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freebsd/usr.bin/procstat/procstat_args.c
Robert Watson e1f323f350 Include param.h instead of types.h before user.h so that the nested
include of param.h can be removed from audit.h.

MFC after:	3 weeks
2008-12-29 18:58:22 +00:00

77 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 <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "procstat.h"
static char args[ARG_MAX];
void
procstat_args(pid_t pid, struct kinfo_proc *kipp)
{
int error, name[4];
size_t len;
char *cp;
if (!hflag)
printf("%5s %-16s %-53s\n", "PID", "COMM", "ARGS");
name[0] = CTL_KERN;
name[1] = KERN_PROC;
name[2] = KERN_PROC_ARGS;
name[3] = pid;
len = sizeof(args);
error = sysctl(name, 4, args, &len, NULL, 0);
if (error < 0 && errno != ESRCH) {
warn("sysctl: kern.proc.args: %d", pid);
return;
}
if (error < 0)
return;
if (len == 0 || strlen(args) == 0) {
strcpy(args, "-");
len = strlen(args) + 1;
}
printf("%5d ", pid);
printf("%-16s ", kipp->ki_comm);
for (cp = args; cp < args + len; cp += strlen(cp) + 1)
printf("%s%s", cp != args ? " " : "", cp);
printf("\n");
}