diff options
Diffstat (limited to 'libs/nixio/lua/nixio/fs.lua')
-rw-r--r-- | libs/nixio/lua/nixio/fs.lua | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/libs/nixio/lua/nixio/fs.lua b/libs/nixio/lua/nixio/fs.lua deleted file mode 100644 index 8883835f30..0000000000 --- a/libs/nixio/lua/nixio/fs.lua +++ /dev/null @@ -1,175 +0,0 @@ ---[[ -nixio - Linux I/O library for lua - -Copyright 2009 Steven Barth <steven@midlink.org> - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - -http://www.apache.org/licenses/LICENSE-2.0 - -$Id$ -]]-- - -local table = require "table" -local nixio = require "nixio" -local type, ipairs, setmetatable = type, ipairs, setmetatable -require "nixio.util" - - -module ("nixio.fs", function(m) setmetatable(m, {__index = nixio.fs}) end) - - -function readfile(path, limit) - local fd, code, msg = nixio.open(path, "r") - local data - if not fd then - return nil, code, msg - end - - data, code, msg = fd:readall(limit) - - fd:close() - return data, code, msg -end - - -function writefile(path, data) - local fd, code, msg, stat = nixio.open(path, "w") - if not fd then - return nil, code, msg - end - - stat, code, msg = fd:writeall(data) - - fd:close() - return stat, code, msg -end - -function datacopy(src, dest, size) - local fdin, code, msg = nixio.open(src, "r") - if not fdin then - return nil, code, msg - end - - local fdout, code, msg = nixio.open(dest, "w") - if not fdout then - return nil, code, msg - end - - local stat, code, msg, sent = fdin:copy(fdout, size) - fdin:close() - fdout:close() - - return stat, code, msg, sent -end - -function copy(src, dest) - local stat, code, msg, res = nixio.fs.lstat(src) - if not stat then - return nil, code, msg - end - - if stat.type == "dir" then - if nixio.fs.stat(dest, type) ~= "dir" then - res, code, msg = nixio.fs.mkdir(dest) - else - stat = true - end - elseif stat.type == "lnk" then - res, code, msg = nixio.fs.symlink(nixio.fs.readlink(src), dest) - elseif stat.type == "reg" then - res, code, msg = datacopy(src, dest) - end - - if not res then - return nil, code, msg - end - - nixio.fs.utimes(dest, stat.atime, stat.mtime) - - if nixio.fs.lchown then - nixio.fs.lchown(dest, stat.uid, stat.gid) - end - - if stat.type ~= "lnk" then - nixio.fs.chmod(dest, stat.modedec) - end - - return true -end - -function move(src, dest) - local stat, code, msg = nixio.fs.rename(src, dest) - if not stat and code == nixio.const.EXDEV then - stat, code, msg = copy(src, dest) - if stat then - stat, code, msg = nixio.fs.unlink(src) - end - end - return stat, code, msg -end - -function mkdirr(dest, mode) - if nixio.fs.stat(dest, "type") == "dir" then - return true - else - local stat, code, msg = nixio.fs.mkdir(dest, mode) - if not stat and code == nixio.const.ENOENT then - stat, code, msg = mkdirr(nixio.fs.dirname(dest), mode) - if stat then - stat, code, msg = nixio.fs.mkdir(dest, mode) - end - end - return stat, code, msg - end -end - -local function _recurse(cb, src, dest) - local type = nixio.fs.lstat(src, "type") - if type ~= "dir" then - return cb(src, dest) - else - local stat, se, code, msg, s, c, m = true, nixio.const.sep - if dest then - s, c, m = cb(src, dest) - stat, code, msg = stat and s, c or code, m or msg - end - - for e in nixio.fs.dir(src) do - if dest then - s, c, m = _recurse(cb, src .. se .. e, dest .. se .. e) - else - s, c, m = _recurse(cb, src .. se .. e) - end - stat, code, msg = stat and s, c or code, m or msg - end - - if not dest then -- Postfix - s, c, m = cb(src) - stat, code, msg = stat and s, c or code, m or msg - end - - return stat, code, msg - end -end - -function copyr(src, dest) - return _recurse(copy, src, dest) -end - -function mover(src, dest) - local stat, code, msg = nixio.fs.rename(src, dest) - if not stat and code == nixio.const.EXDEV then - stat, code, msg = _recurse(copy, src, dest) - if stat then - stat, code, msg = _recurse(nixio.fs.remove, src) - end - end - return stat, code, msg -end - -function remover(src) - return _recurse(nixio.fs.remove, src) -end
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