1/* $NetBSD: stdio.h,v 1.1.1.1 2009/12/13 16:54:31 kardel Exp $ */ 2 3/* 4 * Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") 5 * Copyright (C) 2000, 2001 Internet Software Consortium. 6 * 7 * Permission to use, copy, modify, and/or distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 12 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 13 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 14 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 15 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 16 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 17 * PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20/* Id: stdio.h,v 1.13 2007/06/19 23:47:18 tbox Exp */ 21 22#ifndef ISC_STDIO_H 23#define ISC_STDIO_H 1 24 25/*! \file isc/stdio.h */ 26 27/*% 28 * These functions are wrappers around the corresponding stdio functions. 29 * 30 * They return a detailed error code in the form of an an isc_result_t. ANSI C 31 * does not guarantee that stdio functions set errno, hence these functions 32 * must use platform dependent methods (e.g., the POSIX errno) to construct the 33 * error code. 34 */ 35 36#include <stdio.h> 37 38#include <isc/lang.h> 39#include <isc/result.h> 40 41ISC_LANG_BEGINDECLS 42 43/*% Open */ 44isc_result_t 45isc_stdio_open(const char *filename, const char *mode, FILE **fp); 46 47/*% Close */ 48isc_result_t 49isc_stdio_close(FILE *f); 50 51/*% Seek */ 52isc_result_t 53isc_stdio_seek(FILE *f, long offset, int whence); 54 55/*% Read */ 56isc_result_t 57isc_stdio_read(void *ptr, size_t size, size_t nmemb, FILE *f, 58 size_t *nret); 59 60/*% Write */ 61isc_result_t 62isc_stdio_write(const void *ptr, size_t size, size_t nmemb, FILE *f, 63 size_t *nret); 64 65/*% Flush */ 66isc_result_t 67isc_stdio_flush(FILE *f); 68 69isc_result_t 70isc_stdio_sync(FILE *f); 71/*%< 72 * Invoke fsync() on the file descriptor underlying an stdio stream, or an 73 * equivalent system-dependent operation. Note that this function has no 74 * direct counterpart in the stdio library. 75 */ 76 77ISC_LANG_ENDDECLS 78 79#endif /* ISC_STDIO_H */ 80