xref: /onnv-gate/usr/src/lib/libast/common/include/magic.h (revision 12068:08a39a083754)
14887Schin /***********************************************************************
24887Schin *                                                                      *
34887Schin *               This software is part of the ast package               *
4*12068SRoger.Faulkner@Oracle.COM *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
54887Schin *                      and is licensed under the                       *
64887Schin *                  Common Public License, Version 1.0                  *
78462SApril.Chin@Sun.COM *                    by AT&T Intellectual Property                     *
84887Schin *                                                                      *
94887Schin *                A copy of the License is available at                 *
104887Schin *            http://www.opensource.org/licenses/cpl1.0.txt             *
114887Schin *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
124887Schin *                                                                      *
134887Schin *              Information and Software Systems Research               *
144887Schin *                            AT&T Research                             *
154887Schin *                           Florham Park NJ                            *
164887Schin *                                                                      *
174887Schin *                 Glenn Fowler <gsf@research.att.com>                  *
184887Schin *                  David Korn <dgk@research.att.com>                   *
194887Schin *                   Phong Vo <kpv@research.att.com>                    *
204887Schin *                                                                      *
214887Schin ***********************************************************************/
224887Schin #pragma prototyped
234887Schin /*
244887Schin  * Glenn Fowler
254887Schin  * AT&T Research
264887Schin  *
274887Schin  * magic interface definitions
284887Schin  */
294887Schin 
304887Schin #ifndef _MAGIC_H
314887Schin #define _MAGIC_H
324887Schin 
334887Schin #include <sfio.h>
344887Schin #include <ls.h>
354887Schin 
364887Schin #define MAGIC_VERSION	19961031L
374887Schin 
384887Schin #ifndef MAGIC_FILE
394887Schin #define MAGIC_FILE	"lib/file/magic"
404887Schin #endif
414887Schin 
424887Schin #ifndef MAGIC_DIR
434887Schin #define MAGIC_DIR	"lib/file"
444887Schin #endif
454887Schin 
464887Schin #define MAGIC_FILE_ENV	"MAGICFILE"
474887Schin 
484887Schin #define MAGIC_MIME	(1<<0)		/* magictype returns MIME type	*/
494887Schin #define MAGIC_VERBOSE	(1<<1)		/* verbose magic file errors	*/
504887Schin 
514887Schin #define MAGIC_USER	(1L<<16)	/* first user flag bit		*/
524887Schin 
534887Schin struct Magic_s;
544887Schin struct Magicdisc_s;
554887Schin 
564887Schin typedef struct Magicdisc_s
574887Schin {
584887Schin 	unsigned long	version;	/* interface version		*/
594887Schin 	unsigned long	flags;		/* MAGIC_* flags		*/
604887Schin 	Error_f		errorf;		/* error function		*/
614887Schin } Magicdisc_t;
624887Schin 
634887Schin typedef struct Magic_s
644887Schin {
654887Schin 	const char*	id;		/* library id string		*/
664887Schin 
674887Schin #ifdef _MAGIC_PRIVATE_
684887Schin 	_MAGIC_PRIVATE_
694887Schin #endif
704887Schin 
714887Schin } Magic_t;
724887Schin 
734887Schin #if _BLD_ast && defined(__EXPORT__)
744887Schin #define extern		__EXPORT__
754887Schin #endif
764887Schin 
774887Schin extern Magic_t*		magicopen(Magicdisc_t*);
784887Schin extern int		magicload(Magic_t*, const char*, unsigned long);
794887Schin extern int		magiclist(Magic_t*, Sfio_t*);
804887Schin extern char*		magictype(Magic_t*, Sfio_t*, const char*, struct stat*);
814887Schin extern int		magicclose(Magic_t*);
824887Schin 
834887Schin #undef	extern
844887Schin 
854887Schin #endif
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