libc

/* $Id$ */
/* Copyright (c) 2012-2015 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS System libc */
/* 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 COPYRIGHT HOLDERS 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 COPYRIGHT
* HOLDER 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 <stdio.h>
#include <string.h>
extern char ** environ;
/* usage */
static int _usage(void)
{
fputs("Usage: start arg1 arg2\n", stderr);
return 1;
}
/* main */
int main(int argc, char * argv[], char * envp[])
{
int ret = 0;
size_t len;
int i;
char const * sep;
if(argc != 3)
return _usage();
printf("%s: %s\n", argv[0], "Testing arguments:");
if(argv == NULL)
ret |= 1;
else if((len = strlen(argv[0])) < 6
|| strcmp(&argv[0][len - 6], "/start") != 0)
ret |= 2;
else if(strcmp(argv[1], "argv1") != 0)
ret |= 4;
else if(strcmp(argv[2], "argv2") != 0)
ret |= 8;
else if(argv[3] != NULL)
ret |= 16;
else
{
for(i = 0, sep = ""; i < argc; i++)
{
printf("%s%d: %s", sep, i, argv[i]);
sep = ", ";
}
putchar('\n');
}
printf("%s: %s\n", argv[0], "Testing the environment");
if(envp == NULL || environ == NULL)
ret |= 32;
else
for(i = 0; envp[i] != NULL && environ[i] != NULL; i++)
if(strcmp(envp[i], environ[i]) != 0)
ret |= 64;
return ret;
}