NetBSD/usr.bin/whereis/whereis.c

129 lines
3.6 KiB
C
Raw Normal View History

1997-10-20 06:22:55 +04:00
/* $NetBSD: whereis.c,v 1.8 1997/10/20 02:22:55 mrg Exp $ */
1995-09-01 01:54:51 +04:00
1993-03-21 12:45:37 +03:00
/*-
1994-09-18 06:14:32 +04:00
* Copyright (c) 1993
* The Regents of the University of California. All rights reserved.
1993-03-21 12:45:37 +03:00
*
* 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.
*/
1997-10-20 06:22:55 +04:00
#include <sys/cdefs.h>
1993-03-21 12:45:37 +03:00
#ifndef lint
1997-10-20 06:22:55 +04:00
__COPYRIGHT("@(#) Copyright (c) 1993\n\
The Regents of the University of California. All rights reserved.\n");
1993-03-21 12:45:37 +03:00
#endif /* not lint */
#ifndef lint
1995-09-01 01:54:51 +04:00
#if 0
static char sccsid[] = "@(#)whereis.c 8.3 (Berkeley) 5/4/95";
#endif
1997-10-20 06:22:55 +04:00
__RCSID("$NetBSD: whereis.c,v 1.8 1997/10/20 02:22:55 mrg Exp $");
1993-03-21 12:45:37 +03:00
#endif /* not lint */
#include <sys/param.h>
1994-09-18 06:14:32 +04:00
#include <sys/stat.h>
#include <sys/sysctl.h>
#include <err.h>
#include <errno.h>
1993-03-21 12:45:37 +03:00
#include <stdio.h>
1994-09-18 06:14:32 +04:00
#include <stdlib.h>
#include <string.h>
1995-09-01 01:54:51 +04:00
#include <unistd.h>
1993-03-21 12:45:37 +03:00
1994-09-18 06:14:32 +04:00
void usage __P((void));
1997-10-20 06:22:55 +04:00
int main __P((int, char *[]));
1993-03-21 12:45:37 +03:00
1994-09-18 06:14:32 +04:00
int
1993-03-21 12:45:37 +03:00
main(argc, argv)
int argc;
char *argv[];
{
1994-09-18 06:14:32 +04:00
struct stat sb;
size_t len;
int ch, sverrno, mib[2];
char *p, *t, *std, path[MAXPATHLEN];
while ((ch = getopt(argc, argv, "")) != -1)
1994-09-18 06:14:32 +04:00
switch (ch) {
case '?':
default:
usage();
1993-03-21 12:45:37 +03:00
}
1994-09-18 06:14:32 +04:00
argc -= optind;
argv += optind;
if (argc == 0)
usage();
/* Retrieve the standard path. */
mib[0] = CTL_USER;
mib[1] = USER_CS_PATH;
if (sysctl(mib, 2, NULL, &len, NULL, 0) == -1)
return (-1);
if (len == 0)
err(1, "user_cs_path: sysctl: zero length\n");
if ((std = malloc(len)) == NULL)
1997-10-20 06:22:55 +04:00
err(1, "%s", "");
1994-09-18 06:14:32 +04:00
if (sysctl(mib, 2, std, &len, NULL, 0) == -1) {
sverrno = errno;
free(std);
errno = sverrno;
err(1, "sysctl: user_cs_path");
1993-03-21 12:45:37 +03:00
}
1994-09-18 06:14:32 +04:00
/* For each path, for each program... */
for (; *argv; ++argv)
for (p = std;; *p++ = ':') {
t = p;
if ((p = strchr(p, ':')) != NULL) {
*p = '\0';
if (t == p)
t = ".";
} else
if (strlen(t) == 0)
t = ".";
(void)snprintf(path, sizeof(path), "%s/%s", t, *argv);
if (!stat(path, &sb))
(void)printf("%s\n", path);
if (p == NULL)
break;
1993-03-21 12:45:37 +03:00
}
return (0);
1993-03-21 12:45:37 +03:00
}
1994-09-18 06:14:32 +04:00
void
usage()
1993-03-21 12:45:37 +03:00
{
1994-09-18 06:14:32 +04:00
(void)fprintf(stderr, "usage: whereis program [...]\n");
exit (1);
1993-03-21 12:45:37 +03:00
}