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/*-
* 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 char args[ARG_MAX];
static void
do_args(struct kinfo_proc *kipp, int env)
{
int error, name[4];
size_t len;
char *cp;
if (!hflag)
printf("%5s %-16s %-53s\n", "PID", "COMM",
env ? "ENVIRONMENT" : "ARGS");
name[0] = CTL_KERN;
name[1] = KERN_PROC;
name[2] = env ? KERN_PROC_ENV : KERN_PROC_ARGS;
name[3] = kipp->ki_pid;
len = sizeof(args);
error = sysctl(name, 4, args, &len, NULL, 0);
if (error < 0 && errno != ESRCH && errno != EPERM) {
warn("sysctl: kern.proc.%s: %d: %d", env ? "env" : "args",
kipp->ki_pid, errno);
return;
}
if (error < 0)
return;
if (len == 0 || strlen(args) == 0) {
strcpy(args, "-");
len = strlen(args) + 1;
}
printf("%5d ", kipp->ki_pid);
printf("%-16s ", kipp->ki_comm);
for (cp = args; cp < args + len; cp += strlen(cp) + 1)
printf("%s%s", cp != args ? " " : "", cp);
printf("\n");
}
void
procstat_args(struct kinfo_proc *kipp)
{
do_args(kipp, 0);
}
void
procstat_env(struct kinfo_proc *kipp)
{
do_args(kipp, 1);
}
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