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| author | Kim Alvefur <zash@zash.se> | 2016-02-28 15:03:01 +0100 |
|---|---|---|
| committer | Kim Alvefur <zash@zash.se> | 2016-02-28 15:03:01 +0100 |
| commit | db5175995b4661a14255f3275f7ee3d4efbf6ce0 (patch) | |
| tree | 7f731acf4dd34c150127c33d0ca2d422f4a90eef | |
| parent | 6ebfda549383872b983982f2ab472053195e27c5 (diff) | |
| download | prosody-db5175995b4661a14255f3275f7ee3d4efbf6ce0.tar.gz prosody-db5175995b4661a14255f3275f7ee3d4efbf6ce0.zip | |
util.termcolours: Validate color codes, fixes traceback
| -rw-r--r-- | util/termcolours.lua | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/util/termcolours.lua b/util/termcolours.lua index a0fee7ce..dcdc994d 100644 --- a/util/termcolours.lua +++ b/util/termcolours.lua @@ -15,6 +15,9 @@ local tonumber = tonumber; local ipairs = ipairs; local io_write = io.write; local m_floor = math.floor; +local type = type; +local setmetatable = setmetatable; +local pairs = pairs; local windows; if os.getenv("WINDIR") then @@ -76,8 +79,10 @@ local function hex2rgb(hex) end setmetatable(stylemap, { __index = function(_, style) - local g = style:sub(7) == " background" and "48;5;" or "38;5;"; - return g .. color(hex2rgb(style)); + if type(style) == "string" and style:find("%x%x%x%x%x%x") == 1 then + local g = style:sub(7) == " background" and "48;5;" or "38;5;"; + return g .. color(hex2rgb(style)); + end end } ); local csscolors = { |