safe_memset: allow memset of zero bytes.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/gstr.h b/lib/gstr.h
index 34e8153..00c335c 100644
--- a/lib/gstr.h
+++ b/lib/gstr.h
@@ -36,7 +36,7 @@ void safe_memset(void *data, int c, size_t size)
 	 * sent by David Jacobson in the openssl-dev mailing list.
 	 */
 
-	do {
+	if (size > 0) do {
 		memset(data, c, size);
 	} while(vdata[volatile_zero] != c);
 }