From 3c1be54bb7556f9dcf51befb33d9ac5a548dd6ef Mon Sep 17 00:00:00 2001
From: Johannes Hofmann <Johannes.Hofmann@gmx.de>
Date: Sun, 1 May 2011 22:57:59 +0200
Subject: fix handling of CSS length values of 0 without unit

Reported by: "Rob S." <mr_semantics@hotmail.com>
Submitted by: corvid <corvid@lavabit.com>
---
 src/styleengine.cc | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src')

diff --git a/src/styleengine.cc b/src/styleengine.cc
index 9e859aa0..aa09f286 100644
--- a/src/styleengine.cc
+++ b/src/styleengine.cc
@@ -619,6 +619,13 @@ bool StyleEngine::computeValue (int *dest, CssLength value, Font *font) {
       case CSS_LENGTH_TYPE_EX:
          *dest = roundInt (CSS_LENGTH_VALUE(value) * font->xHeight);
         return true;
+       case CSS_LENGTH_TYPE_NONE:
+         // length values other than 0 without unit are only allowed
+         // in special cases (line-height) and have to be handled
+         // separately.
+         assert ((int) CSS_LENGTH_VALUE (value) == 0);
+         *dest = 0;
+         return true;
       default:
          break;
    }
-- 
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