stdio.h revision 37614
11539Srgrimes/*- 21539Srgrimes * Copyright (c) 1990, 1993 31539Srgrimes * The Regents of the University of California. All rights reserved. 41539Srgrimes * 51539Srgrimes * This code is derived from software contributed to Berkeley by 61539Srgrimes * Chris Torek. 71539Srgrimes * 81539Srgrimes * Redistribution and use in source and binary forms, with or without 91539Srgrimes * modification, are permitted provided that the following conditions 101539Srgrimes * are met: 111539Srgrimes * 1. Redistributions of source code must retain the above copyright 121539Srgrimes * notice, this list of conditions and the following disclaimer. 131539Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 141539Srgrimes * notice, this list of conditions and the following disclaimer in the 151539Srgrimes * documentation and/or other materials provided with the distribution. 161539Srgrimes * 3. All advertising materials mentioning features or use of this software 171539Srgrimes * must display the following acknowledgement: 181539Srgrimes * This product includes software developed by the University of 191539Srgrimes * California, Berkeley and its contributors. 201539Srgrimes * 4. Neither the name of the University nor the names of its contributors 211539Srgrimes * may be used to endorse or promote products derived from this software 221539Srgrimes * without specific prior written permission. 231539Srgrimes * 241539Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 251539Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 261539Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 271539Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 281539Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 291539Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 301539Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 311539Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 321539Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 331539Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 341539Srgrimes * SUCH DAMAGE. 351539Srgrimes * 3623655Speter * @(#)stdio.h 8.5 (Berkeley) 4/29/95 3737614Sbde * $Id: stdio.h,v 1.19 1998/07/08 00:52:40 peter Exp $ 381539Srgrimes */ 391539Srgrimes 401539Srgrimes#ifndef _STDIO_H_ 411539Srgrimes#define _STDIO_H_ 421539Srgrimes 431539Srgrimes#include <sys/cdefs.h> 4424897Sbde#include <machine/ansi.h> 451539Srgrimes 461539Srgrimes#ifdef _BSD_SIZE_T_ 471539Srgrimestypedef _BSD_SIZE_T_ size_t; 481539Srgrimes#undef _BSD_SIZE_T_ 491539Srgrimes#endif 501539Srgrimes 511539Srgrimes#ifndef NULL 521539Srgrimes#define NULL 0 531539Srgrimes#endif 541539Srgrimes 5524897Sbdetypedef _BSD_OFF_T_ fpos_t; 561539Srgrimes 571539Srgrimes#define _FSTDIO /* Define for new stdio with functions. */ 581539Srgrimes 591539Srgrimes/* 601539Srgrimes * NB: to fit things in six character monocase externals, the stdio 611539Srgrimes * code uses the prefix `__s' for stdio objects, typically followed 621539Srgrimes * by a three-character attempt at a mnemonic. 631539Srgrimes */ 641539Srgrimes 651539Srgrimes/* stdio buffers */ 661539Srgrimesstruct __sbuf { 671539Srgrimes unsigned char *_base; 681539Srgrimes int _size; 691539Srgrimes}; 701539Srgrimes 711539Srgrimes/* 721539Srgrimes * stdio state variables. 731539Srgrimes * 741539Srgrimes * The following always hold: 751539Srgrimes * 761539Srgrimes * if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR), 771539Srgrimes * _lbfsize is -_bf._size, else _lbfsize is 0 781539Srgrimes * if _flags&__SRD, _w is 0 791539Srgrimes * if _flags&__SWR, _r is 0 801539Srgrimes * 811539Srgrimes * This ensures that the getc and putc macros (or inline functions) never 821539Srgrimes * try to write or read from a file that is in `read' or `write' mode. 831539Srgrimes * (Moreover, they can, and do, automatically switch from read mode to 841539Srgrimes * write mode, and back, on "r+" and "w+" files.) 851539Srgrimes * 861539Srgrimes * _lbfsize is used only to make the inline line-buffered output stream 871539Srgrimes * code as compact as possible. 881539Srgrimes * 891539Srgrimes * _ub, _up, and _ur are used when ungetc() pushes back more characters 901539Srgrimes * than fit in the current _bf, or when ungetc() pushes back a character 911539Srgrimes * that does not match the previous one in _bf. When this happens, 921539Srgrimes * _ub._base becomes non-nil (i.e., a stream has ungetc() data iff 931539Srgrimes * _ub._base!=NULL) and _up and _ur save the current values of _p and _r. 941539Srgrimes * 951539Srgrimes * NB: see WARNING above before changing the layout of this structure! 961539Srgrimes */ 971539Srgrimestypedef struct __sFILE { 981539Srgrimes unsigned char *_p; /* current position in (some) buffer */ 991539Srgrimes int _r; /* read space left for getc() */ 1001539Srgrimes int _w; /* write space left for putc() */ 1011539Srgrimes short _flags; /* flags, below; this FILE is free if 0 */ 1021539Srgrimes short _file; /* fileno, if Unix descriptor, else -1 */ 1031539Srgrimes struct __sbuf _bf; /* the buffer (at least 1 byte, if !NULL) */ 1041539Srgrimes int _lbfsize; /* 0 or -_bf._size, for inline putc */ 1051539Srgrimes 1061539Srgrimes /* operations */ 1071539Srgrimes void *_cookie; /* cookie passed to io functions */ 1081539Srgrimes int (*_close) __P((void *)); 1091539Srgrimes int (*_read) __P((void *, char *, int)); 1101539Srgrimes fpos_t (*_seek) __P((void *, fpos_t, int)); 1111539Srgrimes int (*_write) __P((void *, const char *, int)); 1121539Srgrimes 1131539Srgrimes /* separate buffer for long sequences of ungetc() */ 1141539Srgrimes struct __sbuf _ub; /* ungetc buffer */ 1151539Srgrimes unsigned char *_up; /* saved _p when _p is doing ungetc data */ 1161539Srgrimes int _ur; /* saved _r when _r is counting ungetc data */ 1171539Srgrimes 1181539Srgrimes /* tricks to meet minimum requirements even when malloc() fails */ 1191539Srgrimes unsigned char _ubuf[3]; /* guarantee an ungetc() buffer */ 1201539Srgrimes unsigned char _nbuf[1]; /* guarantee a getc() buffer */ 1211539Srgrimes 1221539Srgrimes /* separate buffer for fgetln() when line crosses buffer boundary */ 1231539Srgrimes struct __sbuf _lb; /* buffer for fgetln() */ 1241539Srgrimes 1251539Srgrimes /* Unix stdio files get aligned to block boundaries on fseek() */ 1261539Srgrimes int _blksize; /* stat.st_blksize (may be != _bf._size) */ 1271539Srgrimes fpos_t _offset; /* current lseek offset (see WARNING) */ 1281539Srgrimes} FILE; 1291539Srgrimes 1301539Srgrimes__BEGIN_DECLS 1311539Srgrimesextern FILE __sF[]; 1321539Srgrimes__END_DECLS 1331539Srgrimes 1341539Srgrimes#define __SLBF 0x0001 /* line buffered */ 1351539Srgrimes#define __SNBF 0x0002 /* unbuffered */ 1361539Srgrimes#define __SRD 0x0004 /* OK to read */ 1371539Srgrimes#define __SWR 0x0008 /* OK to write */ 1381539Srgrimes /* RD and WR are never simultaneously asserted */ 1391539Srgrimes#define __SRW 0x0010 /* open for reading & writing */ 1401539Srgrimes#define __SEOF 0x0020 /* found EOF */ 1411539Srgrimes#define __SERR 0x0040 /* found error */ 1421539Srgrimes#define __SMBF 0x0080 /* _buf is from malloc */ 1431539Srgrimes#define __SAPP 0x0100 /* fdopen()ed in append mode */ 1441539Srgrimes#define __SSTR 0x0200 /* this is an sprintf/snprintf string */ 14513771Smpp#define __SOPT 0x0400 /* do fseek() optimization */ 14613771Smpp#define __SNPT 0x0800 /* do not do fseek() optimization */ 1471539Srgrimes#define __SOFF 0x1000 /* set iff _offset is in fact correct */ 1481539Srgrimes#define __SMOD 0x2000 /* true => fgetln modified _p text */ 14937489Speter#define __SALC 0x4000 /* allocate string space dynamically */ 1501539Srgrimes 1511539Srgrimes/* 1521539Srgrimes * The following three definitions are for ANSI C, which took them 1531539Srgrimes * from System V, which brilliantly took internal interface macros and 1541539Srgrimes * made them official arguments to setvbuf(), without renaming them. 1551539Srgrimes * Hence, these ugly _IOxxx names are *supposed* to appear in user code. 1561539Srgrimes * 1571539Srgrimes * Although numbered as their counterparts above, the implementation 1581539Srgrimes * does not rely on this. 1591539Srgrimes */ 1601539Srgrimes#define _IOFBF 0 /* setvbuf should set fully buffered */ 1611539Srgrimes#define _IOLBF 1 /* setvbuf should set line buffered */ 1621539Srgrimes#define _IONBF 2 /* setvbuf should set unbuffered */ 1631539Srgrimes 1641539Srgrimes#define BUFSIZ 1024 /* size of buffer used by setbuf */ 1651539Srgrimes#define EOF (-1) 1661539Srgrimes 1671539Srgrimes/* 1681539Srgrimes * FOPEN_MAX is a minimum maximum, and is the number of streams that 1691539Srgrimes * stdio can provide without attempting to allocate further resources 1701539Srgrimes * (which could fail). Do not use this for anything. 1711539Srgrimes */ 1721539Srgrimes /* must be == _POSIX_STREAM_MAX <limits.h> */ 1731539Srgrimes#define FOPEN_MAX 20 /* must be <= OPEN_MAX <sys/syslimits.h> */ 1741539Srgrimes#define FILENAME_MAX 1024 /* must be <= PATH_MAX <sys/syslimits.h> */ 1751539Srgrimes 1761539Srgrimes/* System V/ANSI C; this is the wrong way to do this, do *not* use these. */ 1771539Srgrimes#ifndef _ANSI_SOURCE 1781539Srgrimes#define P_tmpdir "/var/tmp/" 1791539Srgrimes#endif 1801539Srgrimes#define L_tmpnam 1024 /* XXX must be == PATH_MAX */ 1811539Srgrimes#define TMP_MAX 308915776 1821539Srgrimes 1831539Srgrimes#ifndef SEEK_SET 1841539Srgrimes#define SEEK_SET 0 /* set file offset to offset */ 1851539Srgrimes#endif 1861539Srgrimes#ifndef SEEK_CUR 1871539Srgrimes#define SEEK_CUR 1 /* set file offset to current plus offset */ 1881539Srgrimes#endif 1891539Srgrimes#ifndef SEEK_END 1901539Srgrimes#define SEEK_END 2 /* set file offset to EOF plus offset */ 1911539Srgrimes#endif 1921539Srgrimes 1931539Srgrimes#define stdin (&__sF[0]) 1941539Srgrimes#define stdout (&__sF[1]) 1951539Srgrimes#define stderr (&__sF[2]) 1961539Srgrimes 1971539Srgrimes/* 1981539Srgrimes * Functions defined in ANSI C standard. 1991539Srgrimes */ 2001539Srgrimes__BEGIN_DECLS 2011539Srgrimesvoid clearerr __P((FILE *)); 2021539Srgrimesint fclose __P((FILE *)); 2031539Srgrimesint feof __P((FILE *)); 2041539Srgrimesint ferror __P((FILE *)); 2051539Srgrimesint fflush __P((FILE *)); 2061539Srgrimesint fgetc __P((FILE *)); 2071539Srgrimesint fgetpos __P((FILE *, fpos_t *)); 20814791Spaulchar *fgets __P((char *, int, FILE *)); 2091539SrgrimesFILE *fopen __P((const char *, const char *)); 2101539Srgrimesint fprintf __P((FILE *, const char *, ...)); 2111539Srgrimesint fputc __P((int, FILE *)); 2121539Srgrimesint fputs __P((const char *, FILE *)); 2131539Srgrimessize_t fread __P((void *, size_t, size_t, FILE *)); 2141539SrgrimesFILE *freopen __P((const char *, const char *, FILE *)); 2151539Srgrimesint fscanf __P((FILE *, const char *, ...)); 2161539Srgrimesint fseek __P((FILE *, long, int)); 2171539Srgrimesint fsetpos __P((FILE *, const fpos_t *)); 21814791Spaullong ftell __P((FILE *)); 2191539Srgrimessize_t fwrite __P((const void *, size_t, size_t, FILE *)); 2201539Srgrimesint getc __P((FILE *)); 2211539Srgrimesint getchar __P((void)); 2221539Srgrimeschar *gets __P((char *)); 2231539Srgrimes#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) 2246895Sphkextern __const int sys_nerr; /* perror(3) external variables */ 2251539Srgrimesextern __const char *__const sys_errlist[]; 2261539Srgrimes#endif 2271539Srgrimesvoid perror __P((const char *)); 2281539Srgrimesint printf __P((const char *, ...)); 2291539Srgrimesint putc __P((int, FILE *)); 2301539Srgrimesint putchar __P((int)); 2311539Srgrimesint puts __P((const char *)); 2321539Srgrimesint remove __P((const char *)); 2331539Srgrimesint rename __P((const char *, const char *)); 2341539Srgrimesvoid rewind __P((FILE *)); 2351539Srgrimesint scanf __P((const char *, ...)); 2361539Srgrimesvoid setbuf __P((FILE *, char *)); 2371539Srgrimesint setvbuf __P((FILE *, char *, int, size_t)); 2381539Srgrimesint sprintf __P((char *, const char *, ...)); 2391539Srgrimesint sscanf __P((const char *, const char *, ...)); 2401539SrgrimesFILE *tmpfile __P((void)); 2411539Srgrimeschar *tmpnam __P((char *)); 2421539Srgrimesint ungetc __P((int, FILE *)); 2431539Srgrimesint vfprintf __P((FILE *, const char *, _BSD_VA_LIST_)); 2441539Srgrimesint vprintf __P((const char *, _BSD_VA_LIST_)); 2451539Srgrimesint vsprintf __P((char *, const char *, _BSD_VA_LIST_)); 2461539Srgrimes__END_DECLS 2471539Srgrimes 2481539Srgrimes/* 2491539Srgrimes * Functions defined in POSIX 1003.1. 2501539Srgrimes */ 2511539Srgrimes#ifndef _ANSI_SOURCE 25219211Swosch/* size for cuserid(3); UT_NAMESIZE + 1, see <utmp.h> */ 25323260Sache#define L_cuserid 17 2541539Srgrimes 25519211Swosch#define L_ctermid 1024 /* size for ctermid(3); PATH_MAX */ 25619211Swosch 2571539Srgrimes__BEGIN_DECLS 2581539Srgrimeschar *ctermid __P((char *)); 2591539SrgrimesFILE *fdopen __P((int, const char *)); 2601539Srgrimesint fileno __P((FILE *)); 26135163Sjbint ftrylockfile __P((FILE *)); 26235163Sjbvoid flockfile __P((FILE *)); 26335163Sjbvoid funlockfile __P((FILE *)); 2641539Srgrimes__END_DECLS 2651539Srgrimes#endif /* not ANSI */ 2661539Srgrimes 2671539Srgrimes/* 26824897Sbde * Portability hacks. See <sys/types.h>. 26924897Sbde */ 27024897Sbde#if !defined (_ANSI_SOURCE) && !defined(_POSIX_SOURCE) 27124897Sbde__BEGIN_DECLS 27224897Sbde#ifndef _FTRUNCATE_DECLARED 27324897Sbde#define _FTRUNCATE_DECLARED 27424897Sbdeint ftruncate __P((int, _BSD_OFF_T_)); 27524897Sbde#endif 27624897Sbde#ifndef _LSEEK_DECLARED 27724897Sbde#define _LSEEK_DECLARED 27824897Sbde_BSD_OFF_T_ lseek __P((int, _BSD_OFF_T_, int)); 27924897Sbde#endif 28024897Sbde#ifndef _MMAP_DECLARED 28124897Sbde#define _MMAP_DECLARED 28232166Salexchar *mmap __P((void *, size_t, int, int, int, _BSD_OFF_T_)); 28324897Sbde#endif 28424897Sbde#ifndef _TRUNCATE_DECLARED 28524897Sbde#define _TRUNCATE_DECLARED 28624897Sbdeint truncate __P((const char *, _BSD_OFF_T_)); 28724897Sbde#endif 28824897Sbde__END_DECLS 28924897Sbde#endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */ 29024897Sbde 29124897Sbde/* 2921539Srgrimes * Routines that are purely local. 2931539Srgrimes */ 2941539Srgrimes#if !defined (_ANSI_SOURCE) && !defined(_POSIX_SOURCE) 2951539Srgrimes__BEGIN_DECLS 29637614Sbdeint asprintf __P((char **, const char *, ...)) __printflike(2, 3); 2971539Srgrimeschar *fgetln __P((FILE *, size_t *)); 2981539Srgrimesint fpurge __P((FILE *)); 2991539Srgrimesint getw __P((FILE *)); 3001539Srgrimesint pclose __P((FILE *)); 3011539SrgrimesFILE *popen __P((const char *, const char *)); 3021539Srgrimesint putw __P((int, FILE *)); 3031539Srgrimesvoid setbuffer __P((FILE *, char *, int)); 3041539Srgrimesint setlinebuf __P((FILE *)); 3051539Srgrimeschar *tempnam __P((const char *, const char *)); 30637614Sbdeint snprintf __P((char *, size_t, const char *, ...)) __printflike(3, 4); 30737614Sbdeint vasprintf __P((char **, const char *, _BSD_VA_LIST_)) 30837614Sbde __printflike(2, 0); 30937614Sbdeint vsnprintf __P((char *, size_t, const char *, _BSD_VA_LIST_)) 31037614Sbde __printflike(3, 0); 31137614Sbdeint vscanf __P((const char *, _BSD_VA_LIST_)) __scanflike(1, 0); 31237614Sbdeint vsscanf __P((const char *, const char *, _BSD_VA_LIST_)) 31337614Sbde __scanflike(2, 0); 3141539Srgrimes__END_DECLS 3151539Srgrimes 3161539Srgrimes/* 3171539Srgrimes * This is a #define because the function is used internally and 3181539Srgrimes * (unlike vfscanf) the name __svfscanf is guaranteed not to collide 3191539Srgrimes * with a user function when _ANSI_SOURCE or _POSIX_SOURCE is defined. 3201539Srgrimes */ 3211539Srgrimes#define vfscanf __svfscanf 3221539Srgrimes 3231539Srgrimes/* 3241539Srgrimes * Stdio function-access interface. 3251539Srgrimes */ 3261539Srgrimes__BEGIN_DECLS 3271539SrgrimesFILE *funopen __P((const void *, 3281539Srgrimes int (*)(void *, char *, int), 3291539Srgrimes int (*)(void *, const char *, int), 3301539Srgrimes fpos_t (*)(void *, fpos_t, int), 3311539Srgrimes int (*)(void *))); 3321539Srgrimes__END_DECLS 3331539Srgrimes#define fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0) 3341539Srgrimes#define fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0) 3351539Srgrimes#endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */ 3361539Srgrimes 3371539Srgrimes/* 3381539Srgrimes * Functions internal to the implementation. 3391539Srgrimes */ 3401539Srgrimes__BEGIN_DECLS 3411539Srgrimesint __srget __P((FILE *)); 3421539Srgrimesint __svfscanf __P((FILE *, const char *, _BSD_VA_LIST_)); 3431539Srgrimesint __swbuf __P((int, FILE *)); 3441539Srgrimes__END_DECLS 3451539Srgrimes 3461539Srgrimes/* 3478858Srgrimes * The __sfoo macros are here so that we can 3481539Srgrimes * define function versions in the C library. 3491539Srgrimes */ 3501539Srgrimes#define __sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++)) 3511539Srgrimes#if defined(__GNUC__) && defined(__STDC__) 3521539Srgrimesstatic __inline int __sputc(int _c, FILE *_p) { 3531539Srgrimes if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n')) 3541539Srgrimes return (*_p->_p++ = _c); 3551539Srgrimes else 3561539Srgrimes return (__swbuf(_c, _p)); 3571539Srgrimes} 3581539Srgrimes#else 3591539Srgrimes/* 3601539Srgrimes * This has been tuned to generate reasonable code on the vax using pcc. 3611539Srgrimes */ 3621539Srgrimes#define __sputc(c, p) \ 3631539Srgrimes (--(p)->_w < 0 ? \ 3641539Srgrimes (p)->_w >= (p)->_lbfsize ? \ 3651539Srgrimes (*(p)->_p = (c)), *(p)->_p != '\n' ? \ 3661539Srgrimes (int)*(p)->_p++ : \ 3671539Srgrimes __swbuf('\n', p) : \ 3681539Srgrimes __swbuf((int)(c), p) : \ 3691539Srgrimes (*(p)->_p = (c), (int)*(p)->_p++)) 3701539Srgrimes#endif 3711539Srgrimes 3721539Srgrimes#define __sfeof(p) (((p)->_flags & __SEOF) != 0) 3731539Srgrimes#define __sferror(p) (((p)->_flags & __SERR) != 0) 3741539Srgrimes#define __sclearerr(p) ((void)((p)->_flags &= ~(__SERR|__SEOF))) 3751539Srgrimes#define __sfileno(p) ((p)->_file) 3761539Srgrimes 37735127Sjb/* 37835127Sjb * See ISO/IEC 9945-1 ANSI/IEEE Std 1003.1 Second Edition 1996-07-12 37935127Sjb * B.8.2.7 for the rationale behind the *_unlocked() macros. 38035127Sjb */ 38135127Sjb#define feof_unlocked(p) __sfeof(p) 38235127Sjb#define ferror_unlocked(p) __sferror(p) 38335127Sjb#define clearerr_unlocked(p) __sclearerr(p) 3841539Srgrimes 3851539Srgrimes#ifndef _ANSI_SOURCE 38635127Sjb#define fileno_unlocked(p) __sfileno(p) 3871539Srgrimes#endif 3881539Srgrimes 38935127Sjb#ifndef _THREAD_SAFE 39035127Sjb#define feof(p) feof_unlocked(p) 39135127Sjb#define ferror(p) ferror_unlocked(p) 39235127Sjb#define clearerr(p) clearerr_unlocked(p) 39335127Sjb 39435127Sjb#ifndef _ANSI_SOURCE 39535127Sjb#define fileno(p) fileno_unlocked(p) 39635127Sjb#endif 39735127Sjb#endif 39835127Sjb 3991539Srgrimes#ifndef lint 40035127Sjb#define getc_unlocked(fp) __sgetc(fp) 40135127Sjb#define putc_unlocked(x, fp) __sputc(x, fp) 40235127Sjb#ifdef _THREAD_SAFE 40335127Sjbvoid _flockfile_debug __P((FILE *, char *, int)); 40435127Sjb#ifdef _FLOCK_DEBUG 40535127Sjb#define _FLOCKFILE(x) _flockfile_debug(x, __FILE__, __LINE__) 40635127Sjb#else 40735758Sjb#define _FLOCKFILE(x) flockfile(x) 40835127Sjb#endif 40935163Sjbstatic __inline int \ 41035163Sjb__getc_locked(FILE *_fp) \ 41135163Sjb{ \ 41235163Sjb extern int __isthreaded; \ 41335163Sjb int _ret; \ 41435163Sjb if (__isthreaded) \ 41535163Sjb _FLOCKFILE(_fp); \ 41635163Sjb _ret = getc_unlocked(_fp); \ 41735163Sjb if (__isthreaded) \ 41835758Sjb funlockfile(_fp); \ 41935163Sjb return (_ret); \ 42035127Sjb} 42135163Sjbstatic __inline int \ 42235163Sjb__putc_locked(int _x, FILE *_fp) \ 42335163Sjb{ \ 42435163Sjb extern int __isthreaded; \ 42535163Sjb int _ret; \ 42635163Sjb if (__isthreaded) \ 42735163Sjb _FLOCKFILE(_fp); \ 42835163Sjb _ret = putc_unlocked(_x, _fp); \ 42935163Sjb if (__isthreaded) \ 43035758Sjb funlockfile(_fp); \ 43135163Sjb return (_ret); \ 43235127Sjb} 43335127Sjb#define getc(fp) __getc_locked(fp) 43435127Sjb#define putc(x, fp) __putc_locked(x, fp) 43535127Sjb#else 43635127Sjb#define getc(fp) getc_unlocked(fp) 43735127Sjb#define putc(x, fp) putc_unlocked(x, fp) 43835127Sjb#endif 4391539Srgrimes#endif /* lint */ 4401539Srgrimes 44135127Sjb#define getchar() getc(stdin) 44235127Sjb#define getchar_unlocked() getc_unlocked(stdin) 44335127Sjb#define putchar(x) putc(x, stdout) 44435127Sjb#define putchar_unlocked(x) putc_unlocked(x, stdout) 44524897Sbde 44624897Sbde#endif /* !_STDIO_H_ */ 447