1/*- 2 * Copyright (c) 2003-2007 Tim Kientzle 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "archive_platform.h" 27__FBSDID("$FreeBSD: stable/11/contrib/libarchive/libarchive/archive_write_open_file.c 368707 2020-12-16 22:25:20Z mm $"); 28 29#ifdef HAVE_SYS_STAT_H 30#include <sys/stat.h> 31#endif 32#ifdef HAVE_ERRNO_H 33#include <errno.h> 34#endif 35#ifdef HAVE_FCNTL_H 36#include <fcntl.h> 37#endif 38#ifdef HAVE_STDLIB_H 39#include <stdlib.h> 40#endif 41#ifdef HAVE_STRING_H 42#include <string.h> 43#endif 44#ifdef HAVE_UNISTD_H 45#include <unistd.h> 46#endif 47 48#include "archive.h" 49 50struct write_FILE_data { 51 FILE *f; 52}; 53 54static int file_free(struct archive *, void *); 55static int file_open(struct archive *, void *); 56static ssize_t file_write(struct archive *, void *, const void *buff, size_t); 57 58int 59archive_write_open_FILE(struct archive *a, FILE *f) 60{ 61 struct write_FILE_data *mine; 62 63 mine = (struct write_FILE_data *)malloc(sizeof(*mine)); 64 if (mine == NULL) { 65 archive_set_error(a, ENOMEM, "No memory"); 66 return (ARCHIVE_FATAL); 67 } 68 mine->f = f; 69 return (archive_write_open2(a, mine, file_open, file_write, 70 NULL, file_free)); 71} 72 73static int 74file_open(struct archive *a, void *client_data) 75{ 76 (void)a; /* UNUSED */ 77 (void)client_data; /* UNUSED */ 78 79 return (ARCHIVE_OK); 80} 81 82static ssize_t 83file_write(struct archive *a, void *client_data, const void *buff, size_t length) 84{ 85 struct write_FILE_data *mine; 86 size_t bytesWritten; 87 88 mine = client_data; 89 for (;;) { 90 bytesWritten = fwrite(buff, 1, length, mine->f); 91 if (bytesWritten <= 0) { 92 if (errno == EINTR) 93 continue; 94 archive_set_error(a, errno, "Write error"); 95 return (-1); 96 } 97 return (bytesWritten); 98 } 99} 100 101static int 102file_free(struct archive *a, void *client_data) 103{ 104 struct write_FILE_data *mine = client_data; 105 106 (void)a; /* UNUSED */ 107 if (mine == NULL) 108 return (ARCHIVE_OK); 109 free(mine); 110 return (ARCHIVE_OK); 111} 112