freebsd-skq/usr.bin/procstat/procstat_args.c
trociny 5a7b01c81a Use libprocstat(3) to retrieve process command line arguments and
environment variables.

MFC after:	1 month
2013-04-20 08:08:29 +00:00

80 lines
2.3 KiB
C

/*-
* Copyright (c) 2007 Robert N. M. Watson
* 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.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/sysctl.h>
#include <sys/user.h>
#include <err.h>
#include <errno.h>
#include <libprocstat.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "procstat.h"
static void
do_args(struct procstat *procstat, struct kinfo_proc *kipp, int env)
{
int i;
char **args;
if (!hflag) {
printf("%5s %-16s %-53s\n", "PID", "COMM",
env ? "ENVIRONMENT" : "ARGS");
}
args = env ? procstat_getenvv(procstat, kipp, 0) :
procstat_getargv(procstat, kipp, 0);
printf("%5d %-16s", kipp->ki_pid, kipp->ki_comm);
if (args == NULL) {
printf(" -\n");
return;
}
for (i = 0; args[i] != NULL; i++)
printf(" %s", args[i]);
printf("\n");
}
void
procstat_args(struct procstat *procstat, struct kinfo_proc *kipp)
{
do_args(procstat, kipp, 0);
}
void
procstat_env(struct procstat *procstat, struct kinfo_proc *kipp)
{
do_args(procstat, kipp, 1);
}