11dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* $OpenBSD: stdio.h,v 1.35 2006/01/13 18:10:09 miod Exp $ */ 21dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* $NetBSD: stdio.h,v 1.18 1996/04/25 18:29:21 jtc Exp $ */ 31dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 41dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/*- 51dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Copyright (c) 1990 The Regents of the University of California. 61dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * All rights reserved. 71dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 81dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * This code is derived from software contributed to Berkeley by 91dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Chris Torek. 101dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 111dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Redistribution and use in source and binary forms, with or without 121dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * modification, are permitted provided that the following conditions 131dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * are met: 141dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 151dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * notice, this list of conditions and the following disclaimer. 161dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 171dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 181dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * documentation and/or other materials provided with the distribution. 191dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 3. Neither the name of the University nor the names of its contributors 201dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * may be used to endorse or promote products derived from this software 211dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * without specific prior written permission. 221dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 231dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 241dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 251dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 261dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 271dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 281dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 291dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 301dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 311dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 321dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 331dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * SUCH DAMAGE. 341dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 351dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * @(#)stdio.h 5.17 (Berkeley) 6/3/91 361dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 371dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 381dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#ifndef _STDIO_H_ 391dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define _STDIO_H_ 401dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 411dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include <sys/cdefs.h> 421dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include <sys/_types.h> 431dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 441dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* va_list and size_t must be defined by stdio.h according to Posix */ 451dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __need___va_list 461dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include <stdarg.h> 471dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 481dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* note that this forces stddef.h to *only* define size_t */ 491dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __need_size_t 501dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include <stddef.h> 511dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 521dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include <stddef.h> 531dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 541dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#if __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE 551dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include <sys/types.h> /* XXX should be removed */ 561dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif 571dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 581dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#ifndef _SIZE_T_DEFINED_ 591dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define _SIZE_T_DEFINED_ 601dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projecttypedef unsigned long size_t; 611dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif 621dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 631dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#ifndef _OFF_T_DEFINED_ 641dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define _OFF_T_DEFINED_ 651dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projecttypedef long off_t; 661dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif 671dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 681dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#ifndef NULL 691dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#ifdef __GNUG__ 701dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define NULL __null 711dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#else 721dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define NULL 0L 731dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif 741dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif 751dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 761dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define _FSTDIO /* Define for new stdio with functions. */ 771dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 781dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projecttypedef off_t fpos_t; /* stdio file position type */ 791dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 801dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 811dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * NB: to fit things in six character monocase externals, the stdio 821dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * code uses the prefix `__s' for stdio objects, typically followed 831dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * by a three-character attempt at a mnemonic. 841dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 851dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 861dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* stdio buffers */ 871dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstruct __sbuf { 881dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project unsigned char *_base; 891dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project int _size; 901dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project}; 911dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 921dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 931dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * stdio state variables. 941dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 951dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * The following always hold: 961dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 971dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR), 981dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * _lbfsize is -_bf._size, else _lbfsize is 0 991dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * if _flags&__SRD, _w is 0 1001dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * if _flags&__SWR, _r is 0 1011dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 1021dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * This ensures that the getc and putc macros (or inline functions) never 1031dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * try to write or read from a file that is in `read' or `write' mode. 1041dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * (Moreover, they can, and do, automatically switch from read mode to 1051dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * write mode, and back, on "r+" and "w+" files.) 1061dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 1071dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * _lbfsize is used only to make the inline line-buffered output stream 1081dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * code as compact as possible. 1091dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 1101dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * _ub, _up, and _ur are used when ungetc() pushes back more characters 1111dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * than fit in the current _bf, or when ungetc() pushes back a character 1121dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * that does not match the previous one in _bf. When this happens, 1131dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * _ub._base becomes non-nil (i.e., a stream has ungetc() data iff 1141dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * _ub._base!=NULL) and _up and _ur save the current values of _p and _r. 115c1202510b67f200b668d85ac0190db2b179b0c4dAndy McFadden * 116c1202510b67f200b668d85ac0190db2b179b0c4dAndy McFadden * NOTE: if you change this structure, you also need to update the 117c1202510b67f200b668d85ac0190db2b179b0c4dAndy McFadden * std() initializer in findfp.c. 1181dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 1191dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projecttypedef struct __sFILE { 1201dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project unsigned char *_p; /* current position in (some) buffer */ 1211dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project int _r; /* read space left for getc() */ 1221dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project int _w; /* write space left for putc() */ 1231dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project short _flags; /* flags, below; this FILE is free if 0 */ 1241dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project short _file; /* fileno, if Unix descriptor, else -1 */ 1251dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project struct __sbuf _bf; /* the buffer (at least 1 byte, if !NULL) */ 1261dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project int _lbfsize; /* 0 or -_bf._size, for inline putc */ 1271dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1281dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project /* operations */ 1291dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project void *_cookie; /* cookie passed to io functions */ 1301dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project int (*_close)(void *); 1311dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project int (*_read)(void *, char *, int); 1321dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project fpos_t (*_seek)(void *, fpos_t, int); 1331dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project int (*_write)(void *, const char *, int); 1341dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1351dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project /* extension data, to avoid further ABI breakage */ 1361dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project struct __sbuf _ext; 1371dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project /* data for long sequences of ungetc() */ 1381dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project unsigned char *_up; /* saved _p when _p is doing ungetc data */ 1391dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project int _ur; /* saved _r when _r is counting ungetc data */ 1401dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1411dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project /* tricks to meet minimum requirements even when malloc() fails */ 1421dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project unsigned char _ubuf[3]; /* guarantee an ungetc() buffer */ 1431dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project unsigned char _nbuf[1]; /* guarantee a getc() buffer */ 1441dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1451dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project /* separate buffer for fgetln() when line crosses buffer boundary */ 1461dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project struct __sbuf _lb; /* buffer for fgetln() */ 1471dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1481dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project /* Unix stdio files get aligned to block boundaries on fseek() */ 1491dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project int _blksize; /* stat.st_blksize (may be != _bf._size) */ 1501dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project fpos_t _offset; /* current lseek offset */ 1511dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} FILE; 1521dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1531dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project__BEGIN_DECLS 1541dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern FILE __sF[]; 1551dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project__END_DECLS 1561dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1571dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __SLBF 0x0001 /* line buffered */ 1581dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __SNBF 0x0002 /* unbuffered */ 1591dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __SRD 0x0004 /* OK to read */ 1601dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __SWR 0x0008 /* OK to write */ 1611dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project /* RD and WR are never simultaneously asserted */ 1621dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __SRW 0x0010 /* open for reading & writing */ 1631dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __SEOF 0x0020 /* found EOF */ 1641dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __SERR 0x0040 /* found error */ 1651dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __SMBF 0x0080 /* _buf is from malloc */ 1661dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __SAPP 0x0100 /* fdopen()ed in append mode */ 1671dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __SSTR 0x0200 /* this is an sprintf/snprintf string */ 1681dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __SOPT 0x0400 /* do fseek() optimisation */ 1691dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __SNPT 0x0800 /* do not do fseek() optimisation */ 1701dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __SOFF 0x1000 /* set iff _offset is in fact correct */ 1711dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __SMOD 0x2000 /* true => fgetln modified _p text */ 1721dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __SALC 0x4000 /* allocate string space dynamically */ 173f582340a6a48588aa50da17e1620e8f91b146941Kenny Root#define __SIGN 0x8000 /* ignore this file in _fwalk */ 1741dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1751dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 1761dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * The following three definitions are for ANSI C, which took them 1771dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * from System V, which brilliantly took internal interface macros and 1781dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * made them official arguments to setvbuf(), without renaming them. 1791dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Hence, these ugly _IOxxx names are *supposed* to appear in user code. 1801dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 1811dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Although numbered as their counterparts above, the implementation 1821dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * does not rely on this. 1831dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 1841dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define _IOFBF 0 /* setvbuf should set fully buffered */ 1851dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define _IOLBF 1 /* setvbuf should set line buffered */ 1861dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define _IONBF 2 /* setvbuf should set unbuffered */ 1871dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1881dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define BUFSIZ 1024 /* size of buffer used by setbuf */ 1891dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1901dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define EOF (-1) 1911dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1921dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 1931dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * FOPEN_MAX is a minimum maximum, and should be the number of descriptors 1941dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * that the kernel can provide without allocation of a resource that can 1951dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * fail without the process sleeping. Do not use this for anything. 1961dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 1971dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define FOPEN_MAX 20 /* must be <= OPEN_MAX <sys/syslimits.h> */ 1981dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define FILENAME_MAX 1024 /* must be <= PATH_MAX <sys/syslimits.h> */ 1991dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 2001dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* System V/ANSI C; this is the wrong way to do this, do *not* use these. */ 2011dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#if __BSD_VISIBLE || __XPG_VISIBLE 2021dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define P_tmpdir "/tmp/" 2031dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif 2041dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define L_tmpnam 1024 /* XXX must be == PATH_MAX */ 2051dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define TMP_MAX 308915776 2061dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 2071dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#ifndef SEEK_SET 2081dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define SEEK_SET 0 /* set file offset to offset */ 2091dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif 2101dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#ifndef SEEK_CUR 2111dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define SEEK_CUR 1 /* set file offset to current plus offset */ 2121dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif 2131dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#ifndef SEEK_END 2141dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define SEEK_END 2 /* set file offset to EOF plus offset */ 2151dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif 2161dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 2171dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define stdin (&__sF[0]) 2181dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define stdout (&__sF[1]) 2191dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define stderr (&__sF[2]) 2201dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 2211dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 2221dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Functions defined in ANSI C standard. 2231dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 2241dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project__BEGIN_DECLS 2251dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectvoid clearerr(FILE *); 2261dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint fclose(FILE *); 2271dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint feof(FILE *); 2281dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint ferror(FILE *); 2291dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint fflush(FILE *); 2301dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint fgetc(FILE *); 2311dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint fgetpos(FILE *, fpos_t *); 2321dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectchar *fgets(char *, int, FILE *); 2331dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source ProjectFILE *fopen(const char *, const char *); 2349b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevichint fprintf(FILE *, const char *, ...) 2359b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __attribute__((__format__ (printf, 2, 3))) 2369b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __attribute__((__nonnull__ (2))); 2371dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint fputc(int, FILE *); 2381dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint fputs(const char *, FILE *); 2391dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectsize_t fread(void *, size_t, size_t, FILE *); 2401dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source ProjectFILE *freopen(const char *, const char *, FILE *); 2419b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevichint fscanf(FILE *, const char *, ...) 2429b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __attribute__ ((__format__ (scanf, 2, 3))) 2439b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __attribute__ ((__nonnull__ (2))); 2441dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint fseek(FILE *, long, int); 2451dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint fseeko(FILE *, off_t, int); 2461dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint fsetpos(FILE *, const fpos_t *); 2471dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectlong ftell(FILE *); 2481dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectoff_t ftello(FILE *); 2491dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectsize_t fwrite(const void *, size_t, size_t, FILE *); 2501dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint getc(FILE *); 2511dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint getchar(void); 2521dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectchar *gets(char *); 2531dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#if __BSD_VISIBLE && !defined(__SYS_ERRLIST) 2541dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __SYS_ERRLIST 2551dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 2561dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern int sys_nerr; /* perror(3) external variables */ 2571dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern char *sys_errlist[]; 2581dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif 2591dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectvoid perror(const char *); 2609b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevichint printf(const char *, ...) 2619b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __attribute__((__format__ (printf, 1, 2))) 2629b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __attribute__((__nonnull__ (1))); 2631dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint putc(int, FILE *); 2641dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint putchar(int); 2651dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint puts(const char *); 2661dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint remove(const char *); 2671dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint rename(const char *, const char *); 2681dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectvoid rewind(FILE *); 2699b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevichint scanf(const char *, ...) 2709b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __attribute__ ((__format__ (scanf, 1, 2))) 2719b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __attribute__ ((__nonnull__ (1))); 2721dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectvoid setbuf(FILE *, char *); 2731dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint setvbuf(FILE *, char *, int, size_t); 2749b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevichint sprintf(char *, const char *, ...) 2759b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __attribute__((__format__ (printf, 2, 3))) 2769b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __attribute__((__nonnull__ (2))); 2779b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevichint sscanf(const char *, const char *, ...) 2789b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __attribute__ ((__format__ (scanf, 2, 3))) 2799b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __attribute__ ((__nonnull__ (2))); 2801dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source ProjectFILE *tmpfile(void); 2811dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectchar *tmpnam(char *); 2821dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint ungetc(int, FILE *); 2839b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevichint vfprintf(FILE *, const char *, __va_list) 2849b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __attribute__((__format__ (printf, 2, 0))) 2859b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __attribute__((__nonnull__ (2))); 2869b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevichint vprintf(const char *, __va_list) 2879b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __attribute__((__format__ (printf, 1, 0))) 2889b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __attribute__((__nonnull__ (1))); 2899b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevichint vsprintf(char *, const char *, __va_list) 2909b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __attribute__((__format__ (printf, 2, 0))) 2919b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __attribute__((__nonnull__ (2))); 2921dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 2931dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#if __ISO_C_VISIBLE >= 1999 || __BSD_VISIBLE 2941dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint snprintf(char *, size_t, const char *, ...) 2951dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __attribute__((__format__ (printf, 3, 4))) 2961dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __attribute__((__nonnull__ (3))); 2971dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint vfscanf(FILE *, const char *, __va_list) 2981dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __attribute__((__format__ (scanf, 2, 0))) 2991dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __attribute__((__nonnull__ (2))); 3001dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint vscanf(const char *, __va_list) 3011dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __attribute__((__format__ (scanf, 1, 0))) 3021dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __attribute__((__nonnull__ (1))); 3031dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint vsnprintf(char *, size_t, const char *, __va_list) 3041dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __attribute__((__format__ (printf, 3, 0))) 3051dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __attribute__((__nonnull__ (3))); 3061dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint vsscanf(const char *, const char *, __va_list) 3071dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __attribute__((__format__ (scanf, 2, 0))) 3081dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __attribute__((__nonnull__ (2))); 3091dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif /* __ISO_C_VISIBLE >= 1999 || __BSD_VISIBLE */ 3101dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 3111dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project__END_DECLS 3121dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 3131dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 3141dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 3151dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Functions defined in POSIX 1003.1. 3161dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 3171dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#if __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE 3181dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define L_ctermid 1024 /* size for ctermid(); PATH_MAX */ 3191dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define L_cuserid 9 /* size for cuserid(); UT_NAMESIZE + 1 */ 3201dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 3211dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project__BEGIN_DECLS 322bb5581ad6eec40041dab4e961149f7a8a3a83497David 'Digit' Turner#if 0 /* MISSING FROM BIONIC */ 3231dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectchar *ctermid(char *); 3241dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectchar *cuserid(char *); 325bb5581ad6eec40041dab4e961149f7a8a3a83497David 'Digit' Turner#endif /* MISSING */ 3261dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source ProjectFILE *fdopen(int, const char *); 3271dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint fileno(FILE *); 3281dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 32950ace4fec5e8cb5afcbc656a4556fa528adfd760David 'Digit' Turner#if (__POSIX_VISIBLE >= 199209) 3301dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint pclose(FILE *); 3311dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source ProjectFILE *popen(const char *, const char *); 3321dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif 3331dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 3341dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#if __POSIX_VISIBLE >= 199506 3351dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectvoid flockfile(FILE *); 3361dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint ftrylockfile(FILE *); 3371dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectvoid funlockfile(FILE *); 3381dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 3391dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 3401dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * These are normally used through macros as defined below, but POSIX 3411dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * requires functions as well. 3421dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 3431dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint getc_unlocked(FILE *); 3441dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint getchar_unlocked(void); 3451dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint putc_unlocked(int, FILE *); 3461dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint putchar_unlocked(int); 3471dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif /* __POSIX_VISIBLE >= 199506 */ 3481dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 3491dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#if __XPG_VISIBLE 3501dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectchar *tempnam(const char *, const char *); 3511dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif 3521dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project__END_DECLS 3531dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 3541dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif /* __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE */ 3551dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 3561dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 3571dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Routines that are purely local. 3581dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 3591dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#if __BSD_VISIBLE 3601dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project__BEGIN_DECLS 3611dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint asprintf(char **, const char *, ...) 3621dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __attribute__((__format__ (printf, 2, 3))) 3631dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __attribute__((__nonnull__ (2))); 3641dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectchar *fgetln(FILE *, size_t *); 3651dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint fpurge(FILE *); 3661dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint getw(FILE *); 3671dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint putw(int, FILE *); 3681dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectvoid setbuffer(FILE *, char *, int); 3691dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint setlinebuf(FILE *); 3701dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint vasprintf(char **, const char *, __va_list) 3711dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __attribute__((__format__ (printf, 2, 0))) 3721dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __attribute__((__nonnull__ (2))); 3731dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project__END_DECLS 3741dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 3751dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 3761dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Stdio function-access interface. 3771dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 3781dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project__BEGIN_DECLS 3791dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source ProjectFILE *funopen(const void *, 3801dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project int (*)(void *, char *, int), 3811dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project int (*)(void *, const char *, int), 3821dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project fpos_t (*)(void *, fpos_t, int), 3831dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project int (*)(void *)); 3841dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project__END_DECLS 3851dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0) 3861dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0) 3871dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif /* __BSD_VISIBLE */ 3881dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 3891dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 3901dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Functions internal to the implementation. 3911dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 3921dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project__BEGIN_DECLS 3931dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint __srget(FILE *); 3941dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint __swbuf(int, FILE *); 3951dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project__END_DECLS 3961dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 3971dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 3981dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * The __sfoo macros are here so that we can 3991dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * define function versions in the C library. 4001dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 4011dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++)) 4021dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#if defined(__GNUC__) 4031dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline int __sputc(int _c, FILE *_p) { 4041dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n')) 4051dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return (*_p->_p++ = _c); 4061dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project else 4071dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return (__swbuf(_c, _p)); 4081dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 4091dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#else 4101dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 4111dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * This has been tuned to generate reasonable code on the vax using pcc. 4121dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 4131dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __sputc(c, p) \ 4141dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project (--(p)->_w < 0 ? \ 4151dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project (p)->_w >= (p)->_lbfsize ? \ 4161dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project (*(p)->_p = (c)), *(p)->_p != '\n' ? \ 4171dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project (int)*(p)->_p++ : \ 4181dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __swbuf('\n', p) : \ 4191dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __swbuf((int)(c), p) : \ 4201dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project (*(p)->_p = (c), (int)*(p)->_p++)) 4211dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif 4221dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 4231dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __sfeof(p) (((p)->_flags & __SEOF) != 0) 4241dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __sferror(p) (((p)->_flags & __SERR) != 0) 4251dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __sclearerr(p) ((void)((p)->_flags &= ~(__SERR|__SEOF))) 4261dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __sfileno(p) ((p)->_file) 4271dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 428f582340a6a48588aa50da17e1620e8f91b146941Kenny Rootextern int __isthreaded; 4291dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 430f582340a6a48588aa50da17e1620e8f91b146941Kenny Root#define feof(p) (!__isthreaded ? __sfeof(p) : (feof)(p)) 431f582340a6a48588aa50da17e1620e8f91b146941Kenny Root#define ferror(p) (!__isthreaded ? __sferror(p) : (ferror)(p)) 432f582340a6a48588aa50da17e1620e8f91b146941Kenny Root#define clearerr(p) (!__isthreaded ? __sclearerr(p) : (clearerr)(p)) 4331dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 4341dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#if __POSIX_VISIBLE 435f582340a6a48588aa50da17e1620e8f91b146941Kenny Root#define fileno(p) (!__isthreaded ? __sfileno(p) : (fileno)(p)) 4361dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif 4371dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 438f582340a6a48588aa50da17e1620e8f91b146941Kenny Root#define getc(fp) (!__isthreaded ? __sgetc(fp) : (getc)(fp)) 439f582340a6a48588aa50da17e1620e8f91b146941Kenny Root 440f582340a6a48588aa50da17e1620e8f91b146941Kenny Root#if __BSD_VISIBLE 441f582340a6a48588aa50da17e1620e8f91b146941Kenny Root/* 442f582340a6a48588aa50da17e1620e8f91b146941Kenny Root * The macro implementations of putc and putc_unlocked are not 443f582340a6a48588aa50da17e1620e8f91b146941Kenny Root * fully POSIX compliant; they do not set errno on failure 444f582340a6a48588aa50da17e1620e8f91b146941Kenny Root */ 445f582340a6a48588aa50da17e1620e8f91b146941Kenny Root#define putc(x, fp) (!__isthreaded ? __sputc(x, fp) : (putc)(x, fp)) 446f582340a6a48588aa50da17e1620e8f91b146941Kenny Root#endif /* __BSD_VISIBLE */ 447f582340a6a48588aa50da17e1620e8f91b146941Kenny Root 4481dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#ifndef lint 449f582340a6a48588aa50da17e1620e8f91b146941Kenny Root#if __POSIX_VISIBLE >= 199506 4501dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define getc_unlocked(fp) __sgetc(fp) 4511dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 4521dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * The macro implementations of putc and putc_unlocked are not 4531dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * fully POSIX compliant; they do not set errno on failure 4541dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 4551dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#if __BSD_VISIBLE 4561dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define putc_unlocked(x, fp) __sputc(x, fp) 4571dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif /* __BSD_VISIBLE */ 458f582340a6a48588aa50da17e1620e8f91b146941Kenny Root#endif /* __POSIX_VISIBLE >= 199506 */ 4591dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif /* lint */ 4601dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 4611dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define getchar() getc(stdin) 4621dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define putchar(x) putc(x, stdout) 463f582340a6a48588aa50da17e1620e8f91b146941Kenny Root#define getchar_unlocked() getc_unlocked(stdin) 464f582340a6a48588aa50da17e1620e8f91b146941Kenny Root#define putchar_unlocked(c) putc_unlocked(c, stdout) 4651dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 466fc10b24accd082fb33c8f92ff8b92481c22fe3dcColin Cross#ifdef _GNU_SOURCE 467fc10b24accd082fb33c8f92ff8b92481c22fe3dcColin Cross/* 468fc10b24accd082fb33c8f92ff8b92481c22fe3dcColin Cross * glibc defines dprintf(int, const char*, ...), which is poorly named 469fc10b24accd082fb33c8f92ff8b92481c22fe3dcColin Cross * and likely to conflict with locally defined debugging printfs 470fc10b24accd082fb33c8f92ff8b92481c22fe3dcColin Cross * fdprintf is a better name, and some programs that use fdprintf use a 471fc10b24accd082fb33c8f92ff8b92481c22fe3dcColin Cross * #define fdprintf dprintf for compatibility 472fc10b24accd082fb33c8f92ff8b92481c22fe3dcColin Cross */ 473f39a3fe67d7f1faa21a39ea8e1f57a6596c8cadbGlenn Kasten__BEGIN_DECLS 4749b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevichint fdprintf(int, const char*, ...) 4759b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __attribute__((__format__ (printf, 2, 3))) 4769b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __attribute__((__nonnull__ (2))); 4779b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevichint vfdprintf(int, const char*, __va_list) 4789b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __attribute__((__format__ (printf, 2, 0))) 4799b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __attribute__((__nonnull__ (2))); 480f39a3fe67d7f1faa21a39ea8e1f57a6596c8cadbGlenn Kasten__END_DECLS 481fc10b24accd082fb33c8f92ff8b92481c22fe3dcColin Cross#endif /* _GNU_SOURCE */ 482fc10b24accd082fb33c8f92ff8b92481c22fe3dcColin Cross 483cffdf6693ffb50d2a1258d955a162bca83038f25Nick Kralevich#if defined(__BIONIC_FORTIFY_INLINE) 484cffdf6693ffb50d2a1258d955a162bca83038f25Nick Kralevich 485cffdf6693ffb50d2a1258d955a162bca83038f25Nick Kralevich__BIONIC_FORTIFY_INLINE 486cffdf6693ffb50d2a1258d955a162bca83038f25Nick Kralevich__attribute__((__format__ (printf, 3, 0))) 487cffdf6693ffb50d2a1258d955a162bca83038f25Nick Kralevich__attribute__((__nonnull__ (3))) 4889b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevichint vsnprintf(char *dest, size_t size, const char *format, __va_list ap) 4899b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich{ 4909b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich return __builtin___vsnprintf_chk(dest, size, 0, 4919b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __builtin_object_size(dest, 0), format, ap); 4929b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich} 4939b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich 4949b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich__BIONIC_FORTIFY_INLINE 4959b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich__attribute__((__format__ (printf, 2, 0))) 4969b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich__attribute__((__nonnull__ (2))) 4979b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevichint vsprintf(char *dest, const char *format, __va_list ap) 498cffdf6693ffb50d2a1258d955a162bca83038f25Nick Kralevich{ 4999b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich return __builtin___vsprintf_chk(dest, 0, 5009b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __builtin_object_size(dest, 0), format, ap); 501cffdf6693ffb50d2a1258d955a162bca83038f25Nick Kralevich} 502cffdf6693ffb50d2a1258d955a162bca83038f25Nick Kralevich 503cffdf6693ffb50d2a1258d955a162bca83038f25Nick Kralevich__BIONIC_FORTIFY_INLINE 504cffdf6693ffb50d2a1258d955a162bca83038f25Nick Kralevich__attribute__((__format__ (printf, 3, 4))) 505cffdf6693ffb50d2a1258d955a162bca83038f25Nick Kralevich__attribute__((__nonnull__ (3))) 506cffdf6693ffb50d2a1258d955a162bca83038f25Nick Kralevichint snprintf(char *str, size_t size, const char *format, ...) 507cffdf6693ffb50d2a1258d955a162bca83038f25Nick Kralevich{ 5089b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich return __builtin___snprintf_chk(str, size, 0, 5099b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __builtin_object_size(str, 0), format, __builtin_va_arg_pack()); 5109b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich} 5119b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich 5129b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich__BIONIC_FORTIFY_INLINE 5139b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich__attribute__((__format__ (printf, 2, 3))) 5149b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich__attribute__((__nonnull__ (2))) 5159b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevichint sprintf(char *dest, const char *format, ...) 5169b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich{ 5179b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich return __builtin___sprintf_chk(dest, 0, 5189b549c39c938f54680f282c21e6885f53254bfb0Nick Kralevich __builtin_object_size(dest, 0), format, __builtin_va_arg_pack()); 519cffdf6693ffb50d2a1258d955a162bca83038f25Nick Kralevich} 520cffdf6693ffb50d2a1258d955a162bca83038f25Nick Kralevich 521965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevichextern char *__fgets_real(char *, int, FILE *) 522965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich __asm__(__USER_LABEL_PREFIX__ "fgets"); 523965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevichextern void __fgets_too_big_error() 524965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich __attribute__((__error__("fgets called with size bigger than buffer"))); 525965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevichextern void __fgets_too_small_error() 526965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich __attribute__((__error__("fgets called with size less than zero"))); 527965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevichextern char *__fgets_chk(char *, int, FILE *, size_t); 528965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich 529965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich__BIONIC_FORTIFY_INLINE 530965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevichchar *fgets(char *dest, int size, FILE *stream) 531965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich{ 532965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich size_t bos = __builtin_object_size(dest, 0); 533965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich 534965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich // Compiler can prove, at compile time, that the passed in size 535965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich // is always negative. Force a compiler error. 536965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich if (__builtin_constant_p(size) && (size < 0)) { 537965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich __fgets_too_small_error(); 538965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich } 539965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich 540965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich // Compiler doesn't know destination size. Don't call __fgets_chk 5419b6cc223a36835c4367a036d4cfeff14d25bc742Nick Kralevich if (bos == __BIONIC_FORTIFY_UNKNOWN_SIZE) { 542965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich return __fgets_real(dest, size, stream); 543965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich } 544965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich 545965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich // Compiler can prove, at compile time, that the passed in size 546965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich // is always <= the actual object size. Don't call __fgets_chk 547965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich if (__builtin_constant_p(size) && (size <= bos)) { 548965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich return __fgets_real(dest, size, stream); 549965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich } 550965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich 551965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich // Compiler can prove, at compile time, that the passed in size 552965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich // is always > the actual object size. Force a compiler error. 553965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich if (__builtin_constant_p(size) && (size > bos)) { 554965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich __fgets_too_big_error(); 555965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich } 556965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich 557965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich return __fgets_chk(dest, size, stream, bos); 558965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich} 559965dbc6405aa2c3170270cfc53a8d4416444fddbNick Kralevich 560cffdf6693ffb50d2a1258d955a162bca83038f25Nick Kralevich#endif /* defined(__BIONIC_FORTIFY_INLINE) */ 561cffdf6693ffb50d2a1258d955a162bca83038f25Nick Kralevich 5621dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif /* _STDIO_H_ */ 563