xref: /onnv-gate/usr/src/cmd/ptools/pwdx/pwdx.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate #include <stdio.h>
30*0Sstevel@tonic-gate #include <unistd.h>
31*0Sstevel@tonic-gate #include <string.h>
32*0Sstevel@tonic-gate #include <errno.h>
33*0Sstevel@tonic-gate #include <libproc.h>
34*0Sstevel@tonic-gate #include <sys/param.h>
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate static char *command;
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate static int
show_cwd(const char * arg)39*0Sstevel@tonic-gate show_cwd(const char *arg)
40*0Sstevel@tonic-gate {
41*0Sstevel@tonic-gate 	char cwd[MAXPATHLEN], proc[128];
42*0Sstevel@tonic-gate 	psinfo_t p;
43*0Sstevel@tonic-gate 	int gcode;
44*0Sstevel@tonic-gate 	int ret;
45*0Sstevel@tonic-gate 
46*0Sstevel@tonic-gate 	if (proc_arg_psinfo(arg, PR_ARG_PIDS, &p, &gcode) == -1) {
47*0Sstevel@tonic-gate 		(void) fprintf(stderr, "%s: cannot examine %s: %s\n",
48*0Sstevel@tonic-gate 		    command, arg, Pgrab_error(gcode));
49*0Sstevel@tonic-gate 		return (1);
50*0Sstevel@tonic-gate 	}
51*0Sstevel@tonic-gate 
52*0Sstevel@tonic-gate 	(void) snprintf(proc, sizeof (proc), "/proc/%d/path/cwd",
53*0Sstevel@tonic-gate 	    (int)p.pr_pid);
54*0Sstevel@tonic-gate 
55*0Sstevel@tonic-gate 	if ((ret = readlink(proc, cwd, sizeof (cwd) - 1)) <= 0) {
56*0Sstevel@tonic-gate 		(void) fprintf(stderr, "%s: cannot resolve cwd for %s: %s\n",
57*0Sstevel@tonic-gate 		    command, arg, strerror(errno));
58*0Sstevel@tonic-gate 		return (1);
59*0Sstevel@tonic-gate 	}
60*0Sstevel@tonic-gate 
61*0Sstevel@tonic-gate 	cwd[ret] = '\0';
62*0Sstevel@tonic-gate 
63*0Sstevel@tonic-gate 	(void) printf("%d:\t%s\n", (int)p.pr_pid, cwd);
64*0Sstevel@tonic-gate 	return (0);
65*0Sstevel@tonic-gate }
66*0Sstevel@tonic-gate 
67*0Sstevel@tonic-gate int
main(int argc,char ** argv)68*0Sstevel@tonic-gate main(int argc, char **argv)
69*0Sstevel@tonic-gate {
70*0Sstevel@tonic-gate 	int retc = 0;
71*0Sstevel@tonic-gate 
72*0Sstevel@tonic-gate 	if ((command = strrchr(argv[0], '/')) != NULL)
73*0Sstevel@tonic-gate 		command++;
74*0Sstevel@tonic-gate 	else
75*0Sstevel@tonic-gate 		command = argv[0];
76*0Sstevel@tonic-gate 
77*0Sstevel@tonic-gate 	if (argc <= 1) {
78*0Sstevel@tonic-gate 		(void) fprintf(stderr, "usage:\t%s pid ...\n", command);
79*0Sstevel@tonic-gate 		(void) fprintf(stderr, "  (show process working directory)\n");
80*0Sstevel@tonic-gate 	}
81*0Sstevel@tonic-gate 
82*0Sstevel@tonic-gate 	while (--argc >= 1)
83*0Sstevel@tonic-gate 		retc += show_cwd(*++argv);
84*0Sstevel@tonic-gate 
85*0Sstevel@tonic-gate 	return (retc);
86*0Sstevel@tonic-gate }
87