pwdx.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <libproc.h>
#include <sys/param.h>
static char *command;
static int
show_cwd(const char *arg)
{
char cwd[MAXPATHLEN], proc[128];
psinfo_t p;
int gcode;
int ret;
if (proc_arg_psinfo(arg, PR_ARG_PIDS, &p, &gcode) == -1) {
(void) fprintf(stderr, "%s: cannot examine %s: %s\n",
command, arg, Pgrab_error(gcode));
return (1);
}
(void) snprintf(proc, sizeof (proc), "/proc/%d/path/cwd",
(int)p.pr_pid);
if ((ret = readlink(proc, cwd, sizeof (cwd) - 1)) <= 0) {
(void) fprintf(stderr, "%s: cannot resolve cwd for %s: %s\n",
command, arg, strerror(errno));
return (1);
}
cwd[ret] = '\0';
(void) printf("%d:\t%s\n", (int)p.pr_pid, cwd);
return (0);
}
int
main(int argc, char **argv)
{
int retc = 0;
if ((command = strrchr(argv[0], '/')) != NULL)
command++;
else
command = argv[0];
if (argc <= 1) {
(void) fprintf(stderr, "usage:\t%s pid ...\n", command);
(void) fprintf(stderr, " (show process working directory)\n");
}
while (--argc >= 1)
retc += show_cwd(*++argv);
return (retc);
}