tests/kernel/h_ps_strings1.c

   1 /*      $NetBSD: h_ps_strings1.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 <stdlib.h>
  37 #include <unistd.h>
  38
  39 extern struct ps_strings *__ps_strings;
  40
  41 int
  42 main(int argc, char **argv, char **environ)
  43 {
  44         int ret = 0;
  45         int nenv;
  46
  47         if (__ps_strings->ps_nargvstr != argc) {
  48                 static const char nargv_err[] = "Wrong argc in ps_strings";
  49                 write(STDOUT_FILENO, nargv_err, sizeof(nargv_err));
  50                 ret = 1;
  51         }
  52
  53         if (__ps_strings->ps_argvstr != argv) {
  54                 static const char argv_err[] = "Wrong argv in ps_strings";
  55                 write(STDOUT_FILENO, argv_err, sizeof(argv_err));
  56                 ret = 1;
  57         }
  58
  59         if (__ps_strings->ps_envstr != environ) {
  60                 static const char env_err[] = "Wrong env in ps_strings";
  61                 write(STDOUT_FILENO, env_err, sizeof(env_err));
  62                 ret = 1;
  63         }
  64         nenv = 0;
  65         while (environ[nenv])
  66                 ++nenv;
  67         if (__ps_strings->ps_nenvstr != nenv) {
  68                 static const char nenv_err[] = "Wrong nenv in ps_strings";
  69                 write(STDOUT_FILENO, nenv_err, sizeof(nenv_err));
  70                 ret = 1;
  71         }
  72
  73         return ret;
  74 }