Platform abstraction layer for memory, printf and fprintf
diff --git a/include/polarssl/platform.h b/include/polarssl/platform.h
new file mode 100644
index 0000000..61b3119
--- /dev/null
+++ b/include/polarssl/platform.h
@@ -0,0 +1,88 @@
+/**
+ * \file platform.h
+ *
+ * \brief PolarSSL Platform abstraction layer
+ *
+ * Copyright (C) 2006-2014, Brainspark B.V.
+ *
+ * This file is part of PolarSSL (http://www.polarssl.org)
+ * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
+ *
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#ifndef POLARSSL_PLATFORM_H
+#define POLARSSL_PLATFORM_H
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if !defined(POLARSSL_CONFIG_OPTIONS)
+#define POLARSSL_PLATFORM_STD_PRINTF printf /**< Default printf to use */
+#define POLARSSL_PLATFORM_STD_FPRINTF fprintf /**< Default fprintf to use */
+#endif /* POLARSSL_CONFIG_OPTIONS */
+
+/*
+ * The function pointers for malloc and free
+ */
+#if defined(POLARSSL_MEMORY_C)
+#include "memory.h"
+#else
+#define polarssl_malloc malloc
+#define polarssl_free free
+#endif
+
+/*
+ * The function pointers for printf
+ */
+#if defined(POLARSSL_PLATFORM_PRINTF_ALT)
+extern int (*polarssl_printf)( const char *format, ... );
+
+/**
+ * \brief Set your own printf function pointer
+ *
+ * \param printf_func the printf function implementation
+ *
+ * \return 0
+ */
+int platform_set_printf( int (*printf_func)( const char *, ... ) );
+#else
+#define polarssl_printf printf
+#endif
+
+/*
+ * The function pointers for fprintf
+ */
+#if defined(POLARSSL_PLATFORM_FPRINTF_ALT)
+extern int (*polarssl_fprintf)( FILE *stream, const char *format, ... );
+
+int platform_set_fprintf( int (*fprintf_func)( FILE *stream, const char *,
+ ... ) );
+#else
+#define polarssl_fprintf fprintf
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* platform.h */