magic.h revision 1.1 
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 * 3. The name of the author may not be used to endorse or promote products
15 *    derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29#ifndef _MAGIC_H
30#define _MAGIC_H
31
32#include <sys/types.h>
33
34#define	MAGIC_NONE		0x000	/* No flags */
35#define	MAGIC_DEBUG		0x001	/* Turn on debugging */
36#define	MAGIC_SYMLINK		0x002	/* Follow symlinks */
37#define	MAGIC_COMPRESS		0x004	/* Check inside compressed files */
38#define	MAGIC_DEVICES		0x008	/* Look at the contents of devices */
39#define	MAGIC_MIME		0x010	/* Return a mime string */
40#define	MAGIC_CONTINUE		0x020	/* Return all matches */
41#define	MAGIC_CHECK		0x040	/* Print warnings to stderr */
42#define	MAGIC_PRESERVE_ATIME	0x080	/* Restore access time on exit */
43#define	MAGIC_RAW		0x100	/* Don't translate unprintable chars */
44#define	MAGIC_ERROR		0x200	/* Handle ENOENT etc as real errors */
45
46#ifdef __cplusplus
47extern "C" {
48#endif
49
50typedef struct magic_set *magic_t;
51magic_t magic_open(int);
52void magic_close(magic_t);
53
54const char *magic_file(magic_t, const char *);
55const char *magic_buffer(magic_t, const void *, size_t);
56
57const char *magic_error(magic_t);
58int magic_setflags(magic_t, int);
59
60int magic_load(magic_t, const char *);
61int magic_compile(magic_t, const char *);
62int magic_check(magic_t, const char *);
63int magic_errno(magic_t);
64
65#ifdef __cplusplus
66};
67#endif
68
69#endif /* _MAGIC_H */
70