
320#define _QUERY_MSVC_PRINTF_QUIRKS ~0U, 0U
321#define _DISABLE_MSVC_PRINTF_QUIRKS ~_MSVC_PRINTF_QUIRKS, 0U
322#define _ENABLE_MSVC_PRINTF_QUIRKS ~0U, _MSVC_PRINTF_QUIRKS
323
324/* Those quirks which conflict with ANSI C99 specified behaviour are
325 * disabled by default; use the following function, like this:
326 *
327 * _mingw_output_format_control( _ENABLE_MSVC_PRINTF_QUIRKS );
328 *
329 * to enable them, like this:
330 *
331 * state = _mingw_output_format_control( _QUERY_MSVC_PRINTF_QUIRKS )
332 * & _MSVC_PRINTF_QUIRKS;
333 *
334 * to ascertain the currently active enabled state, or like this:
335 *
336 * _mingw_output_format_control( _DISABLE_MSVC_PRINTF_QUIRKS );
337 *
338 * to disable them again.
339 */
340extern unsigned int _mingw_output_format_control( unsigned int, unsigned int );
341
342#if __USE_MINGW_ANSI_STDIO
343/* User has expressed a preference for C99 conformance...
344 */
345# undef __mingw_stdio_redirect__
346# ifdef __cplusplus
347/* For C++ we use inline implementations, to avoid interference
348 * with namespace qualification, which may result from using #defines.
349 */
350# define __mingw_stdio_redirect__ inline __cdecl __MINGW_NOTHROW
351
352# elif defined __GNUC__
353/* FIXME: Is there any GCC version prerequisite here?
354 *
355 * We also prefer inline implementations for C, when we can be confident
356 * that the GNU specific __inline__ mechanism is supported.
357 */
358# define __mingw_stdio_redirect__ static __inline__ __cdecl __MINGW_NOTHROW
359
360# else
361/* Can't use inlines; fall back on module local static stubs.
362 */
363# define __mingw_stdio_redirect__ static __cdecl __MINGW_NOTHROW
364# endif
365
366__mingw_stdio_redirect__
367int fprintf (FILE *__stream, const char *__format, ...)
368{
369 register int __retval;
370 __builtin_va_list __local_argv; __builtin_va_start( __local_argv, __format );
371 __retval = __mingw_vfprintf( __stream, __format, __local_argv );
372 __builtin_va_end( __local_argv );
373 return __retval;
374}
375
376__mingw_stdio_redirect__
377int printf (const char *__format, ...)
378{
379 register int __retval;
380 __builtin_va_list __local_argv; __builtin_va_start( __local_argv, __format );
381 __retval = __mingw_vprintf( __format, __local_argv );
382 __builtin_va_end( __local_argv );
383 return __retval;
384}
385
386__mingw_stdio_redirect__
387int sprintf (char *__stream, const char *__format, ...)
388{
389 register int __retval;
390 __builtin_va_list __local_argv; __builtin_va_start( __local_argv, __format );
391 __retval = __mingw_vsprintf( __stream, __format, __local_argv );
392 __builtin_va_end( __local_argv );
393 return __retval;
394}
395
396__mingw_stdio_redirect__
397int vfprintf (FILE *__stream, const char *__format, __VALIST __local_argv)
398{
399 return __mingw_vfprintf( __stream, __format, __local_argv );
400}
401
402__mingw_stdio_redirect__
403int vprintf (const char *__format, __VALIST __local_argv)
404{
405 return __mingw_vprintf( __format, __local_argv );
406}
407
408__mingw_stdio_redirect__
409int vsprintf (char *__stream, const char *__format, __VALIST __local_argv)
410{
411 return __mingw_vsprintf( __stream, __format, __local_argv );
412}
413
414#else
415/* Default configuration: simply direct all calls to MSVCRT...
416 */
417_CRTIMP __cdecl __MINGW_NOTHROW int fprintf (FILE *, const char *, ...);
418_CRTIMP __cdecl __MINGW_NOTHROW int printf (const char *, ...);
419_CRTIMP __cdecl __MINGW_NOTHROW int sprintf (char *, const char *, ...);
420_CRTIMP __cdecl __MINGW_NOTHROW int vfprintf (FILE *, const char *, __VALIST);
421_CRTIMP __cdecl __MINGW_NOTHROW int vprintf (const char *, __VALIST);
422_CRTIMP __cdecl __MINGW_NOTHROW int vsprintf (char *, const char *, __VALIST);
423
424#endif
425/* Regardless of user preference, always offer these alternative
426 * entry points, for direct access to the MSVCRT implementations.
427 */
428#undef __mingw_stdio_redirect__
429#define __mingw_stdio_redirect__(F) __cdecl __MINGW_NOTHROW __msvcrt_##F
430
431_CRTIMP int __mingw_stdio_redirect__(fprintf)(FILE *, const char *, ...);
432_CRTIMP int __mingw_stdio_redirect__(printf)(const char *, ...);
433_CRTIMP int __mingw_stdio_redirect__(sprintf)(char *, const char *, ...);
434_CRTIMP int __mingw_stdio_redirect__(vfprintf)(FILE *, const char *, __VALIST);
435_CRTIMP int __mingw_stdio_redirect__(vprintf)(const char *, __VALIST);
436_CRTIMP int __mingw_stdio_redirect__(vsprintf)(char *, const char *, __VALIST);
437
438#undef __mingw_stdio_redirect__
439
440/* The following three ALWAYS refer to the MSVCRT implementations...
441 */
442_CRTIMP __cdecl __MINGW_NOTHROW int _snprintf (char *, size_t, const char *, ...);
443_CRTIMP __cdecl __MINGW_NOTHROW int _vsnprintf (char *, size_t, const char *, __VALIST);
444_CRTIMP __cdecl __MINGW_NOTHROW int _vscprintf (const char *, __VALIST);
445
446#ifdef _ISOC99_SOURCE
447/* Microsoft does not provide implementations for the following,
448 * which are required by C99. Note in particular that Microsoft's
449 * corresponding implementations of _snprintf() and _vsnprintf() are
450 * NOT compatible with C99, but the following are; if you want the
451 * MSVCRT behaviour, you MUST use the Microsoft "uglified" names.
452 */
453__cdecl __MINGW_NOTHROW int snprintf (char *, size_t, const char *, ...);
454__cdecl __MINGW_NOTHROW int vsnprintf (char *, size_t, const char *, __VALIST);
455
456__cdecl __MINGW_NOTHROW int vscanf (const char * __restrict__, __VALIST);
457
458__cdecl __MINGW_NOTHROW
459int vfscanf (FILE * __restrict__, const char * __restrict__, __VALIST);
460
461__cdecl __MINGW_NOTHROW
462int vsscanf (const char * __restrict__, const char * __restrict__, __VALIST);
463
464#endif /* _ISOC99_SOURCE */
465#endif /* <stdio.h> included in its own right */
466
467#if __MSVCRT_VERSION__ >= __MSVCR80_DLL || _WIN32_WINNT >= _WIN32_WINNT_VISTA
468/*
469 * In MSVCR80.DLL, (and its descendants), Microsoft introduced variants
470 * of the printf() functions, with names qualified by an underscore prefix
471 * and "_p" or "_p_l" suffixes; implemented in Microsoft's typically crass,
472 * non-standard, and non-portable fashion, these provide support for access
473 * to printf() arguments in random order, as was standardised by POSIX as a
474 * feature of the optional Extended Systems Interface (XSI) specification,
475 * and is now required for conformity with the POSIX.1-2008 base standard.
476 * Although these additional Microsoft functions were subsequently added
477 * to MSVCRT.DLL, from Windows-Vista onward, and they are prototyped here,
478 * MinGW applications are strenuously encouraged to avoid using them; a
479 * much better alternative is to "#define _XOPEN_SOURCE 700" before any
480 * system header is included, then use POSIX standard printf() functions
481 * instead; this is both portable to many non-Windows platforms, and it
482 * offers better compatibility with earlier Windows versions.
483 */
484#ifndef __have_typedef_locale_t
485/* Note that some of the following require the opaque locale_t data type,
486 * which we may obtain, by selective inclusion, from <locale.h>
487 */
488#define __need_locale_t
489#include <locale.h>
490#endif
491
492#ifdef _STDIO_H
493/* The following are to be declared only when <stdio.h> is explicitly
494 * included; the first six are NOT dependent on locale_t...
495 */
496_CRTIMP __cdecl __MINGW_NOTHROW
497int _printf_p (const char *, ...);
498
499_CRTIMP __cdecl __MINGW_NOTHROW
500int _fprintf_p (FILE *, const char *, ...);
501
502_CRTIMP __cdecl __MINGW_NOTHROW
503int _sprintf_p (char *, size_t, const char *, ...);
504
505_CRTIMP __cdecl __MINGW_NOTHROW
506int _vprintf_p (const char *, __VALIST);
507
508_CRTIMP __cdecl __MINGW_NOTHROW
509int _vfprintf_p (FILE *, const char *, __VALIST);
510
511_CRTIMP __cdecl __MINGW_NOTHROW
512int _vsprintf_p (char *, size_t, const char *, __VALIST);
513
514/* ...whereas the following six DO depend on locale_t.
515 *
516 * CAVEAT: unless you are linking with non-free MSVCR80.DLL, or one
517 * of its later derivatives, good luck trying to use these; see the
518 * explanation in <locale.t>, as to why you may be unable to create,
519 * or otherwise acquire a reference to, a locale_t object.
520 */
521_CRTIMP __cdecl __MINGW_NOTHROW
522int _printf_p_l (const char *, locale_t, ...);
523
524_CRTIMP __cdecl __MINGW_NOTHROW
525int _fprintf_p_l (FILE *, const char *, locale_t, ...);
526
527_CRTIMP __cdecl __MINGW_NOTHROW
528int _sprintf_p_l (char *, size_t, const char *, locale_t, ...);
529
530_CRTIMP __cdecl __MINGW_NOTHROW
531int _vprintf_p_l (const char *, locale_t, __VALIST);
532
533_CRTIMP __cdecl __MINGW_NOTHROW
534int _vfprintf_p_l (FILE *, const char *, locale_t, __VALIST);
535
536_CRTIMP __cdecl __MINGW_NOTHROW
537int _vsprintf_p_l (char *, size_t, const char *, locale_t, __VALIST);
538
539#endif /* <stdio.h> included in its own right */
540#endif /* MSVCR80.DLL and descendants, or MSVCRT.DLL since Vista */
541
542#if ! (defined _STDIO_H && defined _WCHAR_H)
543#if __MSVCRT_VERSION__ >= __MSVCR80_DLL || _WIN32_WINNT >= _WIN32_WINNT_VISTA
544/*
545 * Wide character variants of the foregoing "positional parameter" printf()
546 * functions; MSDN says that these should be declared when either <stdio.h>, or
547 * <wchar.h> is included, so we make them selectively available to <wchar.h>,
548 * but, just as in the foregoing, we advise against their use.
549 */
550_CRTIMP __cdecl __MINGW_NOTHROW
551int _wprintf_p (const wchar_t *, ...);
552
553_CRTIMP __cdecl __MINGW_NOTHROW
554int _fwprintf_p (FILE *, const wchar_t *, ...);
555
556_CRTIMP __cdecl __MINGW_NOTHROW
557int _swprintf_p (wchar_t *, size_t, const wchar_t *, ...);
558
559_CRTIMP __cdecl __MINGW_NOTHROW
560int _vwprintf_p (const wchar_t *, __VALIST);
561
562_CRTIMP __cdecl __MINGW_NOTHROW
563int _vfwprintf_p (FILE *, const wchar_t *, __VALIST);
564
565_CRTIMP __cdecl __MINGW_NOTHROW
566int _vswprintf_p (wchar_t *, size_t, const wchar_t *, __VALIST);
567
568_CRTIMP __cdecl __MINGW_NOTHROW
569int _wprintf_p_l (const wchar_t *, locale_t, ...);
570
571_CRTIMP __cdecl __MINGW_NOTHROW
572int _fwprintf_p_l (FILE *, const wchar_t *, locale_t, ...);
573
574_CRTIMP __cdecl __MINGW_NOTHROW
575int _swprintf_p_l (wchar_t *, size_t, const wchar_t *, locale_t, ...);
576
577_CRTIMP __cdecl __MINGW_NOTHROW
578int _vwprintf_p_l (const wchar_t *, locale_t, __VALIST);
579
580_CRTIMP __cdecl __MINGW_NOTHROW
581int _vfwprintf_p_l (FILE *, const wchar_t *, locale_t, __VALIST);
582
583_CRTIMP __cdecl __MINGW_NOTHROW
584int _vswprintf_p_l (wchar_t *, size_t, const wchar_t *, locale_t, __VALIST);
585
586#endif /* MSVCR80.DLL and descendants, or MSVCRT.DLL since Vista */
587#endif /* ! (defined _STDIO_H && defined _WCHAR_H) */
588#ifdef _STDIO_H
589/* Once again, back to <stdio.h> specific declarations.
590 *
591 *
592 * Formatted Input
593 */
594_CRTIMP __cdecl __MINGW_NOTHROW int fscanf (FILE *, const char *, ...);
595_CRTIMP __cdecl __MINGW_NOTHROW int scanf (const char *, ...);
596_CRTIMP __cdecl __MINGW_NOTHROW int sscanf (const char *, const char *, ...);
597
598/* Character Input and Output Functions
599 */
600_CRTIMP __cdecl __MINGW_NOTHROW int fgetc (FILE *);
601_CRTIMP __cdecl __MINGW_NOTHROW char * fgets (char *, int, FILE *);
602_CRTIMP __cdecl __MINGW_NOTHROW int fputc (int, FILE *);
603_CRTIMP __cdecl __MINGW_NOTHROW int fputs (const char *, FILE *);
604_CRTIMP __cdecl __MINGW_NOTHROW char * gets (char *);
605_CRTIMP __cdecl __MINGW_NOTHROW int puts (const char *);
606_CRTIMP __cdecl __MINGW_NOTHROW int ungetc (int, FILE *);
607
608/* Traditionally, getc and putc are defined as macros. but the
609 * standard doesn't say that they must be macros. We use inline
610 * functions here to allow the fast versions to be used in C++
611 * with namespace qualification, eg., ::getc.
612 *
613 * NOTE: _filbuf and _flsbuf are not thread-safe.
614 */
615_CRTIMP __cdecl __MINGW_NOTHROW int _filbuf (FILE *);
616_CRTIMP __cdecl __MINGW_NOTHROW int _flsbuf (int, FILE *);
617
618#if !defined _MT
619
620__CRT_INLINE __cdecl __MINGW_NOTHROW int getc (FILE *);
621__CRT_INLINE __cdecl __MINGW_NOTHROW int getc (FILE * __F)
622{
623 return (--__F->_cnt >= 0)
624 ? (int) (unsigned char) *__F->_ptr++
625 : _filbuf (__F);
626}
627
628__CRT_INLINE __cdecl __MINGW_NOTHROW int putc (int, FILE *);
629__CRT_INLINE __cdecl __MINGW_NOTHROW int putc (int __c, FILE * __F)
630{
631 return (--__F->_cnt >= 0)
632 ? (int) (unsigned char) (*__F->_ptr++ = (char)__c)
633 : _flsbuf (__c, __F);
634}
635
636__CRT_INLINE __cdecl __MINGW_NOTHROW int getchar (void);
637__CRT_INLINE __cdecl __MINGW_NOTHROW int getchar (void)
638{
639 return (--stdin->_cnt >= 0)
640 ? (int) (unsigned char) *stdin->_ptr++
641 : _filbuf (stdin);
642}
643
644__CRT_INLINE __cdecl __MINGW_NOTHROW int putchar(int);
645__CRT_INLINE __cdecl __MINGW_NOTHROW int putchar(int __c)
646{
647 return (--stdout->_cnt >= 0)
648 ? (int) (unsigned char) (*stdout->_ptr++ = (char)__c)
649 : _flsbuf (__c, stdout);}
650
651#else /* Use library functions. */
652
653_CRTIMP __cdecl __MINGW_NOTHROW int getc (FILE *);
654_CRTIMP __cdecl __MINGW_NOTHROW int putc (int, FILE *);
655_CRTIMP __cdecl __MINGW_NOTHROW int getchar (void);
656_CRTIMP __cdecl __MINGW_NOTHROW int putchar (int);
657
658#endif
659
660/* Direct Input and Output Functions
661 */
662_CRTIMP __cdecl __MINGW_NOTHROW size_t fread (void *, size_t, size_t, FILE *);
663_CRTIMP __cdecl __MINGW_NOTHROW size_t fwrite (const void *, size_t, size_t, FILE *);
664
665/* File Positioning Functions
666 */
667_CRTIMP __cdecl __MINGW_NOTHROW int fseek (FILE *, long, int);
668_CRTIMP __cdecl __MINGW_NOTHROW long ftell (FILE *);
669_CRTIMP __cdecl __MINGW_NOTHROW void rewind (FILE *);
670
671#if _WIN32_WINNT >= _WIN32_WINNT_VISTA || __MSVCRT_VERSION__ >= __MSVCR80_DLL
672 /*
673 * Microsoft introduced a number of variations on fseek() and ftell(),
674 * beginning with MSVCR80.DLL; the bare _fseeki64() and _ftelli64() were
675 * subsequently integrated into MSVCRT.DLL, from Vista onward...
676 */
677_CRTIMP __cdecl __MINGW_NOTHROW int _fseeki64 (FILE *, __int64, int);
678_CRTIMP __cdecl __MINGW_NOTHROW __int64 _ftelli64 (FILE *);
679
680#if __MSVCRT_VERSION__ >= __MSVCR80_DLL
681 /*
682 * ...while the "nolock" variants remain exclusive to MSVCR80.DLL, and
683 * its later MSVC specific derivatives.
684 */
685_CRTIMP __cdecl __MINGW_NOTHROW int _fseek_nolock (FILE *, long, int);
686_CRTIMP __cdecl __MINGW_NOTHROW long _ftell_nolock (FILE *);
687
688_CRTIMP __cdecl __MINGW_NOTHROW int _fseeki64_nolock (FILE *, __int64, int);
689_CRTIMP __cdecl __MINGW_NOTHROW __int64 _ftelli64_nolock (FILE *);
690
691#endif /* MSVCR80.DLL and later derivatives ONLY */
692#endif /* MSVCR80.DLL and descendants, or MSVCRT.DLL since Vista */
693
694#ifdef __USE_MINGW_FSEEK
695/* Workaround for a limitation on Win9x where a file is not zero padded
696 * on write, following a seek beyond the original end of file; these are
697 * implemented in libmingwex.a
698 */
699__cdecl __MINGW_NOTHROW int __mingw_fseek (FILE *, long, int);
700__cdecl __MINGW_NOTHROW size_t __mingw_fwrite (const void *, size_t, size_t, FILE *);
701
702#define fwrite(buffer, size, count, fp) __mingw_fwrite(buffer, size, count, fp)
703#define fseek(fp, offset, whence) __mingw_fseek(fp, offset, whence)
704#endif /* __USE_MINGW_FSEEK */
705
706/* An opaque data type used for storing file positions... The contents of
707 * this type are unknown, but we (the compiler) need to know the size
708 * because the programmer using fgetpos and fsetpos will be setting aside
709 * storage for fpos_t structres. Actually I tested using a byte array and
710 * it is fairly evident that the fpos_t type is a long (in CRTDLL.DLL).
711 * Perhaps an unsigned long? TODO? It's definitely a 64-bit number in
712 * MSVCRT however, and for now `long long' will do.
713 */
714#ifdef __MSVCRT__
715typedef long long fpos_t;
716#else
717typedef long fpos_t;
718#endif
719
720_CRTIMP __cdecl __MINGW_NOTHROW int fgetpos (FILE *, fpos_t *);
721_CRTIMP __cdecl __MINGW_NOTHROW int fsetpos (FILE *, const fpos_t *);
722
723/* Error Functions
724 */
725_CRTIMP __cdecl __MINGW_NOTHROW int feof (FILE *);
726_CRTIMP __cdecl __MINGW_NOTHROW int ferror (FILE *);
727
728#ifdef __cplusplus
729inline __cdecl __MINGW_NOTHROW int feof (FILE * __F){ return __F->_flag & _IOEOF; }
730inline __cdecl __MINGW_NOTHROW int ferror (FILE * __F){ return __F->_flag & _IOERR; }
731#else
732#define feof(__F) ((__F)->_flag & _IOEOF)
733#define ferror(__F) ((__F)->_flag & _IOERR)
734#endif
735
736_CRTIMP __cdecl __MINGW_NOTHROW void clearerr (FILE *);
737_CRTIMP __cdecl __MINGW_NOTHROW void perror (const char *);
738
739
740#ifndef __STRICT_ANSI__
741/*
742 * Pipes
743 */
744_CRTIMP __cdecl __MINGW_NOTHROW FILE * _popen (const char *, const char *);
745_CRTIMP __cdecl __MINGW_NOTHROW int _pclose (FILE *);
746
747#ifndef NO_OLDNAMES
748_CRTIMP __cdecl __MINGW_NOTHROW FILE * popen (const char *, const char *);
749_CRTIMP __cdecl __MINGW_NOTHROW int pclose (FILE *);
750#endif
751
752/* Other Non ANSI functions
753 */
754_CRTIMP __cdecl __MINGW_NOTHROW int _flushall (void);
755_CRTIMP __cdecl __MINGW_NOTHROW int _fgetchar (void);
756_CRTIMP __cdecl __MINGW_NOTHROW int _fputchar (int);
757_CRTIMP __cdecl __MINGW_NOTHROW FILE * _fdopen (int, const char *);
758_CRTIMP __cdecl __MINGW_NOTHROW int _fileno (FILE *);
759_CRTIMP __cdecl __MINGW_NOTHROW int _fcloseall (void);
760_CRTIMP __cdecl __MINGW_NOTHROW FILE * _fsopen (const char *, const char *, int);
761#ifdef __MSVCRT__
762_CRTIMP __cdecl __MINGW_NOTHROW int _getmaxstdio (void);
763_CRTIMP __cdecl __MINGW_NOTHROW int _setmaxstdio (int);
764#endif
765
766/* Microsoft introduced a capability in MSVCR80.DLL and later, to
767 * set the minimum number of digits to be displayed in a printf()
768 * floating point exponent; they retro-fitted this in MSVCRT.DLL,
769 * from Windows-Vista onwards, but we provide our own wrappers in
770 * libmingwex.a, which make it possible for us to emulate the API
771 * for any version of MSVCRT.DLL (including WinXP and earlier).
772 */
773#define _TWO_DIGIT_EXPONENT 1
774
775/* While Microsoft define the preceding manifest constant, they
776 * appear to neglect to define its complement, (for restoration
777 * of their default exponent display format); for orthogonality,
778 * we will provide this regardless of Microsoft's negligence.
779 */
780#define _THREE_DIGIT_EXPONENT 0
781
782/* Once again, unspecified by Microsoft, (and mostly redundant),
783 * it is convenient to specify a combining mask for these.
784 */
785#define _EXPONENT_DIGIT_MASK (_TWO_DIGIT_EXPONENT | _THREE_DIGIT_EXPONENT)
786
787unsigned int __cdecl __mingw_get_output_format (void);
788unsigned int __cdecl __mingw_set_output_format (unsigned int);
789
790/* Also appearing for the first time in MSVCR80.DLL, and then also
791 * retro-fitted to MSVCRT.DLL from Windows-Vista onwards, was this
792 * pair of functions to control availability of "%n" formatting in
793 * the MSVCRT.DLL printf() family of functions, for which we also
794 * provide our own DLL version agnostic wrappers:
795 */
796int __cdecl __mingw_get_printf_count_output (void);
797int __cdecl __mingw_set_printf_count_output (int);
798
799#if __MSVCRT_VERSION__ >= __MSVCR80_DLL
800/* When the user declares that MSVCR80.DLL features are supported,
801 * we simply expose the corresponding APIs...
802 */
803_CRTIMP unsigned int __cdecl __MINGW_NOTHROW _get_output_format (void);
804_CRTIMP unsigned int __cdecl __MINGW_NOTHROW _set_output_format (unsigned int);
805
806_CRTIMP __cdecl __MINGW_NOTHROW int _get_printf_count_output (void);
807_CRTIMP __cdecl __MINGW_NOTHROW int _set_printf_count_output (int);
808
809#else
810/* ...otherwise, we emulate the APIs, in a DLL version agnostic
811 * manner, using our own implementation wrappers.
812 */
813__CRT_ALIAS unsigned int __cdecl _get_output_format (void)
814{ return __mingw_get_output_format (); }
815
816__CRT_ALIAS unsigned int __cdecl _set_output_format (unsigned int __style)
817{ return __mingw_set_output_format (__style); }
818
819/* When using our own printf() implementation, "%n" format is ALWAYS
820 * supported, so we make this API a no-op, reporting it to be so; for
821 * the alternative case, when using MSVCRT.DLL's printf(), we delegate
822 * to our wrapper API implementation, which will invoke the API function
823 * calls within the DLL, if they are available, or persistently report
824 * the state of "%n" formatting as DISABLED if they are not.
825 */
826#if __USE_MINGW_ANSI_STDIO
827/* Note that __USE_MINGW_ANSI_STDIO is not guaranteed to resolve to any
828 * symbol which will represent a compilable logic state; map it to this
829 * alternative which will, for the true state...
830 */
831# define __USE_MINGW_PRINTF 1
832#else
833/* ...and for the false.
834 */
835# define __USE_MINGW_PRINTF 0
836#endif
837
838__CRT_ALIAS int __cdecl _get_printf_count_output (void)
839{ return __USE_MINGW_PRINTF ? 1 : __mingw_get_printf_count_output (); }
840
841__CRT_ALIAS int __cdecl _set_printf_count_output (int __mode)
842{ return __USE_MINGW_PRINTF ? 1 : __mingw_set_printf_count_output (__mode); }
843#endif
844
845#ifndef _NO_OLDNAMES
846_CRTIMP __cdecl __MINGW_NOTHROW int fgetchar (void);
847_CRTIMP __cdecl __MINGW_NOTHROW int fputchar (int);
848_CRTIMP __cdecl __MINGW_NOTHROW FILE * fdopen (int, const char *);
849_CRTIMP __cdecl __MINGW_NOTHROW int fileno (FILE *);
850#endif /* !_NO_OLDNAMES */
851
852#define _fileno(__F) ((__F)->_file)
853#ifndef _NO_OLDNAMES
854#define fileno(__F) ((__F)->_file)
855#endif
856
857#if defined (__MSVCRT__) && ! defined (__NO_MINGW_LFS)
858__CRT_ALIAS FILE * __cdecl __MINGW_NOTHROW fopen64 (const char *, const char *);
859__CRT_ALIAS __JMPSTUB__(( FUNCTION = fopen64, REMAPPED = fopen ))
860FILE * __cdecl __MINGW_NOTHROW fopen64 (const char * filename, const char * mode)
861{ return fopen (filename, mode); }
862
863int __cdecl __MINGW_NOTHROW fseeko64 (FILE *, __off64_t, int);
864
865#ifdef __USE_MINGW_FSEEK
866int __cdecl __MINGW_NOTHROW __mingw_fseeko64 (FILE *, __off64_t, int);
867#define fseeko64(fp, offset, whence) __mingw_fseeko64(fp, offset, whence)
868#endif
869
870__CRT_ALIAS __off64_t __cdecl __MINGW_NOTHROW ftello64 (FILE *);
871__CRT_ALIAS __LIBIMPL__(( FUNCTION = ftello64 ))
872__off64_t __cdecl __MINGW_NOTHROW ftello64 (FILE * stream)
873{ fpos_t __pos; return (fgetpos(stream, &__pos)) ? -1LL : (__off64_t)(__pos); }
874
875#endif /* __MSVCRT__ && !__NO_MINGW_LFS */
876#endif /* !__STRICT_ANSI__ */
877#endif /* _STDIO_H */
878
879#if ! (defined _STDIO_H && defined _WCHAR_H)
880/* The following are declared when including either <stdio.h> or <wchar.h>.
881 * If both header include guards are now in place, then we must currently be
882 * including <stdio.h> in its own right, having already processed this block
883 * during prior partial inclusion by <wchar.h>; there is no need to process
884 * it a second time.
885 */
886_CRTIMP __cdecl __MINGW_NOTHROW int fwprintf (FILE *, const wchar_t *, ...);
887_CRTIMP __cdecl __MINGW_NOTHROW int wprintf (const wchar_t *, ...);
888_CRTIMP __cdecl __MINGW_NOTHROW int vfwprintf (FILE *, const wchar_t *, __VALIST);
889_CRTIMP __cdecl __MINGW_NOTHROW int vwprintf (const wchar_t *, __VALIST);
890_CRTIMP __cdecl __MINGW_NOTHROW int _snwprintf (wchar_t *, size_t, const wchar_t *, ...);
891_CRTIMP __cdecl __MINGW_NOTHROW int _vscwprintf (const wchar_t *, __VALIST);
892_CRTIMP __cdecl __MINGW_NOTHROW int _vsnwprintf (wchar_t *, size_t, const wchar_t *, __VALIST);
893_CRTIMP __cdecl __MINGW_NOTHROW int fwscanf (FILE *, const wchar_t *, ...);
894_CRTIMP __cdecl __MINGW_NOTHROW int wscanf (const wchar_t *, ...);
895_CRTIMP __cdecl __MINGW_NOTHROW int swscanf (const wchar_t *, const wchar_t *, ...);
896_CRTIMP __cdecl __MINGW_NOTHROW wint_t fgetwc (FILE *);
897_CRTIMP __cdecl __MINGW_NOTHROW wint_t fputwc (wchar_t, FILE *);
898_CRTIMP __cdecl __MINGW_NOTHROW wint_t ungetwc (wchar_t, FILE *);
899
900#ifndef __STRICT_ANSI__
901/* These differ from the ISO C prototypes, which have a maxlen parameter (like snprintf).
902 */
903_CRTIMP __cdecl __MINGW_NOTHROW int swprintf (wchar_t *, const wchar_t *, ...);
904_CRTIMP __cdecl __MINGW_NOTHROW int vswprintf (wchar_t *, const wchar_t *, __VALIST);
905#endif
906
907#ifdef __MSVCRT__
908_CRTIMP __cdecl __MINGW_NOTHROW wchar_t * fgetws (wchar_t *, int, FILE *);
909_CRTIMP __cdecl __MINGW_NOTHROW int fputws (const wchar_t *, FILE *);
910_CRTIMP __cdecl __MINGW_NOTHROW wint_t getwc (FILE *);
911_CRTIMP __cdecl __MINGW_NOTHROW wint_t getwchar (void);
912_CRTIMP __cdecl __MINGW_NOTHROW wint_t putwc (wint_t, FILE *);
913_CRTIMP __cdecl __MINGW_NOTHROW wint_t putwchar (wint_t);
914
915#ifndef __STRICT_ANSI__
916_CRTIMP __cdecl __MINGW_NOTHROW wchar_t * _getws (wchar_t *);
917_CRTIMP __cdecl __MINGW_NOTHROW int _putws (const wchar_t *);
918_CRTIMP __cdecl __MINGW_NOTHROW FILE * _wfdopen(int, const wchar_t *);
919_CRTIMP __cdecl __MINGW_NOTHROW FILE * _wfopen (const wchar_t *, const wchar_t *);
920_CRTIMP __cdecl __MINGW_NOTHROW FILE * _wfreopen (const wchar_t *, const wchar_t *, FILE *);
921_CRTIMP __cdecl __MINGW_NOTHROW FILE * _wfsopen (const wchar_t *, const wchar_t *, int);
922_CRTIMP __cdecl __MINGW_NOTHROW wchar_t * _wtmpnam (wchar_t *);
923_CRTIMP __cdecl __MINGW_NOTHROW wchar_t * _wtempnam (const wchar_t *, const wchar_t *);
924_CRTIMP __cdecl __MINGW_NOTHROW int _wrename (const wchar_t *, const wchar_t *);
925_CRTIMP __cdecl __MINGW_NOTHROW int _wremove (const wchar_t *);
926_CRTIMP __cdecl __MINGW_NOTHROW void _wperror (const wchar_t *);
927_CRTIMP __cdecl __MINGW_NOTHROW FILE * _wpopen (const wchar_t *, const wchar_t *);
928
929#endif /* !__STRICT_ANSI__ */
930#endif /* __MSVCRT__ */
931
932#ifdef _ISOC99_SOURCE
933__cdecl __MINGW_NOTHROW int snwprintf (wchar_t *, size_t, const wchar_t *, ...);
934__cdecl __MINGW_NOTHROW int vsnwprintf (wchar_t *, size_t, const wchar_t *, __VALIST);
935
936#ifndef __NO_INLINE__
937__CRT_INLINE __cdecl __MINGW_NOTHROW
938__JMPSTUB__(( FUNCTION = vsnwprintf, REMAPPED = _vsnwprintf ))
939int vsnwprintf (wchar_t *__s, size_t __n, const wchar_t *__fmt, __VALIST __arg)
940{ return _vsnwprintf ( __s, __n, __fmt, __arg); }
941#endif
942
943__cdecl __MINGW_NOTHROW int vwscanf (const wchar_t *__restrict__, __VALIST);
944__cdecl __MINGW_NOTHROW
945int vfwscanf (FILE *__restrict__, const wchar_t *__restrict__, __VALIST);
946__cdecl __MINGW_NOTHROW
947int vswscanf (const wchar_t *__restrict__, const wchar_t * __restrict__, __VALIST);
948
949#endif /* _ISOC99_SOURCE */
950#endif /* ! (_STDIO_H && _WCHAR_H) */
951
952#if defined _STDIO_H && ! defined __STRICT_ANSI__
953#if defined __MSVCRT__ && ! defined _NO_OLDNAMES
954_CRTIMP __cdecl __MINGW_NOTHROW FILE * wpopen (const wchar_t *, const wchar_t *);
955#endif
956
957/* Other non-ANSI wide character functions...
958 */
959_CRTIMP __cdecl __MINGW_NOTHROW wint_t _fgetwchar (void);
960_CRTIMP __cdecl __MINGW_NOTHROW wint_t _fputwchar (wint_t);
961_CRTIMP __cdecl __MINGW_NOTHROW int _getw (FILE *);
962_CRTIMP __cdecl __MINGW_NOTHROW int _putw (int, FILE *);
963
964#ifndef _NO_OLDNAMES
965/* ...and their original names, before Microsoft uglification...
966 */
967_CRTIMP __cdecl __MINGW_NOTHROW wint_t fgetwchar (void);
968_CRTIMP __cdecl __MINGW_NOTHROW wint_t fputwchar (wint_t);
969_CRTIMP __cdecl __MINGW_NOTHROW int getw (FILE *);
970_CRTIMP __cdecl __MINGW_NOTHROW int putw (int, FILE *);
971
972#endif /* !_NO_OLDNAMES */
973#endif /* !__STRICT_ANSI__ */
974
975_END_C_DECLS
976
977#endif /* ! RC_INVOKED */
978#endif /* !_STDIO_H: $RCSfile: stdio.h,v $: end of file */
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