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util.human.io: Fix handling of os.execute() return values in Lua 5.2+

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Wrong part of Lua 5.1 compat removed in 0f4feaf9ca64
This commit is contained in:
Kim Alvefur 2022-10-20 17:35:01 +02:00
parent e2cff34641
commit 1acd5e0474
1 changed files with 3 additions and 3 deletions
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6
util/human/io.lua
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@ -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
@ -31,11 +31,11 @@ end
local function getpass()
local stty_ret = os.execute("stty -echo 2>/dev/null");
if stty_ret ~= 0 then
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");