From 60abe24450a8d02b0a0f85c40190f26472fb5ab8 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Tue, 16 Mar 2021 09:38:37 -0400
Subject: db_games_find(): Check scandir() return value

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