Blame tests/memset.c

Packit 549fdc
/*
Packit 549fdc
 * Copyright (C) 2017 Red Hat, Inc.
Packit 549fdc
 *
Packit 549fdc
 * Author: Nikos Mavrogiannopoulos
Packit 549fdc
 *
Packit 549fdc
 * This file is part of GnuTLS.
Packit 549fdc
 *
Packit 549fdc
 * GnuTLS is free software; you can redistribute it and/or modify it
Packit 549fdc
 * under the terms of the GNU General Public License as published by
Packit 549fdc
 * the Free Software Foundation; either version 3 of the License, or
Packit 549fdc
 * (at your option) any later version.
Packit 549fdc
 *
Packit 549fdc
 * GnuTLS is distributed in the hope that it will be useful, but
Packit 549fdc
 * WITHOUT ANY WARRANTY; without even the implied warranty of
Packit 549fdc
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Packit 549fdc
 * General Public License for more details.
Packit 549fdc
 *
Packit 549fdc
 * You should have received a copy of the GNU Lesser General Public License
Packit 549fdc
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
Packit 549fdc
 */
Packit 549fdc
Packit 549fdc
#ifdef HAVE_CONFIG_H
Packit 549fdc
#include <config.h>
Packit 549fdc
#endif
Packit 549fdc
Packit 549fdc
#include <stdio.h>
Packit 549fdc
#include <stdlib.h>
Packit 549fdc
Packit 549fdc
#include <string.h>
Packit 549fdc
#include <stdint.h>
Packit 549fdc
#include <gnutls/gnutls.h>
Packit 549fdc
Packit 549fdc
#include "utils.h"
Packit 549fdc
Packit 549fdc
#define BUF_SIZE 128
Packit 549fdc
#define CHAR 0x0a
Packit 549fdc
Packit 549fdc
void func1(void);
Packit 549fdc
void func2(void);
Packit 549fdc
Packit 549fdc
static unsigned char *ptr;
Packit 549fdc
Packit 549fdc
/* Checks whether gnutls_memset() call is being optimized
Packit 549fdc
 * out.
Packit 549fdc
 */
Packit 549fdc
Packit 549fdc
void func1(void)
Packit 549fdc
{
Packit 549fdc
	unsigned char buf[BUF_SIZE];
Packit 549fdc
	ptr = buf;
Packit 549fdc
Packit 549fdc
	gnutls_memset(buf, CHAR, sizeof(buf));
Packit 549fdc
}
Packit 549fdc
Packit 549fdc
void func2(void)
Packit 549fdc
{
Packit 549fdc
	if (ptr[0] != CHAR || ptr[2] != CHAR || ptr[16] != CHAR)
Packit 549fdc
		fail("previous memset failed!\n");
Packit 549fdc
}
Packit 549fdc
Packit 549fdc
void doit(void)
Packit 549fdc
{
Packit 549fdc
#if defined(__has_feature)
Packit 549fdc
#  if __has_feature(address_sanitizer)
Packit 549fdc
	exit(77);
Packit 549fdc
#  endif
Packit 549fdc
#endif
Packit 549fdc
Packit 549fdc
#if __SANITIZE_ADDRESS__ == 1
Packit 549fdc
	exit(77);
Packit 549fdc
#endif
Packit 549fdc
Packit 549fdc
	func1();
Packit 549fdc
	func2();
Packit 549fdc
	success("memset test succeeded\n");
Packit 549fdc
}