From 0e1d81e63fb5058391ba7fcefd40a50f6fc8bd7b Mon Sep 17 00:00:00 2001
From: David Garske <david@wolfssl.com>
Date: Fri, 2 Aug 2019 06:16:41 -0700
Subject: [PATCH] Added ability to define your own `XATOI`

---
 wolfssl/wolfcrypt/types.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/wolfssl/wolfcrypt/types.h b/wolfssl/wolfcrypt/types.h
index 6e96dd27c..16cc20f14 100644
--- a/wolfssl/wolfcrypt/types.h
+++ b/wolfssl/wolfcrypt/types.h
@@ -485,8 +485,10 @@
             defined(HAVE_CRL_IO) || defined(HAVE_HTTP_CLIENT) || \
             !defined(NO_CRYPT_BENCHMARK)
 
-            #include <stdlib.h>
-            #define XATOI(s)          atoi((s))
+            #ifndef XATOI /* if custom XATOI is not already defined */
+                #include <stdlib.h>
+                #define XATOI(s)          atoi((s))
+            #endif
         #endif
     #endif