misc.c revision 36670 
1/*-
2 * Copyright (c) 1991, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by the University of
16 *	California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35#if 0
36static char sccsid[] = "@(#)misc.c	8.1 (Berkeley) 6/6/93";
37#endif
38static const char rcsid[] =
39	"$Id: misc.c,v 1.4 1997/10/01 06:30:01 charnier Exp $";
40#endif /*not lint */
41
42#include <sys/types.h>
43#include <sys/stat.h>
44#include <err.h>
45#include <fts.h>
46#include <stdio.h>
47#include "mtree.h"
48#include "extern.h"
49
50extern int lineno;
51
52typedef 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. */
61static KEY keylist[] = {
62	{"cksum",	F_CKSUM,	NEEDVALUE},
63	{"gid",		F_GID,		NEEDVALUE},
64	{"gname",	F_GNAME,	NEEDVALUE},
65	{"ignore",	F_IGN,		0},
66	{"link",	F_SLINK,	NEEDVALUE},
67	{"md5digest",	F_MD5,		NEEDVALUE},
68	{"mode",	F_MODE,		NEEDVALUE},
69	{"nlink",	F_NLINK,	NEEDVALUE},
70	{"nochange",	F_NOCHANGE,	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
78u_int
79parsekey(name, needvaluep)
80	char *name;
81	int *needvaluep;
82{
83	KEY *k, tmp;
84	int keycompare __P((const void *, const void *));
85
86	tmp.name = name;
87	k = (KEY *)bsearch(&tmp, keylist, sizeof(keylist) / sizeof(KEY),
88	    sizeof(KEY), keycompare);
89	if (k == NULL)
90		errx(1, "line %d: unknown keyword %s", lineno, name);
91
92	if (needvaluep)
93		*needvaluep = k->flags & NEEDVALUE ? 1 : 0;
94	return (k->val);
95}
96
97int
98keycompare(a, b)
99	const void *a, *b;
100{
101	return (strcmp(((KEY *)a)->name, ((KEY *)b)->name));
102}
103