From 90a72f27d5f724b496525b54a5d9f99cdcecbb9c Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel@rtems.org>
Date: Thu, 17 Jun 2021 16:48:47 -0500
Subject: [PATCH] newlib/doc/makedoc.c: if realloc() fails, exit with an error
 message.

---
 newlib/doc/makedoc.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/newlib/doc/makedoc.c b/newlib/doc/makedoc.c
index 966349c51..81aa6f941 100644
--- a/newlib/doc/makedoc.c
+++ b/newlib/doc/makedoc.c
@@ -135,6 +135,11 @@ catchar (string_type *buffer, char ch)
   {
     buffer->size *=2;
     buffer->ptr = realloc(buffer->ptr, buffer->size);
+    if (!buffer->ptr)
+    {
+      fprintf(stderr,"Can't allocate memory\n");
+      exit(1);
+    }
   }
 
   buffer->ptr[buffer->write_idx ++ ] = ch;
-- 
2.43.5