1
/* A GNU-like <stdio.h>.
3
Copyright (C) 2004, 2007-2009 Free Software Foundation, Inc.
5
This program is free software; you can redistribute it and/or modify
6
it under the terms of the GNU General Public License as published by
7
the Free Software Foundation; either version 3, or (at your option)
10
This program is distributed in the hope that it will be useful,
11
but WITHOUT ANY WARRANTY; without even the implied warranty of
12
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13
GNU General Public License for more details.
15
You should have received a copy of the GNU General Public License
16
along with this program; if not, write to the Free Software Foundation,
17
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
20
@PRAGMA_SYSTEM_HEADER@
23
#if defined __need_FILE || defined __need___FILE
24
/* Special invocation convention inside glibc header files. */
26
#@INCLUDE_NEXT@ @NEXT_STDIO_H@
29
/* Normal invocation convention. */
33
/* The include_next requires a split double-inclusion guard. */
34
#@INCLUDE_NEXT@ @NEXT_STDIO_H@
42
#if (@GNULIB_FSEEKO@ && @REPLACE_FSEEKO@) \
43
|| (@GNULIB_FTELLO@ && @REPLACE_FTELLO@) \
44
|| (@GNULIB_GETDELIM@ && !@HAVE_DECL_GETDELIM@) \
45
|| (@GNULIB_GETLINE@ && (!@HAVE_DECL_GETLINE@ || @REPLACE_GETLINE@))
46
/* Get off_t and ssize_t. */
47
# include <sys/types.h>
51
/* This feature is available in gcc versions 2.5 and later. */
52
# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
53
# define __attribute__(Spec) /* empty */
55
/* The __-protected variants of `format' and `printf' attributes
56
are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
57
# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
58
# define __format__ format
59
# define __printf__ printf
64
/* The definition of GL_LINK_WARNING is copied here. */
72
#if @GNULIB_FPRINTF_POSIX@
73
# if @REPLACE_FPRINTF@
74
# define fprintf rpl_fprintf
75
extern int fprintf (FILE *fp, const char *format, ...)
76
__attribute__ ((__format__ (__printf__, 2, 3)));
78
#elif @GNULIB_FPRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
79
# define fprintf rpl_fprintf
80
extern int fprintf (FILE *fp, const char *format, ...)
81
__attribute__ ((__format__ (__printf__, 2, 3)));
82
#elif defined GNULIB_POSIXCHECK
85
(GL_LINK_WARNING ("fprintf is not always POSIX compliant - " \
86
"use gnulib module fprintf-posix for portable " \
87
"POSIX compliance"), \
91
#if @GNULIB_VFPRINTF_POSIX@
92
# if @REPLACE_VFPRINTF@
93
# define vfprintf rpl_vfprintf
94
extern int vfprintf (FILE *fp, const char *format, va_list args)
95
__attribute__ ((__format__ (__printf__, 2, 0)));
97
#elif @GNULIB_VFPRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
98
# define vfprintf rpl_vfprintf
99
extern int vfprintf (FILE *fp, const char *format, va_list args)
100
__attribute__ ((__format__ (__printf__, 2, 0)));
101
#elif defined GNULIB_POSIXCHECK
103
# define vfprintf(s,f,a) \
104
(GL_LINK_WARNING ("vfprintf is not always POSIX compliant - " \
105
"use gnulib module vfprintf-posix for portable " \
106
"POSIX compliance"), \
110
#if @GNULIB_PRINTF_POSIX@
111
# if @REPLACE_PRINTF@
112
/* Don't break __attribute__((format(printf,M,N))). */
113
# define printf __printf__
114
extern int printf (const char *format, ...)
115
__attribute__ ((__format__ (__printf__, 1, 2)));
117
#elif @GNULIB_PRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
118
/* Don't break __attribute__((format(printf,M,N))). */
119
# define printf __printf__
120
extern int printf (const char *format, ...)
121
__attribute__ ((__format__ (__printf__, 1, 2)));
122
#elif defined GNULIB_POSIXCHECK
125
(GL_LINK_WARNING ("printf is not always POSIX compliant - " \
126
"use gnulib module printf-posix for portable " \
127
"POSIX compliance"), \
129
/* Don't break __attribute__((format(printf,M,N))). */
130
# define format(kind,m,n) format (__##kind##__, m, n)
131
# define __format__(kind,m,n) __format__ (__##kind##__, m, n)
132
# define ____printf____ __printf__
133
# define ____scanf____ __scanf__
134
# define ____strftime____ __strftime__
135
# define ____strfmon____ __strfmon__
138
#if @GNULIB_VPRINTF_POSIX@
139
# if @REPLACE_VPRINTF@
140
# define vprintf rpl_vprintf
141
extern int vprintf (const char *format, va_list args)
142
__attribute__ ((__format__ (__printf__, 1, 0)));
144
#elif @GNULIB_VPRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
145
# define vprintf rpl_vprintf
146
extern int vprintf (const char *format, va_list args)
147
__attribute__ ((__format__ (__printf__, 1, 0)));
148
#elif defined GNULIB_POSIXCHECK
150
# define vprintf(f,a) \
151
(GL_LINK_WARNING ("vprintf is not always POSIX compliant - " \
152
"use gnulib module vprintf-posix for portable " \
153
"POSIX compliance"), \
157
#if @GNULIB_SNPRINTF@
158
# if @REPLACE_SNPRINTF@
159
# define snprintf rpl_snprintf
161
# if @REPLACE_SNPRINTF@ || !@HAVE_DECL_SNPRINTF@
162
extern int snprintf (char *str, size_t size, const char *format, ...)
163
__attribute__ ((__format__ (__printf__, 3, 4)));
165
#elif defined GNULIB_POSIXCHECK
168
(GL_LINK_WARNING ("snprintf is unportable - " \
169
"use gnulib module snprintf for portability"), \
173
#if @GNULIB_VSNPRINTF@
174
# if @REPLACE_VSNPRINTF@
175
# define vsnprintf rpl_vsnprintf
177
# if @REPLACE_VSNPRINTF@ || !@HAVE_DECL_VSNPRINTF@
178
extern int vsnprintf (char *str, size_t size, const char *format, va_list args)
179
__attribute__ ((__format__ (__printf__, 3, 0)));
181
#elif defined GNULIB_POSIXCHECK
183
# define vsnprintf(b,s,f,a) \
184
(GL_LINK_WARNING ("vsnprintf is unportable - " \
185
"use gnulib module vsnprintf for portability"), \
186
vsnprintf (b, s, f, a))
189
#if @GNULIB_SPRINTF_POSIX@
190
# if @REPLACE_SPRINTF@
191
# define sprintf rpl_sprintf
192
extern int sprintf (char *str, const char *format, ...)
193
__attribute__ ((__format__ (__printf__, 2, 3)));
195
#elif defined GNULIB_POSIXCHECK
198
(GL_LINK_WARNING ("sprintf is not always POSIX compliant - " \
199
"use gnulib module sprintf-posix for portable " \
200
"POSIX compliance"), \
204
#if @GNULIB_VSPRINTF_POSIX@
205
# if @REPLACE_VSPRINTF@
206
# define vsprintf rpl_vsprintf
207
extern int vsprintf (char *str, const char *format, va_list args)
208
__attribute__ ((__format__ (__printf__, 2, 0)));
210
#elif defined GNULIB_POSIXCHECK
212
# define vsprintf(b,f,a) \
213
(GL_LINK_WARNING ("vsprintf is not always POSIX compliant - " \
214
"use gnulib module vsprintf-posix for portable " \
215
"POSIX compliance"), \
220
# if @REPLACE_DPRINTF@
221
# define dprintf rpl_dprintf
223
# if @REPLACE_DPRINTF@ || !@HAVE_DPRINTF@
224
extern int dprintf (int fd, const char *format, ...)
225
__attribute__ ((__format__ (__printf__, 2, 3)));
227
#elif defined GNULIB_POSIXCHECK
229
# define dprintf(d,f,a) \
230
(GL_LINK_WARNING ("dprintf is unportable - " \
231
"use gnulib module dprintf for portability"), \
235
#if @GNULIB_VDPRINTF@
236
# if @REPLACE_VDPRINTF@
237
# define vdprintf rpl_vdprintf
239
# if @REPLACE_VDPRINTF@ || !@HAVE_VDPRINTF@
240
extern int vdprintf (int fd, const char *format, va_list args)
241
__attribute__ ((__format__ (__printf__, 2, 0)));
243
#elif defined GNULIB_POSIXCHECK
245
# define vdprintf(d,f,a) \
246
(GL_LINK_WARNING ("vdprintf is unportable - " \
247
"use gnulib module vdprintf for portability"), \
251
#if @GNULIB_VASPRINTF@
252
# if @REPLACE_VASPRINTF@
253
# define asprintf rpl_asprintf
254
# define vasprintf rpl_vasprintf
256
# if @REPLACE_VASPRINTF@ || !@HAVE_VASPRINTF@
257
/* Write formatted output to a string dynamically allocated with malloc().
258
If the memory allocation succeeds, store the address of the string in
259
*RESULT and return the number of resulting bytes, excluding the trailing
260
NUL. Upon memory allocation error, or some other error, return -1. */
261
extern int asprintf (char **result, const char *format, ...)
262
__attribute__ ((__format__ (__printf__, 2, 3)));
263
extern int vasprintf (char **result, const char *format, va_list args)
264
__attribute__ ((__format__ (__printf__, 2, 0)));
268
#if @GNULIB_OBSTACK_PRINTF@
269
# if @REPLACE_OBSTACK_PRINTF@
270
# define obstack_printf rpl_osbtack_printf
271
# define obstack_vprintf rpl_obstack_vprintf
273
# if @REPLACE_OBSTACK_PRINTF@ || !@HAVE_DECL_OBSTACK_PRINTF@
275
/* Grow an obstack with formatted output. Return the number of
276
bytes added to OBS. No trailing nul byte is added, and the
277
object should be closed with obstack_finish before use. Upon
278
memory allocation error, call obstack_alloc_failed_handler. Upon
279
other error, return -1. */
280
extern int obstack_printf (struct obstack *obs, const char *format, ...)
281
__attribute__ ((__format__ (__printf__, 2, 3)));
282
extern int obstack_vprintf (struct obstack *obs, const char *format,
284
__attribute__ ((__format__ (__printf__, 2, 0)));
291
# define fopen rpl_fopen
292
extern FILE * fopen (const char *filename, const char *mode);
294
#elif defined GNULIB_POSIXCHECK
296
# define fopen(f,m) \
297
(GL_LINK_WARNING ("fopen on Win32 platforms is not POSIX compatible - " \
298
"use gnulib module fopen for portability"), \
303
# if @REPLACE_FREOPEN@
305
# define freopen rpl_freopen
306
extern FILE * freopen (const char *filename, const char *mode, FILE *stream);
308
#elif defined GNULIB_POSIXCHECK
310
# define freopen(f,m,s) \
311
(GL_LINK_WARNING ("freopen on Win32 platforms is not POSIX compatible - " \
312
"use gnulib module freopen for portability"), \
317
# if @REPLACE_FSEEKO@
318
/* Provide fseek, fseeko functions that are aware of a preceding
319
fflush(), and which detect pipes. */
320
# define fseeko rpl_fseeko
321
extern int fseeko (FILE *fp, off_t offset, int whence);
322
# define fseek(fp, offset, whence) fseeko (fp, (off_t)(offset), whence)
324
#elif defined GNULIB_POSIXCHECK
326
# define fseeko(f,o,w) \
327
(GL_LINK_WARNING ("fseeko is unportable - " \
328
"use gnulib module fseeko for portability"), \
332
#if @GNULIB_FSEEK@ && @REPLACE_FSEEK@
333
extern int rpl_fseek (FILE *fp, long offset, int whence);
335
# if defined GNULIB_POSIXCHECK
336
# define fseek(f,o,w) \
337
(GL_LINK_WARNING ("fseek cannot handle files larger than 4 GB " \
338
"on 32-bit platforms - " \
339
"use fseeko function for handling of large files"), \
342
# define fseek rpl_fseek
344
#elif defined GNULIB_POSIXCHECK
346
# define fseek(f,o,w) \
347
(GL_LINK_WARNING ("fseek cannot handle files larger than 4 GB " \
348
"on 32-bit platforms - " \
349
"use fseeko function for handling of large files"), \
355
# if @REPLACE_FTELLO@
356
# define ftello rpl_ftello
357
extern off_t ftello (FILE *fp);
358
# define ftell(fp) ftello (fp)
360
#elif defined GNULIB_POSIXCHECK
363
(GL_LINK_WARNING ("ftello is unportable - " \
364
"use gnulib module ftello for portability"), \
368
#if @GNULIB_FTELL@ && @REPLACE_FTELL@
369
extern long rpl_ftell (FILE *fp);
371
# if GNULIB_POSIXCHECK
373
(GL_LINK_WARNING ("ftell cannot handle files larger than 4 GB " \
374
"on 32-bit platforms - " \
375
"use ftello function for handling of large files"), \
378
# define ftell rpl_ftell
380
#elif defined GNULIB_POSIXCHECK
383
(GL_LINK_WARNING ("ftell cannot handle files larger than 4 GB " \
384
"on 32-bit platforms - " \
385
"use ftello function for handling of large files"), \
391
# if @REPLACE_FFLUSH@
392
# define fflush rpl_fflush
393
/* Flush all pending data on STREAM according to POSIX rules. Both
394
output and seekable input streams are supported.
395
Note! LOSS OF DATA can occur if fflush is applied on an input stream
396
that is _not_seekable_ or on an update stream that is _not_seekable_
397
and in which the most recent operation was input. Seekability can
398
be tested with lseek(fileno(fp),0,SEEK_CUR). */
399
extern int fflush (FILE *gl_stream);
401
#elif defined GNULIB_POSIXCHECK
404
(GL_LINK_WARNING ("fflush is not always POSIX compliant - " \
405
"use gnulib module fflush for portable " \
406
"POSIX compliance"), \
411
# if @REPLACE_FPURGE@
412
# define fpurge rpl_fpurge
414
# if @REPLACE_FPURGE@ || !@HAVE_DECL_FPURGE@
415
/* Discard all pending buffered I/O data on STREAM.
416
STREAM must not be wide-character oriented.
417
When discarding pending output, the file position is set back to where it
418
was before the write calls. When discarding pending input, the file
419
position is advanced to match the end of the previously read input.
420
Return 0 if successful. Upon error, return -1 and set errno. */
421
extern int fpurge (FILE *gl_stream);
423
#elif defined GNULIB_POSIXCHECK
426
(GL_LINK_WARNING ("fpurge is not always present - " \
427
"use gnulib module fpurge for portability"), \
432
# if @REPLACE_FCLOSE@
433
# define fclose rpl_fclose
434
/* Close STREAM and its underlying file descriptor. */
435
extern int fclose (FILE *stream);
437
#elif defined GNULIB_POSIXCHECK
440
(GL_LINK_WARNING ("fclose is not always POSIX compliant - " \
441
"use gnulib module fclose for portable " \
442
"POSIX compliance"), \
446
#if @GNULIB_FPUTC@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
448
# define fputc rpl_fputc
449
extern int fputc (int c, FILE *stream);
452
#if @GNULIB_PUTC@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
454
# define putc rpl_fputc
455
extern int putc (int c, FILE *stream);
458
#if @GNULIB_PUTCHAR@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
460
# define putchar rpl_putchar
461
extern int putchar (int c);
464
#if @GNULIB_FPUTS@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
466
# define fputs rpl_fputs
467
extern int fputs (const char *string, FILE *stream);
470
#if @GNULIB_PUTS@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
472
# define puts rpl_puts
473
extern int puts (const char *string);
476
#if @GNULIB_FWRITE@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
478
# define fwrite rpl_fwrite
479
extern size_t fwrite (const void *ptr, size_t s, size_t n, FILE *stream);
485
# define popen rpl_popen
486
extern FILE *popen (const char *cmd, const char *mode);
488
#elif defined GNULIB_POSIXCHECK
490
# define popen(c,m) \
491
(GL_LINK_WARNING ("popen is buggy on some platforms - " \
492
"use gnulib module popen or pipe for more portability"), \
496
#if @GNULIB_GETDELIM@
497
# if !@HAVE_DECL_GETDELIM@
498
/* Read input, up to (and including) the next occurrence of DELIMITER, from
499
STREAM, store it in *LINEPTR (and NUL-terminate it).
500
*LINEPTR is a pointer returned from malloc (or NULL), pointing to *LINESIZE
501
bytes of space. It is realloc'd as necessary.
502
Return the number of bytes read and stored at *LINEPTR (not including the
503
NUL terminator), or -1 on error or EOF. */
504
extern ssize_t getdelim (char **lineptr, size_t *linesize, int delimiter,
507
#elif defined GNULIB_POSIXCHECK
509
# define getdelim(l, s, d, f) \
510
(GL_LINK_WARNING ("getdelim is unportable - " \
511
"use gnulib module getdelim for portability"), \
512
getdelim (l, s, d, f))
516
# if @REPLACE_GETLINE@
518
# define getline rpl_getline
520
# if !@HAVE_DECL_GETLINE@ || @REPLACE_GETLINE@
521
/* Read a line, up to (and including) the next newline, from STREAM, store it
522
in *LINEPTR (and NUL-terminate it).
523
*LINEPTR is a pointer returned from malloc (or NULL), pointing to *LINESIZE
524
bytes of space. It is realloc'd as necessary.
525
Return the number of bytes read and stored at *LINEPTR (not including the
526
NUL terminator), or -1 on error or EOF. */
527
extern ssize_t getline (char **lineptr, size_t *linesize, FILE *stream);
529
#elif defined GNULIB_POSIXCHECK
531
# define getline(l, s, f) \
532
(GL_LINK_WARNING ("getline is unportable - " \
533
"use gnulib module getline for portability"), \
538
# if @REPLACE_PERROR@
539
# define perror rpl_perror
540
/* Print a message to standard error, describing the value of ERRNO,
541
(if STRING is not NULL and not empty) prefixed with STRING and ": ",
542
and terminated with a newline. */
543
extern void perror (const char *string);
545
#elif defined GNULIB_POSIXCHECK
548
(GL_LINK_WARNING ("perror is not always POSIX compliant - " \
549
"use gnulib module perror for portability"), \
557
#endif /* _GL_STDIO_H */
558
#endif /* _GL_STDIO_H */
added
removed
lib/stdio.in.h
