xref: /freebsd/sys/fs/cd9660/iso_rrip.h (revision ad30f8e79bd1007cc2476e491bd21b4f5e389e0a)
1 /*-
2  * Copyright (c) 1993, 1994
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * This code is derived from software contributed to Berkeley
6  * by Pace Willisson (pace@blitz.com).  The Rock Ridge Extension
7  * Support code is derived from software contributed to Berkeley
8  * by Atsushi Murai (amurai@spec.co.jp).
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 4. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  *	@(#)iso_rrip.h	8.2 (Berkeley) 1/23/94
35  * $FreeBSD$
36  */
37 
38 
39 /*
40  *	Analyze function flag (similar to RR field bits)
41  */
42 #define	ISO_SUSP_ATTR		0x0001
43 #define	ISO_SUSP_DEVICE		0x0002
44 #define	ISO_SUSP_SLINK		0x0004
45 #define	ISO_SUSP_ALTNAME	0x0008
46 #define	ISO_SUSP_CLINK		0x0010
47 #define	ISO_SUSP_PLINK		0x0020
48 #define	ISO_SUSP_RELDIR		0x0040
49 #define	ISO_SUSP_TSTAMP		0x0080
50 #define	ISO_SUSP_IDFLAG		0x0100
51 #define	ISO_SUSP_EXTREF		0x0200
52 #define	ISO_SUSP_CONT		0x0400
53 #define	ISO_SUSP_OFFSET		0x0800
54 #define	ISO_SUSP_STOP		0x1000
55 #define	ISO_SUSP_UNKNOWN	0x8000
56 
57 typedef struct {
58 	struct iso_node	*inop;
59 	int		fields;		/* interesting fields in this analysis */
60 	daddr_t		iso_ce_blk;	/* block of continuation area */
61 	off_t		iso_ce_off;	/* offset of continuation area */
62 	int		iso_ce_len;	/* length of continuation area */
63 	struct iso_mnt	*imp;		/* mount structure */
64 	ino_t		*inump;		/* inode number pointer */
65 	char		*outbuf;	/* name/symbolic link output area */
66 	u_short		*outlen;	/* length of above */
67 	u_short		maxlen;		/* maximum length of above */
68 	int		cont;		/* continuation of above */
69 } ISO_RRIP_ANALYZE;
70 
71 struct iso_directory_record;
72 
73 int cd9660_rrip_analyze(struct iso_directory_record *isodir,
74 			    struct iso_node *inop, struct iso_mnt *imp);
75 int cd9660_rrip_getname(struct iso_directory_record *isodir,
76 			    char *outbuf, u_short *outlen,
77 			    ino_t *inump, struct iso_mnt *imp);
78 int cd9660_rrip_getsymname(struct iso_directory_record *isodir,
79 			       char *outbuf, u_short *outlen,
80 			       struct iso_mnt *imp);
81 int cd9660_rrip_offset(struct iso_directory_record *isodir,
82 			   struct iso_mnt *imp);
83