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nimble/ll: Null-terminate string in vs_printf HCI event

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This allows app on host to simply print the contents of event.
This commit is contained in:
Andrzej Kaczmarek
2024-10-18 17:39:40 +02:00
parent 5191a4eeea
commit 7ae1910cdc
1 changed files with 5 additions and 2 deletions
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nimble/controller/src/ble_ll_hci_ev.c
+5 -2
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@@ -618,6 +618,7 @@ ble_ll_hci_ev_send_vs_printf(uint8_t id, const char *fmt, ...)
struct ble_hci_ev_vs *ev;
struct ble_hci_ev *hci_ev;
va_list ap;
int len;
hci_ev = ble_transport_alloc_evt(1);
if (!hci_ev) {
@@ -631,10 +632,12 @@ ble_ll_hci_ev_send_vs_printf(uint8_t id, const char *fmt, ...)
ev->id = id;
va_start(ap, fmt);
hci_ev->length += vsnprintf((void *)ev->data,
BLE_HCI_MAX_DATA_LEN - sizeof(*ev), fmt, ap);
len = vsnprintf((void *)ev->data, BLE_HCI_MAX_DATA_LEN - sizeof(*ev), fmt, ap);
va_end(ap);
ev->data[len] = 0;
hci_ev->length += len + 1;
ble_ll_hci_event_send(hci_ev);
}