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

diff --git a/src/modules/m_alias.cpp b/src/modules/m_alias.cpp
index 991d6f26401168a121db63b09bb3f8a386111496..32fc80b64d5427638a4a7919b2d437fa34afdec3 100644 (file)
--- a/src/modules/m_alias.cpp
+++ b/src/modules/m_alias.cpp
@@ -104,9 +104,8 @@ class ModuleAlias : public Module
        void init()
        {
                ReadAliases();
-               ServerInstance->Modules->Attach(I_OnPreCommand, this);
-               ServerInstance->Modules->Attach(I_OnRehash, this);
-               ServerInstance->Modules->Attach(I_OnUserMessage, this);
+               Implementation eventlist[] = { I_OnPreCommand, I_OnRehash, I_OnUserMessage };
+               ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
        }
 
        virtual ~ModuleAlias()
@@ -252,7 +251,7 @@ class ModuleAlias : public Module
        }
 
 
-       int DoAlias(User *user, Channel *c, Alias *a, const std::string compare, const std::string safe)
+       int DoAlias(User *user, Channel *c, Alias *a, const std::string& compare, const std::string& safe)
        {
                User *u = NULL;
 
@@ -321,11 +320,11 @@ class ModuleAlias : public Module
                for (unsigned int i = 0; i < newline.length(); i++)
                {
                        char c = newline[i];
-                       if (c == '$')
+                       if ((c == '$') && (i + 1 < newline.length()))
                        {
                                if (isdigit(newline[i+1]))
                                {
-                                       int len = (newline[i+2] == '-') ? 3 : 2;
+                                       int len = ((i + 2 < newline.length()) && (newline[i+2] == '-')) ? 3 : 2;
                                        std::string var = newline.substr(i, len);
                                        result.append(GetVar(var, original_line));
                                        i += len - 1;