+/*
+ * IRC - Internet Relay Chat, ircd/m_proto.c
+ * Copyright (C) 1990 Jarkko Oikarinen and
+ * University of Oulu, Computing Center
+ *
+ * See file AUTHORS in IRC package for additional names of
+ * the programmers.
+ *
+ * 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 1, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+/** @file
+ * @brief Implementation of functions to send common replies to users.
+ * @version $Id$
+ */
+#include "config.h"
+
+#include "ircd_reply.h"
+#include "client.h"
+#include "ircd.h"
+#include "ircd_log.h"
+#include "ircd_snprintf.h"
+#include "msg.h"
+#include "msgq.h"
+#include "numeric.h"
+#include "s_conf.h"
+#include "s_debug.h"
+#include "send.h"
+
+/* #include <assert.h> -- Now using assert in ircd_log.h */
+#include <string.h>
+
+/** Report a protocol violation warning to anyone listening. This can
+ * be easily used to clean up the last couple of parts of the code.
+ * @param[in] cptr Client that violated the protocol.
+ * @param[in] pattern Description of how the protocol was violated.
+ * @return Zero.
+ */
+int protocol_violation(struct Client* cptr, const char* pattern, ...)
+{
+ struct VarData vd;
+ char message[BUFSIZE];
+
+ assert(pattern);
+ assert(cptr);
+
+ vd.vd_format = pattern;
+ va_start(vd.vd_args, pattern);
+ ircd_snprintf(NULL, message, sizeof(message),
+ "Protocol Violation from %s: %v", cli_name(cptr), &vd);
+ va_end(vd.vd_args);
+
+ sendwallto_group_butone(&me, WALL_DESYNCH, NULL, "%s", message);
+ return 0;
+}
+
+/** Inform a client that they need to provide more parameters.
+ * @param[in] cptr Taciturn client.
+ * @param[in] cmd Command name.
+ * @return Zero.
+ */
+int need_more_params(struct Client* cptr, const char* cmd)
+{
+ send_reply(cptr, ERR_NEEDMOREPARAMS, cmd);
+ return 0;
+}
+
+/** Send a generic reply to a user.
+ * @param[in] to Client that wants a reply.
+ * @param[in] reply Numeric of message to send.
+ * @return Zero.
+ */
+int send_reply(struct Client *to, int reply, ...)
+{
+ struct VarData vd;
+ struct MsgBuf *mb;
+ const struct Numeric *num;
+
+ assert(0 != to);
+ assert(0 != reply);
+
+ num = get_error_numeric(reply & ~SND_EXPLICIT); /* get reply... */
+
+ va_start(vd.vd_args, reply);
+
+ if (reply & SND_EXPLICIT) /* get right pattern */
+ vd.vd_format = (const char *) va_arg(vd.vd_args, char *);
+ else
+ vd.vd_format = num->format;
+
+ assert(0 != vd.vd_format);
+
+ /* build buffer */
+ mb = msgq_make(cli_from(to), "%:#C %s %C %v", &me, num->str, to, &vd);
+
+ va_end(vd.vd_args);
+
+ /* send it to the user */
+ send_buffer(to, mb, 0);
+
+ msgq_clean(mb);
+
+ return 0; /* convenience return */
+}
+
+
+