1258945Sroberto/* 2258945Sroberto * Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC") 3258945Sroberto * Copyright (C) 2000, 2001 Internet Software Consortium. 4258945Sroberto * 5258945Sroberto * Permission to use, copy, modify, and/or distribute this software for any 6258945Sroberto * purpose with or without fee is hereby granted, provided that the above 7258945Sroberto * copyright notice and this permission notice appear in all copies. 8258945Sroberto * 9258945Sroberto * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 10258945Sroberto * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 11258945Sroberto * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 12258945Sroberto * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 13258945Sroberto * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 14258945Sroberto * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 15258945Sroberto * PERFORMANCE OF THIS SOFTWARE. 16258945Sroberto */ 17258945Sroberto 18258945Sroberto/* $Id: stdio.c,v 1.6 2007/06/19 23:47:19 tbox Exp $ */ 19258945Sroberto 20258945Sroberto#include <config.h> 21258945Sroberto 22258945Sroberto#include <io.h> 23258945Sroberto#include <errno.h> 24258945Sroberto 25258945Sroberto#include <isc/stdio.h> 26258945Sroberto 27258945Sroberto#include "errno2result.h" 28258945Sroberto 29258945Srobertoisc_result_t 30258945Srobertoisc_stdio_open(const char *filename, const char *mode, FILE **fp) { 31258945Sroberto FILE *f; 32258945Sroberto 33258945Sroberto f = fopen(filename, mode); 34258945Sroberto if (f == NULL) 35258945Sroberto return (isc__errno2result(errno)); 36258945Sroberto *fp = f; 37258945Sroberto return (ISC_R_SUCCESS); 38258945Sroberto} 39258945Sroberto 40258945Srobertoisc_result_t 41258945Srobertoisc_stdio_close(FILE *f) { 42258945Sroberto int r; 43258945Sroberto 44258945Sroberto r = fclose(f); 45258945Sroberto if (r == 0) 46258945Sroberto return (ISC_R_SUCCESS); 47258945Sroberto else 48258945Sroberto return (isc__errno2result(errno)); 49258945Sroberto} 50258945Sroberto 51258945Srobertoisc_result_t 52258945Srobertoisc_stdio_seek(FILE *f, long offset, int whence) { 53258945Sroberto int r; 54258945Sroberto 55258945Sroberto r = fseek(f, offset, whence); 56258945Sroberto if (r == 0) 57258945Sroberto return (ISC_R_SUCCESS); 58258945Sroberto else 59258945Sroberto return (isc__errno2result(errno)); 60258945Sroberto} 61258945Sroberto 62258945Srobertoisc_result_t 63258945Srobertoisc_stdio_read(void *ptr, size_t size, size_t nmemb, FILE *f, size_t *nret) { 64258945Sroberto isc_result_t result = ISC_R_SUCCESS; 65258945Sroberto size_t r; 66258945Sroberto 67258945Sroberto clearerr(f); 68258945Sroberto r = fread(ptr, size, nmemb, f); 69258945Sroberto if (r != nmemb) { 70258945Sroberto if (feof(f)) 71258945Sroberto result = ISC_R_EOF; 72258945Sroberto else 73258945Sroberto result = isc__errno2result(errno); 74258945Sroberto } 75258945Sroberto if (nret != NULL) 76258945Sroberto *nret = r; 77258945Sroberto return (result); 78258945Sroberto} 79258945Sroberto 80258945Srobertoisc_result_t 81258945Srobertoisc_stdio_write(const void *ptr, size_t size, size_t nmemb, FILE *f, 82258945Sroberto size_t *nret) 83258945Sroberto{ 84258945Sroberto isc_result_t result = ISC_R_SUCCESS; 85258945Sroberto size_t r; 86258945Sroberto 87258945Sroberto clearerr(f); 88258945Sroberto r = fwrite(ptr, size, nmemb, f); 89258945Sroberto if (r != nmemb) 90258945Sroberto result = isc__errno2result(errno); 91258945Sroberto if (nret != NULL) 92258945Sroberto *nret = r; 93258945Sroberto return (result); 94258945Sroberto} 95258945Sroberto 96258945Srobertoisc_result_t 97258945Srobertoisc_stdio_flush(FILE *f) { 98258945Sroberto int r; 99258945Sroberto 100258945Sroberto r = fflush(f); 101258945Sroberto if (r == 0) 102258945Sroberto return (ISC_R_SUCCESS); 103258945Sroberto else 104258945Sroberto return (isc__errno2result(errno)); 105258945Sroberto} 106258945Sroberto 107258945Srobertoisc_result_t 108258945Srobertoisc_stdio_sync(FILE *f) { 109258945Sroberto int r; 110258945Sroberto 111258945Sroberto r = _commit(_fileno(f)); 112258945Sroberto if (r == 0) 113258945Sroberto return (ISC_R_SUCCESS); 114258945Sroberto else 115258945Sroberto return (isc__errno2result(errno)); 116258945Sroberto} 117258945Sroberto 118