1 files changed, 69 insertions, 0 deletions

diff --git a/lib/skin_parser/skin_buffer.c b/lib/skin_parser/skin_buffer.c
new file mode 100644
index 0000000000..8a5a47ddba
--- /dev/null
+++ b/lib/skin_parser/skin_buffer.c
@@ -0,0 +1,69 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id: skin_buffer.c 25962 2010-05-12 09:31:40Z jdgordon $
+ *
+ * Copyright (C) 2002 by Linus Nielsen Feltzing
+ * Copyright (C) 2009 Jonathan Gordon
+ *
+ * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#ifdef ROCKBOX
+#define SKIN_BUFFER_SIZE (400*1024) /* Excessivly large for now */
+static unsigned char buffer[SKIN_BUFFER_SIZE];
+static unsigned char *buffer_front = NULL; /* start of the free space,
+                                              increases with allocation*/
+static size_t buf_size = SKIN_BUFFER_SIZE;
+#endif
+
+void skin_buffer_init(size_t size)
+{
+#if 0 /* this will go in again later probably */
+    if (buffer == NULL)
+    {
+        buf_size = SKIN_BUFFER_SIZE;/* global_settings.skin_buf_size */
+
+        buffer = buffer_alloc(buf_size);
+        buffer_front = buffer;
+        buffer_back = bufer + buf_size;
+    }
+    else
+#elif defined(ROCKBOX)
+    {
+        /* reset the buffer.... */
+        buffer_front = buffer;
+        //TODO: buf_size = size;
+    }
+#endif
+}
+
+/* Allocate size bytes from the buffer */
+void* skin_buffer_alloc(size_t size)
+{
+    void *retval = NULL;
+#ifdef ROCKBOX    
+    retval = buffer_front;
+    buffer_front += size;
+    /* 32-bit aligned */
+    buffer_front = (void *)(((unsigned long)buffer_front + 3) & ~3);
+#else
+    retval = malloc(size);
+#endif
+    return retval;
+}