From ee5c45399e86e4639b8b1426131aa7e9bfe87163 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Al=D0=B5x=D0=B0nder=20Lysik=D0=BEv?=
<alexander.lysikov@demlabs.net>
Date: Wed, 10 Jul 2019 22:14:31 +0500
Subject: [PATCH] fix a few potential bugs
---
dap_hash.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/dap_hash.c b/dap_hash.c
index 72dc340..50f23f2 100755
--- a/dap_hash.c
+++ b/dap_hash.c
@@ -38,6 +38,8 @@ int dap_hash_fast(const void *a_data_in, size_t a_data_in_size, dap_chain_hash_f
bool dap_hash_fast_is_blank(dap_chain_hash_fast_t *a_hash)
{
+ if(!a_hash)
+ return true;
uint8_t *l_hast_bytes = (uint8_t*) a_hash;
for(size_t i = 0; i < sizeof(dap_chain_hash_fast_t); i++) {
if(l_hast_bytes[i])
@@ -48,6 +50,8 @@ bool dap_hash_fast_is_blank(dap_chain_hash_fast_t *a_hash)
bool dap_hash_fast_compare(dap_chain_hash_fast_t *a_hash1, dap_chain_hash_fast_t *a_hash2)
{
+ if(!a_hash1 || !a_hash2)
+ return false;
if(!memcmp(a_hash1, a_hash2, sizeof(dap_chain_hash_fast_t)))
return true;
return false;
--
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