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commit 883a8fa6f185033102748be6dde1b386ddef54ac
Author: Alexander Barton 
Date:   Sun Feb 24 16:14:13 2013 +0100

    Add new _IRC_ARGC_BETWEEN_OR_RETURN_ macro to irc-macros.h

diff --git a/src/ngircd/irc-macros.h b/src/ngircd/irc-macros.h

--- a/src/ngircd/irc-macros.h
+++ b/src/ngircd/irc-macros.h
@@ -39,6 +39,17 @@ if (Req->argc < Min) \
 	return IRC_WriteStrClient(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_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, \
+				  Client_ID(Client), Req->command);
+
 /**
  * Get sender of an IRC command.
  *

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