1*199767f8SToomas Soome /*-
2*199767f8SToomas Soome * Copyright (c) 1990, 1993
3*199767f8SToomas Soome * The Regents of the University of California. All rights reserved.
4*199767f8SToomas Soome *
5*199767f8SToomas Soome * This code is derived from software contributed to Berkeley by
6*199767f8SToomas Soome * Chris Torek.
7*199767f8SToomas Soome *
8*199767f8SToomas Soome * Redistribution and use in source and binary forms, with or without
9*199767f8SToomas Soome * modification, are permitted provided that the following conditions
10*199767f8SToomas Soome * are met:
11*199767f8SToomas Soome * 1. Redistributions of source code must retain the above copyright
12*199767f8SToomas Soome * notice, this list of conditions and the following disclaimer.
13*199767f8SToomas Soome * 2. Redistributions in binary form must reproduce the above copyright
14*199767f8SToomas Soome * notice, this list of conditions and the following disclaimer in the
15*199767f8SToomas Soome * documentation and/or other materials provided with the distribution.
16*199767f8SToomas Soome * 3. Neither the name of the University nor the names of its contributors
17*199767f8SToomas Soome * may be used to endorse or promote products derived from this software
18*199767f8SToomas Soome * without specific prior written permission.
19*199767f8SToomas Soome *
20*199767f8SToomas Soome * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21*199767f8SToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22*199767f8SToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23*199767f8SToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24*199767f8SToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25*199767f8SToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26*199767f8SToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27*199767f8SToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28*199767f8SToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29*199767f8SToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30*199767f8SToomas Soome * SUCH DAMAGE.
31*199767f8SToomas Soome *
32*199767f8SToomas Soome * @(#)stdio.h 8.5 (Berkeley) 4/29/95
33*199767f8SToomas Soome * $FreeBSD$
34*199767f8SToomas Soome */
35*199767f8SToomas Soome
36*199767f8SToomas Soome #ifndef _STDIO_H_
37*199767f8SToomas Soome #define _STDIO_H_
38*199767f8SToomas Soome
39*199767f8SToomas Soome #include <sys/cdefs.h>
40*199767f8SToomas Soome #include <sys/_null.h>
41*199767f8SToomas Soome #include <sys/_types.h>
42*199767f8SToomas Soome
43*199767f8SToomas Soome typedef __off_t fpos_t;
44*199767f8SToomas Soome
45*199767f8SToomas Soome #ifndef _SIZE_T_DECLARED
46*199767f8SToomas Soome typedef __size_t size_t;
47*199767f8SToomas Soome #define _SIZE_T_DECLARED
48*199767f8SToomas Soome #endif
49*199767f8SToomas Soome
50*199767f8SToomas Soome #if __POSIX_VISIBLE >= 200809
51*199767f8SToomas Soome #ifndef _OFF_T_DECLARED
52*199767f8SToomas Soome #define _OFF_T_DECLARED
53*199767f8SToomas Soome typedef __off_t off_t;
54*199767f8SToomas Soome #endif
55*199767f8SToomas Soome #ifndef _SSIZE_T_DECLARED
56*199767f8SToomas Soome #define _SSIZE_T_DECLARED
57*199767f8SToomas Soome typedef __ssize_t ssize_t;
58*199767f8SToomas Soome #endif
59*199767f8SToomas Soome #endif
60*199767f8SToomas Soome
61*199767f8SToomas Soome #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
62*199767f8SToomas Soome #ifndef _VA_LIST_DECLARED
63*199767f8SToomas Soome typedef __va_list va_list;
64*199767f8SToomas Soome #define _VA_LIST_DECLARED
65*199767f8SToomas Soome #endif
66*199767f8SToomas Soome #endif
67*199767f8SToomas Soome
68*199767f8SToomas Soome #define _FSTDIO /* Define for new stdio with functions. */
69*199767f8SToomas Soome
70*199767f8SToomas Soome /*
71*199767f8SToomas Soome * NB: to fit things in six character monocase externals, the stdio
72*199767f8SToomas Soome * code uses the prefix `__s' for stdio objects, typically followed
73*199767f8SToomas Soome * by a three-character attempt at a mnemonic.
74*199767f8SToomas Soome */
75*199767f8SToomas Soome
76*199767f8SToomas Soome /* stdio buffers */
77*199767f8SToomas Soome struct __sbuf {
78*199767f8SToomas Soome unsigned char *_base;
79*199767f8SToomas Soome int _size;
80*199767f8SToomas Soome };
81*199767f8SToomas Soome
82*199767f8SToomas Soome /*
83*199767f8SToomas Soome * stdio state variables.
84*199767f8SToomas Soome *
85*199767f8SToomas Soome * The following always hold:
86*199767f8SToomas Soome *
87*199767f8SToomas Soome * if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR),
88*199767f8SToomas Soome * _lbfsize is -_bf._size, else _lbfsize is 0
89*199767f8SToomas Soome * if _flags&__SRD, _w is 0
90*199767f8SToomas Soome * if _flags&__SWR, _r is 0
91*199767f8SToomas Soome *
92*199767f8SToomas Soome * This ensures that the getc and putc macros (or inline functions) never
93*199767f8SToomas Soome * try to write or read from a file that is in `read' or `write' mode.
94*199767f8SToomas Soome * (Moreover, they can, and do, automatically switch from read mode to
95*199767f8SToomas Soome * write mode, and back, on "r+" and "w+" files.)
96*199767f8SToomas Soome *
97*199767f8SToomas Soome * _lbfsize is used only to make the inline line-buffered output stream
98*199767f8SToomas Soome * code as compact as possible.
99*199767f8SToomas Soome *
100*199767f8SToomas Soome * _ub, _up, and _ur are used when ungetc() pushes back more characters
101*199767f8SToomas Soome * than fit in the current _bf, or when ungetc() pushes back a character
102*199767f8SToomas Soome * that does not match the previous one in _bf. When this happens,
103*199767f8SToomas Soome * _ub._base becomes non-nil (i.e., a stream has ungetc() data iff
104*199767f8SToomas Soome * _ub._base!=NULL) and _up and _ur save the current values of _p and _r.
105*199767f8SToomas Soome *
106*199767f8SToomas Soome * Certain members of __sFILE are accessed directly via macros or
107*199767f8SToomas Soome * inline functions. To preserve ABI compat, these members must not
108*199767f8SToomas Soome * be disturbed. These members are marked below with (*).
109*199767f8SToomas Soome */
110*199767f8SToomas Soome struct __sFILE {
111*199767f8SToomas Soome unsigned char *_p; /* (*) current position in (some) buffer */
112*199767f8SToomas Soome int _r; /* (*) read space left for getc() */
113*199767f8SToomas Soome int _w; /* (*) write space left for putc() */
114*199767f8SToomas Soome short _flags; /* (*) flags, below; this FILE is free if 0 */
115*199767f8SToomas Soome short _file; /* (*) fileno, if Unix descriptor, else -1 */
116*199767f8SToomas Soome struct __sbuf _bf; /* (*) the buffer (at least 1 byte, if !NULL) */
117*199767f8SToomas Soome int _lbfsize; /* (*) 0 or -_bf._size, for inline putc */
118*199767f8SToomas Soome
119*199767f8SToomas Soome /* operations */
120*199767f8SToomas Soome void *_cookie; /* (*) cookie passed to io functions */
121*199767f8SToomas Soome int (*_close)(void *);
122*199767f8SToomas Soome int (*_read)(void *, char *, int);
123*199767f8SToomas Soome fpos_t (*_seek)(void *, fpos_t, int);
124*199767f8SToomas Soome int (*_write)(void *, const char *, int);
125*199767f8SToomas Soome
126*199767f8SToomas Soome /* separate buffer for long sequences of ungetc() */
127*199767f8SToomas Soome struct __sbuf _ub; /* ungetc buffer */
128*199767f8SToomas Soome unsigned char *_up; /* saved _p when _p is doing ungetc data */
129*199767f8SToomas Soome int _ur; /* saved _r when _r is counting ungetc data */
130*199767f8SToomas Soome
131*199767f8SToomas Soome /* tricks to meet minimum requirements even when malloc() fails */
132*199767f8SToomas Soome unsigned char _ubuf[3]; /* guarantee an ungetc() buffer */
133*199767f8SToomas Soome unsigned char _nbuf[1]; /* guarantee a getc() buffer */
134*199767f8SToomas Soome
135*199767f8SToomas Soome /* separate buffer for fgetln() when line crosses buffer boundary */
136*199767f8SToomas Soome struct __sbuf _lb; /* buffer for fgetln() */
137*199767f8SToomas Soome
138*199767f8SToomas Soome /* Unix stdio files get aligned to block boundaries on fseek() */
139*199767f8SToomas Soome int _blksize; /* stat.st_blksize (may be != _bf._size) */
140*199767f8SToomas Soome fpos_t _offset; /* current lseek offset */
141*199767f8SToomas Soome
142*199767f8SToomas Soome struct pthread_mutex *_fl_mutex; /* used for MT-safety */
143*199767f8SToomas Soome struct pthread *_fl_owner; /* current owner */
144*199767f8SToomas Soome int _fl_count; /* recursive lock count */
145*199767f8SToomas Soome int _orientation; /* orientation for fwide() */
146*199767f8SToomas Soome __mbstate_t _mbstate; /* multibyte conversion state */
147*199767f8SToomas Soome int _flags2; /* additional flags */
148*199767f8SToomas Soome };
149*199767f8SToomas Soome #ifndef _STDFILE_DECLARED
150*199767f8SToomas Soome #define _STDFILE_DECLARED
151*199767f8SToomas Soome typedef struct __sFILE FILE;
152*199767f8SToomas Soome #endif
153*199767f8SToomas Soome #ifndef _STDSTREAM_DECLARED
154*199767f8SToomas Soome __BEGIN_DECLS
155*199767f8SToomas Soome extern FILE *__stdinp;
156*199767f8SToomas Soome extern FILE *__stdoutp;
157*199767f8SToomas Soome extern FILE *__stderrp;
158*199767f8SToomas Soome __END_DECLS
159*199767f8SToomas Soome #define _STDSTREAM_DECLARED
160*199767f8SToomas Soome #endif
161*199767f8SToomas Soome
162*199767f8SToomas Soome #define __SLBF 0x0001 /* line buffered */
163*199767f8SToomas Soome #define __SNBF 0x0002 /* unbuffered */
164*199767f8SToomas Soome #define __SRD 0x0004 /* OK to read */
165*199767f8SToomas Soome #define __SWR 0x0008 /* OK to write */
166*199767f8SToomas Soome /* RD and WR are never simultaneously asserted */
167*199767f8SToomas Soome #define __SRW 0x0010 /* open for reading & writing */
168*199767f8SToomas Soome #define __SEOF 0x0020 /* found EOF */
169*199767f8SToomas Soome #define __SERR 0x0040 /* found error */
170*199767f8SToomas Soome #define __SMBF 0x0080 /* _bf._base is from malloc */
171*199767f8SToomas Soome #define __SAPP 0x0100 /* fdopen()ed in append mode */
172*199767f8SToomas Soome #define __SSTR 0x0200 /* this is an sprintf/snprintf string */
173*199767f8SToomas Soome #define __SOPT 0x0400 /* do fseek() optimization */
174*199767f8SToomas Soome #define __SNPT 0x0800 /* do not do fseek() optimization */
175*199767f8SToomas Soome #define __SOFF 0x1000 /* set iff _offset is in fact correct */
176*199767f8SToomas Soome #define __SMOD 0x2000 /* true => fgetln modified _p text */
177*199767f8SToomas Soome #define __SALC 0x4000 /* allocate string space dynamically */
178*199767f8SToomas Soome #define __SIGN 0x8000 /* ignore this file in _fwalk */
179*199767f8SToomas Soome
180*199767f8SToomas Soome #define __S2OAP 0x0001 /* O_APPEND mode is set */
181*199767f8SToomas Soome
182*199767f8SToomas Soome /*
183*199767f8SToomas Soome * The following three definitions are for ANSI C, which took them
184*199767f8SToomas Soome * from System V, which brilliantly took internal interface macros and
185*199767f8SToomas Soome * made them official arguments to setvbuf(), without renaming them.
186*199767f8SToomas Soome * Hence, these ugly _IOxxx names are *supposed* to appear in user code.
187*199767f8SToomas Soome *
188*199767f8SToomas Soome * Although numbered as their counterparts above, the implementation
189*199767f8SToomas Soome * does not rely on this.
190*199767f8SToomas Soome */
191*199767f8SToomas Soome #define _IOFBF 0 /* setvbuf should set fully buffered */
192*199767f8SToomas Soome #define _IOLBF 1 /* setvbuf should set line buffered */
193*199767f8SToomas Soome #define _IONBF 2 /* setvbuf should set unbuffered */
194*199767f8SToomas Soome
195*199767f8SToomas Soome #define BUFSIZ 1024 /* size of buffer used by setbuf */
196*199767f8SToomas Soome #define EOF (-1)
197*199767f8SToomas Soome
198*199767f8SToomas Soome /*
199*199767f8SToomas Soome * FOPEN_MAX is a minimum maximum, and is the number of streams that
200*199767f8SToomas Soome * stdio can provide without attempting to allocate further resources
201*199767f8SToomas Soome * (which could fail). Do not use this for anything.
202*199767f8SToomas Soome */
203*199767f8SToomas Soome /* must be == _POSIX_STREAM_MAX <limits.h> */
204*199767f8SToomas Soome #ifndef FOPEN_MAX
205*199767f8SToomas Soome #define FOPEN_MAX 20 /* must be <= OPEN_MAX <sys/syslimits.h> */
206*199767f8SToomas Soome #endif
207*199767f8SToomas Soome #define FILENAME_MAX 1024 /* must be <= PATH_MAX <sys/syslimits.h> */
208*199767f8SToomas Soome
209*199767f8SToomas Soome /* System V/ANSI C; this is the wrong way to do this, do *not* use these. */
210*199767f8SToomas Soome #if __XSI_VISIBLE
211*199767f8SToomas Soome #define P_tmpdir "/tmp/"
212*199767f8SToomas Soome #endif
213*199767f8SToomas Soome #define L_tmpnam 1024 /* XXX must be == PATH_MAX */
214*199767f8SToomas Soome #define TMP_MAX 308915776
215*199767f8SToomas Soome
216*199767f8SToomas Soome #ifndef SEEK_SET
217*199767f8SToomas Soome #define SEEK_SET 0 /* set file offset to offset */
218*199767f8SToomas Soome #endif
219*199767f8SToomas Soome #ifndef SEEK_CUR
220*199767f8SToomas Soome #define SEEK_CUR 1 /* set file offset to current plus offset */
221*199767f8SToomas Soome #endif
222*199767f8SToomas Soome #ifndef SEEK_END
223*199767f8SToomas Soome #define SEEK_END 2 /* set file offset to EOF plus offset */
224*199767f8SToomas Soome #endif
225*199767f8SToomas Soome
226*199767f8SToomas Soome #define stdin __stdinp
227*199767f8SToomas Soome #define stdout __stdoutp
228*199767f8SToomas Soome #define stderr __stderrp
229*199767f8SToomas Soome
230*199767f8SToomas Soome __BEGIN_DECLS
231*199767f8SToomas Soome #ifdef _XLOCALE_H_
232*199767f8SToomas Soome #include <xlocale/_stdio.h>
233*199767f8SToomas Soome #endif
234*199767f8SToomas Soome /*
235*199767f8SToomas Soome * Functions defined in ANSI C standard.
236*199767f8SToomas Soome */
237*199767f8SToomas Soome void clearerr(FILE *);
238*199767f8SToomas Soome int fclose(FILE *);
239*199767f8SToomas Soome int feof(FILE *);
240*199767f8SToomas Soome int ferror(FILE *);
241*199767f8SToomas Soome int fflush(FILE *);
242*199767f8SToomas Soome int fgetc(FILE *);
243*199767f8SToomas Soome int fgetpos(FILE * __restrict, fpos_t * __restrict);
244*199767f8SToomas Soome char *fgets(char * __restrict, int, FILE * __restrict);
245*199767f8SToomas Soome FILE *fopen(const char * __restrict, const char * __restrict);
246*199767f8SToomas Soome int fprintf(FILE * __restrict, const char * __restrict, ...);
247*199767f8SToomas Soome int fputc(int, FILE *);
248*199767f8SToomas Soome int fputs(const char * __restrict, FILE * __restrict);
249*199767f8SToomas Soome size_t fread(void * __restrict, size_t, size_t, FILE * __restrict);
250*199767f8SToomas Soome FILE *freopen(const char * __restrict, const char * __restrict, FILE * __restrict);
251*199767f8SToomas Soome int fscanf(FILE * __restrict, const char * __restrict, ...);
252*199767f8SToomas Soome int fseek(FILE *, long, int);
253*199767f8SToomas Soome int fsetpos(FILE *, const fpos_t *);
254*199767f8SToomas Soome long ftell(FILE *);
255*199767f8SToomas Soome size_t fwrite(const void * __restrict, size_t, size_t, FILE * __restrict);
256*199767f8SToomas Soome int getc(FILE *);
257*199767f8SToomas Soome int getchar(void);
258*199767f8SToomas Soome char *gets(char *);
259*199767f8SToomas Soome void perror(const char *);
260*199767f8SToomas Soome int printf(const char * __restrict, ...);
261*199767f8SToomas Soome int putc(int, FILE *);
262*199767f8SToomas Soome int putchar(int);
263*199767f8SToomas Soome int puts(const char *);
264*199767f8SToomas Soome int remove(const char *);
265*199767f8SToomas Soome int rename(const char *, const char *);
266*199767f8SToomas Soome void rewind(FILE *);
267*199767f8SToomas Soome int scanf(const char * __restrict, ...);
268*199767f8SToomas Soome void setbuf(FILE * __restrict, char * __restrict);
269*199767f8SToomas Soome int setvbuf(FILE * __restrict, char * __restrict, int, size_t);
270*199767f8SToomas Soome int sprintf(char * __restrict, const char * __restrict, ...);
271*199767f8SToomas Soome int sscanf(const char * __restrict, const char * __restrict, ...);
272*199767f8SToomas Soome FILE *tmpfile(void);
273*199767f8SToomas Soome char *tmpnam(char *);
274*199767f8SToomas Soome int ungetc(int, FILE *);
275*199767f8SToomas Soome int vfprintf(FILE * __restrict, const char * __restrict,
276*199767f8SToomas Soome __va_list);
277*199767f8SToomas Soome int vprintf(const char * __restrict, __va_list);
278*199767f8SToomas Soome int vsprintf(char * __restrict, const char * __restrict,
279*199767f8SToomas Soome __va_list);
280*199767f8SToomas Soome
281*199767f8SToomas Soome #if __ISO_C_VISIBLE >= 1999
282*199767f8SToomas Soome int snprintf(char * __restrict, size_t, const char * __restrict,
283*199767f8SToomas Soome ...) __printflike(3, 4);
284*199767f8SToomas Soome int vfscanf(FILE * __restrict, const char * __restrict, __va_list)
285*199767f8SToomas Soome __scanflike(2, 0);
286*199767f8SToomas Soome int vscanf(const char * __restrict, __va_list) __scanflike(1, 0);
287*199767f8SToomas Soome int vsnprintf(char * __restrict, size_t, const char * __restrict,
288*199767f8SToomas Soome __va_list) __printflike(3, 0);
289*199767f8SToomas Soome int vsscanf(const char * __restrict, const char * __restrict, __va_list)
290*199767f8SToomas Soome __scanflike(2, 0);
291*199767f8SToomas Soome #endif
292*199767f8SToomas Soome
293*199767f8SToomas Soome /*
294*199767f8SToomas Soome * Functions defined in all versions of POSIX 1003.1.
295*199767f8SToomas Soome */
296*199767f8SToomas Soome #if __BSD_VISIBLE || (__POSIX_VISIBLE && __POSIX_VISIBLE <= 199506)
297*199767f8SToomas Soome #define L_cuserid 17 /* size for cuserid(3); MAXLOGNAME, legacy */
298*199767f8SToomas Soome #endif
299*199767f8SToomas Soome
300*199767f8SToomas Soome #if __POSIX_VISIBLE
301*199767f8SToomas Soome #define L_ctermid 1024 /* size for ctermid(3); PATH_MAX */
302*199767f8SToomas Soome
303*199767f8SToomas Soome char *ctermid(char *);
304*199767f8SToomas Soome FILE *fdopen(int, const char *);
305*199767f8SToomas Soome int fileno(FILE *);
306*199767f8SToomas Soome #endif /* __POSIX_VISIBLE */
307*199767f8SToomas Soome
308*199767f8SToomas Soome #if __POSIX_VISIBLE >= 199209
309*199767f8SToomas Soome int pclose(FILE *);
310*199767f8SToomas Soome FILE *popen(const char *, const char *);
311*199767f8SToomas Soome #endif
312*199767f8SToomas Soome
313*199767f8SToomas Soome #if __POSIX_VISIBLE >= 199506
314*199767f8SToomas Soome int ftrylockfile(FILE *);
315*199767f8SToomas Soome void flockfile(FILE *);
316*199767f8SToomas Soome void funlockfile(FILE *);
317*199767f8SToomas Soome
318*199767f8SToomas Soome /*
319*199767f8SToomas Soome * These are normally used through macros as defined below, but POSIX
320*199767f8SToomas Soome * requires functions as well.
321*199767f8SToomas Soome */
322*199767f8SToomas Soome int getc_unlocked(FILE *);
323*199767f8SToomas Soome int getchar_unlocked(void);
324*199767f8SToomas Soome int putc_unlocked(int, FILE *);
325*199767f8SToomas Soome int putchar_unlocked(int);
326*199767f8SToomas Soome #endif
327*199767f8SToomas Soome #if __BSD_VISIBLE
328*199767f8SToomas Soome void clearerr_unlocked(FILE *);
329*199767f8SToomas Soome int feof_unlocked(FILE *);
330*199767f8SToomas Soome int ferror_unlocked(FILE *);
331*199767f8SToomas Soome int fileno_unlocked(FILE *);
332*199767f8SToomas Soome #endif
333*199767f8SToomas Soome
334*199767f8SToomas Soome #if __POSIX_VISIBLE >= 200112
335*199767f8SToomas Soome int fseeko(FILE *, __off_t, int);
336*199767f8SToomas Soome __off_t ftello(FILE *);
337*199767f8SToomas Soome #endif
338*199767f8SToomas Soome
339*199767f8SToomas Soome #if __BSD_VISIBLE || __XSI_VISIBLE > 0 && __XSI_VISIBLE < 600
340*199767f8SToomas Soome int getw(FILE *);
341*199767f8SToomas Soome int putw(int, FILE *);
342*199767f8SToomas Soome #endif /* BSD or X/Open before issue 6 */
343*199767f8SToomas Soome
344*199767f8SToomas Soome #if __XSI_VISIBLE
345*199767f8SToomas Soome char *tempnam(const char *, const char *);
346*199767f8SToomas Soome #endif
347*199767f8SToomas Soome
348*199767f8SToomas Soome #if __POSIX_VISIBLE >= 200809
349*199767f8SToomas Soome FILE *fmemopen(void * __restrict, size_t, const char * __restrict);
350*199767f8SToomas Soome ssize_t getdelim(char ** __restrict, size_t * __restrict, int,
351*199767f8SToomas Soome FILE * __restrict);
352*199767f8SToomas Soome FILE *open_memstream(char **, size_t *);
353*199767f8SToomas Soome int renameat(int, const char *, int, const char *);
354*199767f8SToomas Soome int vdprintf(int, const char * __restrict, __va_list);
355*199767f8SToomas Soome
356*199767f8SToomas Soome /*
357*199767f8SToomas Soome * Every programmer and his dog wrote functions called getline() and dprintf()
358*199767f8SToomas Soome * before POSIX.1-2008 came along and decided to usurp the names, so we
359*199767f8SToomas Soome * don't prototype them by default unless one of the following is true:
360*199767f8SToomas Soome * a) the app has requested them specifically by defining _WITH_GETLINE or
361*199767f8SToomas Soome * _WITH_DPRINTF, respectively
362*199767f8SToomas Soome * b) the app has requested a POSIX.1-2008 environment via _POSIX_C_SOURCE
363*199767f8SToomas Soome * c) the app defines a GNUism such as _BSD_SOURCE or _GNU_SOURCE
364*199767f8SToomas Soome */
365*199767f8SToomas Soome #ifndef _WITH_GETLINE
366*199767f8SToomas Soome #if defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
367*199767f8SToomas Soome #define _WITH_GETLINE
368*199767f8SToomas Soome #elif defined(_POSIX_C_SOURCE)
369*199767f8SToomas Soome #if _POSIX_C_SOURCE >= 200809
370*199767f8SToomas Soome #define _WITH_GETLINE
371*199767f8SToomas Soome #endif
372*199767f8SToomas Soome #endif
373*199767f8SToomas Soome #endif
374*199767f8SToomas Soome
375*199767f8SToomas Soome #ifdef _WITH_GETLINE
376*199767f8SToomas Soome ssize_t getline(char ** __restrict, size_t * __restrict, FILE * __restrict);
377*199767f8SToomas Soome #endif
378*199767f8SToomas Soome
379*199767f8SToomas Soome #ifndef _WITH_DPRINTF
380*199767f8SToomas Soome #if defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
381*199767f8SToomas Soome #define _WITH_DPRINTF
382*199767f8SToomas Soome #elif defined(_POSIX_C_SOURCE)
383*199767f8SToomas Soome #if _POSIX_C_SOURCE >= 200809
384*199767f8SToomas Soome #define _WITH_DPRINTF
385*199767f8SToomas Soome #endif
386*199767f8SToomas Soome #endif
387*199767f8SToomas Soome #endif
388*199767f8SToomas Soome
389*199767f8SToomas Soome #ifdef _WITH_DPRINTF
390*199767f8SToomas Soome int (dprintf)(int, const char * __restrict, ...);
391*199767f8SToomas Soome #endif
392*199767f8SToomas Soome
393*199767f8SToomas Soome #endif /* __POSIX_VISIBLE >= 200809 */
394*199767f8SToomas Soome
395*199767f8SToomas Soome /*
396*199767f8SToomas Soome * Routines that are purely local.
397*199767f8SToomas Soome */
398*199767f8SToomas Soome #if __BSD_VISIBLE
399*199767f8SToomas Soome int asprintf(char **, const char *, ...) __printflike(2, 3);
400*199767f8SToomas Soome char *ctermid_r(char *);
401*199767f8SToomas Soome void fcloseall(void);
402*199767f8SToomas Soome int fdclose(FILE *, int *);
403*199767f8SToomas Soome char *fgetln(FILE *, size_t *);
404*199767f8SToomas Soome const char *fmtcheck(const char *, const char *) __format_arg(2);
405*199767f8SToomas Soome int fpurge(FILE *);
406*199767f8SToomas Soome void setbuffer(FILE *, char *, int);
407*199767f8SToomas Soome int setlinebuf(FILE *);
408*199767f8SToomas Soome int vasprintf(char **, const char *, __va_list)
409*199767f8SToomas Soome __printflike(2, 0);
410*199767f8SToomas Soome
411*199767f8SToomas Soome /*
412*199767f8SToomas Soome * The system error table contains messages for the first sys_nerr
413*199767f8SToomas Soome * positive errno values. Use strerror() or strerror_r() from <string.h>
414*199767f8SToomas Soome * instead.
415*199767f8SToomas Soome */
416*199767f8SToomas Soome extern const int sys_nerr;
417*199767f8SToomas Soome extern const char * const sys_errlist[];
418*199767f8SToomas Soome
419*199767f8SToomas Soome /*
420*199767f8SToomas Soome * Stdio function-access interface.
421*199767f8SToomas Soome */
422*199767f8SToomas Soome FILE *funopen(const void *,
423*199767f8SToomas Soome int (*)(void *, char *, int),
424*199767f8SToomas Soome int (*)(void *, const char *, int),
425*199767f8SToomas Soome fpos_t (*)(void *, fpos_t, int),
426*199767f8SToomas Soome int (*)(void *));
427*199767f8SToomas Soome #define fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0)
428*199767f8SToomas Soome #define fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0)
429*199767f8SToomas Soome
430*199767f8SToomas Soome /*
431*199767f8SToomas Soome * Portability hacks. See <sys/types.h>.
432*199767f8SToomas Soome */
433*199767f8SToomas Soome #ifndef _FTRUNCATE_DECLARED
434*199767f8SToomas Soome #define _FTRUNCATE_DECLARED
435*199767f8SToomas Soome int ftruncate(int, __off_t);
436*199767f8SToomas Soome #endif
437*199767f8SToomas Soome #ifndef _LSEEK_DECLARED
438*199767f8SToomas Soome #define _LSEEK_DECLARED
439*199767f8SToomas Soome __off_t lseek(int, __off_t, int);
440*199767f8SToomas Soome #endif
441*199767f8SToomas Soome #ifndef _MMAP_DECLARED
442*199767f8SToomas Soome #define _MMAP_DECLARED
443*199767f8SToomas Soome void *mmap(void *, size_t, int, int, int, __off_t);
444*199767f8SToomas Soome #endif
445*199767f8SToomas Soome #ifndef _TRUNCATE_DECLARED
446*199767f8SToomas Soome #define _TRUNCATE_DECLARED
447*199767f8SToomas Soome int truncate(const char *, __off_t);
448*199767f8SToomas Soome #endif
449*199767f8SToomas Soome #endif /* __BSD_VISIBLE */
450*199767f8SToomas Soome
451*199767f8SToomas Soome /*
452*199767f8SToomas Soome * Functions internal to the implementation.
453*199767f8SToomas Soome */
454*199767f8SToomas Soome int __srget(FILE *);
455*199767f8SToomas Soome int __swbuf(int, FILE *);
456*199767f8SToomas Soome
457*199767f8SToomas Soome /*
458*199767f8SToomas Soome * The __sfoo macros are here so that we can
459*199767f8SToomas Soome * define function versions in the C library.
460*199767f8SToomas Soome */
461*199767f8SToomas Soome #define __sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++))
462*199767f8SToomas Soome #if defined(__GNUC__) && defined(__STDC__)
__sputc(int _c,FILE * _p)463*199767f8SToomas Soome static __inline int __sputc(int _c, FILE *_p) {
464*199767f8SToomas Soome if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n'))
465*199767f8SToomas Soome return (*_p->_p++ = _c);
466*199767f8SToomas Soome else
467*199767f8SToomas Soome return (__swbuf(_c, _p));
468*199767f8SToomas Soome }
469*199767f8SToomas Soome #else
470*199767f8SToomas Soome /*
471*199767f8SToomas Soome * This has been tuned to generate reasonable code on the vax using pcc.
472*199767f8SToomas Soome */
473*199767f8SToomas Soome #define __sputc(c, p) \
474*199767f8SToomas Soome (--(p)->_w < 0 ? \
475*199767f8SToomas Soome (p)->_w >= (p)->_lbfsize ? \
476*199767f8SToomas Soome (*(p)->_p = (c)), *(p)->_p != '\n' ? \
477*199767f8SToomas Soome (int)*(p)->_p++ : \
478*199767f8SToomas Soome __swbuf('\n', p) : \
479*199767f8SToomas Soome __swbuf((int)(c), p) : \
480*199767f8SToomas Soome (*(p)->_p = (c), (int)*(p)->_p++))
481*199767f8SToomas Soome #endif
482*199767f8SToomas Soome
483*199767f8SToomas Soome extern int __isthreaded;
484*199767f8SToomas Soome
485*199767f8SToomas Soome #ifndef __cplusplus
486*199767f8SToomas Soome
487*199767f8SToomas Soome #define __sfeof(p) (((p)->_flags & __SEOF) != 0)
488*199767f8SToomas Soome #define __sferror(p) (((p)->_flags & __SERR) != 0)
489*199767f8SToomas Soome #define __sclearerr(p) ((void)((p)->_flags &= ~(__SERR|__SEOF)))
490*199767f8SToomas Soome #define __sfileno(p) ((p)->_file)
491*199767f8SToomas Soome
492*199767f8SToomas Soome
493*199767f8SToomas Soome #define feof(p) (!__isthreaded ? __sfeof(p) : (feof)(p))
494*199767f8SToomas Soome #define ferror(p) (!__isthreaded ? __sferror(p) : (ferror)(p))
495*199767f8SToomas Soome #define clearerr(p) (!__isthreaded ? __sclearerr(p) : (clearerr)(p))
496*199767f8SToomas Soome
497*199767f8SToomas Soome #if __POSIX_VISIBLE
498*199767f8SToomas Soome #define fileno(p) (!__isthreaded ? __sfileno(p) : (fileno)(p))
499*199767f8SToomas Soome #endif
500*199767f8SToomas Soome
501*199767f8SToomas Soome #define getc(fp) (!__isthreaded ? __sgetc(fp) : (getc)(fp))
502*199767f8SToomas Soome #define putc(x, fp) (!__isthreaded ? __sputc(x, fp) : (putc)(x, fp))
503*199767f8SToomas Soome
504*199767f8SToomas Soome #define getchar() getc(stdin)
505*199767f8SToomas Soome #define putchar(x) putc(x, stdout)
506*199767f8SToomas Soome
507*199767f8SToomas Soome #if __BSD_VISIBLE
508*199767f8SToomas Soome /*
509*199767f8SToomas Soome * See ISO/IEC 9945-1 ANSI/IEEE Std 1003.1 Second Edition 1996-07-12
510*199767f8SToomas Soome * B.8.2.7 for the rationale behind the *_unlocked() macros.
511*199767f8SToomas Soome */
512*199767f8SToomas Soome #define feof_unlocked(p) __sfeof(p)
513*199767f8SToomas Soome #define ferror_unlocked(p) __sferror(p)
514*199767f8SToomas Soome #define clearerr_unlocked(p) __sclearerr(p)
515*199767f8SToomas Soome #define fileno_unlocked(p) __sfileno(p)
516*199767f8SToomas Soome #endif
517*199767f8SToomas Soome #if __POSIX_VISIBLE >= 199506
518*199767f8SToomas Soome #define getc_unlocked(fp) __sgetc(fp)
519*199767f8SToomas Soome #define putc_unlocked(x, fp) __sputc(x, fp)
520*199767f8SToomas Soome
521*199767f8SToomas Soome #define getchar_unlocked() getc_unlocked(stdin)
522*199767f8SToomas Soome #define putchar_unlocked(x) putc_unlocked(x, stdout)
523*199767f8SToomas Soome #endif
524*199767f8SToomas Soome #endif /* __cplusplus */
525*199767f8SToomas Soome
526*199767f8SToomas Soome __END_DECLS
527*199767f8SToomas Soome #endif /* !_STDIO_H_ */
528