==5959== Conditional jump or move depends on uninitialised value(s)
==5959==    at 0x442AEA3: ??? (in /lib/libc-2.12.2.so)
==5959==    by 0x80960B1: NewUser(char*, char*, int) (udp.cc:62)
==5959==    by 0x805026A: ReadConfig(char*) (main.cc:1151)
==5959==    by 0x80520E8: main (main.cc:1694)
==5959==  Uninitialised value was created by a stack allocation
==5959==    at 0x804DD0B: ReadConfig(char*) (main.cc:595)

udp.cc

void NewUser(char *user, char *pass, int level)
{
        USERLIST *new_user;
        USERLIST *global = UDPUserList;

        new_user = new(USERLIST);

        new_user->user = strdup(user);
        new_user->pass = strdup(pass);
        new_user->level = level;
        new_user->next = NULL;

        if (!UDPUserList)
        {
                UDPUserList = new_user;
                return;
        }


main.cc

                } else if (!strcasecmp(label, "UDPUSER"))
                {
#ifdef UDP
        if (true) {
            ulvl = 0;
                        udppass = strstr(value,",");
                        if (udppass)
                        {
                            udppass[0] = '\0';
                                udppass++;
                        }
                        udplvl = strstr(udppass,"=");
                        if (udplvl)
                        {
                           udplvl[0] = '\0';
                               udplvl++;
                               ulvl = atoi(udplvl);
                        }
                        if (strlen(value) && udppass && ulvl)
                        {
                            NewUser(value,udppass,ulvl);
                        }
                }
                // reset variables...
                strcpy(value, "");
                udppass = NULL;
                ulvl = 0;
#endif
                                        } else {
                                                printf("unknown label '%s' in configfile.\n", label);
                                                fclose(in_file);
                                                return (FALSE);
                                        }