def rmdir(directory):
inum = file_name_layer.lookup(directory, path_name_layer._wd)
i = inode_number.inode_number_to_inode(inum)
if (i.inode_type == FileType.directory):
blockLayer.release_block(i.blocks[0])
inode_number.release_inode(inum)
inode_directory = inode_number.inode_number_to_inode(path_name_layer._wd)
block_directory = blockLayer.block_number_to_block(inode_directory.blocks[0])
buf = [""] * block_directory.size
buf = block_directory.read(0, buf, 0, block_directory.size)
buf = "".join(buf)
search = directory + "|" + str(inum) + ","
buf = buf.replace(search, "")
clear = "_" * 512
block_directory.write(0, clear, 0, len(clear))
block_directory.write(0, buf, 0, len(buf))
if(len(buf) == 0): # checks to see if the directory is now empty
block_directory.size = 0
else:
raise Exception("Inode %r is not of type directory." % inum)
def rm(filename):
num = 0
inum = file_name_layer.lookup(filename, path_name_layer._wd)
i = inode_number.inode_number_to_inode(inum)
for b in i.blocks:
if (b != -1):
blockLayer.release_block(i.blocks[num])
num += 1
inode_number.release_inode(inum)
inode_directory = inode_number.inode_number_to_inode(path_name_layer._wd)
block_directory = blockLayer.block_number_to_block(inode_directory.blocks[0])
buf = [""] * block_directory.size
buf = block_directory.read(0, buf, 0, block_directory.size)
buf = "".join(buf)
search = filename + "|" + str(inum) + ","
buf = buf.replace(search, "")
clear = "_" * 512
block_directory.write(0, clear, 0, len(clear))
block_directory.write(0, buf, 0, len(buf))
if(len(buf) == 0): # checks to see if the directory is now empty
block_directory.size = 0
