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__) 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