Fix for bug #134 reported by mixx941: When user connects to ircd with no usermodes...

[user/henk/code/inspircd.git] / src / modules / m_spanningtree.cpp

diff --git a/src/modules/m_spanningtree.cpp b/src/modules/m_spanningtree.cpp
index 9610aa07ec0b08ab1d80edc3b0ee0cdd03d832d8..335624ec5d4e68780f05a0d5d3f13c28d73f4e6f 100644 (file)
--- a/src/modules/m_spanningtree.cpp
+++ b/src/modules/m_spanningtree.cpp
@@ -1694,7 +1694,9 @@ class TreeSocket : public InspSocket
                /* This used to have a pretty craq'y loop doing the same thing,
                 * now we just let the STL do the hard work (more efficiently)
                 */
-               params[5] = params[5].substr(params[5].find_first_not_of('+'));
+               std::string::size_type pos_after_plus = params[5].find_first_not_of('+');
+               if (pos_after_plus != std::string::npos)
+                       params[5] = params[5].substr(pos_after_plus);
                
                const char* tempnick = params[1].c_str();
                ServerInstance->Log(DEBUG,"Introduce client %s!%s@%s",tempnick,params[4].c_str(),params[2].c_str());