--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmplugins/lib3gp/impl/src/memwrap.cpp	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,143 @@
+// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#include <3gplibrary/mp4config.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+/*
+ * Function:
+ *
+ *   void *mp4malloc(size_t size)
+ *
+ * Description:
+ *
+ *   This is a wrapper for standard C library function calloc.
+ *
+ * Parameters:
+ *
+ *   size   Size of memory block to be allocated.
+ *
+ * Return value:
+ *
+ *   See calloc.
+ *
+ */
+void *mp4malloc(size_t size)
+	{
+	TInt sizex = size;
+  
+	if ( sizex <= 0 || sizex >= KMaxTInt/2 )
+		{
+		return NULL;    // calloc will panic with negative values or size >= KMaxTInt / 2
+		}
+	else
+		{
+		return calloc(size, 1);
+		}
+	}
+
+
+/*
+ * Function:
+ *
+ *   void *mp4realloc(void *memblock,
+ *                    size_t size,
+ *                    size_t oldsize)
+ *
+ * Description:
+ *
+ *   This is a wrapper for standard C library function realloc.
+ *
+ * Parameters:
+ *
+ *   memblock   Allocated memory pointer
+ *   size       New size
+ *   oldsize    Size of memblock
+ *
+ * Return value:
+ *
+ *   See realloc.
+ *
+ */
+void *mp4realloc(void *memblock, size_t size, size_t oldsize)
+{
+  void *p;
+
+  p = realloc(memblock, size);
+  if (p == NULL)
+    return p;
+
+  memset(((mp4_u8 *)p) + oldsize, 0, size - oldsize);
+
+  return p;
+}
+
+
+/*
+ * Function:
+ *
+ *   void mp4free(void *mem)
+ *
+ * Description:
+ *
+ *   This is a wrapper for standard C library function free.
+ *
+ * Parameters:
+ *
+ *   mem   Pointer to allocated memory
+ *
+ * Return value:
+ *
+ *   None
+ *
+ */
+void mp4free(void *mem)
+{
+  free(mem);
+}
+
+
+/*
+ * Function:
+ *
+ *   void *mp4memcpy(void *dest,
+ *                   void *src,
+ *                   mp4_u32 count)
+ *
+ * Description:
+ *
+ *   This is a wrapper for standard C library function memcpy.
+ *
+ * Parameters:
+ *
+ *   dest    Destination of copy
+ *   src     Source of copy
+ *   count   Number of nytes to copy
+ *
+ * Return value:
+ *
+ *   See memcpy.
+ *
+ */
+void *mp4memcpy(void *dest, void *src, mp4_u32 count)
+{
+  memcpy(dest, src, count);
+
+  return dest;
+}
+
+// End of File