Extra tweak for exceptional condition

[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 92348148b6b6ec7e18cc96d4398e05dda79052ba..73464089527dc842a0f3e0c0b1e3ddf74c6808a2 100644 (file)
--- a/src/modules/m_spanningtree.cpp
+++ b/src/modules/m_spanningtree.cpp
@@ -1404,7 +1404,9 @@ class TreeSocket : public InspSocket
                        if (this->keylength)
                        {
                                // pad it to the key length
-                               line.append(line.length() % this->keylength,'\7');
+                               int n = line.length() % this->keylength;
+                               if (n)
+                                       line.append(n,'\7');
                        }
                        unsigned int ll = line.length();
                        ctx_out->Encrypt(line.c_str(), result, ll, 1);