freebsd-dev/usr.sbin/mtree/misc.c

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1994-05-26 05:23:31 +00:00
/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)misc.c 8.1 (Berkeley) 6/6/93
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <fts.h>
#include <stdio.h>
#include "mtree.h"
#include "extern.h"
extern int lineno;
typedef struct _key {
char *name; /* key name */
u_int val; /* value */
#define NEEDVALUE 0x01
u_int flags;
} KEY;
/* NB: the following table must be sorted lexically. */
static KEY keylist[] = {
{"cksum", F_CKSUM, NEEDVALUE},
{"gid", F_GID, NEEDVALUE},
{"gname", F_GNAME, NEEDVALUE},
{"ignore", F_IGN, 0},
{"link", F_SLINK, NEEDVALUE},
{"md5digest", F_MD5, NEEDVALUE},
{"mode", F_MODE, NEEDVALUE},
{"nlink", F_NLINK, NEEDVALUE},
{"size", F_SIZE, NEEDVALUE},
{"time", F_TIME, NEEDVALUE},
{"type", F_TYPE, NEEDVALUE},
{"uid", F_UID, NEEDVALUE},
{"uname", F_UNAME, NEEDVALUE},
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};
u_int
parsekey(name, needvaluep)
char *name;
int *needvaluep;
{
KEY *k, tmp;
int keycompare __P((const void *, const void *));
tmp.name = name;
k = (KEY *)bsearch(&tmp, keylist, sizeof(keylist) / sizeof(KEY),
sizeof(KEY), keycompare);
if (k == NULL)
err("unknown keyword %s", name);
if (needvaluep)
*needvaluep = k->flags & NEEDVALUE ? 1 : 0;
return (k->val);
}
int
keycompare(a, b)
const void *a, *b;
{
return (strcmp(((KEY *)a)->name, ((KEY *)b)->name));
}
#if __STDC__
#include <stdarg.h>
#else
#include <varargs.h>
#endif
void
#if __STDC__
err(const char *fmt, ...)
#else
err(fmt, va_alist)
char *fmt;
va_dcl
#endif
{
va_list ap;
#if __STDC__
va_start(ap, fmt);
#else
va_start(ap);
#endif
(void)fflush(NULL);
(void)fprintf(stderr, "\nmtree: ");
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(void)vfprintf(stderr, fmt, ap);
va_end(ap);
(void)fprintf(stderr, "\n");
if (lineno)
(void)fprintf(stderr,
"mtree: failed at line %d of the specification\n", lineno);
exit(1);
/* NOTREACHED */
}