cppcheck sliencing

[exim.git] / src / src / hash.c

diff --git a/src/src/hash.c b/src/src/hash.c
index 10af1b43d5bcc828cd9c5331bce1f1269996299b..95860fc505cf0a5bd1660ab6969bbcdfcb1ac856 100644 (file)
--- a/src/src/hash.c
+++ b/src/src/hash.c
@@ -408,7 +408,7 @@ Returns:    nothing
 */
 
 static void
-native_sha1_end(sha1 *base, const uschar *text, int length, uschar *digest)
+native_sha1_end(sha1 * base, const uschar * text, int length, uschar * digest)
 {
 uschar work[64];
 
@@ -426,7 +426,7 @@ out to 64, process it, and then set up the final chunk as 56 bytes of
 padding. If it has less than 56 bytes, we pad it out to 56 bytes as the
 final chunk. */
 
-memcpy(work, text, length);
+if (length) memcpy(work, text, length);
 work[length] = 0x80;
 
 if (length > 55)