From: Jo-Philipp Wich <jow@openwrt.org>
Date: Sun, 25 Jan 2009 13:03:17 +0000 (+0000)
Subject: libs/core: further fixes for luci.util.pcdata(), fix wrong character range and drop... 
X-Git-Tag: 0.9.0~744
X-Git-Url: https://git.archive.openwrt.org/?p=project%2Fluci.git;a=commitdiff_plain;h=b0abe4aa08517b4bab745d3638c538c16f2fa806;ds=sidebyside

libs/core: further fixes for luci.util.pcdata(), fix wrong character range and drop invalid control chars entirely
---

diff --git a/libs/core/luasrc/util.lua b/libs/core/luasrc/util.lua
index 03eb2f128..79f01a626 100644
--- a/libs/core/luasrc/util.lua
+++ b/libs/core/luasrc/util.lua
@@ -196,12 +196,13 @@ end
 local function _pcdata_repl(c)
 	local i = string.byte(c)
 
-	if ( i >= 0x00 and i <= 0x08 ) or
-	   ( i >= 0x0B and i <= 0x0C ) or
-	   ( i >= 0x0E and i <= 0x0F ) or
-	   ( i >= 0x26 and i <= 0x27 ) or
-	   ( i == 0x7F ) or ( i == 0x22 ) or
-	   ( i == 0x3C ) or ( i == 0x3E )
+	if ( i >= 0x00 and i <= 0x08 ) or ( i >= 0x0B and i <= 0x0C ) or
+	   ( i >= 0x0E and i <= 0x1F ) or ( i == 0x7F )
+	then
+		return ""
+		
+	elseif ( i == 0x26 ) or ( i == 0x27 ) or ( i == 0x22 ) or
+	       ( i == 0x3C ) or ( i == 0x3E )
 	then
 		return string.format("&#%i;", i)
 	end