1da2e3ebdSchin /***********************************************************************
2da2e3ebdSchin *                                                                      *
3da2e3ebdSchin *               This software is part of the ast package               *
4*b30d1939SAndy Fiddaman *          Copyright (c) 1985-2011 AT&T Intellectual Property          *
5da2e3ebdSchin *                      and is licensed under the                       *
6*b30d1939SAndy Fiddaman *                 Eclipse Public License, Version 1.0                  *
77c2fbfb3SApril Chin *                    by AT&T Intellectual Property                     *
8da2e3ebdSchin *                                                                      *
9da2e3ebdSchin *                A copy of the License is available at                 *
10*b30d1939SAndy Fiddaman *          http://www.eclipse.org/org/documents/epl-v10.html           *
11*b30d1939SAndy Fiddaman *         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
12da2e3ebdSchin *                                                                      *
13da2e3ebdSchin *              Information and Software Systems Research               *
14da2e3ebdSchin *                            AT&T Research                             *
15da2e3ebdSchin *                           Florham Park NJ                            *
16da2e3ebdSchin *                                                                      *
17da2e3ebdSchin *                 Glenn Fowler <gsf@research.att.com>                  *
18da2e3ebdSchin *                  David Korn <dgk@research.att.com>                   *
19da2e3ebdSchin *                   Phong Vo <kpv@research.att.com>                    *
20da2e3ebdSchin *                                                                      *
21da2e3ebdSchin ***********************************************************************/
22da2e3ebdSchin #pragma prototyped
23da2e3ebdSchin /*
24da2e3ebdSchin  * Glenn Fowler
25da2e3ebdSchin  * AT&T Research
26da2e3ebdSchin  *
27da2e3ebdSchin  * magic interface definitions
28da2e3ebdSchin  */
29da2e3ebdSchin 
30da2e3ebdSchin #ifndef _MAGIC_H
31da2e3ebdSchin #define _MAGIC_H
32da2e3ebdSchin 
33da2e3ebdSchin #include <sfio.h>
34da2e3ebdSchin #include <ls.h>
35da2e3ebdSchin 
36da2e3ebdSchin #define MAGIC_VERSION	19961031L
37da2e3ebdSchin 
38da2e3ebdSchin #ifndef MAGIC_FILE
39da2e3ebdSchin #define MAGIC_FILE	"lib/file/magic"
40da2e3ebdSchin #endif
41da2e3ebdSchin 
42da2e3ebdSchin #ifndef MAGIC_DIR
43da2e3ebdSchin #define MAGIC_DIR	"lib/file"
44da2e3ebdSchin #endif
45da2e3ebdSchin 
46da2e3ebdSchin #define MAGIC_FILE_ENV	"MAGICFILE"
47da2e3ebdSchin 
48da2e3ebdSchin #define MAGIC_MIME	(1<<0)		/* magictype returns MIME type	*/
49da2e3ebdSchin #define MAGIC_VERBOSE	(1<<1)		/* verbose magic file errors	*/
50*b30d1939SAndy Fiddaman #define MAGIC_ALL	(1<<2)		/* list all table matches	*/
51da2e3ebdSchin 
52da2e3ebdSchin #define MAGIC_USER	(1L<<16)	/* first user flag bit		*/
53da2e3ebdSchin 
54da2e3ebdSchin struct Magic_s;
55da2e3ebdSchin struct Magicdisc_s;
56da2e3ebdSchin 
57da2e3ebdSchin typedef struct Magicdisc_s
58da2e3ebdSchin {
59da2e3ebdSchin 	unsigned long	version;	/* interface version		*/
60da2e3ebdSchin 	unsigned long	flags;		/* MAGIC_* flags		*/
61da2e3ebdSchin 	Error_f		errorf;		/* error function		*/
62da2e3ebdSchin } Magicdisc_t;
63da2e3ebdSchin 
64da2e3ebdSchin typedef struct Magic_s
65da2e3ebdSchin {
66da2e3ebdSchin 	const char*	id;		/* library id string		*/
67da2e3ebdSchin 
68da2e3ebdSchin #ifdef _MAGIC_PRIVATE_
69da2e3ebdSchin 	_MAGIC_PRIVATE_
70da2e3ebdSchin #endif
71da2e3ebdSchin 
72da2e3ebdSchin } Magic_t;
73da2e3ebdSchin 
74da2e3ebdSchin #if _BLD_ast && defined(__EXPORT__)
75da2e3ebdSchin #define extern		__EXPORT__
76da2e3ebdSchin #endif
77da2e3ebdSchin 
78da2e3ebdSchin extern Magic_t*		magicopen(Magicdisc_t*);
79da2e3ebdSchin extern int		magicload(Magic_t*, const char*, unsigned long);
80da2e3ebdSchin extern int		magiclist(Magic_t*, Sfio_t*);
81da2e3ebdSchin extern char*		magictype(Magic_t*, Sfio_t*, const char*, struct stat*);
82da2e3ebdSchin extern int		magicclose(Magic_t*);
83da2e3ebdSchin 
84da2e3ebdSchin #undef	extern
85da2e3ebdSchin 
86da2e3ebdSchin #endif
87