tests/kernel/h_ps_strings2.c

   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 }