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magic.h

/*
 * Copyright (c) Christos Zoulas 2003.
 * All Rights Reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice immediately at the beginning of the file, without modification,
 *    this list of conditions, and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *  
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */
#ifndef _MAGIC_H
#define _MAGIC_H

#include <sys/types.h>

#define     MAGIC_NONE        0x000 /* No flags */
#define     MAGIC_DEBUG       0x001 /* Turn on debugging */
#define     MAGIC_SYMLINK           0x002 /* Follow symlinks */
#define     MAGIC_COMPRESS          0x004 /* Check inside compressed files */
#define     MAGIC_DEVICES           0x008 /* Look at the contents of devices */
#define     MAGIC_MIME        0x010 /* Return a mime string */
#define     MAGIC_CONTINUE          0x020 /* Return all matches */
#define     MAGIC_CHECK       0x040 /* Print warnings to stderr */
#define     MAGIC_PRESERVE_ATIME    0x080 /* Restore access time on exit */
#define     MAGIC_RAW         0x100 /* Don't translate unprintable chars */
#define     MAGIC_ERROR       0x200 /* Handle ENOENT etc as real errors */

#ifdef __cplusplus
extern "C" {
#endif

typedef struct magic_set *magic_t;
magic_t magic_open(int);
void magic_close(magic_t);

const char *magic_file(magic_t, const char *);
const char *magic_buffer(magic_t, const void *, size_t);

const char *magic_error(magic_t);
int magic_setflags(magic_t, int);

int magic_load(magic_t, const char *);
int magic_compile(magic_t, const char *);
int magic_check(magic_t, const char *);
int magic_errno(magic_t);

#ifdef __cplusplus
};
#endif

#endif /* _MAGIC_H */

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