mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-22 11:17:19 +00:00
64 lines
2.2 KiB
C
64 lines
2.2 KiB
C
/*-
|
|
* Copyright (c) 2002 Dag-Erling Coïdan Smørgrav
|
|
* 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
|
|
* in this position and unchanged.
|
|
* 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. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
extern char **environ;
|
|
|
|
int
|
|
main(int argc __unused, char *argv[])
|
|
{
|
|
char path[PATH_MAX];
|
|
const char *p, *q, *self;
|
|
size_t len;
|
|
|
|
self = argv[0];
|
|
argv[0] = path;
|
|
for (p = q = getenv("PATH"); p && *p && *q; p = q + 1) {
|
|
for (q = p; *q && *q != ':'; ++q)
|
|
/* nothing */ ;
|
|
len = snprintf(path, sizeof path, "%.*s/perl", (int)(q - p), p);
|
|
if (len >= PATH_MAX || strcmp(path, self) == 0)
|
|
continue;
|
|
execve(path, argv, environ);
|
|
if (errno != ENOENT)
|
|
err(1, "%s", path);
|
|
}
|
|
errx(1, "Perl is not installed, try 'pkg_add -r perl'");
|
|
}
|