4 * Definitions of types and prototypes of functions for operations on
5 * standard input and standard output streams.
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.
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:
20 * The above copyright notice, this permission notice, and the following
21 * disclaimer shall be included in all copies or substantial portions of
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.
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).
38 #pragma GCC system_header
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...
46 #ifndef __WCHAR_H_SOURCED__
48 * ...which is exclusive to <wchar.h>, do we assert the multiple
49 * inclusion guard for <stdio.h> itself.
54 /* All the headers include this file.
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.
67 #define __need_wchar_t
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)...
76 # define __need_ssize_t
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)...
83 # define __need___off64_t
85 /* It is sufficient to test for just one define from each of the two
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>).
94 # include "sys/types.h"
98 /* Also similarly, for the va_list type, defined in "stdarg.h"
100 # if defined __GNUC__ && __GNUC__ >= 3
101 # define __need___va_list
103 # define __VALIST __builtin_va_list
105 # define __VALIST char *
108 #endif /* ! RC_INVOKED */
111 /* Flags for the iobuf structure
113 #define _IOREAD 1 /* currently reading */
114 #define _IOWRT 2 /* currently writing */
115 #define _IORW 0x0080 /* opened as "r+w" */
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!
120 #define STDIN_FILENO 0
121 #define STDOUT_FILENO 1
122 #define STDERR_FILENO 2
124 /* Returned by various functions on end of file condition or error.
128 #endif /* _STDIO_H */
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.
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.
141 #define FILENAME_MAX (260)
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.
147 #define FOPEN_MAX (20)
149 /* After creating this many names, tmpnam and tmpfile return NULL
151 #define TMP_MAX 32767
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.
158 #define _P_tmpdir "\\"
159 #ifndef __STRICT_ANSI__
160 #define P_tmpdir _P_tmpdir
162 #define _wP_tmpdir L"\\"
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.
169 #define L_tmpnam (16)
171 #define _IOFBF 0x0000 /* full buffered */
172 #define _IOLBF 0x0040 /* line buffered */
173 #define _IONBF 0x0004 /* not buffered */
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 */
180 # define _IOAPPEND 0x0200
183 /* The buffer size as used by setbuf such that it is equivalent to
184 * (void) setvbuf(fileSetBuffer, caBuffer, _IOFBF, BUFSIZ).
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.
196 #endif /* _STDIO_H */
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.
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
210 typedef struct _iobuf
222 #endif /* ! (_STDIO_H && _WCHAR_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>
229 * The standard file handles
231 #ifndef __DECLSPEC_SUPPORTED
233 extern FILE (*_imp___iob)[]; /* A pointer to an array of FILE */
235 #define _iob (*_imp___iob) /* An array of FILE */
237 #else /* __DECLSPEC_SUPPORTED */
239 __MINGW_IMPORT FILE _iob[]; /* An array of FILE imported from DLL. */
241 #endif /* __DECLSPEC_SUPPORTED */
243 #define stdin (&_iob[STDIN_FILENO])
244 #define stdout (&_iob[STDOUT_FILENO])
245 #define stderr (&_iob[STDERR_FILENO])
247 /* Need to close the current _STDIO_H specific block here...
250 /* ...because, we need this regardless of the inclusion mode...
255 /* ...then revert to _STDIO_H specific mode, to declare...
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 *);
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.
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 *);
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 *);
281 _CRTIMP __cdecl __MINGW_NOTHROW char * tempnam (const char *, const char *);
282 _CRTIMP __cdecl __MINGW_NOTHROW int rmtmp (void);
283 _CRTIMP __cdecl __MINGW_NOTHROW int unlink (const char *);
285 #endif /* __STRICT_ANSI__ */
287 _CRTIMP __cdecl __MINGW_NOTHROW int setvbuf (FILE *, char *, int, size_t);
288 _CRTIMP __cdecl __MINGW_NOTHROW void setbuf (FILE *, char *);
292 * MSVCRT implementations are not ANSI C99 conformant...
293 * we offer these conforming alternatives from libmingwex.a
295 #undef __mingw_stdio_redirect__
296 #define __mingw_stdio_redirect__(F) __cdecl __MINGW_NOTHROW __mingw_##F
298 extern int __mingw_stdio_redirect__(fprintf)(FILE*, const char*, ...);
299 extern int __mingw_stdio_redirect__(printf)(const char*, ...);
300 extern int __mingw_stdio_redirect__(sprintf)(char*, const char*, ...);
301 extern int __mingw_stdio_redirect__(snprintf)(char*, size_t, const char*, ...);
302 extern int __mingw_stdio_redirect__(vfprintf)(FILE*, const char*, __VALIST);
303 extern int __mingw_stdio_redirect__(vprintf)(const char*, __VALIST);
304 extern int __mingw_stdio_redirect__(vsprintf)(char*, const char*, __VALIST);
305 extern int __mingw_stdio_redirect__(vsnprintf)(char*, size_t, const char*, __VALIST);
307 /* When using these C99 conforming alternatives, we may wish to support
308 * some of Microsoft's quirky formatting options, even when they violate
309 * strict C99 conformance.
311 #define _MSVC_PRINTF_QUIRKS 0x0100U
312 #define _QUERY_MSVC_PRINTF_QUIRKS ~0U, 0U
313 #define _DISABLE_MSVC_PRINTF_QUIRKS ~_MSVC_PRINTF_QUIRKS, 0U
314 #define _ENABLE_MSVC_PRINTF_QUIRKS ~0U, _MSVC_PRINTF_QUIRKS
316 /* Those quirks which conflict with ANSI C99 specified behaviour are
317 * disabled by default; use the following function, like this:
319 * _mingw_output_format_control( _ENABLE_MSVC_PRINTF_QUIRKS );
321 * to enable them, like this:
323 * state = _mingw_output_format_control( _QUERY_MSVC_PRINTF_QUIRKS )
324 * & _MSVC_PRINTF_QUIRKS;
326 * to ascertain the currently active enabled state, or like this:
328 * _mingw_output_format_control( _DISABLE_MSVC_PRINTF_QUIRKS );
330 * to disable them again.
332 extern unsigned int _mingw_output_format_control( unsigned int, unsigned int );
334 #if __USE_MINGW_ANSI_STDIO
335 /* User has expressed a preference for C99 conformance...
337 # undef __mingw_stdio_redirect__
339 /* For C++ we use inline implementations, to avoid interference
340 * with namespace qualification, which may result from using #defines.
342 # define __mingw_stdio_redirect__ inline __cdecl __MINGW_NOTHROW
344 # elif defined __GNUC__
345 /* FIXME: Is there any GCC version prerequisite here?
347 * We also prefer inline implementations for C, when we can be confident
348 * that the GNU specific __inline__ mechanism is supported.
350 # define __mingw_stdio_redirect__ static __inline__ __cdecl __MINGW_NOTHROW
353 /* Can't use inlines; fall back on module local static stubs.
355 # define __mingw_stdio_redirect__ static __cdecl __MINGW_NOTHROW
358 __mingw_stdio_redirect__
359 int fprintf (FILE *__stream, const char *__format, ...)
361 register int __retval;
362 __builtin_va_list __local_argv; __builtin_va_start( __local_argv, __format );
363 __retval = __mingw_vfprintf( __stream, __format, __local_argv );
364 __builtin_va_end( __local_argv );
368 __mingw_stdio_redirect__
369 int printf (const char *__format, ...)
371 register int __retval;
372 __builtin_va_list __local_argv; __builtin_va_start( __local_argv, __format );
373 __retval = __mingw_vprintf( __format, __local_argv );
374 __builtin_va_end( __local_argv );
378 __mingw_stdio_redirect__
379 int sprintf (char *__stream, const char *__format, ...)
381 register int __retval;
382 __builtin_va_list __local_argv; __builtin_va_start( __local_argv, __format );
383 __retval = __mingw_vsprintf( __stream, __format, __local_argv );
384 __builtin_va_end( __local_argv );
388 __mingw_stdio_redirect__
389 int vfprintf (FILE *__stream, const char *__format, __VALIST __local_argv)
391 return __mingw_vfprintf( __stream, __format, __local_argv );
394 __mingw_stdio_redirect__
395 int vprintf (const char *__format, __VALIST __local_argv)
397 return __mingw_vprintf( __format, __local_argv );
400 __mingw_stdio_redirect__
401 int vsprintf (char *__stream, const char *__format, __VALIST __local_argv)
403 return __mingw_vsprintf( __stream, __format, __local_argv );
407 /* Default configuration: simply direct all calls to MSVCRT...
409 _CRTIMP __cdecl __MINGW_NOTHROW int fprintf (FILE *, const char *, ...);
410 _CRTIMP __cdecl __MINGW_NOTHROW int printf (const char *, ...);
411 _CRTIMP __cdecl __MINGW_NOTHROW int sprintf (char *, const char *, ...);
412 _CRTIMP __cdecl __MINGW_NOTHROW int vfprintf (FILE *, const char *, __VALIST);
413 _CRTIMP __cdecl __MINGW_NOTHROW int vprintf (const char *, __VALIST);
414 _CRTIMP __cdecl __MINGW_NOTHROW int vsprintf (char *, const char *, __VALIST);
417 /* Regardless of user preference, always offer these alternative
418 * entry points, for direct access to the MSVCRT implementations.
420 #undef __mingw_stdio_redirect__
421 #define __mingw_stdio_redirect__(F) __cdecl __MINGW_NOTHROW __msvcrt_##F
423 _CRTIMP int __mingw_stdio_redirect__(fprintf)(FILE *, const char *, ...);
424 _CRTIMP int __mingw_stdio_redirect__(printf)(const char *, ...);
425 _CRTIMP int __mingw_stdio_redirect__(sprintf)(char *, const char *, ...);
426 _CRTIMP int __mingw_stdio_redirect__(vfprintf)(FILE *, const char *, __VALIST);
427 _CRTIMP int __mingw_stdio_redirect__(vprintf)(const char *, __VALIST);
428 _CRTIMP int __mingw_stdio_redirect__(vsprintf)(char *, const char *, __VALIST);
430 #undef __mingw_stdio_redirect__
432 /* The following three ALWAYS refer to the MSVCRT implementations...
434 _CRTIMP __cdecl __MINGW_NOTHROW int _snprintf (char *, size_t, const char *, ...);
435 _CRTIMP __cdecl __MINGW_NOTHROW int _vsnprintf (char *, size_t, const char *, __VALIST);
436 _CRTIMP __cdecl __MINGW_NOTHROW int _vscprintf (const char *, __VALIST);
438 #ifdef _ISOC99_SOURCE
439 /* Microsoft does not provide implementations for the following,
440 * which are required by C99. Note in particular that Microsoft's
441 * corresponding implementations of _snprintf() and _vsnprintf() are
442 * NOT compatible with C99, but the following are; if you want the
443 * MSVCRT behaviour, you MUST use the Microsoft "uglified" names.
445 __cdecl __MINGW_NOTHROW int snprintf (char *, size_t, const char *, ...);
446 __cdecl __MINGW_NOTHROW int vsnprintf (char *, size_t, const char *, __VALIST);
448 __cdecl __MINGW_NOTHROW int vscanf (const char * __restrict__, __VALIST);
450 __cdecl __MINGW_NOTHROW
451 int vfscanf (FILE * __restrict__, const char * __restrict__, __VALIST);
453 __cdecl __MINGW_NOTHROW
454 int vsscanf (const char * __restrict__, const char * __restrict__, __VALIST);
456 #endif /* _ISOC99_SOURCE */
457 #if __MSVCRT_VERSION__ >= __MSVCR80_DLL || _WIN32_WINNT >= _WIN32_WINNT_VISTA
459 * In MSVCR80.DLL, (and its descendants), Microsoft introduced variants
460 * of the printf() functions, with names qualified by an underscore prefix
461 * and "_p" or "_p_l" suffixes; implemented in Microsoft's typically crass,
462 * non-standard, and non-portable fashion, these provide support for access
463 * to printf() arguments in random order, as was standardised by POSIX as a
464 * feature of the optional Extended Systems Interface (XSI) specification,
465 * and is now required for conformity with the POSIX.1-2008 base standard.
466 * Although these additional Microsoft functions were subsequently added
467 * to MSVCRT.DLL, from Windows-Vista onward, and they are prototyped here,
468 * MinGW applications are strenuously encouraged to avoid using them; a
469 * much better alternative is to "#define _XOPEN_SOURCE 700" before any
470 * system header is included, then use POSIX standard printf() functions
471 * instead; this is both portable to many non-Windows platforms, and it
472 * offers better compatibility with earlier Windows versions.
474 _CRTIMP __cdecl __MINGW_NOTHROW
475 int _printf_p (const char *, ...);
477 _CRTIMP __cdecl __MINGW_NOTHROW
478 int _fprintf_p (FILE *, const char *, ...);
480 _CRTIMP __cdecl __MINGW_NOTHROW
481 int _sprintf_p (char *, size_t, const char *, ...);
483 _CRTIMP __cdecl __MINGW_NOTHROW
484 int _vprintf_p (const char *, __VALIST);
486 _CRTIMP __cdecl __MINGW_NOTHROW
487 int _vfprintf_p (FILE *, const char *, __VALIST);
489 _CRTIMP __cdecl __MINGW_NOTHROW
490 int _vsprintf_p (char *, size_t, const char *, __VALIST);
492 #ifndef __have_typedef_locale_t
493 /* The following require the opaque locale_t data type, which we
494 * may obtain, by selective inclusion, from <locale.h>
496 * CAVEAT: unless you are linking with non-free MSVCR80.DLL, or one
497 * of its later derivatives, good luck trying to use these; see the
498 * explanation in <locale.t>, as to why you may be unable to create,
499 * or otherwise acquire a reference to, a locale_t object.
501 #define __need_locale_t
505 _CRTIMP __cdecl __MINGW_NOTHROW
506 int _printf_p_l (const char *, locale_t, ...);
508 _CRTIMP __cdecl __MINGW_NOTHROW
509 int _fprintf_p_l (FILE *, const char *, locale_t, ...);
511 _CRTIMP __cdecl __MINGW_NOTHROW
512 int _sprintf_p_l (char *, size_t, const char *, locale_t, ...);
514 _CRTIMP __cdecl __MINGW_NOTHROW
515 int _vprintf_p_l (const char *, locale_t, __VALIST);
517 _CRTIMP __cdecl __MINGW_NOTHROW
518 int _vfprintf_p_l (FILE *, const char *, locale_t, __VALIST);
520 _CRTIMP __cdecl __MINGW_NOTHROW
521 int _vsprintf_p_l (char *, size_t, const char *, locale_t, __VALIST);
523 #endif /* MSVCR80.DLL and descendants, or MSVCRT.DLL since Vista */
524 #endif /* <stdio.h> included in its own right */
525 #if ! (defined _STDIO_H && defined _WCHAR_H)
526 #if __MSVCRT_VERSION__ >= __MSVCR80_DLL || _WIN32_WINNT >= _WIN32_WINNT_VISTA
528 * Wide character variants of the foregoing "positional parameter" printf()
529 * functions; MSDN says that these should be declared when either <stdio.h>, or
530 * <wchar.h> is included, so we make them selectively available to <wchar.h>,
531 * but, just as in the foregoing, we advise against their use.
533 _CRTIMP __cdecl __MINGW_NOTHROW
534 int _wprintf_p (const wchar_t *, ...);
536 _CRTIMP __cdecl __MINGW_NOTHROW
537 int _fwprintf_p (FILE *, const wchar_t *, ...);
539 _CRTIMP __cdecl __MINGW_NOTHROW
540 int _swprintf_p (wchar_t *, size_t, const wchar_t *, ...);
542 _CRTIMP __cdecl __MINGW_NOTHROW
543 int _vwprintf_p (const wchar_t *, __VALIST);
545 _CRTIMP __cdecl __MINGW_NOTHROW
546 int _vfwprintf_p (FILE *, const wchar_t *, __VALIST);
548 _CRTIMP __cdecl __MINGW_NOTHROW
549 int _vswprintf_p (wchar_t *, size_t, const wchar_t *, __VALIST);
551 #ifndef __have_typedef_locale_t
552 /* The following also require the locale_t data type, which we may
553 * obtain if necessary, by selective inclusion, from <locale.h>
555 * CAVEAT: use of these is subject to the same limitations as are
556 * applicable to their "char *" counterparts; (see above).
558 #define __need_locale_t
562 _CRTIMP __cdecl __MINGW_NOTHROW
563 int _wprintf_p_l (const wchar_t *, locale_t, ...);
565 _CRTIMP __cdecl __MINGW_NOTHROW
566 int _fwprintf_p_l (FILE *, const wchar_t *, locale_t, ...);
568 _CRTIMP __cdecl __MINGW_NOTHROW
569 int _swprintf_p_l (wchar_t *, size_t, const wchar_t *, locale_t, ...);
571 _CRTIMP __cdecl __MINGW_NOTHROW
572 int _vwprintf_p_l (const wchar_t *, locale_t, __VALIST);
574 _CRTIMP __cdecl __MINGW_NOTHROW
575 int _vfwprintf_p_l (FILE *, const wchar_t *, locale_t, __VALIST);
577 _CRTIMP __cdecl __MINGW_NOTHROW
578 int _vswprintf_p_l (wchar_t *, size_t, const wchar_t *, locale_t, __VALIST);
580 #endif /* MSVCR80.DLL and descendants, or MSVCRT.DLL since Vista */
581 #endif /* ! (defined _STDIO_H && defined _WCHAR_H) */
583 /* Once again, back to <stdio.h> specific declarations.
588 _CRTIMP __cdecl __MINGW_NOTHROW int fscanf (FILE *, const char *, ...);
589 _CRTIMP __cdecl __MINGW_NOTHROW int scanf (const char *, ...);
590 _CRTIMP __cdecl __MINGW_NOTHROW int sscanf (const char *, const char *, ...);
592 /* Character Input and Output Functions
594 _CRTIMP __cdecl __MINGW_NOTHROW int fgetc (FILE *);
595 _CRTIMP __cdecl __MINGW_NOTHROW char * fgets (char *, int, FILE *);
596 _CRTIMP __cdecl __MINGW_NOTHROW int fputc (int, FILE *);
597 _CRTIMP __cdecl __MINGW_NOTHROW int fputs (const char *, FILE *);
598 _CRTIMP __cdecl __MINGW_NOTHROW char * gets (char *);
599 _CRTIMP __cdecl __MINGW_NOTHROW int puts (const char *);
600 _CRTIMP __cdecl __MINGW_NOTHROW int ungetc (int, FILE *);
602 /* Traditionally, getc and putc are defined as macros. but the
603 * standard doesn't say that they must be macros. We use inline
604 * functions here to allow the fast versions to be used in C++
605 * with namespace qualification, eg., ::getc.
607 * NOTE: _filbuf and _flsbuf are not thread-safe.
609 _CRTIMP __cdecl __MINGW_NOTHROW int _filbuf (FILE *);
610 _CRTIMP __cdecl __MINGW_NOTHROW int _flsbuf (int, FILE *);
614 __CRT_INLINE __cdecl __MINGW_NOTHROW int getc (FILE * __F)
616 return (--__F->_cnt >= 0)
617 ? (int) (unsigned char) *__F->_ptr++
621 __CRT_INLINE __cdecl __MINGW_NOTHROW int putc (int __c, FILE * __F)
623 return (--__F->_cnt >= 0)
624 ? (int) (unsigned char) (*__F->_ptr++ = (char)__c)
625 : _flsbuf (__c, __F);
628 __CRT_INLINE __cdecl __MINGW_NOTHROW int getchar (void)
630 return (--stdin->_cnt >= 0)
631 ? (int) (unsigned char) *stdin->_ptr++
635 __CRT_INLINE __cdecl __MINGW_NOTHROW int putchar(int __c)
637 return (--stdout->_cnt >= 0)
638 ? (int) (unsigned char) (*stdout->_ptr++ = (char)__c)
639 : _flsbuf (__c, stdout);}
641 #else /* Use library functions. */
643 _CRTIMP __cdecl __MINGW_NOTHROW int getc (FILE *);
644 _CRTIMP __cdecl __MINGW_NOTHROW int putc (int, FILE *);
645 _CRTIMP __cdecl __MINGW_NOTHROW int getchar (void);
646 _CRTIMP __cdecl __MINGW_NOTHROW int putchar (int);
650 /* Direct Input and Output Functions
652 _CRTIMP __cdecl __MINGW_NOTHROW size_t fread (void *, size_t, size_t, FILE *);
653 _CRTIMP __cdecl __MINGW_NOTHROW size_t fwrite (const void *, size_t, size_t, FILE *);
655 /* File Positioning Functions
657 _CRTIMP __cdecl __MINGW_NOTHROW int fseek (FILE *, long, int);
658 _CRTIMP __cdecl __MINGW_NOTHROW long ftell (FILE *);
659 _CRTIMP __cdecl __MINGW_NOTHROW void rewind (FILE *);
661 #if _WIN32_WINNT >= _WIN32_WINNT_VISTA || __MSVCRT_VERSION__ >= __MSVCR80_DLL
663 * Microsoft introduced a number of variations on fseek() and ftell(),
664 * beginning with MSVCR80.DLL; the bare _fseeki64() and _ftelli64() were
665 * subsequently integrated into MSVCRT.DLL, from Vista onward...
667 _CRTIMP __cdecl __MINGW_NOTHROW int _fseeki64 (FILE *, __int64, int);
668 _CRTIMP __cdecl __MINGW_NOTHROW __int64 _ftelli64 (FILE *);
670 #if __MSVCRT_VERSION__ >= __MSVCR80_DLL
672 * ...while the "nolock" variants remain exclusive to MSVCR80.DLL, and
673 * its later MSVC specific derivatives.
675 _CRTIMP __cdecl __MINGW_NOTHROW int _fseek_nolock (FILE *, long, int);
676 _CRTIMP __cdecl __MINGW_NOTHROW long _ftell_nolock (FILE *);
678 _CRTIMP __cdecl __MINGW_NOTHROW int _fseeki64_nolock (FILE *, __int64, int);
679 _CRTIMP __cdecl __MINGW_NOTHROW __int64 _ftelli64_nolock (FILE *);
681 #endif /* MSVCR80.DLL and later derivatives ONLY */
682 #endif /* MSVCR80.DLL and descendants, or MSVCRT.DLL since Vista */
684 #ifdef __USE_MINGW_FSEEK
685 /* Workaround for a limitation on Win9x where a file is not zero padded
686 * on write, following a seek beyond the original end of file; these are
687 * implemented in libmingwex.a
689 __cdecl __MINGW_NOTHROW int __mingw_fseek (FILE *, long, int);
690 __cdecl __MINGW_NOTHROW size_t __mingw_fwrite (const void *, size_t, size_t, FILE *);
692 #define fwrite(buffer, size, count, fp) __mingw_fwrite(buffer, size, count, fp)
693 #define fseek(fp, offset, whence) __mingw_fseek(fp, offset, whence)
694 #endif /* __USE_MINGW_FSEEK */
696 /* An opaque data type used for storing file positions... The contents of
697 * this type are unknown, but we (the compiler) need to know the size
698 * because the programmer using fgetpos and fsetpos will be setting aside
699 * storage for fpos_t structres. Actually I tested using a byte array and
700 * it is fairly evident that the fpos_t type is a long (in CRTDLL.DLL).
701 * Perhaps an unsigned long? TODO? It's definitely a 64-bit number in
702 * MSVCRT however, and for now `long long' will do.
705 typedef long long fpos_t;
710 _CRTIMP __cdecl __MINGW_NOTHROW int fgetpos (FILE *, fpos_t *);
711 _CRTIMP __cdecl __MINGW_NOTHROW int fsetpos (FILE *, const fpos_t *);
715 _CRTIMP __cdecl __MINGW_NOTHROW int feof (FILE *);
716 _CRTIMP __cdecl __MINGW_NOTHROW int ferror (FILE *);
719 inline __cdecl __MINGW_NOTHROW int feof (FILE * __F){ return __F->_flag & _IOEOF; }
720 inline __cdecl __MINGW_NOTHROW int ferror (FILE * __F){ return __F->_flag & _IOERR; }
722 #define feof(__F) ((__F)->_flag & _IOEOF)
723 #define ferror(__F) ((__F)->_flag & _IOERR)
726 _CRTIMP __cdecl __MINGW_NOTHROW void clearerr (FILE *);
727 _CRTIMP __cdecl __MINGW_NOTHROW void perror (const char *);
730 #ifndef __STRICT_ANSI__
734 _CRTIMP __cdecl __MINGW_NOTHROW FILE * _popen (const char *, const char *);
735 _CRTIMP __cdecl __MINGW_NOTHROW int _pclose (FILE *);
738 _CRTIMP __cdecl __MINGW_NOTHROW FILE * popen (const char *, const char *);
739 _CRTIMP __cdecl __MINGW_NOTHROW int pclose (FILE *);
742 /* Other Non ANSI functions
744 _CRTIMP __cdecl __MINGW_NOTHROW int _flushall (void);
745 _CRTIMP __cdecl __MINGW_NOTHROW int _fgetchar (void);
746 _CRTIMP __cdecl __MINGW_NOTHROW int _fputchar (int);
747 _CRTIMP __cdecl __MINGW_NOTHROW FILE * _fdopen (int, const char *);
748 _CRTIMP __cdecl __MINGW_NOTHROW int _fileno (FILE *);
749 _CRTIMP __cdecl __MINGW_NOTHROW int _fcloseall (void);
750 _CRTIMP __cdecl __MINGW_NOTHROW FILE * _fsopen (const char *, const char *, int);
752 _CRTIMP __cdecl __MINGW_NOTHROW int _getmaxstdio (void);
753 _CRTIMP __cdecl __MINGW_NOTHROW int _setmaxstdio (int);
756 /* Microsoft introduced a capability in MSVCR80.DLL and later, to
757 * set the minimum number of digits to be displayed in a printf()
758 * floating point exponent; they retro-fitted this in MSVCRT.DLL,
759 * from Windows-Vista onwards, but we provide our own wrappers in
760 * libmingwex.a, which make it possible for us to emulate the API
761 * for any version of MSVCRT.DLL (including WinXP and earlier).
763 #define _TWO_DIGIT_EXPONENT 1
765 /* While Microsoft define the preceding manifest constant, they
766 * appear to neglect to define its complement, (for restoration
767 * of their default exponent display format); for orthogonality,
768 * we will provide this regardless of Microsoft's negligence.
770 #define _THREE_DIGIT_EXPONENT 0
772 /* Once again, unspecified by Microsoft, (and mostly redundant),
773 * it is convenient to specify a combining mask for these.
775 #define _EXPONENT_DIGIT_MASK (_TWO_DIGIT_EXPONENT | _THREE_DIGIT_EXPONENT)
777 unsigned int __cdecl __mingw_get_output_format (void);
778 unsigned int __cdecl __mingw_set_output_format (unsigned int);
780 /* Also appearing for the first time in MSVCR80.DLL, and then also
781 * retro-fitted to MSVCRT.DLL from Windows-Vista onwards, was this
782 * pair of functions to control availability of "%n" formatting in
783 * the MSVCRT.DLL printf() family of functions, for which we also
784 * provide our own DLL version agnostic wrappers:
786 int __cdecl __mingw_get_printf_count_output (void);
787 int __cdecl __mingw_set_printf_count_output (int);
789 #if __MSVCRT_VERSION__ >= __MSVCR80_DLL
790 /* When the user declares that MSVCR80.DLL features are supported,
791 * we simply expose the corresponding APIs...
793 _CRTIMP unsigned int __cdecl __MINGW_NOTHROW _get_output_format (void);
794 _CRTIMP unsigned int __cdecl __MINGW_NOTHROW _set_output_format (unsigned int);
796 _CRTIMP __cdecl __MINGW_NOTHROW int _get_printf_count_output (void);
797 _CRTIMP __cdecl __MINGW_NOTHROW int _set_printf_count_output (int);
800 /* ...otherwise, we emulate the APIs, in a DLL version agnostic
801 * manner, using our own implementation wrappers.
803 __CRT_ALIAS unsigned int __cdecl _get_output_format (void)
804 { return __mingw_get_output_format (); }
806 __CRT_ALIAS unsigned int __cdecl _set_output_format (unsigned int __style)
807 { return __mingw_set_output_format (__style); }
809 /* When using our own printf() implementation, "%n" format is ALWAYS
810 * supported, so we make this API a no-op, reporting it to be so; for
811 * the alternative case, when using MSVCRT.DLL's printf(), we delegate
812 * to our wrapper API implementation, which will invoke the API function
813 * calls within the DLL, if they are available, or persistently report
814 * the state of "%n" formatting as DISABLED if they are not.
816 #if __USE_MINGW_ANSI_STDIO
817 /* Note that __USE_MINGW_ANSI_STDIO is not guaranteed to resolve to any
818 * symbol which will represent a compilable logic state; map it to this
819 * alternative which will, for the true state...
821 # define __USE_MINGW_PRINTF 1
823 /* ...and for the false.
825 # define __USE_MINGW_PRINTF 0
828 __CRT_ALIAS int __cdecl _get_printf_count_output (void)
829 { return __USE_MINGW_PRINTF ? 1 : __mingw_get_printf_count_output (); }
831 __CRT_ALIAS int __cdecl _set_printf_count_output (int __mode)
832 { return __USE_MINGW_PRINTF ? 1 : __mingw_set_printf_count_output (__mode); }
836 _CRTIMP __cdecl __MINGW_NOTHROW int fgetchar (void);
837 _CRTIMP __cdecl __MINGW_NOTHROW int fputchar (int);
838 _CRTIMP __cdecl __MINGW_NOTHROW FILE * fdopen (int, const char *);
839 _CRTIMP __cdecl __MINGW_NOTHROW int fileno (FILE *);
840 #endif /* !_NO_OLDNAMES */
842 #define _fileno(__F) ((__F)->_file)
844 #define fileno(__F) ((__F)->_file)
847 #if defined (__MSVCRT__) && ! defined (__NO_MINGW_LFS)
848 __CRT_INLINE __JMPSTUB__(( FUNCTION = fopen64, REMAPPED = fopen ))
849 FILE * __cdecl __MINGW_NOTHROW fopen64 (const char * filename, const char * mode)
850 { return fopen (filename, mode); }
852 int __cdecl __MINGW_NOTHROW fseeko64 (FILE *, __off64_t, int);
854 #ifdef __USE_MINGW_FSEEK
855 int __cdecl __MINGW_NOTHROW __mingw_fseeko64 (FILE *, __off64_t, int);
856 #define fseeko64(fp, offset, whence) __mingw_fseeko64(fp, offset, whence)
859 __CRT_INLINE __LIBIMPL__(( FUNCTION = ftello64 ))
860 __off64_t __cdecl __MINGW_NOTHROW ftello64 (FILE * stream)
861 { fpos_t __pos; return (fgetpos(stream, &__pos)) ? -1LL : (__off64_t)(__pos); }
863 #endif /* __MSVCRT__ && !__NO_MINGW_LFS */
864 #endif /* !__STRICT_ANSI__ */
865 #endif /* _STDIO_H */
867 #if ! (defined _STDIO_H && defined _WCHAR_H)
868 /* The following are declared when including either <stdio.h> or <wchar.h>.
869 * If both header include guards are now in place, then we must currently be
870 * including <stdio.h> in its own right, having already processed this block
871 * during prior partial inclusion by <wchar.h>; there is no need to process
874 _CRTIMP __cdecl __MINGW_NOTHROW int fwprintf (FILE *, const wchar_t *, ...);
875 _CRTIMP __cdecl __MINGW_NOTHROW int wprintf (const wchar_t *, ...);
876 _CRTIMP __cdecl __MINGW_NOTHROW int vfwprintf (FILE *, const wchar_t *, __VALIST);
877 _CRTIMP __cdecl __MINGW_NOTHROW int vwprintf (const wchar_t *, __VALIST);
878 _CRTIMP __cdecl __MINGW_NOTHROW int _snwprintf (wchar_t *, size_t, const wchar_t *, ...);
879 _CRTIMP __cdecl __MINGW_NOTHROW int _vscwprintf (const wchar_t *, __VALIST);
880 _CRTIMP __cdecl __MINGW_NOTHROW int _vsnwprintf (wchar_t *, size_t, const wchar_t *, __VALIST);
881 _CRTIMP __cdecl __MINGW_NOTHROW int fwscanf (FILE *, const wchar_t *, ...);
882 _CRTIMP __cdecl __MINGW_NOTHROW int wscanf (const wchar_t *, ...);
883 _CRTIMP __cdecl __MINGW_NOTHROW int swscanf (const wchar_t *, const wchar_t *, ...);
884 _CRTIMP __cdecl __MINGW_NOTHROW wint_t fgetwc (FILE *);
885 _CRTIMP __cdecl __MINGW_NOTHROW wint_t fputwc (wchar_t, FILE *);
886 _CRTIMP __cdecl __MINGW_NOTHROW wint_t ungetwc (wchar_t, FILE *);
888 #ifndef __STRICT_ANSI__
889 /* These differ from the ISO C prototypes, which have a maxlen parameter (like snprintf).
891 _CRTIMP __cdecl __MINGW_NOTHROW int swprintf (wchar_t *, const wchar_t *, ...);
892 _CRTIMP __cdecl __MINGW_NOTHROW int vswprintf (wchar_t *, const wchar_t *, __VALIST);
896 _CRTIMP __cdecl __MINGW_NOTHROW wchar_t * fgetws (wchar_t *, int, FILE *);
897 _CRTIMP __cdecl __MINGW_NOTHROW int fputws (const wchar_t *, FILE *);
898 _CRTIMP __cdecl __MINGW_NOTHROW wint_t getwc (FILE *);
899 _CRTIMP __cdecl __MINGW_NOTHROW wint_t getwchar (void);
900 _CRTIMP __cdecl __MINGW_NOTHROW wint_t putwc (wint_t, FILE *);
901 _CRTIMP __cdecl __MINGW_NOTHROW wint_t putwchar (wint_t);
903 #ifndef __STRICT_ANSI__
904 _CRTIMP __cdecl __MINGW_NOTHROW wchar_t * _getws (wchar_t *);
905 _CRTIMP __cdecl __MINGW_NOTHROW int _putws (const wchar_t *);
906 _CRTIMP __cdecl __MINGW_NOTHROW FILE * _wfdopen(int, const wchar_t *);
907 _CRTIMP __cdecl __MINGW_NOTHROW FILE * _wfopen (const wchar_t *, const wchar_t *);
908 _CRTIMP __cdecl __MINGW_NOTHROW FILE * _wfreopen (const wchar_t *, const wchar_t *, FILE *);
909 _CRTIMP __cdecl __MINGW_NOTHROW FILE * _wfsopen (const wchar_t *, const wchar_t *, int);
910 _CRTIMP __cdecl __MINGW_NOTHROW wchar_t * _wtmpnam (wchar_t *);
911 _CRTIMP __cdecl __MINGW_NOTHROW wchar_t * _wtempnam (const wchar_t *, const wchar_t *);
912 _CRTIMP __cdecl __MINGW_NOTHROW int _wrename (const wchar_t *, const wchar_t *);
913 _CRTIMP __cdecl __MINGW_NOTHROW int _wremove (const wchar_t *);
914 _CRTIMP __cdecl __MINGW_NOTHROW void _wperror (const wchar_t *);
915 _CRTIMP __cdecl __MINGW_NOTHROW FILE * _wpopen (const wchar_t *, const wchar_t *);
917 #endif /* !__STRICT_ANSI__ */
918 #endif /* __MSVCRT__ */
920 #ifdef _ISOC99_SOURCE
921 __cdecl __MINGW_NOTHROW int snwprintf (wchar_t *, size_t, const wchar_t *, ...);
922 __cdecl __MINGW_NOTHROW int vsnwprintf (wchar_t *, size_t, const wchar_t *, __VALIST);
924 #ifndef __NO_INLINE__
925 __CRT_INLINE __cdecl __MINGW_NOTHROW
926 __JMPSTUB__(( FUNCTION = vsnwprintf, REMAPPED = _vsnwprintf ))
927 int vsnwprintf (wchar_t *__s, size_t __n, const wchar_t *__fmt, __VALIST __arg)
928 { return _vsnwprintf ( __s, __n, __fmt, __arg); }
931 __cdecl __MINGW_NOTHROW int vwscanf (const wchar_t *__restrict__, __VALIST);
932 __cdecl __MINGW_NOTHROW
933 int vfwscanf (FILE *__restrict__, const wchar_t *__restrict__, __VALIST);
934 __cdecl __MINGW_NOTHROW
935 int vswscanf (const wchar_t *__restrict__, const wchar_t * __restrict__, __VALIST);
937 #endif /* _ISOC99_SOURCE */
938 #endif /* ! (_STDIO_H && _WCHAR_H) */
940 #if defined _STDIO_H && ! defined __STRICT_ANSI__
941 #if defined __MSVCRT__ && ! defined _NO_OLDNAMES
942 _CRTIMP __cdecl __MINGW_NOTHROW FILE * wpopen (const wchar_t *, const wchar_t *);
945 /* Other non-ANSI wide character functions...
947 _CRTIMP __cdecl __MINGW_NOTHROW wint_t _fgetwchar (void);
948 _CRTIMP __cdecl __MINGW_NOTHROW wint_t _fputwchar (wint_t);
949 _CRTIMP __cdecl __MINGW_NOTHROW int _getw (FILE *);
950 _CRTIMP __cdecl __MINGW_NOTHROW int _putw (int, FILE *);
953 /* ...and their original names, before Microsoft uglification...
955 _CRTIMP __cdecl __MINGW_NOTHROW wint_t fgetwchar (void);
956 _CRTIMP __cdecl __MINGW_NOTHROW wint_t fputwchar (wint_t);
957 _CRTIMP __cdecl __MINGW_NOTHROW int getw (FILE *);
958 _CRTIMP __cdecl __MINGW_NOTHROW int putw (int, FILE *);
960 #endif /* !_NO_OLDNAMES */
961 #endif /* !__STRICT_ANSI__ */
965 #endif /* ! RC_INVOKED */
966 #endif /* !_STDIO_H: $RCSfile$: end of file */