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
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
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 	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
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