xref: /netbsd-src/usr.sbin/mtree/misc.c (revision 481fca6e59249d8ffcf24fef7cfbe7b131bfb080)
1 /*	$NetBSD: misc.c,v 1.8 1998/12/06 19:07:53 jwise Exp $	*/
2 
3 /*-
4  * Copyright (c) 1991, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  *	@(#)misc.c	8.1 (Berkeley) 6/6/93
36  */
37 
38 #include <sys/cdefs.h>
39 #ifndef lint
40 __RCSID("$NetBSD: misc.c,v 1.8 1998/12/06 19:07:53 jwise Exp $");
41 #endif /* not lint */
42 
43 #include <sys/types.h>
44 #include <sys/stat.h>
45 #include <fts.h>
46 #include <stdio.h>
47 #include "mtree.h"
48 #include "extern.h"
49 
50 extern int lineno;
51 
52 typedef struct _key {
53 	char *name;			/* key name */
54 	u_int val;			/* value */
55 
56 #define	NEEDVALUE	0x01
57 	u_int flags;
58 } KEY;
59 
60 /* NB: the following table must be sorted lexically. */
61 static KEY keylist[] = {
62 	{"cksum",	F_CKSUM,	NEEDVALUE},
63 	{"flags",	F_FLAGS,	NEEDVALUE},
64 	{"gid",		F_GID,		NEEDVALUE},
65 	{"gname",	F_GNAME,	NEEDVALUE},
66 	{"ignore",	F_IGN,		0},
67 	{"link",	F_SLINK,	NEEDVALUE},
68 	{"md5",		F_MD5,		NEEDVALUE},
69 	{"mode",	F_MODE,		NEEDVALUE},
70 	{"nlink",	F_NLINK,	NEEDVALUE},
71 	{"optional",	F_OPT,		0},
72 	{"size",	F_SIZE,		NEEDVALUE},
73 	{"time",	F_TIME,		NEEDVALUE},
74 	{"type",	F_TYPE,		NEEDVALUE},
75 	{"uid",		F_UID,		NEEDVALUE},
76 	{"uname",	F_UNAME,	NEEDVALUE}
77 };
78 
79 int keycompare __P((const void *, const void *));
80 
81 u_int
82 parsekey(name, needvaluep)
83 	char *name;
84 	int *needvaluep;
85 {
86 	KEY *k, tmp;
87 
88 	tmp.name = name;
89 	k = (KEY *)bsearch(&tmp, keylist, sizeof(keylist) / sizeof(KEY),
90 	    sizeof(KEY), keycompare);
91 	if (k == NULL)
92 		mtree_err("unknown keyword %s", name);
93 
94 	if (needvaluep)
95 		*needvaluep = k->flags & NEEDVALUE ? 1 : 0;
96 
97 	return (k->val);
98 }
99 
100 int
101 keycompare(a, b)
102 	const void *a, *b;
103 {
104 	return (strcmp(((KEY *)a)->name, ((KEY *)b)->name));
105 }
106 
107 #if __STDC__
108 #include <stdarg.h>
109 #else
110 #include <varargs.h>
111 #endif
112 
113 void
114 #if __STDC__
115 mtree_err(const char *fmt, ...)
116 #else
117 mtree_err(fmt, va_alist)
118 	char *fmt;
119         va_dcl
120 #endif
121 {
122 	va_list ap;
123 #if __STDC__
124 	va_start(ap, fmt);
125 #else
126 	va_start(ap);
127 #endif
128 	(void)fprintf(stderr, "mtree: ");
129 	(void)vfprintf(stderr, fmt, ap);
130 	va_end(ap);
131 	(void)fprintf(stderr, "\n");
132 	if (lineno)
133 		(void)fprintf(stderr,
134 		    "mtree: failed at line %d of the specification\n", lineno);
135 	exit(1);
136 	/* NOTREACHED */
137 }
138