Fix crc validation

2 years ago · 0699fa5906
parent ab22567f65
commit 0699fa5906
1 changed files with 2 additions and 1 deletions
--- a/src/message.c
+++ b/src/message.c
@ -9,7 +9,8 @@ message_validate(const union Message* message) {
    if(message->header.crc != crc8(message, 3))
        return MESSAGEERR_HEADERCRC;

-    if(message->header.crc != crc16(message, length - sizeof(struct Footer)))
+    struct Footer* footer = (void*)message + length - sizeof(struct Footer);
+    if(footer->crc != crc16(message, length - sizeof(struct Footer)))
        return MESSAGEERR_FOOTERCRC;

    return MESSAGEERR_NONE;