Configurable dir browser file buffer size. No more 400-file limit. No more whining.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3661 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 43 insertions, 0 deletions

diff --git a/firmware/buffer.c b/firmware/buffer.c
new file mode 100644
index 0000000..4db0b94
--- /dev/null
+++ b/firmware/buffer.c
@@ -0,0 +1,43 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2002 by Linus Nielsen Feltzing
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include <stdio.h>
+#include "buffer.h"
+
+#ifdef SIMULATOR
+unsigned char mp3buffer[0x100000];
+unsigned char mp3end[1];
+#else
+/* defined in linker script */
+extern unsigned char mp3buffer[];
+#endif
+
+unsigned char *mp3buf;
+
+void buffer_init(void)
+{
+    mp3buf = mp3buffer;
+}
+
+void *buffer_alloc(size_t size)
+{
+    void *retval = mp3buf;
+    
+    mp3buf += size;
+    return retval;
+}