From ca5398be098b571912dcbd93c83ab78151814f99 Mon Sep 17 00:00:00 2001
From: "E. Westbrook" <github@westbrook.io>
Date: Tue, 21 Aug 2018 12:02:25 -0600
Subject: url.lua:remove_dot_components(): use temporary NUL marker to reduce
 empty-segment special-case code

---
 src/url.lua | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/url.lua b/src/url.lua
index 10a9d90..466d4fa 100644
--- a/src/url.lua
+++ b/src/url.lua
@@ -85,11 +85,11 @@ end
 local function remove_dot_components(path)
     repeat
         local was = path
-        path = path:gsub('/%./', '/', 1)
+        path = path:gsub('//', '/'..0x00..'/', 1)
     until path == was
     repeat
         local was = path
-        path = path:gsub('//%.%./([^/]+)', '/%1', 1)
+        path = path:gsub('/%./', '/', 1)
     until path == was
     repeat
         local was = path
@@ -99,6 +99,7 @@ local function remove_dot_components(path)
     path = path:gsub('/%.%.$', '/')
     path = path:gsub('/%.$', '/')
     path = path:gsub('^/%.%./', '/')
+    path = path:gsub(0x00, '')
     return path
 end
 
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