libc
/* $Id$ */
/* Copyright (c) 2013-2017 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>
#include <stdarg.h>
/* stdarg */
static int _stdarg_error(char const * progname, char const * type);
static int _stdarg_int(char const * progname, ...);
static char const * _stdarg_str(char const * progname, ...);
static int _stdarg(char const * progname)
{
int ret = 0;
const int i = 37;
char const str[] = "Just a simple string.";
printf("%s: Testing va_arg()\n", progname);
if(_stdarg_int(progname, i) != i)
ret += _stdarg_error(progname, "int");
if(strcmp(_stdarg_str(progname, str), str) != 0)
ret += _stdarg_error(progname, "char const *");
return ret;
}
static int _stdarg_error(char const * progname, char const * type)
{
fprintf(stderr, "%s: %s: %s\n", progname, type, "Did not match");
return 1;
}
static int _stdarg_int(char const * progname, ...)
{
int ret;
va_list ap;
va_start(ap, progname);
ret = va_arg(ap, int);
va_end(ap);
return ret;
}
static char const * _stdarg_str(char const * progname, ...)
{
char const * ret;
va_list ap;
va_start(ap, progname);
ret = va_arg(ap, char const *);
va_end(ap);
return ret;
}
/* main */
int main(int argc, char * argv[])
{
int ret = 0;
(void) argc;
ret += _stdarg(argv[0]);
return (ret == 0) ? 0 : 2;
}