xref: /freebsd/contrib/netbsd-tests/kernel/h_ps_strings2.c (revision f81cdf24ba5436367377f7c8e8f51f6df2a75ca7)
1 /*	$NetBSD: h_ps_strings2.c,v 1.1 2011/03/05 18:14:33 pgoyette Exp $	*/
2 /*-
3  * Copyright (c) 2011 The NetBSD Foundation, Inc.
4  * All rights reserved.
5  *
6  * This code is derived from software contributed to The NetBSD Foundation
7  * by Joerg Sonnenberger.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in
17  *    the documentation and/or other materials provided with the
18  *    distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
24  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
26  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
28  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
30  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 #include <sys/types.h>
35 #include <sys/exec.h>
36 #include <err.h>
37 #include <limits.h>
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <string.h>
41 #include <unistd.h>
42 
43 #define	LEN	16384
44 
45 extern struct ps_strings *__ps_strings;
46 
47 int
48 main(void)
49 {
50 	size_t i;
51 	char buf[16];
52 	char **argv;
53 
54 	if ((argv = calloc(LEN, sizeof(*argv))) == NULL)
55 		errx(1, "calloc failed");
56 	for (i = 0; i < LEN; ++i) {
57 		snprintf(buf, sizeof(buf), "arg%04zx", i);
58 		if ((argv[i] = strdup(buf)) == NULL)
59 			errx(1, "strdup failed");
60 	}
61 	__ps_strings->ps_argvstr = argv;
62 	__ps_strings->ps_nargvstr = LEN;
63 
64 	printf("Sleeping forever...\n");
65 	do {
66 		sleep(UINT_MAX);
67 	} while /* CONSTCOND */ (1);
68 	return 0;
69 }
70