Do not crash when handling the command 'move position'

Sway expected 'move position' to be 'move position mouse'. If mouse is not
present in the command, Sway crashes.

1 files changed, 8 insertions, 1 deletions

diff --git a/sway/commands.c b/sway/commands.c
index 73f245c1..1dec9889 100644
--- a/sway/commands.c
+++ b/sway/commands.c
@@ -1115,7 +1115,14 @@ static struct cmd_results *cmd_move(int argc, char **argv) {
                         focused = swayc_active_workspace();
                 }
                 set_focused_container(focused);
-        } else if (strcasecmp(argv[0], "position") == 0 && strcasecmp(argv[1], "mouse") == 0) {
+        } else if (strcasecmp(argv[0], "position") == 0) {
+                if ((error = checkarg(argc, "move workspace", EXPECTED_EQUAL_TO, 2))) {
+                        return error;
+                }
+                if (strcasecmp(argv[1], "mouse")) {
+                        return cmd_results_new(CMD_INVALID, "move", expected_syntax);
+                }
+
                 if (view->is_floating) {
                         swayc_t *output = swayc_parent_by_type(view, C_OUTPUT);
                         struct wlc_geometry g;