From 4064ede06c436c917a68a3ab9dc20cd28353294b Mon Sep 17 00:00:00 2001
From: nick black <dankamongmen@gmail.com>
Date: Wed, 23 Jun 2021 22:04:00 -0400
Subject: [PATCH] sprixel_auxiliary_vector: don't deref NULL on alloc failure

---
 src/lib/sprite.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/lib/sprite.c b/src/lib/sprite.c
index a3308c1be..fce682a03 100644
--- a/src/lib/sprite.c
+++ b/src/lib/sprite.c
@@ -213,6 +213,8 @@ uint8_t* sprixel_auxiliary_vector(const sprixel* s){
   // for now we just do two bytes per pixel. we ought squeeze the transparency
   // vector down to a bit per pixel, rather than a byte FIXME.
   uint8_t* ret = malloc(sizeof(*ret) * pixels * 2);
-  memset(ret, 0, sizeof(*ret) * pixels);
+  if(ret){
+    memset(ret, 0, sizeof(*ret) * pixels);
+  }
   return ret;
 }