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- /*
- * ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2015 Alexander Barton (alex@barton.de) and Contributors.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- * Please read the file COPYING, README and AUTHORS for more information.
- */
- #ifndef __irc_macros_h__
- #define __irc_macros_h__
- /**
- * @file
- * Macros for functions that handle IRC commands.
- */
- /**
- * Make sure that number of passed parameters is equal to Count.
- *
- * If there are not exactly Count parameters, send an error to the client and
- * return from the function.
- */
- #define _IRC_ARGC_EQ_OR_RETURN_(Client, Req, Count) \
- if (Req->argc != Count) { \
- return IRC_WriteErrClient(Client, ERR_NEEDMOREPARAMS_MSG, \
- Client_ID(Client), Req->command); \
- }
- /**
- * Make sure that number of passed parameters is less or equal than Max.
- *
- * If there are more than Max parameters, send an error to the client and
- * return from the function.
- */
- #define _IRC_ARGC_LE_OR_RETURN_(Client, Req, Max) \
- if (Req->argc > Max) { \
- return IRC_WriteErrClient(Client, ERR_NEEDMOREPARAMS_MSG, \
- Client_ID(Client), Req->command); \
- }
- /**
- * Make sure that number of passed parameters is greater or equal than Min.
- *
- * If there aren't at least Min parameters, send an error to the client and
- * return from the function.
- */
- #define _IRC_ARGC_GE_OR_RETURN_(Client, Req, Min) \
- if (Req->argc < Min) { \
- return IRC_WriteErrClient(Client, ERR_NEEDMOREPARAMS_MSG, \
- Client_ID(Client), Req->command); \
- }
- /**
- * Make sure that number of passed parameters is in between Min and Max.
- *
- * If there aren't at least Min parameters or if there are more than Max
- * parameters, send an error to the client and return from the function.
- */
- #define _IRC_ARGC_BETWEEN_OR_RETURN_(Client, Req, Min, Max) \
- if (Req->argc < Min || Req->argc > Max) { \
- return IRC_WriteErrClient(Client, ERR_NEEDMOREPARAMS_MSG, \
- Client_ID(Client), Req->command); \
- }
- /**
- * Make sure that the command has a prefix.
- *
- * If there is no prefix, send an error to the client and return from
- * the function.
- */
- #define _IRC_REQUIRE_PREFIX_OR_RETURN_(Client, Req) \
- if (!Req->prefix) { \
- return IRC_WriteErrClient(Client, ERR_NEEDMOREPARAMS_MSG, \
- Client_ID(Client), Req->command); \
- }
- /**
- * Get sender of an IRC command.
- *
- * The sender is either stored in the prefix if the command has been
- * received from a server or set to the client. If the sender is invalid,
- * send an error to the client and return from the function.
- */
- #define _IRC_GET_SENDER_OR_RETURN_(Sender, Req, Client) \
- if (Client_Type(Client) == CLIENT_SERVER) { \
- if (!Req->prefix) \
- return IRC_WriteErrClient(Client, ERR_NEEDMOREPARAMS_MSG, \
- Client_ID(Client), Req->command); \
- Sender = Client_Search(Req->prefix); \
- } else \
- Sender = Client; \
- if (!Sender) \
- return IRC_WriteErrClient(Client, ERR_NOSUCHNICK_MSG, \
- Client_ID(Client), \
- Req->prefix ? Req->prefix : "(none)");
- /**
- * Get target of an IRC command and make sure that it is a server.
- *
- * Set the target to the local server if no target parameter is given in the
- * received command, and send an error to the client and return from the
- * function if the given target isn't resolvable to a server: the target
- * parameter can be a server name, a nick name (then the target is set to
- * the server to which this nick is connected), or a mask matching at least
- * one server name in the network.
- */
- #define _IRC_GET_TARGET_SERVER_OR_RETURN_(Target, Req, Argc, From) \
- if (Req->argc > Argc) { \
- Target = Client_Search(Req->argv[Argc]); \
- if (!Target) \
- Target = Client_SearchServer(Req->argv[Argc]); \
- if (!Target) \
- return IRC_WriteErrClient(From, ERR_NOSUCHSERVER_MSG, \
- Client_ID(From), Req->argv[Argc]); \
- if (Client_Type(Target) != CLIENT_SERVER) \
- Target = Client_Introducer(Target); \
- } else \
- Target = Client_ThisServer();
- #endif /* __irc_macros_h__ */
- /* -eof- */
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