xref: /freebsd-src/usr.bin/procstat/procstat_penv.c (revision 5e3934b15a2741b2de6b217e77dc9d798d740804)

/*-
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 2020 Juraj Lutter <juraj@lutter.sk>
 * 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.
 */

#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"

void
procstat_pargs(struct procstat *procstat, struct kinfo_proc *kipp)
{
	int i;
	char **args;

	args = procstat_getargv(procstat, kipp, 0);

	xo_emit("{k:process_id/%d}:  {:command/%s/%s}\n", kipp->ki_pid,
	    kipp->ki_comm);

	if (args == NULL) {
		xo_emit("{d:args/-}\n");
	} else {
		for (i = 0; args[i] != NULL; i++) {
			xo_emit("{Ld:argv[}{Ld:/%d}{Ldwc:]}{l:argv/%s}\n",
			    i, args[i]);
		}
	}
}

void
procstat_penv(struct procstat *procstat, struct kinfo_proc *kipp)
{
	int i;
	char **envs;

	envs = procstat_getenvv(procstat, kipp, 0);

	xo_emit("{k:process_id/%d}:  {:command/%s/%s}\n", kipp->ki_pid,
	    kipp->ki_comm);

	if (envs == NULL) {
		xo_emit("{d:env/-}\n");
	} else {
		for (i = 0; envs[i] != NULL; i++) {
			xo_emit("{Ld:envp[}{Ld:/%d}{Ldwc:]}{l:envp/%s}\n",
			    i, envs[i]);
		}
	}
}