fix

ricardobranco777 · Feb 18, 2024 · 356211c · 356211c
1 parent 7bbd5b2
commit 356211c
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/wol.c b/wol.c
@@ -16,13 +16,14 @@
 static void
 wake_on_lan(const char *mac_address) {
 	char payload[102];
-	int mac[6];
+	uint8_t mac[6];
 
-	sscanf(mac_address, "%2x%2x%2x%2x%2x%2x", &mac[0], &mac[1], &mac[2], &mac[3], &mac[4], &mac[5]);
+	(void) sscanf(mac_address, "%2hhx%2hhx%2hhx%2hhx%2hhx%2hhx",
+		&mac[0], &mac[1], &mac[2], &mac[3], &mac[4], &mac[5]);
 
 	memset(payload, 0xFF, 6);
 	for (unsigned int i = 6; i < sizeof(payload); i += 6)
-		memcpy(payload + i, mac, sizeof(mac));
+		memcpy(payload + i, mac, 6);
 
 	struct sockaddr_in sa;
 	sa.sin_family = AF_INET;
@@ -71,4 +72,3 @@ main(int argc, char *argv[]) {
 	regfree(&regex);
 	return (0);
 }
-