add readme; name project (#4)

1 files changed, 4 insertions, 0 deletions

diff --git a/src/main.c b/src/main.c
index 086a093..758fc92 100644
--- a/src/main.c
+++ b/src/main.c
@@ -93,6 +93,10 @@ int main(void)
 
     display_t *disp = display_init();
 
+    if (!disp) {
+        return EXIT_FAILURE;
+    }
+
     // create the map
     struct map map;
     create_cave(&map);