Merge pull request #968 from antonio-nino-diaz-arm/an/snprintf-alt
mbedtls: Don't use tf_snprintf if option not defined
diff --git a/drivers/auth/mbedtls/mbedtls_common.c b/drivers/auth/mbedtls/mbedtls_common.c
index 3799d41..e9aa409 100644
--- a/drivers/auth/mbedtls/mbedtls_common.c
+++ b/drivers/auth/mbedtls/mbedtls_common.c
@@ -9,6 +9,7 @@
/* mbed TLS headers */
#include <mbedtls/memory_buffer_alloc.h>
#include <mbedtls/platform.h>
+#include <mbedtls_config.h>
/*
* mbed TLS heap
@@ -31,8 +32,10 @@
/* Initialize the mbed TLS heap */
mbedtls_memory_buffer_alloc_init(heap, MBEDTLS_HEAP_SIZE);
+#ifdef MBEDTLS_PLATFORM_SNPRINTF_ALT
/* Use reduced version of snprintf to save space. */
mbedtls_platform_set_snprintf(tf_snprintf);
+#endif
ready = 1;
}