From 2d6303e311cc583720242308497d7f33028e0d7b Mon Sep 17 00:00:00 2001
From: Chris Cromer <chris@cromer.cl>
Date: Wed, 7 Jul 2021 00:00:31 -0400
Subject: [PATCH] check for failure on realloc

---
 src/loop.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/loop.c b/src/loop.c
index 15cdf18..443b5e0 100644
--- a/src/loop.c
+++ b/src/loop.c
@@ -30,6 +30,10 @@ static CleanArray clean;
  */
 void add_to_cleanup(void *data) {
     clean.array = realloc(clean.array, (clean.size + 1) * sizeof(void *));
+    if (clean.array == NULL) {
+        perror("realloc");
+        exit(EXIT_FAILURE);
+    }
     clean.array[clean.size++] = data;
 }