xref: /freebsd/usr.bin/procstat/procstat_args.c (revision 8d20be1e22095c27faf8fe8b2f0d089739cc742e)
1 /*-
2  * Copyright (c) 2007 Robert N. M. Watson
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #include <sys/param.h>
30 #include <sys/sysctl.h>
31 #include <sys/user.h>
32 
33 #include <err.h>
34 #include <errno.h>
35 #include <libprocstat.h>
36 #include <limits.h>
37 #include <stdio.h>
38 #include <stdlib.h>
39 #include <string.h>
40 
41 #include "procstat.h"
42 
43 static void
44 do_args(struct procstat *procstat, struct kinfo_proc *kipp, int env)
45 {
46 	int i;
47 	char **args;
48 
49 	if (!hflag) {
50 		printf("%5s %-16s %-53s\n", "PID", "COMM",
51 		    env ? "ENVIRONMENT" : "ARGS");
52 	}
53 
54 	args = env ? procstat_getenvv(procstat, kipp, 0) :
55 	    procstat_getargv(procstat, kipp, 0);
56 
57 	printf("%5d %-16s", kipp->ki_pid, kipp->ki_comm);
58 
59 	if (args == NULL) {
60 		printf(" -\n");
61 		return;
62 	}
63 
64 	for (i = 0; args[i] != NULL; i++)
65 		printf(" %s", args[i]);
66 	printf("\n");
67 }
68 
69 void
70 procstat_args(struct procstat *procstat, struct kinfo_proc *kipp)
71 {
72 	do_args(procstat, kipp, 0);
73 }
74 
75 void
76 procstat_env(struct procstat *procstat, struct kinfo_proc *kipp)
77 {
78 	do_args(procstat, kipp, 1);
79 }
80