X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5276b0a53cef4815230e39b54d2ecda14f72cbd1..84523830d52acd2865ec6f1b4f6b62b1f2bd9930:/src/html/htmlpars.cpp

diff --git a/src/html/htmlpars.cpp b/src/html/htmlpars.cpp
index 2076129925..dad3f09a42 100644
--- a/src/html/htmlpars.cpp
+++ b/src/html/htmlpars.cpp
@@ -227,7 +227,7 @@ void wxHtmlParser::CreateDOMSubTree(wxHtmlTag *cur,
             else
             {
                 while (i < end_pos && *i != wxT('>')) ++i;
-                textBeginning = i+1;
+                textBeginning = i < end_pos ? i+1 : i;
             }
         }
         else ++i;
@@ -869,10 +869,14 @@ wxChar wxHtmlEntitiesParser::GetEntityChar(const wxString& entity) const
         return GetCharForCode(code);
 }
 
-wxFSFile *wxHtmlParser::OpenURL(wxHtmlURLType WXUNUSED(type),
+wxFSFile *wxHtmlParser::OpenURL(wxHtmlURLType type,
                                 const wxString& url) const
 {
-    return m_FS ? m_FS->OpenFile(url) : NULL;
+    int flags = wxFS_READ;
+    if (type == wxHTML_URL_IMAGE)
+        flags |= wxFS_SEEKABLE;
+
+    return m_FS ? m_FS->OpenFile(url, flags) : NULL;
 
 }
 
@@ -953,12 +957,14 @@ wxHtmlParser::SkipCommentTag(wxString::const_iterator& start,
 
     wxString::const_iterator p = start;
 
-    // comments begin with "<!--" in HTML 4.0
-    if ( p > end - 3 || *++p != '!' || *++p != '-' || *++p != '-' )
-    {
-        // not a comment at all
-        return false;
-    }
+    // Comments begin with "<!--" in HTML 4.0; anything shorter or not containing
+    // these characters is not a comment and we're not going to skip it.
+    if ( ++p == end || *p != '!' )
+      return false;
+    if ( ++p == end || *p != '-' )
+      return false;
+    if ( ++p == end || *p != '-' )
+      return false;
 
     // skip the start of the comment tag in any case, if we don't find the
     // closing tag we should ignore broken markup