commit 291df7bbaba646d88ca578a6ef563218debaff52
author Gabor Mezei <gabor.mezei@arm.com> Tue Oct 19 11:27:17 2021 +0200
committer Gabor Mezei <gabor.mezei@arm.com> Tue Oct 19 11:27:17 2021 +0200
tree b3390879f540a75beac7174459e3dd2b2105d5c5
parent e212379810a2b46b6d0baaacd8f44b01ed2f2a38

Add macro guard	for header file

Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>

library/constant_time.h

diff --git a/library/constant_time.h b/library/constant_time.h
index a055c6a..010cfad 100644
--- a/library/constant_time.h
+++ b/library/constant_time.h
@@ -17,6 +17,9 @@
  *  limitations under the License.
  */
 
+#ifndef MBEDTLS_CONSTANT_TIME_INTERNAL_H
+#define MBEDTLS_CONSTANT_TIME_INTERNAL_H
+
 #include "common.h"
 
 #if defined(MBEDTLS_BIGNUM_C)
@@ -305,3 +308,5 @@
                                           size_t *olen );
 
 #endif /* MBEDTLS_PKCS1_V15 && MBEDTLS_RSA_C && ! MBEDTLS_RSA_ALT */
+
+#endif /* MBEDTLS_CONSTANT_TIME_INTERNAL_H */