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Simplified implementation of `core.temp_filename()`

This commit is contained in:
rxi 2020-05-27 11:38:42 +01:00
parent e7cf551e22
commit 74755f5b4a
1 changed files with 6 additions and 12 deletions
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18
data/core/init.lua
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@ -126,17 +126,9 @@ function core.init()
end end
math.randomseed(system.get_time() * 1000) local temp_uid = (system.get_time() * 1000) % 0xffffffff
local temp_file_prefix = string.format(".lite_temp_%08x", temp_uid)
local function uid() local temp_file_counter = 0
return string.gsub("xxxxxx", ".", function()
local chars = "0123456789abcdefghijklmnopqrstuvwxyz"
local n = math.random(#chars)
return chars:sub(n, n)
end)
end
local temp_file_prefix = ".temp_" .. uid()
local function delete_temp_files() local function delete_temp_files()
for _, filename in ipairs(system.list_dir(EXEDIR)) do for _, filename in ipairs(system.list_dir(EXEDIR)) do
@ -147,7 +139,9 @@ local function delete_temp_files()
end end
function core.temp_filename(ext) function core.temp_filename(ext)
return EXEDIR .. PATHSEP .. temp_file_prefix .. uid() .. (ext or "") temp_file_counter = temp_file_counter + 1
return EXEDIR .. PATHSEP .. temp_file_prefix
.. string.format("%06x", temp_file_counter) .. (ext or "")
end end