diff options
Diffstat (limited to 'src/events/mouse_event.c')
| -rw-r--r-- | src/events/mouse_event.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/events/mouse_event.c b/src/events/mouse_event.c index 68e21bc..a2a97bb 100644 --- a/src/events/mouse_event.c +++ b/src/events/mouse_event.c @@ -224,13 +224,16 @@ dom_exception _dom_mouse_event_get_related_target(dom_mouse_event *evt, dom_exception _dom_mouse_event_get_modifier_state(dom_mouse_event *evt, dom_string *m, bool *state) { + const char *data; + size_t len; + if (m == NULL) { *state = false; return DOM_NO_ERR; } - const char *data = dom_string_data(m); - size_t len = dom_string_byte_length(m); + data = dom_string_data(m); + len = dom_string_byte_length(m); if (len == SLEN("AltGraph") && strncmp(data, "AltGraph", len) == 0) { *state = ((evt->modifier_state & DOM_MOD_ALT_GRAPH) != 0); |