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url.lua:remove_dot_components(): avoid ambiguous numeric representation as empty-path-segment marker

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This commit is contained in:
E. Westbrook 2018-08-21 12:42:26 -06:00
parent ca5398be09
commit 043e997713
1 changed files with 3 additions and 2 deletions
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5
src/url.lua
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@ -83,9 +83,10 @@ end
-- Returns -- Returns
-- dot-normalized path -- dot-normalized path
local function remove_dot_components(path) local function remove_dot_components(path)
local marker = string.char(1)
repeat repeat
local was = path local was = path
path = path:gsub('//', '/'..0x00..'/', 1) path = path:gsub('//', '/'..marker..'/', 1)
until path == was until path == was
repeat repeat
local was = path local was = path
@ -99,7 +100,7 @@ local function remove_dot_components(path)
path = path:gsub('/%.%.$', '/') path = path:gsub('/%.%.$', '/')
path = path:gsub('/%.$', '/') path = path:gsub('/%.$', '/')
path = path:gsub('^/%.%./', '/') path = path:gsub('^/%.%./', '/')
path = path:gsub(0x00, '') path = path:gsub(marker, '')
return path return path
end end