fix use-after-free in parse_command_line()

---
 src/dwb.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

1 files changed, 5 insertions, 1 deletions

diff --git a/src/dwb.c b/src/dwb.c
index a3c3cf24..e7239722 100644
--- a/src/dwb.c
+++ b/src/dwb.c
@@ -3813,10 +3813,14 @@ dwb_parse_command_line(const char *line) {
   char **token = g_strsplit(bak, " ", 2);
   KeyMap *m = NULL;
   gboolean found;
+  gboolean has_arg = false;
 
   if (!token[0]) 
     return STATUS_OK;
 
+  if (token[1])
+    has_arg = true;
+
   for (GList *l = dwb.keymap; l; l=l->next) {
     bak = token[0];
     found = false;
@@ -3858,7 +3862,7 @@ dwb_parse_command_line(const char *line) {
     return ret;
   if (m->map->prop & CP_HAS_MODE)
     return STATUS_OK;
-  if (!(m->map->prop & CP_DONT_CLEAN) || (m->map->prop & CP_NEEDS_ARG && (token[1] != NULL)) ) {
+  if (!(m->map->prop & CP_DONT_CLEAN) || (m->map->prop & CP_NEEDS_ARG && has_arg) ) {
     dwb_change_mode(NORMAL_MODE, dwb.state.message_id == 0);
   }
   return ret;