Automatically attach modules to events

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

diff --git a/src/modules/extra/m_mysql.cpp b/src/modules/extra/m_mysql.cpp
index e5d8d379c42e798e0996128e66763bfbf2a857b0..2d20a82ab1913ef891d2e2a8409d55b7e16b211d 100644 (file)
--- a/src/modules/extra/m_mysql.cpp
+++ b/src/modules/extra/m_mysql.cpp
@@ -35,7 +35,6 @@
 
 /* VERSION 3 API: With nonblocking (threaded) requests */
 
-/* $ModDesc: SQL Service Provider module for all other m_sql* modules */
 /* $CompileFlags: exec("mysql_config --include") */
 /* $LinkerFlags: exec("mysql_config --libs_r") rpath("mysql_config --libs_r") */
 
@@ -180,7 +179,6 @@ class MySQLresult : public SQLResult
                                rows++;
                        }
                        mysql_free_result(res);
-                       res = NULL;
                }
        }
 
@@ -329,10 +327,15 @@ class SQLConnection : public SQLProvider
                                if (param < p.size())
                                {
                                        std::string parm = p[param++];
-                                       char buffer[MAXBUF];
-                                       mysql_escape_string(buffer, parm.c_str(), parm.length());
+                                       // In the worst case, each character may need to be encoded as using two bytes,
+                                       // and one byte is the terminating null
+                                       std::vector<char> buffer(parm.length() * 2 + 1);
+
+                                       // The return value of mysql_escape_string() is the length of the encoded string,
+                                       // not including the terminating null
+                                       unsigned long escapedsize = mysql_escape_string(&buffer[0], parm.c_str(), parm.length());
 //                                     mysql_real_escape_string(connection, queryend, paramscopy[paramnum].c_str(), paramscopy[paramnum].length());
-                                       res.append(buffer);
+                                       res.append(&buffer[0], escapedsize);
                                }
                        }
                }
@@ -358,9 +361,10 @@ class SQLConnection : public SQLProvider
                                if (it != p.end())
                                {
                                        std::string parm = it->second;
-                                       char buffer[MAXBUF];
-                                       mysql_escape_string(buffer, parm.c_str(), parm.length());
-                                       res.append(buffer);
+                                       // NOTE: See above
+                                       std::vector<char> buffer(parm.length() * 2 + 1);
+                                       unsigned long escapedsize = mysql_escape_string(&buffer[0], parm.c_str(), parm.length());
+                                       res.append(&buffer[0], escapedsize);
                                }
                        }
                }
@@ -378,9 +382,6 @@ void ModuleSQL::init()
        Dispatcher = new DispatcherThread(this);
        ServerInstance->Threads->Start(Dispatcher);
 
-       Implementation eventlist[] = { I_OnRehash, I_OnUnloadModule };
-       ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
-
        OnRehash(NULL);
 }
 
@@ -431,13 +432,14 @@ void ModuleSQL::OnRehash(User* user)
                i->second->lock.Lock();
                i->second->lock.Unlock();
                // now remove all active queries to this DB
-               for(unsigned int j = qq.size() - 1; j >= 0; j--)
+               for (size_t j = qq.size(); j > 0; j--)
                {
-                       if (qq[j].c == i->second)
+                       size_t k = j - 1;
+                       if (qq[k].c == i->second)
                        {
-                               qq[j].q->OnError(err);
-                               delete qq[j].q;
-                               qq.erase(qq.begin() + j);
+                               qq[k].q->OnError(err);
+                               delete qq[k].q;
+                               qq.erase(qq.begin() + k);
                        }
                }
                // finally, nuke the connection