1 files changed, 83 insertions, 0 deletions
diff --git a/cpukit/libcsupport/src/malloc.c b/cpukit/libcsupport/src/malloc.c
new file mode 100644
index 0000000000..6bb77a4630
--- /dev/null
+++ b/cpukit/libcsupport/src/malloc.c
@@ -0,0 +1,83 @@
+/*
+ *  RTEMS Malloc Family Implementation
+ *
+ *
+ *  COPYRIGHT (c) 1989-2007.
+ *  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
+
+#ifdef RTEMS_NEWLIB
+#include <stdlib.h>
+#include <errno.h>
+
+#include "malloc_p.h"
+
+void *malloc(
+  size_t  size
+)
+{
+  void        *return_this;
+
+  MSBUMP(malloc_calls, 1);
+
+  /*
+   *  If some free's have been deferred, then do them now.
+   */
+  malloc_deferred_frees_process();
+
+  /*
+   * Validate the parameters
+   */
+  if ( !size )
+    return (void *) 0;
+
+  /*
+   *  Do not attempt to allocate memory if not in correct system state.
+   */
+  if ( _System_state_Is_up(_System_state_Get()) &&
+       !malloc_is_system_state_OK() )
+    return NULL;
+
+  /*
+   * Try to give a segment in the current heap if there is not
+   * enough space then try to grow the heap.
+   * If this fails then return a NULL pointer.
+   */
+
+  return_this = _Protected_heap_Allocate( RTEMS_Malloc_Heap, size );
+
+  if ( !return_this ) {
+    if (rtems_malloc_sbrk_helpers)
+      return_this = (*rtems_malloc_sbrk_helpers->extend)( size );
+    if ( !return_this ) {
+      errno = ENOMEM;
+      return (void *) 0;
+    }
+  }
+
+  /*
+   *  If the user wants us to dirty the allocated memory, then do it.
+   */
+  if ( rtems_malloc_dirty_helper )
+    (*rtems_malloc_dirty_helper)( return_this, size );
+
+  /*
+   *  If configured, update the statistics
+   */
+  if ( rtems_malloc_statistics_helpers )
+    (*rtems_malloc_statistics_helpers->at_malloc)(return_this);
+
+  return return_this;
+}
+
+#endif