magic.h revision 1.2 
1/* $OpenBSD: magic.h,v 1.2 2004/05/19 02:36:26 tedu Exp $ */
2/*
3 * Copyright (c) Christos Zoulas 2003.
4 * All Rights Reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice immediately at the beginning of the file, without modification,
11 *    this list of conditions, and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 *    derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30#ifndef _MAGIC_H
31#define _MAGIC_H
32
33#include <sys/types.h>
34
35#define	MAGIC_NONE		0x000	/* No flags */
36#define	MAGIC_DEBUG		0x001	/* Turn on debugging */
37#define	MAGIC_SYMLINK		0x002	/* Follow symlinks */
38#define	MAGIC_COMPRESS		0x004	/* Check inside compressed files */
39#define	MAGIC_DEVICES		0x008	/* Look at the contents of devices */
40#define	MAGIC_MIME		0x010	/* Return a mime string */
41#define	MAGIC_CONTINUE		0x020	/* Return all matches */
42#define	MAGIC_CHECK		0x040	/* Print warnings to stderr */
43#define	MAGIC_PRESERVE_ATIME	0x080	/* Restore access time on exit */
44#define	MAGIC_RAW		0x100	/* Don't translate unprintable chars */
45#define	MAGIC_ERROR		0x200	/* Handle ENOENT etc as real errors */
46
47#ifdef __cplusplus
48extern "C" {
49#endif
50
51typedef struct magic_set *magic_t;
52magic_t magic_open(int);
53void magic_close(magic_t);
54
55const char *magic_file(magic_t, const char *);
56const char *magic_buffer(magic_t, const void *, size_t);
57
58const char *magic_error(magic_t);
59int magic_setflags(magic_t, int);
60
61int magic_load(magic_t, const char *);
62int magic_compile(magic_t, const char *);
63int magic_check(magic_t, const char *);
64int magic_errno(magic_t);
65
66#ifdef __cplusplus
67};
68#endif
69
70#endif /* _MAGIC_H */
71