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
49struct write_FILE_data {
50	FILE		*f;
51};
52
53static int	file_free(struct archive *, void *);
54static int	file_open(struct archive *, void *);
55static ssize_t	file_write(struct archive *, void *, const void *buff, size_t);
56
57int
58archive_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
72static int
73file_open(struct archive *a, void *client_data)
74{
75	(void)a; /* UNUSED */
76	(void)client_data; /* UNUSED */
77
78	return (ARCHIVE_OK);
79}
80
81static ssize_t
82file_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
100static int
101file_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