From ac74f39c031678ad91f673ac9c78db60b9abe660 Mon Sep 17 00:00:00 2001
From: veclavtalica <veclavtalica@poto.cafe>
Date: Mon, 7 Oct 2024 23:40:57 +0300
Subject: [PATCH] twn_text.c: discard empty inputs

---
 src/rendering/twn_text.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/rendering/twn_text.c b/src/rendering/twn_text.c
index c54d57b..71d0676 100644
--- a/src/rendering/twn_text.c
+++ b/src/rendering/twn_text.c
@@ -253,6 +253,9 @@ void draw_text(const char *string, Vec2 position, int height_px, Color color, co
 
     /* the original string might not be around by the time it's used, so copy it */
     size_t str_length = SDL_strlen(string) + 1;
+    if (str_length == 1)
+        /* empty string */
+        return;
     char *dup_string = string_arena_alloc(&string_arena, str_length);
     SDL_strlcpy(dup_string, string, str_length);