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      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 }
     75