From 26f3e2800d53f1030782d768657ccb9b42f8b640 Mon Sep 17 00:00:00 2001
From: Gilles Peskine <Gilles.Peskine@arm.com>
Date: Tue, 13 Aug 2019 18:00:02 +0200
Subject: [PATCH] Honor MBEDTLS_CONFIG_FILE in fuzz tests

---
 programs/fuzz/onefile.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/programs/fuzz/onefile.c b/programs/fuzz/onefile.c
index 9e3986d6b7..c845149638 100644
--- a/programs/fuzz/onefile.c
+++ b/programs/fuzz/onefile.c
@@ -1,8 +1,15 @@
 #include <stdint.h>
 #include <stdlib.h>
 #include <stdio.h>
-// Get platform-specific definition
+
+/* This file doesn't use any Mbed TLS function, but grab config.h anyway
+ * in case it contains platform-specific #defines related to malloc or
+ * stdio functions. */
+#if !defined(MBEDTLS_CONFIG_FILE)
 #include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
 
 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);