Update to file-4.19.
[dragonfly.git] / contrib / file-4 / src / magic.h
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1/*
2 * Copyright (c) Christos Zoulas 2003.
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 immediately at the beginning of the file, without modification,
10 * this list of conditions, and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27#ifndef _MAGIC_H
28#define _MAGIC_H
29
30#include <sys/types.h>
31
32#define MAGIC_NONE 0x000 /* No flags */
33#define MAGIC_DEBUG 0x001 /* Turn on debugging */
34#define MAGIC_SYMLINK 0x002 /* Follow symlinks */
35#define MAGIC_COMPRESS 0x004 /* Check inside compressed files */
36#define MAGIC_DEVICES 0x008 /* Look at the contents of devices */
37#define MAGIC_MIME 0x010 /* Return a mime string */
38#define MAGIC_CONTINUE 0x020 /* Return all matches */
39#define MAGIC_CHECK 0x040 /* Print warnings to stderr */
40#define MAGIC_PRESERVE_ATIME 0x080 /* Restore access time on exit */
41#define MAGIC_RAW 0x100 /* Don't translate unprintable chars */
42#define MAGIC_ERROR 0x200 /* Handle ENOENT etc as real errors */
43
44#ifdef __cplusplus
45extern "C" {
46#endif
47
48typedef struct magic_set *magic_t;
49magic_t magic_open(int);
50void magic_close(magic_t);
51
52const char *magic_file(magic_t, const char *);
53const char *magic_buffer(magic_t, const void *, size_t);
54
55const char *magic_error(magic_t);
56int magic_setflags(magic_t, int);
57
58int magic_load(magic_t, const char *);
59int magic_compile(magic_t, const char *);
60int magic_check(magic_t, const char *);
61int magic_errno(magic_t);
62
63#ifdef __cplusplus
64};
65#endif
66
67#endif /* _MAGIC_H */