From 8fcefce793d93707e2cce931953019fa12d9e5ca Mon Sep 17 00:00:00 2001
From: Aaron Cook <aarongregorycook@gmail.com>
Date: Sun, 18 Dec 2022 03:06:15 -0600
Subject: [PATCH] Add support for client cancel XModem

---
 src/xmodem.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/xmodem.c b/src/xmodem.c
index e004422..8edc8e9 100644
--- a/src/xmodem.c
+++ b/src/xmodem.c
@@ -115,6 +115,8 @@ xmodem_send(
 
             if (recv_char == XMODEM_ACK) {
                 break;
+            } else if (recv_char == XMODEM_CAN) {
+                return XMODEM_ERR_CANCEL;
             }
 
             retries++;