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author | Kyle Evans <kevans@FreeBSD.org> | 2018-03-02 02:39:41 +0000 |
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committer | Kyle Evans <kevans@FreeBSD.org> | 2018-03-02 02:39:41 +0000 |
commit | cb4fbe4ebb44105919bb2804b05057757c9d89f8 (patch) | |
tree | 682cc16d191d417b2c0da405a0618d367d269b38 /stand/lua/password.lua | |
parent | 2f3ecc87bf923f17be6749cc94666f0c8eeb2825 (diff) | |
download | src-cb4fbe4ebb44105919bb2804b05057757c9d89f8.tar.gz src-cb4fbe4ebb44105919bb2804b05057757c9d89f8.zip |
lualoader: Use #str instead of tracking length with 'n'
We really gain almost nothing by tracking length separately, especially when
it's as easy as "#str", so reduce complexity.
Notes
Notes:
svn path=/head/; revision=330262
Diffstat (limited to 'stand/lua/password.lua')
-rw-r--r-- | stand/lua/password.lua | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/stand/lua/password.lua b/stand/lua/password.lua index c8352ea519d7..551cfd075024 100644 --- a/stand/lua/password.lua +++ b/stand/lua/password.lua @@ -42,7 +42,6 @@ local twiddle_chars = {"/", "-", "\\", "|"} -- Module exports function password.read(prompt_length) local str = "" - local n = 0 local twiddle_pos = 1 local function draw_twiddle() @@ -60,14 +59,13 @@ function password.read(prompt_length) break end if ch == core.KEY_BACKSPACE or ch == core.KEY_DELETE then - if n > 0 then - n = n - 1 + if #str > 0 then if show_password_mask then loader.printc("\008 \008") else draw_twiddle() end - str = str:sub(1, n) + str = str:sub(1, #str - 1) end else if show_password_mask then @@ -76,7 +74,6 @@ function password.read(prompt_length) draw_twiddle() end str = str .. string.char(ch) - n = n + 1 end end return str |