2 * IRC - Internet Relay Chat, ircd/m_proto.c
3 * Copyright (C) 1990 Jarkko Oikarinen and
4 * University of Oulu, Computing Center
6 * See file AUTHORS in IRC package for additional names of
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 1, or (at your option)
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 * @brief Implementation of functions to send common replies to users.
29 #include "ircd_reply.h"
33 #include "ircd_snprintf.h"
41 /* #include <assert.h> -- Now using assert in ircd_log.h */
44 /** Report a protocol violation warning to anyone listening. This can
45 * be easily used to clean up the last couple of parts of the code.
46 * @param[in] cptr Client that violated the protocol.
47 * @param[in] pattern Description of how the protocol was violated.
50 int protocol_violation(struct Client* cptr, const char* pattern, ...)
57 vd.vd_format = pattern;
58 va_start(vd.vd_args, pattern);
60 sendwallto_group_butone(&me, WALL_DESYNCH, NULL,
61 "Protocol Violation from %s: %v", cli_name(cptr), &vd);
67 /** Inform a client that they need to provide more parameters.
68 * @param[in] cptr Taciturn client.
69 * @param[in] cmd Command name.
72 int need_more_params(struct Client* cptr, const char* cmd)
74 send_reply(cptr, ERR_NEEDMOREPARAMS, cmd);
78 /** Send a generic reply to a user.
79 * @param[in] to Client that wants a reply.
80 * @param[in] reply Numeric of message to send.
83 int send_reply(struct Client *to, int reply, ...)
87 const struct Numeric *num;
92 num = get_error_numeric(reply & ~SND_EXPLICIT); /* get reply... */
94 va_start(vd.vd_args, reply);
96 if (reply & SND_EXPLICIT) /* get right pattern */
97 vd.vd_format = (const char *) va_arg(vd.vd_args, char *);
99 vd.vd_format = num->format;
101 assert(0 != vd.vd_format);
104 mb = msgq_make(cli_from(to), "%:#C %s %C %v", &me, num->str, to, &vd);
108 /* send it to the user */
109 send_buffer(to, mb, 0);
113 return 0; /* convenience return */