Encode b == NULL or blen == 0 as zero.

PR#3904 Reviewed-by: Rich Salz <[email protected]>
bnedu · Jun 13, 2015 · f2dc4d5 · f2dc4d5
1 parent 1ae3fdb
commit f2dc4d5
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/crypto/asn1/a_int.c b/crypto/asn1/a_int.c
@@ -158,8 +158,8 @@ static size_t i2c_ibuf(const unsigned char *b, size_t blen, int neg,
 
     if (pad)
         *(p++) = pb;
-    if (blen == 0)
-        *(p++) = 0;
+    if (b == NULL || blen == 0)
+        *p = 0;
     else if (!neg)
         memcpy(p, b, blen);
     else {