xref: /freebsd/sys/fs/cd9660/iso_rrip.h (revision dd41de95a84d979615a2ef11df6850622bf6184e)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1993, 1994
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley
8  * by Pace Willisson (pace@blitz.com).  The Rock Ridge Extension
9  * Support code is derived from software contributed to Berkeley
10  * by Atsushi Murai (amurai@spec.co.jp).
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  *	@(#)iso_rrip.h	8.2 (Berkeley) 1/23/94
37  * $FreeBSD$
38  */
39 
40 /*
41  *	Analyze function flag (similar to RR field bits)
42  */
43 #define	ISO_SUSP_ATTR		0x0001
44 #define	ISO_SUSP_DEVICE		0x0002
45 #define	ISO_SUSP_SLINK		0x0004
46 #define	ISO_SUSP_ALTNAME	0x0008
47 #define	ISO_SUSP_CLINK		0x0010
48 #define	ISO_SUSP_PLINK		0x0020
49 #define	ISO_SUSP_RELDIR		0x0040
50 #define	ISO_SUSP_TSTAMP		0x0080
51 #define	ISO_SUSP_IDFLAG		0x0100
52 #define	ISO_SUSP_EXTREF		0x0200
53 #define	ISO_SUSP_CONT		0x0400
54 #define	ISO_SUSP_OFFSET		0x0800
55 #define	ISO_SUSP_STOP		0x1000
56 #define	ISO_SUSP_UNKNOWN	0x8000
57 
58 #ifdef _KERNEL
59 typedef struct {
60 	struct iso_node	*inop;
61 	int		fields;		/* interesting fields in this analysis */
62 	daddr_t		iso_ce_blk;	/* block of continuation area */
63 	off_t		iso_ce_off;	/* offset of continuation area */
64 	int		iso_ce_len;	/* length of continuation area */
65 	struct iso_mnt	*imp;		/* mount structure */
66 	cd_ino_t	*inump;		/* inode number pointer */
67 	char		*outbuf;	/* name/symbolic link output area */
68 	u_short		*outlen;	/* length of above */
69 	u_short		maxlen;		/* maximum length of above */
70 	int		cont;		/* continuation of above */
71 } ISO_RRIP_ANALYZE;
72 
73 struct iso_directory_record;
74 
75 int cd9660_rrip_analyze(struct iso_directory_record *isodir,
76 			    struct iso_node *inop, struct iso_mnt *imp);
77 int cd9660_rrip_getname(struct iso_directory_record *isodir,
78 			    char *outbuf, u_short *outlen,
79 			    cd_ino_t *inump, struct iso_mnt *imp);
80 int cd9660_rrip_getsymname(struct iso_directory_record *isodir,
81 			       char *outbuf, u_short *outlen,
82 			       struct iso_mnt *imp);
83 int cd9660_rrip_offset(struct iso_directory_record *isodir,
84 			   struct iso_mnt *imp);
85 #endif /* _KERNEL */
86