commands/move: Fix crash when required args not provided

Fixes #4919.
2020-01-18 17:57:11 +09:00 · 2020-01-18 17:57:11 +09:00 · 3bc209fc9d
parent 0bc8d01b1c
commit 3bc209fc9d
1 changed files with 8 additions and 2 deletions
--- a/sway/commands/move.c
+++ b/sway/commands/move.c
@ -923,11 +923,17 @@ struct cmd_results *cmd_move(int argc, char **argv) {

 	if (strcasecmp(argv[0], "window") == 0 ||
 			strcasecmp(argv[0], "container") == 0) {
-		--argc; ++argv;
+		--argc;
+		if (argc > 0) {
+			++argv;
+		}
 	}

 	if (strcasecmp(argv[0], "to") == 0) {
-		--argc; ++argv;
+		--argc;
+		if (argc > 0) {
+			++argv;
+		}
 	}

 	if (!argc) {