+##
+## YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
+##
+## Copyright (C) 2002-2010 Aleph One Ltd.
+## for Toby Churchill Ltd and Brightstar Engineering
+##
+## Created by Timothy Manning <timothy@yaffs.net>
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License version 2 as
+## published by the Free Software Foundation.
+##
+
import os
from yaffsfs import *
import sys
error=yaffs_get_error()
debug_message("error######################################",0)
debug_message(("error code", error), 0)
+ error_message=ctypes.c_char_p()
+ error_message.value=yaffs_error_to_str(error);
+ print "error message", error_message.value
+
def debug_message(message, debug_level):
"""note: that debug level 0 will always be printed unless debug_level is set to -1"""
return new_path
def create_file(file):
+# freespace=ctypes.c_longlong
+# freespace.value=yaffs_freespace(yaffs_root_dir_path)
+# print "yaffs free space:", freespace.value
debug_message( "\n \n \n", 2)
file_path= join_paths(yaffs_root_dir_path, file["path"][len(path):])
debug_message( ("creating file:", file_path), 2)
debug_message("opening file",2)
# yaffs_ls(file["path"])
- ##if there is already a file in yaffs then remove the file . this is to prevent yaffs from opening a nd writing to a read only file
+ ##if there is already a file in yaffs then remove the file . this is to prevent yaffs from opening and writing to a read only file
if yaffs_access(file_path, 0)==0:##the 0 means does it exist.
debug_message ("file already exists in yaffs", 2)
output=yaffs_unlink(file_path)
data_file=open(file["path"], "r")
output=yaffs_lseek(current_handle, 0, 0)
if output==-1:
+ ##if there is no more space in the emfile then this is where it will show up.
+ freespace=ctypes.c_longlong
+ freespace.value=yaffs_freespace(yaffs_root_dir_path)
+ print "yaffs free space:", freespace.value
+
+ if freespace.value==0:
+ #print "yaffs free space:", yaffs_freespace(yaffs_root_dir_path)
+ print "yaffs is out of space exiting program"
+ #sys.exit()
debug_message("error with yaffs lseeking", 2)
check_for_yaffs_errors(output)