tests: introduced unit test of gnutls_memset()tmp-memset-test

Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>

2 files changed, 77 insertions, 1 deletions

diff --git a/tests/Makefile.am b/tests/Makefile.am
index 9fedfd4dbf..8650676bca 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -109,7 +109,7 @@ ctests = mini-record-2 simple gc set_pkcs12_cred cert certuniqueid tls-neg-ext-k
 	 mini-cert-status rsa-psk global-init sec-params sign-verify-data \
 	 fips-test mini-global-load name-constraints x509-extensions \
 	 long-session-id mini-x509-callbacks-intr mini-dtls-lowmtu \
-	 crlverify mini-dtls-discard init_fds mini-record-failure \
+	 crlverify mini-dtls-discard init_fds mini-record-failure memset \
 	 tls-rehandshake-cert-2 custom-urls set_x509_key_mem set_x509_key_file \
 	 mini-chain-unsorted x509-verify-with-crl mini-dtls-mtu privkey-verify-broken \
 	 mini-dtls-record-asym key-import-export priority-set priority-set2 \
diff --git a/tests/memset.c b/tests/memset.c
new file mode 100644
index 0000000000..574df7caca
--- /dev/null
+++ b/tests/memset.c
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2017 Red Hat, Inc.
+ *
+ * Author: Nikos Mavrogiannopoulos
+ *
+ * This file is part of GnuTLS.
+ *
+ * GnuTLS is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GnuTLS is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <string.h>
+#include <stdint.h>
+#include <gnutls/gnutls.h>
+
+#include "utils.h"
+
+#define BUF_SIZE 128
+#define CHAR 0x0a
+
+void func1(void);
+void func2(void);
+
+static unsigned char *ptr;
+
+/* Checks whether gnutls_memset() call is being optimized
+ * out.
+ */
+
+void func1(void)
+{
+	unsigned char buf[BUF_SIZE];
+	ptr = buf;
+
+	gnutls_memset(buf, CHAR, sizeof(buf));
+}
+
+void func2(void)
+{
+	if (ptr[0] != CHAR || ptr[2] != CHAR || ptr[16] != CHAR)
+		fail("previous memset failed!\n");
+}
+
+void doit(void)
+{
+#if defined(__has_feature)
+#  if __has_feature(address_sanitizer)
+	exit(77);
+#  endif
+#endif
+
+#if __SANITIZE_ADDRESS__ == 1
+	exit(77);
+#endif
+
+	func1();
+	func2();
+	success("memset test succeeded\n");
+}