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-rw-r--r--util/human/io.lua11
1 files changed, 4 insertions, 7 deletions
diff --git a/util/human/io.lua b/util/human/io.lua
index 7d7dea97..b272af71 100644
--- a/util/human/io.lua
+++ b/util/human/io.lua
@@ -8,7 +8,7 @@ end;
local function getchar(n)
local stty_ret = os.execute("stty raw -echo 2>/dev/null");
local ok, char;
- if stty_ret == true or stty_ret == 0 then
+ if stty_ret then
ok, char = pcall(io.read, n or 1);
os.execute("stty sane");
else
@@ -30,15 +30,12 @@ local function getline()
end
local function getpass()
- local stty_ret, _, status_code = os.execute("stty -echo 2>/dev/null");
- if status_code then -- COMPAT w/ Lua 5.1
- stty_ret = status_code;
- end
- if stty_ret ~= 0 then
+ local stty_ret = os.execute("stty -echo 2>/dev/null");
+ if not stty_ret then
io.write("\027[08m"); -- ANSI 'hidden' text attribute
end
local ok, pass = pcall(io.read, "*l");
- if stty_ret == 0 then
+ if stty_ret then
os.execute("stty sane");
else
io.write("\027[00m");