fix seg fault in richtext if close tag come before any open.

implment hr tag.

diff --git a/src/zypper-richtext.cc b/src/zypper-richtext.cc
index df060b0..0a26110 100644 (file)
--- a/src/zypper-richtext.cc
+++ b/src/zypper-richtext.cc
@@ -76,6 +76,7 @@ string closeTag(vector<tags>& tagStack)
   if(tagStack.empty())
   {
     WAR << "closing tag before any opening" << endl;;
+    return "";
   }
   tags t = tagStack.back();
   tagStack.pop_back();
@@ -111,9 +112,14 @@ string openTag(vector<tags>& tagStack, string& tag)
   tagStack.push_back(t);
   switch(t)
   {
+    case HR:
+      tagStack.pop_back(); //hr haven't closing tag
+      return "--------------------";
+    
     case PARAGRAPH:
       return "";
     case BREAK_LINE:
+      tagStack.pop_back(); //br haven't closing tag
       return "\n";
     case OL:
       ordered = true;