From 81db599486053dacb453bf6532406000f7a19c52 Mon Sep 17 00:00:00 2001
From: Tor Lillqvist <tlillqvist@suse.com>
Date: Tue, 14 Aug 2012 12:33:52 +0200
Subject: Be more careful in recognizing MathML (bnc#774921)

Change-Id: I82c36a3ff49f74dc674df46dcf35f8c1a991c9e2
(cherry picked from commit aa4b8a8164f01a120ba9bfb2e86b1ed33cc1d69c)

Signed-off-by: David Tardon <dtardon@redhat.com>
---
 starmath/source/smdetect.cxx | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

(limited to 'starmath/source/smdetect.cxx')

diff --git a/starmath/source/smdetect.cxx b/starmath/source/smdetect.cxx
index 05f6056821c5..2f157f425e89 100644
--- a/starmath/source/smdetect.cxx
+++ b/starmath/source/smdetect.cxx
@@ -322,10 +322,20 @@ SmFilterDetect::~SmFilterDetect()
                         {
                             if (0 == strncmp( "<?xml",aBuffer,nSize))
                             {
-                                static const sal_Char sFltrNm_2[] = MATHML_XML;
-                                static const sal_Char sTypeNm_2[] = "math_MathML_XML_Math";
-                                aFilterName.AssignAscii( sFltrNm_2 );
-                                aTypeName.AssignAscii( sTypeNm_2 );
+                                // 200 should be enough for the XML
+                                // version, encoding and !DOCTYPE
+                                // stuff I hope?
+                                sal_Char aBuffer2[200];
+                                nBytesRead = pStrm->Read( aBuffer2, sizeof(aBuffer2) - 1);
+                                aBuffer2[nBytesRead] = 0;
+                                if (strstr( aBuffer2, "<math>" ) != NULL ||
+                                    strstr( aBuffer2, "<math " ) != NULL)
+                                {
+                                    static const sal_Char sFltrNm_2[] = MATHML_XML;
+                                    static const sal_Char sTypeNm_2[] = "math_MathML_XML_Math";
+                                    aFilterName.AssignAscii( sFltrNm_2 );
+                                    aTypeName.AssignAscii( sTypeNm_2 );
+                                }
                             }
                         }
                     }
-- 
cgit