11dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* $OpenBSD: local.h,v 1.12 2005/10/10 17:37:44 espie Exp $ */ 21dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 31dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/*- 41dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Copyright (c) 1990, 1993 51dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * The Regents of the University of California. All rights reserved. 61dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 71dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * This code is derived from software contributed to Berkeley by 81dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Chris Torek. 91dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 101dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Redistribution and use in source and binary forms, with or without 111dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * modification, are permitted provided that the following conditions 121dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * are met: 131dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 141dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * notice, this list of conditions and the following disclaimer. 151dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 161dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 171dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * documentation and/or other materials provided with the distribution. 181dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 3. Neither the name of the University nor the names of its contributors 191dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * may be used to endorse or promote products derived from this software 201dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * without specific prior written permission. 211dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 221dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 231dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 241dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 251dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 261dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 271dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 281dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 291dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 301dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 311dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 321dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * SUCH DAMAGE. 331dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 341dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 351dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include "wcio.h" 361dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include "fileext.h" 371dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 381dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#ifndef DEFFILEMODE 391dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) 401dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif 411dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 421dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 431dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 441dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Information local to this implementation of stdio, 451dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * in particular, macros and private variables. 461dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 471dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 481dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint __sflush(FILE *); 49f582340a6a48588aa50da17e1620e8f91b146941Kenny Rootint __sflush_locked(FILE *); 501dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source ProjectFILE *__sfp(void); 511dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint __srefill(FILE *); 521dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint __sread(void *, char *, int); 531dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint __swrite(void *, const char *, int); 541dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectfpos_t __sseek(void *, fpos_t, int); 551dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint __sclose(void *); 561dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectvoid __sinit(void); 571dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectvoid _cleanup(void); 581dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectvoid __smakebuf(FILE *); 591dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint __swhatbuf(FILE *, size_t *, int *); 601dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint _fwalk(int (*)(FILE *)); 611dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint __swsetup(FILE *); 621dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectint __sflags(const char *, int *); 63f582340a6a48588aa50da17e1620e8f91b146941Kenny Rootint __vfprintf(FILE *, const char *, __va_list); 641dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 651dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern void __atexit_register_cleanup(void (*)(void)); 661dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern int __sdidinit; 671dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 681dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 691dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Return true if the given FILE cannot be written now. 701dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 711dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define cantwrite(fp) \ 721dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project ((((fp)->_flags & __SWR) == 0 || (fp)->_bf._base == NULL) && \ 731dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __swsetup(fp)) 741dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 751dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 761dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Test whether the given stdio file has an active ungetc buffer; 771dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * release such a buffer, without restoring ordinary unread data. 781dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 791dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define HASUB(fp) (_UB(fp)._base != NULL) 801dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define FREEUB(fp) { \ 811dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project if (_UB(fp)._base != (fp)->_ubuf) \ 821dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project free(_UB(fp)._base); \ 831dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project _UB(fp)._base = NULL; \ 841dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 851dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 861dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 871dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * test for an fgetln() buffer. 881dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 891dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define HASLB(fp) ((fp)->_lb._base != NULL) 901dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define FREELB(fp) { \ 911dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project free((char *)(fp)->_lb._base); \ 921dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project (fp)->_lb._base = NULL; \ 931dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 94f582340a6a48588aa50da17e1620e8f91b146941Kenny Root 95f582340a6a48588aa50da17e1620e8f91b146941Kenny Root#define FLOCKFILE(fp) do { if (__isthreaded) flockfile(fp); } while (0) 96f582340a6a48588aa50da17e1620e8f91b146941Kenny Root#define FUNLOCKFILE(fp) do { if (__isthreaded) funlockfile(fp); } while (0) 97