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_close(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
archive_write_open_FILE(struct archive * a,FILE * f)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_open(a, mine,
70 file_open, file_write, file_close));
71 }
72
73 static int
file_open(struct archive * a,void * client_data)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
file_write(struct archive * a,void * client_data,const void * buff,size_t length)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 bytesWritten = fwrite(buff, 1, length, mine->f);
90 if (bytesWritten < length) {
91 archive_set_error(a, errno, "Write error");
92 return (-1);
93 }
94 return (bytesWritten);
95 }
96
97 static int
file_close(struct archive * a,void * client_data)98 file_close(struct archive *a, void *client_data)
99 {
100 struct write_FILE_data *mine = client_data;
101
102 (void)a; /* UNUSED */
103 free(mine);
104 return (ARCHIVE_OK);
105 }
106