/usr/share/lua/5.1/luxio/wrapper.lua is in lua-luxio 13-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | -- Light Unix I/O for Lua
-- Copyright 2016 Daniel Silverstone <dsilvers+luxio@digital-scurf.org>
--
-- Distributed under the same terms as Lua itself (MIT).
--
-- Wrappers which make certain functions easier to use.
--- High-level wrappers for certain POSIX functionality.
--- @module luxio.wrapper
local luxio = require "luxio"
local l_opendir = luxio.opendir
local l_readdir = luxio.readdir
local l_closedir = luxio.closedir
local l_lstat = luxio.lstat
local S_ISFIFO = luxio.S_ISFIFO
local S_ISCHR = luxio.S_ISCHR
local S_ISDIR = luxio.S_ISDIR
local S_ISBLK = luxio.S_ISBLK
local S_ISREG = luxio.S_ISREG
local S_ISLNK = luxio.S_ISLNK or function () return false end
local S_ISSOCK = luxio.S_ISSOCK or function () return false end
local DT_UNKNOWN = luxio.DT_UNKNOWN
local dir_to_dirp = setmetatable({}, {__mode="k"})
local function opendir(dirp)
local dir, errno = l_opendir(dirp)
if not dir then
return dir, errno
end
dir_to_dirp[dir] = dirp
if luxio.DT_UNKNOWN == nil then
luxio.DT_UNKNOWN = 0
luxio.DT_FIFO = 1
luxio.DT_CHR = 2
luxio.DT_DIR = 3
luxio.DT_BLK = 4
luxio.DT_REG = 5
luxio.DT_LNK = 6
luxio.DT_SOCK = 7
end
return dir, errno
end
local function readdir(dir)
local v, result = l_readdir(dir)
if type(result) == "table" then
-- if d_type available, DT_UNKNOWN is defined, otherwise it's nil.
if result.d_type == DT_UNKNOWN and dir_to_dirp[dir] then
result.d_type = luxio.DT_UNKNOWN
local path = dir_to_dirp[dir] .. "/" .. result.d_name
local r, stab = l_lstat(path)
if r == 0 then
-- Stat was successful, try and calculate proper d_type
local mode = stab.mode
if S_ISREG(mode) then
result.d_type = luxio.DT_REG
elseif S_ISDIR(mode) then
result.d_type = luxio.DT_DIR
elseif S_ISLNK(mode) then
result.d_type = luxio.DT_LNK
elseif S_ISCHR(mode) then
result.d_type = luxio.DT_CHR
elseif S_ISBLK(mode) then
result.d_type = luxio.DT_BLK
elseif S_ISFIFO(mode) then
result.d_type = luxio.DT_FIFO
elseif S_ISSOCK(mode) then
result.d_type = luxio.DT_SOCK
end
end
end
end
return v, result
end
local function closedir(dir)
dir_to_dirp[dir] = nil
l_closedir(dir)
end
local function install_dir_wrapper()
luxio.opendir = opendir
luxio.readdir = readdir
luxio.closedir = closedir
end
return {
opendir = opendir,
readdir = readdir,
closedir = closedir,
install_dir_wrapper = install_dir_wrapper,
}
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