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 28 #ifdef HAVE_SYS_STAT_H 29 #include <sys/stat.h> 30 #endif 31 #ifdef HAVE_ERRNO_H 32 #include <errno.h> 33 #endif 34 #ifdef HAVE_FCNTL_H 35 #include <fcntl.h> 36 #endif 37 #ifdef HAVE_STDLIB_H 38 #include <stdlib.h> 39 #endif 40 #ifdef HAVE_STRING_H 41 #include <string.h> 42 #endif 43 #ifdef HAVE_UNISTD_H 44 #include <unistd.h> 45 #endif 46 47 #include "archive.h" 48 49 struct write_FILE_data { 50 FILE *f; 51 }; 52 53 static int file_free(struct archive *, void *); 54 static int file_open(struct archive *, void *); 55 static ssize_t file_write(struct archive *, void *, const void *buff, size_t); 56 57 int 58 archive_write_open_FILE(struct archive *a, FILE *f) 59 { 60 struct write_FILE_data *mine; 61 62 mine = (struct write_FILE_data *)malloc(sizeof(*mine)); 63 if (mine == NULL) { 64 archive_set_error(a, ENOMEM, "No memory"); 65 return (ARCHIVE_FATAL); 66 } 67 mine->f = f; 68 return (archive_write_open2(a, mine, file_open, file_write, 69 NULL, file_free)); 70 } 71 72 static int 73 file_open(struct archive *a, void *client_data) 74 { 75 (void)a; /* UNUSED */ 76 (void)client_data; /* UNUSED */ 77 78 return (ARCHIVE_OK); 79 } 80 81 static ssize_t 82 file_write(struct archive *a, void *client_data, const void *buff, size_t length) 83 { 84 struct write_FILE_data *mine; 85 size_t bytesWritten; 86 87 mine = client_data; 88 for (;;) { 89 bytesWritten = fwrite(buff, 1, length, mine->f); 90 if (bytesWritten <= 0) { 91 if (errno == EINTR) 92 continue; 93 archive_set_error(a, errno, "Write error"); 94 return (-1); 95 } 96 return (bytesWritten); 97 } 98 } 99 100 static int 101 file_free(struct archive *a, void *client_data) 102 { 103 struct write_FILE_data *mine = client_data; 104 105 (void)a; /* UNUSED */ 106 if (mine == NULL) 107 return (ARCHIVE_OK); 108 free(mine); 109 return (ARCHIVE_OK); 110 } 111