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GitHub Repository: att/ast
 Path: blob/master/src/lib/libast/include/magic.h
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/***********************************************************************

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*                                                                      *

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*               This software is part of the ast package               *

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*          Copyright (c) 1985-2011 AT&T Intellectual Property          *

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*                      and is licensed under the                       *

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*                 Eclipse Public License, Version 1.0                  *

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*                    by AT&T Intellectual Property                     *

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*                                                                      *

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*                A copy of the License is available at                 *

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*          http://www.eclipse.org/org/documents/epl-v10.html           *

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*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *

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*                                                                      *

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*              Information and Software Systems Research               *

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*                            AT&T Research                             *

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*                           Florham Park NJ                            *

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*                                                                      *

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*                 Glenn Fowler <[email protected]>                  *

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*                  David Korn <[email protected]>                   *

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*                   Phong Vo <[email protected]>                    *

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*                                                                      *

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***********************************************************************/

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#pragma prototyped

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/*

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 * Glenn Fowler

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 * AT&T Research

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 *

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 * magic interface definitions

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 */

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#ifndef _MAGIC_H

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#define _MAGIC_H

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#include <sfio.h>

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#include <ls.h>

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#define MAGIC_VERSION	19961031L

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#ifndef MAGIC_FILE

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#define MAGIC_FILE	"lib/file/magic"

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#endif

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#ifndef MAGIC_DIR

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#define MAGIC_DIR	"lib/file"

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#endif

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#define MAGIC_FILE_ENV	"MAGICFILE"

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#define MAGIC_MIME	(1<<0)		/* magictype returns MIME type	*/

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#define MAGIC_VERBOSE	(1<<1)		/* verbose magic file errors	*/

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#define MAGIC_ALL	(1<<2)		/* list all table matches	*/

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#define MAGIC_USER	(1L<<16)	/* first user flag bit		*/

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struct Magic_s;

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struct Magicdisc_s;

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typedef struct Magicdisc_s

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{

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	unsigned long	version;	/* interface version		*/

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	unsigned long	flags;		/* MAGIC_* flags		*/

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	Error_f		errorf;		/* error function		*/

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} Magicdisc_t;

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typedef struct Magic_s

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{

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	const char*	id;		/* library id string		*/

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#ifdef _MAGIC_PRIVATE_

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	_MAGIC_PRIVATE_

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#endif

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} Magic_t;

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#if _BLD_ast && defined(__EXPORT__)

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#define extern		__EXPORT__

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#endif

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extern Magic_t*		magicopen(Magicdisc_t*);

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extern int		magicload(Magic_t*, const char*, unsigned long);

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extern int		magiclist(Magic_t*, Sfio_t*);

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extern char*		magictype(Magic_t*, Sfio_t*, const char*, struct stat*);

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extern int		magicclose(Magic_t*);

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#undef	extern

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#endif

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