Use `memmove` for overlapping copies in RGB/LED matrix last-hit tracker (#26306)

Use memmove for overlapping copies in RGB/LED matrix last-hit tracker

quantum/led_matrix/led_matrix.c

@@ -200,10 +200,10 @@ void led_matrix_handle_key_event(uint8_t row, uint8_t col, bool pressed) {
     }
 
     if (last_hit_buffer.count + led_count > LED_HITS_TO_REMEMBER) {
-        memcpy(&last_hit_buffer.x[0], &last_hit_buffer.x[led_count], LED_HITS_TO_REMEMBER - led_count);
-        memcpy(&last_hit_buffer.y[0], &last_hit_buffer.y[led_count], LED_HITS_TO_REMEMBER - led_count);
-        memcpy(&last_hit_buffer.tick[0], &last_hit_buffer.tick[led_count], (LED_HITS_TO_REMEMBER - led_count) * 2); // 16 bit
-        memcpy(&last_hit_buffer.index[0], &last_hit_buffer.index[led_count], LED_HITS_TO_REMEMBER - led_count);
+        memmove(&last_hit_buffer.x[0], &last_hit_buffer.x[led_count], LED_HITS_TO_REMEMBER - led_count);
+        memmove(&last_hit_buffer.y[0], &last_hit_buffer.y[led_count], LED_HITS_TO_REMEMBER - led_count);
+        memmove(&last_hit_buffer.tick[0], &last_hit_buffer.tick[led_count], (LED_HITS_TO_REMEMBER - led_count) * 2); // 16 bit
+        memmove(&last_hit_buffer.index[0], &last_hit_buffer.index[led_count], LED_HITS_TO_REMEMBER - led_count);
         last_hit_buffer.count = LED_HITS_TO_REMEMBER - led_count;
     }
 

quantum/rgb_matrix/rgb_matrix.c

@@ -213,10 +213,10 @@ void rgb_matrix_handle_key_event(uint8_t row, uint8_t col, bool pressed) {
     }
 
     if (last_hit_buffer.count + led_count > LED_HITS_TO_REMEMBER) {
-        memcpy(&last_hit_buffer.x[0], &last_hit_buffer.x[led_count], LED_HITS_TO_REMEMBER - led_count);
-        memcpy(&last_hit_buffer.y[0], &last_hit_buffer.y[led_count], LED_HITS_TO_REMEMBER - led_count);
-        memcpy(&last_hit_buffer.tick[0], &last_hit_buffer.tick[led_count], (LED_HITS_TO_REMEMBER - led_count) * 2); // 16 bit
-        memcpy(&last_hit_buffer.index[0], &last_hit_buffer.index[led_count], LED_HITS_TO_REMEMBER - led_count);
+        memmove(&last_hit_buffer.x[0], &last_hit_buffer.x[led_count], LED_HITS_TO_REMEMBER - led_count);
+        memmove(&last_hit_buffer.y[0], &last_hit_buffer.y[led_count], LED_HITS_TO_REMEMBER - led_count);
+        memmove(&last_hit_buffer.tick[0], &last_hit_buffer.tick[led_count], (LED_HITS_TO_REMEMBER - led_count) * 2); // 16 bit
+        memmove(&last_hit_buffer.index[0], &last_hit_buffer.index[led_count], LED_HITS_TO_REMEMBER - led_count);
         last_hit_buffer.count = LED_HITS_TO_REMEMBER - led_count;
     }