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fix(split): Fix an off-by-one error in split svc. 

* Properly check end of behavior device string for null terminator.
This commit is contained in:
Peter Johanson 2022-01-30 05:32:12 +00:00 committed by Pete Johanson
parent dbefe92ea0
commit b8700eaaa1
1 changed files with 1 additions and 1 deletions
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2
app/src/split/bluetooth/service.c
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@ -52,7 +52,7 @@ static ssize_t split_svc_run_behavior(struct bt_conn *conn, const struct bt_gatt
// 1: We've gotten all the position/state/param data.
// 2: We have a null terminated string for the behavior device label.
if ((end_addr > sizeof(struct zmk_split_run_behavior_data)) &&
payload->behavior_dev[end_addr - sizeof(struct zmk_split_run_behavior_data)] == '\0') {
payload->behavior_dev[end_addr - sizeof(struct zmk_split_run_behavior_data) - 1] == '\0') {
struct zmk_behavior_binding binding = {
.param1 = payload->data.param1,
.param2 = payload->data.param2,