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: stable/11/contrib/libarchive/libarchive/archive_write_open_file.c 368707 2020-12-16 22:25:20Z mm $");
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
50struct write_FILE_data {
51	FILE		*f;
52};
53
54static int	file_free(struct archive *, void *);
55static int	file_open(struct archive *, void *);
56static ssize_t	file_write(struct archive *, void *, const void *buff, size_t);
57
58int
59archive_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
73static int
74file_open(struct archive *a, void *client_data)
75{
76	(void)a; /* UNUSED */
77	(void)client_data; /* UNUSED */
78
79	return (ARCHIVE_OK);
80}
81
82static ssize_t
83file_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
101static int
102file_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