db_games_find(): Check scandir() return value

Fixes a bad calloc() if the games directory is empty or not found.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/game.c b/src/game.c
index 2bf99c5..d136005 100644
--- a/src/game.c
+++ b/src/game.c
@@ -37,6 +37,12 @@ db_games_find(const char *games_dir, char ***games)
 	int             i;
 
 	n = scandir(games_dir, &entries, &_db_game_is_dir, alphasort);
+	if (n < 0) {
+		db_err("Failed to scan games directory");
+		return -1;
+	} else if (n == 0) {
+		return 0;
+	}
 
 	*games = calloc(n, sizeof(**games));
 	if (*games == NULL) {