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: src/lib/libarchive/archive_write_open_file.c,v 1.19 2007/01/09 08:05:56 kientzle Exp $"); 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 50 struct write_FILE_data { 51 FILE *f; 52 }; 53 54 static int file_free(struct archive *, void *); 55 static int file_open(struct archive *, void *); 56 static ssize_t file_write(struct archive *, void *, const void *buff, size_t); 57 58 int 59 archive_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 73 static int 74 file_open(struct archive *a, void *client_data) 75 { 76 (void)a; /* UNUSED */ 77 (void)client_data; /* UNUSED */ 78 79 return (ARCHIVE_OK); 80 } 81 82 static ssize_t 83 file_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 } 100 101 static int 102 file_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