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/* $OpenBSD: whereis.c,v 1.2 1996/06/26 05:42:56 deraadt Exp $ */
/* $NetBSD: whereis.c,v 1.6 1995/08/31 21:54:52 jtc Exp $ */
/*-
* Copyright (c) 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.
*/
#ifndef lint
static char copyright[] =
"@(#) Copyright (c) 1993\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)whereis.c 8.3 (Berkeley) 5/4/95";
#endif
static char *rcsid = "$OpenBSD: whereis.c,v 1.2 1996/06/26 05:42:56 deraadt Exp $";
#endif /* not lint */
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/sysctl.h>
#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
void usage __P((void));
int
main(argc, argv)
int argc;
char *argv[];
{
struct stat sb;
size_t len;
int ch, sverrno, mib[2];
char *p, *t, *std, path[MAXPATHLEN];
while ((ch = getopt(argc, argv, "")) != EOF)
switch (ch) {
case '?':
default:
usage();
}
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)
err(1, NULL);
if (sysctl(mib, 2, std, &len, NULL, 0) == -1) {
sverrno = errno;
free(std);
errno = sverrno;
err(1, "sysctl: user_cs_path");
}
/* 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;
}
}
void
usage()
{
(void)fprintf(stderr, "usage: whereis program [...]\n");
exit (1);
}
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