Date: Wed, 15 Mar 2000 12:19:33 -0500 (EST) From: Ayan George <ayan@kiwi.datasys.net> To: FreeBSD-gnats-submit@freebsd.org Subject: bin/17395: bin Message-ID: <200003151719.MAA44288@kiwi.datasys.net>
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>Number: 17395
>Category: bin
>Synopsis: This is a replacement for the perl version of which.
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: change-request
>Submitter-Id: current-users
>Arrival-Date: Wed Mar 15 09:20:01 PST 2000
>Closed-Date:
>Last-Modified:
>Originator: Ayan George
>Release: FreeBSD 4.0-CURRENT i386
>Organization:
DSS Online, LLC
>Environment:
>Description:
/*
* Copyright (c) 2000 Ayan George <ayan@datasys.net>. United States. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $Id: which.c,v 1.1 2000/03/03 21:23:19 ayan Exp $
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#define PROCESS_ALL 0x01
#define QUIET_OUTPUT 0x02
int main(int argc, char *argv[])
{
char *directory;
char *path;
char *toklist;
char filename[FILENAME_MAX]; /* FILENAME_MAX is defined in stdio.h. */
int arg;
int mode = 0;
int rc = 1;
gid_t myegid;
uid_t myeuid;
struct stat file_stat;
path = getenv("PATH");
if (path != NULL) {
myegid = getegid();
myeuid = geteuid();
while ((arg = getopt(argc, argv, "ahs")) != (-1)) {
switch (arg) {
case 'a':
mode = (mode | PROCESS_ALL);
break;
case 's':
mode = (mode | QUIET_OUTPUT);
break;
case 'h':
fprintf(stderr, "usage: which [-a] [-s] program ...\n");
exit(0);
break;
}
}
argc -= optind;
argv += optind;
if (argc == 0)
exit(0);
else
while (argc > 0) {
toklist = strdup(path);
while ((directory = (char *) strsep(&toklist, ":")) != NULL) {
sprintf(filename, "%s/%s", directory, *argv);
if (stat(filename, &file_stat) != (-1)) {
if ((file_stat.st_mode & 0100) ||
((file_stat.st_mode & 0010) && (myegid == file_stat.st_gid)) ||
((file_stat.st_mode & 0001) && (myeuid == file_stat.st_uid))) {
rc = 0;
if (!(mode & QUIET_OUTPUT)) {
write(1, filename, strlen(filename));
putchar('\n');
}
}
}
}
free(toklist);
if (!(mode & PROCESS_ALL))
exit(rc);
--argc;
++argv;
}
}
exit(rc);
}
>How-To-Repeat:
Since this is a complete rewrite, there I don't see a need for
a diff. This replaces /usr/src/usr.bin/which/which.pl.
This does not require Perl to execute.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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