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 from...
91 # include <sys/types.h>
95 /* Also similarly, for the va_list type, defined in <stdarg.h>
97 # if defined __GNUC__ && __GNUC__ >= 3
98 # define __need___va_list
100 # define __VALIST __builtin_va_list
102 # define __VALIST char *
105 #endif /* ! RC_INVOKED */
108 /* Flags for the iobuf structure
110 #define _IOREAD 1 /* currently reading */
111 #define _IOWRT 2 /* currently writing */
112 #define _IORW 0x0080 /* opened as "r+w" */
114 /* The three standard file pointers provided by the run time library.
115 * NOTE: These will go to the bit-bucket silently in GUI applications!
117 #define STDIN_FILENO 0
118 #define STDOUT_FILENO 1
119 #define STDERR_FILENO 2
121 /* Returned by various functions on end of file condition or error.
125 #endif /* _STDIO_H */
127 /* The maximum length of a file name. It may be better to use the Windows'
128 * GetVolumeInformation() function in preference to this constant, but hey,
129 * this works! Note that <io.h> also defines it, but we don't guard it, so
130 * that the compiler has a chance to catch inconsistencies.
132 * FIXME: Right now, we define this unconditionally for both full <stdio.h>
133 * inclusion, and for partial inclusion on behalf of <wchar.h>, (which needs
134 * it for some non-ANSI structure declarations). The conditions under which
135 * <wchar.h> needs this require review, because defining it as a consequence
136 * of including <wchar.h> alone may violate strict ANSI conformity.
138 #define FILENAME_MAX (260)
141 /* The maximum number of files that may be open at once. I have set this to
142 * a conservative number. The actual value may be higher.
144 #define FOPEN_MAX (20)
146 /* After creating this many names, tmpnam and tmpfile return NULL
148 #define TMP_MAX 32767
150 /* Tmpnam, tmpfile and, sometimes, _tempnam try to create
151 * temp files in the root directory of the current drive
152 * (not in pwd, as suggested by some older MS doc's).
153 * Redefining these macros does not effect the CRT functions.
155 #define _P_tmpdir "\\"
156 #ifndef __STRICT_ANSI__
157 #define P_tmpdir _P_tmpdir
159 #define _wP_tmpdir L"\\"
161 /* The maximum size of name (including NUL) that will be put in the user
162 * supplied buffer caName for tmpnam.
163 * Inferred from the size of the static buffer returned by tmpnam
164 * when passed a NULL argument. May actually be smaller.
166 #define L_tmpnam (16)
168 #define _IOFBF 0x0000 /* full buffered */
169 #define _IOLBF 0x0040 /* line buffered */
170 #define _IONBF 0x0004 /* not buffered */
172 #define _IOMYBUF 0x0008 /* stdio malloc()'d buffer */
173 #define _IOEOF 0x0010 /* EOF reached on read */
174 #define _IOERR 0x0020 /* I/O error from system */
175 #define _IOSTRG 0x0040 /* Strange or no file descriptor */
177 # define _IOAPPEND 0x0200
180 /* The buffer size as used by setbuf such that it is equivalent to
181 * (void) setvbuf(fileSetBuffer, caBuffer, _IOFBF, BUFSIZ).
185 /* Constants for nOrigin indicating the position relative to which fseek
186 * sets the file position. Defined unconditionally since ISO and POSIX
187 * say they are defined here.
193 #endif /* _STDIO_H */
196 #if ! (defined _STDIO_H && defined _WCHAR_H)
197 /* The structure underlying the FILE type; this should be defined when
198 * including either <stdio.h> or <wchar.h>. If both header include guards
199 * are now in place, then we must currently be including <stdio.h> in its
200 * own right, having already processed this block during a prior partial
201 * inclusion by <wchar.h>; there is no need to process it a second time.
203 * Some believe that nobody in their right mind should make use of the
204 * internals of this structure. Provided by Pedro A. Aranda Gutiirrez
207 typedef struct _iobuf
219 #endif /* ! (_STDIO_H && _WCHAR_H) */
221 /* Content to be exposed only when including <stdio.h> in its own right;
222 * these will not be exposed when __WCHAR_H_SOURCE__ is defined, as will
223 * be the case when <stdio.h> is included indirectly, by <wchar.h>
226 * The standard file handles
228 #ifndef __DECLSPEC_SUPPORTED
230 extern FILE (*_imp___iob)[]; /* A pointer to an array of FILE */
232 #define _iob (*_imp___iob) /* An array of FILE */
234 #else /* __DECLSPEC_SUPPORTED */
236 __MINGW_IMPORT FILE _iob[]; /* An array of FILE imported from DLL. */
238 #endif /* __DECLSPEC_SUPPORTED */
240 #define stdin (&_iob[STDIN_FILENO])
241 #define stdout (&_iob[STDOUT_FILENO])
242 #define stderr (&_iob[STDERR_FILENO])
244 /* Need to close the current _STDIO_H specific block here...
247 /* ...because, we need this regardless of the inclusion mode...
252 /* ...then revert to _STDIO_H specific mode, to declare...
257 _CRTIMP __cdecl __MINGW_NOTHROW FILE * fopen (const char *, const char *);
258 _CRTIMP __cdecl __MINGW_NOTHROW FILE * freopen (const char *, const char *, FILE *);
259 _CRTIMP __cdecl __MINGW_NOTHROW int fflush (FILE *);
260 _CRTIMP __cdecl __MINGW_NOTHROW int fclose (FILE *);
262 /* Note: Microsoft also declares remove & rename (but not their wide char
263 * variants) in <io.h>; since duplicate prototypes are acceptable, provided
264 * they are consistent, we simply declare them here anyway, while allowing
265 * the compiler to check consistency as appropriate.
267 _CRTIMP __cdecl __MINGW_NOTHROW int remove (const char *);
268 _CRTIMP __cdecl __MINGW_NOTHROW int rename (const char *, const char *);
269 _CRTIMP __cdecl __MINGW_NOTHROW FILE * tmpfile (void);
270 _CRTIMP __cdecl __MINGW_NOTHROW char * tmpnam (char *);
272 #ifndef __STRICT_ANSI__
273 _CRTIMP __cdecl __MINGW_NOTHROW char *_tempnam (const char *, const char *);
274 _CRTIMP __cdecl __MINGW_NOTHROW int _rmtmp (void);
275 _CRTIMP __cdecl __MINGW_NOTHROW int _unlink (const char *);
278 _CRTIMP __cdecl __MINGW_NOTHROW char * tempnam (const char *, const char *);
279 _CRTIMP __cdecl __MINGW_NOTHROW int rmtmp (void);
280 _CRTIMP __cdecl __MINGW_NOTHROW int unlink (const char *);
282 #endif /* __STRICT_ANSI__ */
284 _CRTIMP __cdecl __MINGW_NOTHROW int setvbuf (FILE *, char *, int, size_t);
285 _CRTIMP __cdecl __MINGW_NOTHROW void setbuf (FILE *, char *);
289 * MSVCRT implementations are not ANSI C99 conformant...
290 * we offer these conforming alternatives from libmingwex.a
292 #undef __mingw_stdio_redirect__
293 #define __mingw_stdio_redirect__(F) __cdecl __MINGW_NOTHROW __mingw_##F
295 extern int __mingw_stdio_redirect__(fprintf)(FILE*, const char*, ...);
296 extern int __mingw_stdio_redirect__(printf)(const char*, ...);
297 extern int __mingw_stdio_redirect__(sprintf)(char*, const char*, ...);
298 extern int __mingw_stdio_redirect__(snprintf)(char*, size_t, const char*, ...);
299 extern int __mingw_stdio_redirect__(vfprintf)(FILE*, const char*, __VALIST);
300 extern int __mingw_stdio_redirect__(vprintf)(const char*, __VALIST);
301 extern int __mingw_stdio_redirect__(vsprintf)(char*, const char*, __VALIST);
302 extern int __mingw_stdio_redirect__(vsnprintf)(char*, size_t, const char*, __VALIST);
304 /* When using these C99 conforming alternatives, we may wish to support
305 * some of Microsoft's quirky formatting options, even when they violate
306 * strict C99 conformance.
308 #define _MSVC_PRINTF_QUIRKS 0x0100U
309 #define _QUERY_MSVC_PRINTF_QUIRKS ~0U, 0U
310 #define _DISABLE_MSVC_PRINTF_QUIRKS ~_MSVC_PRINTF_QUIRKS, 0U
311 #define _ENABLE_MSVC_PRINTF_QUIRKS ~0U, _MSVC_PRINTF_QUIRKS
313 /* Those quirks which conflict with ANSI C99 specified behaviour are
314 * disabled by default; use the following function, like this:
316 * _mingw_output_format_control( _ENABLE_MSVC_PRINTF_QUIRKS );
318 * to enable them, like this:
320 * state = _mingw_output_format_control( _QUERY_MSVC_PRINTF_QUIRKS )
321 * & _MSVC_PRINTF_QUIRKS;
323 * to ascertain the currently active enabled state, or like this:
325 * _mingw_output_format_control( _DISABLE_MSVC_PRINTF_QUIRKS );
327 * to disable them again.
329 extern unsigned int _mingw_output_format_control( unsigned int, unsigned int );
331 #if __USE_MINGW_ANSI_STDIO
332 /* User has expressed a preference for C99 conformance...
334 # undef __mingw_stdio_redirect__
336 /* For C++ we use inline implementations, to avoid interference
337 * with namespace qualification, which may result from using #defines.
339 # define __mingw_stdio_redirect__ inline __cdecl __MINGW_NOTHROW
341 # elif defined __GNUC__
342 /* FIXME: Is there any GCC version prerequisite here?
344 * We also prefer inline implementations for C, when we can be confident
345 * that the GNU specific __inline__ mechanism is supported.
347 # define __mingw_stdio_redirect__ static __inline__ __cdecl __MINGW_NOTHROW
350 /* Can't use inlines; fall back on module local static stubs.
352 # define __mingw_stdio_redirect__ static __cdecl __MINGW_NOTHROW
355 __mingw_stdio_redirect__
356 int fprintf (FILE *__stream, const char *__format, ...)
358 register int __retval;
359 __builtin_va_list __local_argv; __builtin_va_start( __local_argv, __format );
360 __retval = __mingw_vfprintf( __stream, __format, __local_argv );
361 __builtin_va_end( __local_argv );
365 __mingw_stdio_redirect__
366 int printf (const char *__format, ...)
368 register int __retval;
369 __builtin_va_list __local_argv; __builtin_va_start( __local_argv, __format );
370 __retval = __mingw_vprintf( __format, __local_argv );
371 __builtin_va_end( __local_argv );
375 __mingw_stdio_redirect__
376 int sprintf (char *__stream, const char *__format, ...)
378 register int __retval;
379 __builtin_va_list __local_argv; __builtin_va_start( __local_argv, __format );
380 __retval = __mingw_vsprintf( __stream, __format, __local_argv );
381 __builtin_va_end( __local_argv );
385 __mingw_stdio_redirect__
386 int vfprintf (FILE *__stream, const char *__format, __VALIST __local_argv)
388 return __mingw_vfprintf( __stream, __format, __local_argv );
391 __mingw_stdio_redirect__
392 int vprintf (const char *__format, __VALIST __local_argv)
394 return __mingw_vprintf( __format, __local_argv );
397 __mingw_stdio_redirect__
398 int vsprintf (char *__stream, const char *__format, __VALIST __local_argv)
400 return __mingw_vsprintf( __stream, __format, __local_argv );
404 /* Default configuration: simply direct all calls to MSVCRT...
406 _CRTIMP __cdecl __MINGW_NOTHROW int fprintf (FILE *, const char *, ...);
407 _CRTIMP __cdecl __MINGW_NOTHROW int printf (const char *, ...);
408 _CRTIMP __cdecl __MINGW_NOTHROW int sprintf (char *, const char *, ...);
409 _CRTIMP __cdecl __MINGW_NOTHROW int vfprintf (FILE *, const char *, __VALIST);
410 _CRTIMP __cdecl __MINGW_NOTHROW int vprintf (const char *, __VALIST);
411 _CRTIMP __cdecl __MINGW_NOTHROW int vsprintf (char *, const char *, __VALIST);
414 /* Regardless of user preference, always offer these alternative
415 * entry points, for direct access to the MSVCRT implementations.
417 #undef __mingw_stdio_redirect__
418 #define __mingw_stdio_redirect__(F) __cdecl __MINGW_NOTHROW __msvcrt_##F
420 _CRTIMP int __mingw_stdio_redirect__(fprintf)(FILE *, const char *, ...);
421 _CRTIMP int __mingw_stdio_redirect__(printf)(const char *, ...);
422 _CRTIMP int __mingw_stdio_redirect__(sprintf)(char *, const char *, ...);
423 _CRTIMP int __mingw_stdio_redirect__(vfprintf)(FILE *, const char *, __VALIST);
424 _CRTIMP int __mingw_stdio_redirect__(vprintf)(const char *, __VALIST);
425 _CRTIMP int __mingw_stdio_redirect__(vsprintf)(char *, const char *, __VALIST);
427 #undef __mingw_stdio_redirect__
429 /* The following three ALWAYS refer to the MSVCRT implementations...
431 _CRTIMP __cdecl __MINGW_NOTHROW int _snprintf (char *, size_t, const char *, ...);
432 _CRTIMP __cdecl __MINGW_NOTHROW int _vsnprintf (char *, size_t, const char *, __VALIST);
433 _CRTIMP __cdecl __MINGW_NOTHROW int _vscprintf (const char *, __VALIST);
435 #ifdef _ISOC99_SOURCE
436 /* Microsoft does not provide implementations for the following,
437 * which are required by C99. Note in particular that Microsoft's
438 * corresponding implementations of _snprintf() and _vsnprintf() are
439 * NOT compatible with C99, but the following are; if you want the
440 * MSVCRT behaviour, you MUST use the Microsoft "uglified" names.
442 __cdecl __MINGW_NOTHROW int snprintf (char *, size_t, const char *, ...);
443 __cdecl __MINGW_NOTHROW int vsnprintf (char *, size_t, const char *, __VALIST);
445 __cdecl __MINGW_NOTHROW int vscanf (const char * __restrict__, __VALIST);
447 __cdecl __MINGW_NOTHROW
448 int vfscanf (FILE * __restrict__, const char * __restrict__, __VALIST);
450 __cdecl __MINGW_NOTHROW
451 int vsscanf (const char * __restrict__, const char * __restrict__, __VALIST);
453 #endif /* _ISOC99_SOURCE */
454 #if __MSVCRT_VERSION__ >= __MSVCR80_DLL || _WIN32_WINNT >= _WIN32_WINNT_VISTA
456 * In MSVCR80.DLL, (and its descendants), Microsoft introduced variants
457 * of the printf() functions, with names qualified by an underscore prefix
458 * and "_p" or "_p_l" suffixes; implemented in Microsoft's typically crass,
459 * non-standard, and non-portable fashion, these provide support for access
460 * to printf() arguments in random order, as was standardised by POSIX as a
461 * feature of the optional Extended Systems Interface (XSI) specification,
462 * and is now required for conformity with the POSIX.1-2008 base standard.
463 * Although these additional Microsoft functions were subsequently added
464 * to MSVCRT.DLL, from Windows-Vista onward, and they are prototyped here,
465 * MinGW applications are strenuously encouraged to avoid using them; a
466 * much better alternative is to "#define _XOPEN_SOURCE 700" before any
467 * system header is included, then use POSIX standard printf() functions
468 * instead; this is both portable to many non-Windows platforms, and it
469 * offers better compatibility with earlier Windows versions.
471 _CRTIMP __cdecl __MINGW_NOTHROW
472 int _printf_p (const char *, ...);
474 _CRTIMP __cdecl __MINGW_NOTHROW
475 int _fprintf_p (FILE *, const char *, ...);
477 _CRTIMP __cdecl __MINGW_NOTHROW
478 int _sprintf_p (char *, size_t, const char *, ...);
480 _CRTIMP __cdecl __MINGW_NOTHROW
481 int _vprintf_p (const char *, __VALIST);
483 _CRTIMP __cdecl __MINGW_NOTHROW
484 int _vfprintf_p (FILE *, const char *, __VALIST);
486 _CRTIMP __cdecl __MINGW_NOTHROW
487 int _vsprintf_p (char *, size_t, const char *, __VALIST);
489 _CRTIMP __cdecl __MINGW_NOTHROW
490 int _printf_p_l (const char *, locale_t, ...);
492 _CRTIMP __cdecl __MINGW_NOTHROW
493 int _fprintf_p_l (FILE *, const char *, locale_t, ...);
495 _CRTIMP __cdecl __MINGW_NOTHROW
496 int _sprintf_p_l (char *, size_t, const char *, locale_t, ...);
498 _CRTIMP __cdecl __MINGW_NOTHROW
499 int _vprintf_p_l (const char *, locale_t, __VALIST);
501 _CRTIMP __cdecl __MINGW_NOTHROW
502 int _vfprintf_p_l (FILE *, const char *, locale_t, __VALIST);
504 _CRTIMP __cdecl __MINGW_NOTHROW
505 int _vsprintf_p_l (char *, size_t, const char *, locale_t, __VALIST);
507 #endif /* MSVCR80.DLL and descendants, or MSVCRT.DLL since Vista */
508 #endif /* <stdio.h> included in its own right */
509 #if ! (defined _STDIO_H && defined _WCHAR_H) \
510 && __MSVCRT_VERSION__ >= __MSVCR80_DLL || _WIN32_WINNT >= _WIN32_WINNT_VISTA
512 * Wide character variants of the foregoing "positional parameter" printf()
513 * functions; MSDN says that these should be declared when either <stdio.h>, or
514 * <wchar.h> is included, so we make them selectively available to <wchar.h>,
515 * but, just as in the foregoing, we advise against their use.
517 _CRTIMP __cdecl __MINGW_NOTHROW
518 int _wprintf_p (const wchar_t *, ...);
520 _CRTIMP __cdecl __MINGW_NOTHROW
521 int _fwprintf_p (FILE *, const wchar_t *, ...);
523 _CRTIMP __cdecl __MINGW_NOTHROW
524 int _swprintf_p (wchar_t *, size_t, const wchar_t *, ...);
526 _CRTIMP __cdecl __MINGW_NOTHROW
527 int _vwprintf_p (const wchar_t *, __VALIST);
529 _CRTIMP __cdecl __MINGW_NOTHROW
530 int _vfwprintf_p (FILE *, const wchar_t *, __VALIST);
532 _CRTIMP __cdecl __MINGW_NOTHROW
533 int _vswprintf_p (wchar_t *, size_t, const wchar_t *, __VALIST);
535 _CRTIMP __cdecl __MINGW_NOTHROW
536 int _wprintf_p_l (const wchar_t *, locale_t, ...);
538 _CRTIMP __cdecl __MINGW_NOTHROW
539 int _fwprintf_p_l (FILE *, const wchar_t *, locale_t, ...);
541 _CRTIMP __cdecl __MINGW_NOTHROW
542 int _swprintf_p_l (wchar_t *, size_t, const wchar_t *, locale_t, ...);
544 _CRTIMP __cdecl __MINGW_NOTHROW
545 int _vwprintf_p_l (const wchar_t *, locale_t, __VALIST);
547 _CRTIMP __cdecl __MINGW_NOTHROW
548 int _vfwprintf_p_l (FILE *, const wchar_t *, locale_t, __VALIST);
550 _CRTIMP __cdecl __MINGW_NOTHROW
551 int _vswprintf_p_l (wchar_t *, size_t, const wchar_t *, locale_t, __VALIST);
553 #endif /* ! (defined _STDIO_H && defined _WCHAR_H) */
555 /* Once again, back to <stdio.h> specific declarations.
560 _CRTIMP __cdecl __MINGW_NOTHROW int fscanf (FILE *, const char *, ...);
561 _CRTIMP __cdecl __MINGW_NOTHROW int scanf (const char *, ...);
562 _CRTIMP __cdecl __MINGW_NOTHROW int sscanf (const char *, const char *, ...);
564 /* Character Input and Output Functions
566 _CRTIMP __cdecl __MINGW_NOTHROW int fgetc (FILE *);
567 _CRTIMP __cdecl __MINGW_NOTHROW char * fgets (char *, int, FILE *);
568 _CRTIMP __cdecl __MINGW_NOTHROW int fputc (int, FILE *);
569 _CRTIMP __cdecl __MINGW_NOTHROW int fputs (const char *, FILE *);
570 _CRTIMP __cdecl __MINGW_NOTHROW char * gets (char *);
571 _CRTIMP __cdecl __MINGW_NOTHROW int puts (const char *);
572 _CRTIMP __cdecl __MINGW_NOTHROW int ungetc (int, FILE *);
574 /* Traditionally, getc and putc are defined as macros. but the
575 * standard doesn't say that they must be macros. We use inline
576 * functions here to allow the fast versions to be used in C++
577 * with namespace qualification, eg., ::getc.
579 * NOTE: _filbuf and _flsbuf are not thread-safe.
581 _CRTIMP __cdecl __MINGW_NOTHROW int _filbuf (FILE *);
582 _CRTIMP __cdecl __MINGW_NOTHROW int _flsbuf (int, FILE *);
586 __CRT_INLINE __cdecl __MINGW_NOTHROW int getc (FILE * __F)
588 return (--__F->_cnt >= 0)
589 ? (int) (unsigned char) *__F->_ptr++
593 __CRT_INLINE __cdecl __MINGW_NOTHROW int putc (int __c, FILE * __F)
595 return (--__F->_cnt >= 0)
596 ? (int) (unsigned char) (*__F->_ptr++ = (char)__c)
597 : _flsbuf (__c, __F);
600 __CRT_INLINE __cdecl __MINGW_NOTHROW int getchar (void)
602 return (--stdin->_cnt >= 0)
603 ? (int) (unsigned char) *stdin->_ptr++
607 __CRT_INLINE __cdecl __MINGW_NOTHROW int putchar(int __c)
609 return (--stdout->_cnt >= 0)
610 ? (int) (unsigned char) (*stdout->_ptr++ = (char)__c)
611 : _flsbuf (__c, stdout);}
613 #else /* Use library functions. */
615 _CRTIMP __cdecl __MINGW_NOTHROW int getc (FILE *);
616 _CRTIMP __cdecl __MINGW_NOTHROW int putc (int, FILE *);
617 _CRTIMP __cdecl __MINGW_NOTHROW int getchar (void);
618 _CRTIMP __cdecl __MINGW_NOTHROW int putchar (int);
622 /* Direct Input and Output Functions
624 _CRTIMP __cdecl __MINGW_NOTHROW size_t fread (void *, size_t, size_t, FILE *);
625 _CRTIMP __cdecl __MINGW_NOTHROW size_t fwrite (const void *, size_t, size_t, FILE *);
627 /* File Positioning Functions
629 _CRTIMP __cdecl __MINGW_NOTHROW int fseek (FILE *, long, int);
630 _CRTIMP __cdecl __MINGW_NOTHROW long ftell (FILE *);
631 _CRTIMP __cdecl __MINGW_NOTHROW void rewind (FILE *);
633 #if _WIN32_WINNT >= _WIN32_WINNT_VISTA || __MSVCRT_VERSION__ >= __MSVCR80_DLL
635 * Microsoft introduced a number of variations on fseek() and ftell(),
636 * beginning with MSVCR80.DLL; the bare _fseeki64() and _ftelli64() were
637 * subsequently integrated into MSVCRT.DLL, from Vista onward...
639 _CRTIMP __cdecl __MINGW_NOTHROW int _fseeki64 (FILE *, __int64, int);
640 _CRTIMP __cdecl __MINGW_NOTHROW __int64 _ftelli64 (FILE *);
642 #if __MSVCRT_VERSION__ >= __MSVCR80_DLL
644 * ...while the "nolock" variants remain exclusive to MSVCR80.DLL, and
645 * its later MSVC specific derivatives.
647 _CRTIMP __cdecl __MINGW_NOTHROW int _fseek_nolock (FILE *, long, int);
648 _CRTIMP __cdecl __MINGW_NOTHROW long _ftell_nolock (FILE *);
650 _CRTIMP __cdecl __MINGW_NOTHROW int _fseeki64_nolock (FILE *, __int64, int);
651 _CRTIMP __cdecl __MINGW_NOTHROW __int64 _ftelli64_nolock (FILE *);
653 #endif /* MSVCR80.DLL and later derivatives ONLY */
654 #endif /* MSVCR80.DLL and descendants, or MSVCRT.DLL since Vista */
656 #ifdef __USE_MINGW_FSEEK
657 /* Workaround for a limitation on Win9x where a file is not zero padded
658 * on write, following a seek beyond the original end of file; these are
659 * implemented in libmingwex.a
661 __cdecl __MINGW_NOTHROW int __mingw_fseek (FILE *, long, int);
662 __cdecl __MINGW_NOTHROW size_t __mingw_fwrite (const void *, size_t, size_t, FILE *);
664 #define fwrite(buffer, size, count, fp) __mingw_fwrite(buffer, size, count, fp)
665 #define fseek(fp, offset, whence) __mingw_fseek(fp, offset, whence)
666 #endif /* __USE_MINGW_FSEEK */
668 /* An opaque data type used for storing file positions... The contents of
669 * this type are unknown, but we (the compiler) need to know the size
670 * because the programmer using fgetpos and fsetpos will be setting aside
671 * storage for fpos_t structres. Actually I tested using a byte array and
672 * it is fairly evident that the fpos_t type is a long (in CRTDLL.DLL).
673 * Perhaps an unsigned long? TODO? It's definitely a 64-bit number in
674 * MSVCRT however, and for now `long long' will do.
677 typedef long long fpos_t;
682 _CRTIMP __cdecl __MINGW_NOTHROW int fgetpos (FILE *, fpos_t *);
683 _CRTIMP __cdecl __MINGW_NOTHROW int fsetpos (FILE *, const fpos_t *);
687 _CRTIMP __cdecl __MINGW_NOTHROW int feof (FILE *);
688 _CRTIMP __cdecl __MINGW_NOTHROW int ferror (FILE *);
691 inline __cdecl __MINGW_NOTHROW int feof (FILE * __F){ return __F->_flag & _IOEOF; }
692 inline __cdecl __MINGW_NOTHROW int ferror (FILE * __F){ return __F->_flag & _IOERR; }
694 #define feof(__F) ((__F)->_flag & _IOEOF)
695 #define ferror(__F) ((__F)->_flag & _IOERR)
698 _CRTIMP __cdecl __MINGW_NOTHROW void clearerr (FILE *);
699 _CRTIMP __cdecl __MINGW_NOTHROW void perror (const char *);
702 #ifndef __STRICT_ANSI__
706 _CRTIMP __cdecl __MINGW_NOTHROW FILE * _popen (const char *, const char *);
707 _CRTIMP __cdecl __MINGW_NOTHROW int _pclose (FILE *);
710 _CRTIMP __cdecl __MINGW_NOTHROW FILE * popen (const char *, const char *);
711 _CRTIMP __cdecl __MINGW_NOTHROW int pclose (FILE *);
714 /* Other Non ANSI functions
716 _CRTIMP __cdecl __MINGW_NOTHROW int _flushall (void);
717 _CRTIMP __cdecl __MINGW_NOTHROW int _fgetchar (void);
718 _CRTIMP __cdecl __MINGW_NOTHROW int _fputchar (int);
719 _CRTIMP __cdecl __MINGW_NOTHROW FILE * _fdopen (int, const char *);
720 _CRTIMP __cdecl __MINGW_NOTHROW int _fileno (FILE *);
721 _CRTIMP __cdecl __MINGW_NOTHROW int _fcloseall (void);
722 _CRTIMP __cdecl __MINGW_NOTHROW FILE * _fsopen (const char *, const char *, int);
724 _CRTIMP __cdecl __MINGW_NOTHROW int _getmaxstdio (void);
725 _CRTIMP __cdecl __MINGW_NOTHROW int _setmaxstdio (int);
728 /* Microsoft introduced a capability in MSVCR80.DLL and later, to
729 * set the minimum number of digits to be displayed in a printf()
730 * floating point exponent; they retro-fitted this in MSVCRT.DLL,
731 * from Windows-Vista onwards, but we provide our own wrappers in
732 * libmingwex.a, which make it possible for us to emulate the API
733 * for any version of MSVCRT.DLL (including WinXP and earlier).
735 #define _TWO_DIGIT_EXPONENT 1
737 /* While Microsoft define the preceding manifest constant, they
738 * appear to neglect to define its complement, (for restoration
739 * of their default exponent display format); for orthogonality,
740 * we will provide this regardless of Microsoft's negligence.
742 #define _THREE_DIGIT_EXPONENT 0
744 /* Once again, unspecified by Microsoft, (and mostly redundant),
745 * it is convenient to specify a combining mask for these.
747 #define _EXPONENT_DIGIT_MASK (_TWO_DIGIT_EXPONENT | _THREE_DIGIT_EXPONENT)
749 unsigned int __cdecl __mingw_get_output_format (void);
750 unsigned int __cdecl __mingw_set_output_format (unsigned int);
752 /* Also appearing for the first time in MSVCR80.DLL, and then also
753 * retro-fitted to MSVCRT.DLL from Windows-Vista onwards, was this
754 * pair of functions to control availability of "%n" formatting in
755 * the MSVCRT.DLL printf() family of functions, for which we also
756 * provide our own DLL version agnostic wrappers:
758 int __cdecl __mingw_get_printf_count_output (void);
759 int __cdecl __mingw_set_printf_count_output (int);
761 #if __MSVCRT_VERSION__ >= __MSVCR80_DLL
762 /* When the user declares that MSVCR80.DLL features are supported,
763 * we simply expose the corresponding APIs...
765 _CRTIMP unsigned int __cdecl __MINGW_NOTHROW _get_output_format (void);
766 _CRTIMP unsigned int __cdecl __MINGW_NOTHROW _set_output_format (unsigned int);
768 _CRTIMP __cdecl __MINGW_NOTHROW int _get_printf_count_output (void);
769 _CRTIMP __cdecl __MINGW_NOTHROW int _set_printf_count_output (int);
772 /* ...otherwise, we emulate the APIs, in a DLL version agnostic
773 * manner, using our own implementation wrappers.
775 __CRT_ALIAS unsigned int __cdecl _get_output_format (void)
776 { return __mingw_get_output_format (); }
778 __CRT_ALIAS unsigned int __cdecl _set_output_format (unsigned int __style)
779 { return __mingw_set_output_format (__style); }
781 /* When using our own printf() implementation, "%n" format is ALWAYS
782 * supported, so we make this API a no-op, reporting it to be so; for
783 * the alternative case, when using MSVCRT.DLL's printf(), we delegate
784 * to our wrapper API implementation, which will invoke the API function
785 * calls within the DLL, if they are available, or persistently report
786 * the state of "%n" formatting as DISABLED if they are not.
788 #if __USE_MINGW_ANSI_STDIO
789 /* Note that __USE_MINGW_ANSI_STDIO is not guaranteed to resolve to any
790 * symbol which will represent a compilable logic state; map it to this
791 * alternative which will, for the true state...
793 # define __USE_MINGW_PRINTF 1
795 /* ...and for the false.
797 # define __USE_MINGW_PRINTF 0
800 __CRT_ALIAS int __cdecl _get_printf_count_output (void)
801 { return __USE_MINGW_PRINTF ? 1 : __mingw_get_printf_count_output (); }
803 __CRT_ALIAS int __cdecl _set_printf_count_output (int __mode)
804 { return __USE_MINGW_PRINTF ? 1 : __mingw_set_printf_count_output (__mode); }
808 _CRTIMP __cdecl __MINGW_NOTHROW int fgetchar (void);
809 _CRTIMP __cdecl __MINGW_NOTHROW int fputchar (int);
810 _CRTIMP __cdecl __MINGW_NOTHROW FILE * fdopen (int, const char *);
811 _CRTIMP __cdecl __MINGW_NOTHROW int fileno (FILE *);
812 #endif /* !_NO_OLDNAMES */
814 #define _fileno(__F) ((__F)->_file)
816 #define fileno(__F) ((__F)->_file)
819 #if defined (__MSVCRT__) && ! defined (__NO_MINGW_LFS)
820 __CRT_INLINE __JMPSTUB__(( FUNCTION = fopen64, REMAPPED = fopen ))
821 FILE * __cdecl __MINGW_NOTHROW fopen64 (const char * filename, const char * mode)
822 { return fopen (filename, mode); }
824 int __cdecl __MINGW_NOTHROW fseeko64 (FILE *, __off64_t, int);
826 #ifdef __USE_MINGW_FSEEK
827 int __cdecl __MINGW_NOTHROW __mingw_fseeko64 (FILE *, __off64_t, int);
828 #define fseeko64(fp, offset, whence) __mingw_fseeko64(fp, offset, whence)
831 __CRT_INLINE __LIBIMPL__(( FUNCTION = ftello64 ))
832 __off64_t __cdecl __MINGW_NOTHROW ftello64 (FILE * stream)
833 { fpos_t __pos; return (fgetpos(stream, &__pos)) ? -1LL : (__off64_t)(__pos); }
835 #endif /* __MSVCRT__ && !__NO_MINGW_LFS */
836 #endif /* !__STRICT_ANSI__ */
837 #endif /* _STDIO_H */
839 #if ! (defined _STDIO_H && defined _WCHAR_H)
840 /* The following are declared when including either <stdio.h> or <wchar.h>.
841 * If both header include guards are now in place, then we must currently be
842 * including <stdio.h> in its own right, having already processed this block
843 * during prior partial inclusion by <wchar.h>; there is no need to process
846 _CRTIMP __cdecl __MINGW_NOTHROW int fwprintf (FILE *, const wchar_t *, ...);
847 _CRTIMP __cdecl __MINGW_NOTHROW int wprintf (const wchar_t *, ...);
848 _CRTIMP __cdecl __MINGW_NOTHROW int vfwprintf (FILE *, const wchar_t *, __VALIST);
849 _CRTIMP __cdecl __MINGW_NOTHROW int vwprintf (const wchar_t *, __VALIST);
850 _CRTIMP __cdecl __MINGW_NOTHROW int _snwprintf (wchar_t *, size_t, const wchar_t *, ...);
851 _CRTIMP __cdecl __MINGW_NOTHROW int _vscwprintf (const wchar_t *, __VALIST);
852 _CRTIMP __cdecl __MINGW_NOTHROW int _vsnwprintf (wchar_t *, size_t, const wchar_t *, __VALIST);
853 _CRTIMP __cdecl __MINGW_NOTHROW int fwscanf (FILE *, const wchar_t *, ...);
854 _CRTIMP __cdecl __MINGW_NOTHROW int wscanf (const wchar_t *, ...);
855 _CRTIMP __cdecl __MINGW_NOTHROW int swscanf (const wchar_t *, const wchar_t *, ...);
856 _CRTIMP __cdecl __MINGW_NOTHROW wint_t fgetwc (FILE *);
857 _CRTIMP __cdecl __MINGW_NOTHROW wint_t fputwc (wchar_t, FILE *);
858 _CRTIMP __cdecl __MINGW_NOTHROW wint_t ungetwc (wchar_t, FILE *);
860 #ifndef __STRICT_ANSI__
861 /* These differ from the ISO C prototypes, which have a maxlen parameter (like snprintf).
863 _CRTIMP __cdecl __MINGW_NOTHROW int swprintf (wchar_t *, const wchar_t *, ...);
864 _CRTIMP __cdecl __MINGW_NOTHROW int vswprintf (wchar_t *, const wchar_t *, __VALIST);
868 _CRTIMP __cdecl __MINGW_NOTHROW wchar_t * fgetws (wchar_t *, int, FILE *);
869 _CRTIMP __cdecl __MINGW_NOTHROW int fputws (const wchar_t *, FILE *);
870 _CRTIMP __cdecl __MINGW_NOTHROW wint_t getwc (FILE *);
871 _CRTIMP __cdecl __MINGW_NOTHROW wint_t getwchar (void);
872 _CRTIMP __cdecl __MINGW_NOTHROW wint_t putwc (wint_t, FILE *);
873 _CRTIMP __cdecl __MINGW_NOTHROW wint_t putwchar (wint_t);
875 #ifndef __STRICT_ANSI__
876 _CRTIMP __cdecl __MINGW_NOTHROW wchar_t * _getws (wchar_t *);
877 _CRTIMP __cdecl __MINGW_NOTHROW int _putws (const wchar_t *);
878 _CRTIMP __cdecl __MINGW_NOTHROW FILE * _wfdopen(int, const wchar_t *);
879 _CRTIMP __cdecl __MINGW_NOTHROW FILE * _wfopen (const wchar_t *, const wchar_t *);
880 _CRTIMP __cdecl __MINGW_NOTHROW FILE * _wfreopen (const wchar_t *, const wchar_t *, FILE *);
881 _CRTIMP __cdecl __MINGW_NOTHROW FILE * _wfsopen (const wchar_t *, const wchar_t *, int);
882 _CRTIMP __cdecl __MINGW_NOTHROW wchar_t * _wtmpnam (wchar_t *);
883 _CRTIMP __cdecl __MINGW_NOTHROW wchar_t * _wtempnam (const wchar_t *, const wchar_t *);
884 _CRTIMP __cdecl __MINGW_NOTHROW int _wrename (const wchar_t *, const wchar_t *);
885 _CRTIMP __cdecl __MINGW_NOTHROW int _wremove (const wchar_t *);
886 _CRTIMP __cdecl __MINGW_NOTHROW void _wperror (const wchar_t *);
887 _CRTIMP __cdecl __MINGW_NOTHROW FILE * _wpopen (const wchar_t *, const wchar_t *);
889 #endif /* !__STRICT_ANSI__ */
890 #endif /* __MSVCRT__ */
892 #ifdef _ISOC99_SOURCE
893 __cdecl __MINGW_NOTHROW int snwprintf (wchar_t *, size_t, const wchar_t *, ...);
894 __cdecl __MINGW_NOTHROW int vsnwprintf (wchar_t *, size_t, const wchar_t *, __VALIST);
896 #ifndef __NO_INLINE__
897 __CRT_INLINE __cdecl __MINGW_NOTHROW
898 __JMPSTUB__(( FUNCTION = vsnwprintf, REMAPPED = _vsnwprintf ))
899 int vsnwprintf (wchar_t *__s, size_t __n, const wchar_t *__fmt, __VALIST __arg)
900 { return _vsnwprintf ( __s, __n, __fmt, __arg); }
903 __cdecl __MINGW_NOTHROW int vwscanf (const wchar_t *__restrict__, __VALIST);
904 __cdecl __MINGW_NOTHROW
905 int vfwscanf (FILE *__restrict__, const wchar_t *__restrict__, __VALIST);
906 __cdecl __MINGW_NOTHROW
907 int vswscanf (const wchar_t *__restrict__, const wchar_t * __restrict__, __VALIST);
909 #endif /* _ISOC99_SOURCE */
910 #endif /* ! (_STDIO_H && _WCHAR_H) */
912 #if defined _STDIO_H && ! defined __STRICT_ANSI__
913 #if defined __MSVCRT__ && ! defined _NO_OLDNAMES
914 _CRTIMP __cdecl __MINGW_NOTHROW FILE * wpopen (const wchar_t *, const wchar_t *);
917 /* Other non-ANSI wide character functions...
919 _CRTIMP __cdecl __MINGW_NOTHROW wint_t _fgetwchar (void);
920 _CRTIMP __cdecl __MINGW_NOTHROW wint_t _fputwchar (wint_t);
921 _CRTIMP __cdecl __MINGW_NOTHROW int _getw (FILE *);
922 _CRTIMP __cdecl __MINGW_NOTHROW int _putw (int, FILE *);
925 /* ...and their original names, before Microsoft uglification...
927 _CRTIMP __cdecl __MINGW_NOTHROW wint_t fgetwchar (void);
928 _CRTIMP __cdecl __MINGW_NOTHROW wint_t fputwchar (wint_t);
929 _CRTIMP __cdecl __MINGW_NOTHROW int getw (FILE *);
930 _CRTIMP __cdecl __MINGW_NOTHROW int putw (int, FILE *);
932 #endif /* !_NO_OLDNAMES */
933 #endif /* !__STRICT_ANSI__ */
937 #endif /* ! RC_INVOKED */
938 #endif /* !_STDIO_H: $RCSfile$: end of file */