1 files changed, 54 insertions, 0 deletions
diff --git a/cpukit/score/src/heapgetfreeinfo.c b/cpukit/score/src/heapgetfreeinfo.c
new file mode 100644
index 0000000000..406ed81d39
--- /dev/null
+++ b/cpukit/score/src/heapgetfreeinfo.c
@@ -0,0 +1,54 @@
+/**
+ * @file
+ *
+ * @ingroup ScoreHeap
+ *
+ * @brief Heap Handler implementation.
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2004.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  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
+
+#include <rtems/system.h>
+#include <rtems/score/sysstate.h>
+#include <rtems/score/heap.h>
+
+void _Heap_Get_free_information(
+  Heap_Control        *the_heap,
+  Heap_Information    *info
+)
+{
+  Heap_Block *the_block;
+  Heap_Block *const tail = _Heap_Free_list_tail(the_heap);
+
+  info->number = 0;
+  info->largest = 0;
+  info->total = 0;
+
+  for(the_block = _Heap_Free_list_first(the_heap);
+      the_block != tail;
+      the_block = the_block->next)
+  {
+    uint32_t const the_size = _Heap_Block_size(the_block);
+
+    /* As we always coalesce free blocks, prev block must have been used. */
+    _HAssert(_Heap_Is_prev_used(the_block));
+
+    info->number++;
+    info->total += the_size;
+    if ( info->largest < the_size )
+        info->largest = the_size;
+  }
+}