blob: 24842b5366f112cff4062b31d7032291f95bb92b [file] [log] [blame]
Ben Cheng09ebc132013-10-18 00:02:49 -07001/* DO NOT EDIT THIS FILE.
2
3 It has been auto-edited by fixincludes from:
4
5 "/tmp/toolchain-build-aarch64-linux-4.8/prefix/sysroot/usr/include/stdio.h"
6
7 This had to be done to correct non-standard usages in the
8 original, manufacturer supplied header file. */
9
10/* $OpenBSD: stdio.h,v 1.35 2006/01/13 18:10:09 miod Exp $ */
11/* $NetBSD: stdio.h,v 1.18 1996/04/25 18:29:21 jtc Exp $ */
12
13/*-
14 * Copyright (c) 1990 The Regents of the University of California.
15 * All rights reserved.
16 *
17 * This code is derived from software contributed to Berkeley by
18 * Chris Torek.
19 *
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions
22 * are met:
23 * 1. Redistributions of source code must retain the above copyright
24 * notice, this list of conditions and the following disclaimer.
25 * 2. Redistributions in binary form must reproduce the above copyright
26 * notice, this list of conditions and the following disclaimer in the
27 * documentation and/or other materials provided with the distribution.
28 * 3. Neither the name of the University nor the names of its contributors
29 * may be used to endorse or promote products derived from this software
30 * without specific prior written permission.
31 *
32 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
34 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
35 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
36 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
38 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
40 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
41 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
42 * SUCH DAMAGE.
43 *
44 * @(#)stdio.h 5.17 (Berkeley) 6/3/91
45 */
46
47#ifndef _STDIO_H_
48#define _STDIO_H_
49
50#include <sys/cdefs.h>
51#include <sys/types.h>
52
53/* __gnuc_va_list and size_t must be defined by stdio.h according to Posix */
54#define __need___va_list
55#include <stdarg.h>
56
57/* note that this forces stddef.h to *only* define size_t */
58#define __need_size_t
59#include <stddef.h>
60
61#define __need_NULL
62#include <stddef.h>
63
64#define _FSTDIO /* Define for new stdio with functions. */
65
66typedef off_t fpos_t; /* stdio file position type */
67
68/*
69 * NB: to fit things in six character monocase externals, the stdio
70 * code uses the prefix `__s' for stdio objects, typically followed
71 * by a three-character attempt at a mnemonic.
72 */
73
74/* stdio buffers */
75struct __sbuf {
76 unsigned char *_base;
77 int _size;
78};
79
80/*
81 * stdio state variables.
82 *
83 * The following always hold:
84 *
85 * if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR),
86 * _lbfsize is -_bf._size, else _lbfsize is 0
87 * if _flags&__SRD, _w is 0
88 * if _flags&__SWR, _r is 0
89 *
90 * This ensures that the getc and putc macros (or inline functions) never
91 * try to write or read from a file that is in `read' or `write' mode.
92 * (Moreover, they can, and do, automatically switch from read mode to
93 * write mode, and back, on "r+" and "w+" files.)
94 *
95 * _lbfsize is used only to make the inline line-buffered output stream
96 * code as compact as possible.
97 *
98 * _ub, _up, and _ur are used when ungetc() pushes back more characters
99 * than fit in the current _bf, or when ungetc() pushes back a character
100 * that does not match the previous one in _bf. When this happens,
101 * _ub._base becomes non-nil (i.e., a stream has ungetc() data iff
102 * _ub._base!=NULL) and _up and _ur save the current values of _p and _r.
103 *
104 * NOTE: if you change this structure, you also need to update the
105 * std() initializer in findfp.c.
106 */
107typedef struct __sFILE {
108 unsigned char *_p; /* current position in (some) buffer */
109 int _r; /* read space left for getc() */
110 int _w; /* write space left for putc() */
111 short _flags; /* flags, below; this FILE is free if 0 */
112 short _file; /* fileno, if Unix descriptor, else -1 */
113 struct __sbuf _bf; /* the buffer (at least 1 byte, if !NULL) */
114 int _lbfsize; /* 0 or -_bf._size, for inline putc */
115
116 /* operations */
117 void *_cookie; /* cookie passed to io functions */
118 int (*_close)(void *);
119 int (*_read)(void *, char *, int);
120 fpos_t (*_seek)(void *, fpos_t, int);
121 int (*_write)(void *, const char *, int);
122
123 /* extension data, to avoid further ABI breakage */
124 struct __sbuf _ext;
125 /* data for long sequences of ungetc() */
126 unsigned char *_up; /* saved _p when _p is doing ungetc data */
127 int _ur; /* saved _r when _r is counting ungetc data */
128
129 /* tricks to meet minimum requirements even when malloc() fails */
130 unsigned char _ubuf[3]; /* guarantee an ungetc() buffer */
131 unsigned char _nbuf[1]; /* guarantee a getc() buffer */
132
133 /* separate buffer for fgetln() when line crosses buffer boundary */
134 struct __sbuf _lb; /* buffer for fgetln() */
135
136 /* Unix stdio files get aligned to block boundaries on fseek() */
137 int _blksize; /* stat.st_blksize (may be != _bf._size) */
138 fpos_t _offset; /* current lseek offset */
139} FILE;
140
141__BEGIN_DECLS
142extern FILE __sF[];
143__END_DECLS
144
145#define __SLBF 0x0001 /* line buffered */
146#define __SNBF 0x0002 /* unbuffered */
147#define __SRD 0x0004 /* OK to read */
148#define __SWR 0x0008 /* OK to write */
149 /* RD and WR are never simultaneously asserted */
150#define __SRW 0x0010 /* open for reading & writing */
151#define __SEOF 0x0020 /* found EOF */
152#define __SERR 0x0040 /* found error */
153#define __SMBF 0x0080 /* _buf is from malloc */
154#define __SAPP 0x0100 /* fdopen()ed in append mode */
155#define __SSTR 0x0200 /* this is an sprintf/snprintf string */
156#define __SOPT 0x0400 /* do fseek() optimisation */
157#define __SNPT 0x0800 /* do not do fseek() optimisation */
158#define __SOFF 0x1000 /* set iff _offset is in fact correct */
159#define __SMOD 0x2000 /* true => fgetln modified _p text */
160#define __SALC 0x4000 /* allocate string space dynamically */
161
162/*
163 * The following three definitions are for ANSI C, which took them
164 * from System V, which brilliantly took internal interface macros and
165 * made them official arguments to setvbuf(), without renaming them.
166 * Hence, these ugly _IOxxx names are *supposed* to appear in user code.
167 *
168 * Although numbered as their counterparts above, the implementation
169 * does not rely on this.
170 */
171#define _IOFBF 0 /* setvbuf should set fully buffered */
172#define _IOLBF 1 /* setvbuf should set line buffered */
173#define _IONBF 2 /* setvbuf should set unbuffered */
174
175#define BUFSIZ 1024 /* size of buffer used by setbuf */
176
177#define EOF (-1)
178
179/*
180 * FOPEN_MAX is a minimum maximum, and should be the number of descriptors
181 * that the kernel can provide without allocation of a resource that can
182 * fail without the process sleeping. Do not use this for anything.
183 */
184#define FOPEN_MAX 20 /* must be <= OPEN_MAX <sys/syslimits.h> */
185#define FILENAME_MAX 1024 /* must be <= PATH_MAX <sys/syslimits.h> */
186
187/* System V/ANSI C; this is the wrong way to do this, do *not* use these. */
188#if __BSD_VISIBLE || __XPG_VISIBLE
189#define P_tmpdir "/tmp/"
190#endif
191#define L_tmpnam 1024 /* XXX must be == PATH_MAX */
192#define TMP_MAX 308915776
193
194#ifndef SEEK_SET
195#define SEEK_SET 0 /* set file offset to offset */
196#endif
197#ifndef SEEK_CUR
198#define SEEK_CUR 1 /* set file offset to current plus offset */
199#endif
200#ifndef SEEK_END
201#define SEEK_END 2 /* set file offset to EOF plus offset */
202#endif
203
204#define stdin (&__sF[0])
205#define stdout (&__sF[1])
206#define stderr (&__sF[2])
207
208/*
209 * Functions defined in ANSI C standard.
210 */
211__BEGIN_DECLS
212void clearerr(FILE *);
213int fclose(FILE *);
214int feof(FILE *);
215int ferror(FILE *);
216int fflush(FILE *);
217int fgetc(FILE *);
218int fgetpos(FILE *, fpos_t *);
219char *fgets(char *, int, FILE *);
220FILE *fopen(const char *, const char *);
221int fprintf(FILE *, const char *, ...);
222int fputc(int, FILE *);
223int fputs(const char *, FILE *);
224size_t fread(void *, size_t, size_t, FILE *);
225FILE *freopen(const char *, const char *, FILE *);
226int fscanf(FILE *, const char *, ...);
227int fseek(FILE *, long, int);
228int fseeko(FILE *, off_t, int);
229int fsetpos(FILE *, const fpos_t *);
230long ftell(FILE *);
231off_t ftello(FILE *);
232size_t fwrite(const void *, size_t, size_t, FILE *);
233int getc(FILE *);
234int getchar(void);
235char *gets(char *);
236#if __BSD_VISIBLE && !defined(__SYS_ERRLIST)
237#define __SYS_ERRLIST
238
239extern int sys_nerr; /* perror(3) external variables */
240extern char *sys_errlist[];
241#endif
242void perror(const char *);
243int printf(const char *, ...);
244int putc(int, FILE *);
245int putchar(int);
246int puts(const char *);
247int remove(const char *);
248int rename(const char *, const char *);
249void rewind(FILE *);
250int scanf(const char *, ...);
251void setbuf(FILE *, char *);
252int setvbuf(FILE *, char *, int, size_t);
253int sprintf(char *, const char *, ...);
254int sscanf(const char *, const char *, ...);
255FILE *tmpfile(void);
256char *tmpnam(char *);
257int ungetc(int, FILE *);
258int vfprintf(FILE *, const char *, __gnuc_va_list);
259int vprintf(const char *, __gnuc_va_list);
260int vsprintf(char *, const char *, __gnuc_va_list);
261
262#if __ISO_C_VISIBLE >= 1999 || __BSD_VISIBLE
263int snprintf(char *, size_t, const char *, ...)
264 __attribute__((__format__ (printf, 3, 4)))
265 __attribute__((__nonnull__ (3)));
266int vfscanf(FILE *, const char *, __gnuc_va_list)
267 __attribute__((__format__ (scanf, 2, 0)))
268 __attribute__((__nonnull__ (2)));
269int vscanf(const char *, __gnuc_va_list)
270 __attribute__((__format__ (scanf, 1, 0)))
271 __attribute__((__nonnull__ (1)));
272int vsnprintf(char *, size_t, const char *, __gnuc_va_list)
273 __attribute__((__format__ (printf, 3, 0)))
274 __attribute__((__nonnull__ (3)));
275int vsscanf(const char *, const char *, __gnuc_va_list)
276 __attribute__((__format__ (scanf, 2, 0)))
277 __attribute__((__nonnull__ (2)));
278#endif /* __ISO_C_VISIBLE >= 1999 || __BSD_VISIBLE */
279
280__END_DECLS
281
282
283/*
284 * Functions defined in POSIX 1003.1.
285 */
286#if __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE
287#define L_ctermid 1024 /* size for ctermid(); PATH_MAX */
288#define L_cuserid 9 /* size for cuserid(); UT_NAMESIZE + 1 */
289
290__BEGIN_DECLS
291#if 0 /* MISSING FROM BIONIC */
292char *ctermid(char *);
293char *cuserid(char *);
294#endif /* MISSING */
295FILE *fdopen(int, const char *);
296int fileno(FILE *);
297
298#if (__POSIX_VISIBLE >= 199209)
299int pclose(FILE *);
300FILE *popen(const char *, const char *);
301#endif
302
303#if __POSIX_VISIBLE >= 199506
304void flockfile(FILE *);
305int ftrylockfile(FILE *);
306void funlockfile(FILE *);
307
308/*
309 * These are normally used through macros as defined below, but POSIX
310 * requires functions as well.
311 */
312int getc_unlocked(FILE *);
313int getchar_unlocked(void);
314int putc_unlocked(int, FILE *);
315int putchar_unlocked(int);
316#endif /* __POSIX_VISIBLE >= 199506 */
317
318#if __XPG_VISIBLE
319char *tempnam(const char *, const char *);
320#endif
321__END_DECLS
322
323#endif /* __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE */
324
325/*
326 * Routines that are purely local.
327 */
328#if __BSD_VISIBLE
329__BEGIN_DECLS
330int asprintf(char **, const char *, ...)
331 __attribute__((__format__ (printf, 2, 3)))
332 __attribute__((__nonnull__ (2)));
333char *fgetln(FILE *, size_t *);
334int fpurge(FILE *);
335int getw(FILE *);
336int putw(int, FILE *);
337void setbuffer(FILE *, char *, int);
338int setlinebuf(FILE *);
339int vasprintf(char **, const char *, __gnuc_va_list)
340 __attribute__((__format__ (printf, 2, 0)))
341 __attribute__((__nonnull__ (2)));
342__END_DECLS
343
344/*
345 * Stdio function-access interface.
346 */
347__BEGIN_DECLS
348FILE *funopen(const void *,
349 int (*)(void *, char *, int),
350 int (*)(void *, const char *, int),
351 fpos_t (*)(void *, fpos_t, int),
352 int (*)(void *));
353__END_DECLS
354#define fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0)
355#define fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0)
356#endif /* __BSD_VISIBLE */
357
358/*
359 * Functions internal to the implementation.
360 */
361__BEGIN_DECLS
362int __srget(FILE *);
363int __swbuf(int, FILE *);
364__END_DECLS
365
366/*
367 * The __sfoo macros are here so that we can
368 * define function versions in the C library.
369 */
370#define __sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++))
371#if defined(__GNUC__)
372static __inline int __sputc(int _c, FILE *_p) {
373 if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n'))
374 return (*_p->_p++ = _c);
375 else
376 return (__swbuf(_c, _p));
377}
378#else
379/*
380 * This has been tuned to generate reasonable code on the vax using pcc.
381 */
382#define __sputc(c, p) \
383 (--(p)->_w < 0 ? \
384 (p)->_w >= (p)->_lbfsize ? \
385 (*(p)->_p = (c)), *(p)->_p != '\n' ? \
386 (int)*(p)->_p++ : \
387 __swbuf('\n', p) : \
388 __swbuf((int)(c), p) : \
389 (*(p)->_p = (c), (int)*(p)->_p++))
390#endif
391
392#define __sfeof(p) (((p)->_flags & __SEOF) != 0)
393#define __sferror(p) (((p)->_flags & __SERR) != 0)
394#define __sclearerr(p) ((void)((p)->_flags &= ~(__SERR|__SEOF)))
395#define __sfileno(p) ((p)->_file)
396
397#define feof(p) __sfeof(p)
398#define ferror(p) __sferror(p)
399
400#ifndef _POSIX_THREADS
401#define clearerr(p) __sclearerr(p)
402#endif
403
404#if __POSIX_VISIBLE
405#define fileno(p) __sfileno(p)
406#endif
407
408#ifndef lint
409#ifndef _POSIX_THREADS
410#define getc(fp) __sgetc(fp)
411#endif /* _POSIX_THREADS */
412#define getc_unlocked(fp) __sgetc(fp)
413/*
414 * The macro implementations of putc and putc_unlocked are not
415 * fully POSIX compliant; they do not set errno on failure
416 */
417#if __BSD_VISIBLE
418#ifndef _POSIX_THREADS
419#define putc(x, fp) __sputc(x, fp)
420#endif /* _POSIX_THREADS */
421#define putc_unlocked(x, fp) __sputc(x, fp)
422#endif /* __BSD_VISIBLE */
423#endif /* lint */
424
425#define getchar() getc(stdin)
426#define putchar(x) putc(x, stdout)
427#define getchar_unlocked() getc_unlocked(stdin)
428#define putchar_unlocked(c) putc_unlocked(c, stdout)
429
430#ifdef _GNU_SOURCE
431/*
432 * glibc defines dprintf(int, const char*, ...), which is poorly named
433 * and likely to conflict with locally defined debugging printfs
434 * fdprintf is a better name, and some programs that use fdprintf use a
435 * #define fdprintf dprintf for compatibility
436 */
437int fdprintf(int, const char*, ...);
438int vfdprintf(int, const char*, __gnuc_va_list);
439#endif /* _GNU_SOURCE */
440
441#endif /* _STDIO_H_ */