2011-02-17 Sebastian Huber <sebastian.huber@embedded-brains.de>

	* libcsupport/src/rtems_heap_extend.c: New file.
	* libcsupport/Makefile.am: Reflect change from above.
	* libcsupport/include/rtems/malloc.h: Declare rtems_heap_extend().
	* score/include/rtems/score/heap.h: Documentation.

1 files changed, 45 insertions, 0 deletions

diff --git a/cpukit/libcsupport/src/rtems_heap_extend.c b/cpukit/libcsupport/src/rtems_heap_extend.c
new file mode 100644
index 0000000000..5916852278
--- /dev/null
+++ b/cpukit/libcsupport/src/rtems_heap_extend.c
@@ -0,0 +1,45 @@
+/**
+ * @file
+ *
+ * @ingroup libcsupport
+ *
+ * @brief rtems_heap_extend() implementation.
+ */
+
+/*
+ * Copyright (c) 2011 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Obere Lagerstr. 30
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ *
+ * $Id$
+ */
+
+#if HAVE_CONFIG_H
+  #include "config.h"
+#endif
+
+#ifdef RTEMS_NEWLIB
+#include "malloc_p.h"
+
+rtems_status_code rtems_heap_extend(
+  void *area_begin,
+  uintptr_t area_size
+)
+{
+  bool ok = _Protected_heap_Extend(RTEMS_Malloc_Heap, area_begin, area_size);
+
+  if (ok) {
+    return RTEMS_SUCCESSFUL;
+  } else {
+    return RTEMS_INVALID_ADDRESS;
+  }
+}
+#endif /* RTEMS_NEWLIB */