xref: /netbsd-src/usr.sbin/mtree/misc.c (revision 93f9db1b75d415b78f73ed629beeb86235153473)
1 /*	$NetBSD: misc.c,v 1.7 1998/10/10 07:50:28 mrg 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 1.7 1998/10/10 07:50:28 mrg 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 	{"mode",	F_MODE,		NEEDVALUE},
69 	{"nlink",	F_NLINK,	NEEDVALUE},
70 	{"optional",	F_OPT,		0},
71 	{"size",	F_SIZE,		NEEDVALUE},
72 	{"time",	F_TIME,		NEEDVALUE},
73 	{"type",	F_TYPE,		NEEDVALUE},
74 	{"uid",		F_UID,		NEEDVALUE},
75 	{"uname",	F_UNAME,	NEEDVALUE}
76 };
77 
78 int keycompare __P((const void *, const void *));
79 
80 u_int
81 parsekey(name, needvaluep)
82 	char *name;
83 	int *needvaluep;
84 {
85 	KEY *k, tmp;
86 
87 	tmp.name = name;
88 	k = (KEY *)bsearch(&tmp, keylist, sizeof(keylist) / sizeof(KEY),
89 	    sizeof(KEY), keycompare);
90 	if (k == NULL)
91 		mtree_err("unknown keyword %s", name);
92 
93 	if (needvaluep)
94 		*needvaluep = k->flags & NEEDVALUE ? 1 : 0;
95 	return (k->val);
96 }
97 
98 int
99 keycompare(a, b)
100 	const void *a, *b;
101 {
102 	return (strcmp(((KEY *)a)->name, ((KEY *)b)->name));
103 }
104 
105 #if __STDC__
106 #include <stdarg.h>
107 #else
108 #include <varargs.h>
109 #endif
110 
111 void
112 #if __STDC__
113 mtree_err(const char *fmt, ...)
114 #else
115 mtree_err(fmt, va_alist)
116 	char *fmt;
117         va_dcl
118 #endif
119 {
120 	va_list ap;
121 #if __STDC__
122 	va_start(ap, fmt);
123 #else
124 	va_start(ap);
125 #endif
126 	(void)fprintf(stderr, "mtree: ");
127 	(void)vfprintf(stderr, fmt, ap);
128 	va_end(ap);
129 	(void)fprintf(stderr, "\n");
130 	if (lineno)
131 		(void)fprintf(stderr,
132 		    "mtree: failed at line %d of the specification\n", lineno);
133 	exit(1);
134 	/* NOTREACHED */
135 }
136