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/*
* Copyright (c) 2026 Nakidai Perumenei <nakidai at disroot dot org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "ircd.h"
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
static char buf[MESSAGE_MAX + 1];
static int written;
static void
vstoref(const char *fmt, va_list ap)
{
written = vsnprintf(buf, sizeof(buf) - 2, fmt, ap);
written = written < sizeof(buf) - 2 ? written : sizeof(buf) - 2;
memcpy(buf + written, "\r\n", 2);
written += 2;
}
int
writef(int fd, const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vstoref(fmt, args);
va_end(args);
return write(fd, buf, written);
}
int
writechanf(const struct Peer *except, const struct Channel *channel, const char *fmt, ...)
{
va_list args;
int count;
size_t i;
va_start(args, fmt);
vstoref(fmt, args);
va_end(args);
count = 0;
for (i = 0; i < channel->users_c; ++i)
if (!except || channel->users[i]->fd != except->fd)
count += write(channel->users[i]->fd, buf, written) == written;
return count;
}
void
announce(struct Peer *peer, const char *fmt, ...)
{
va_list args;
size_t i, j;
va_start(args, fmt);
vstoref(fmt, args);
va_end(args);
if (!peer->channels_c)
{
write(peer->fd, buf, written);
return;
}
for (i = 0; i < peer->channels_c; ++i)
for (j = 0; j < peer->channels[i]->users_c; ++j)
peer->channels[i]->users[j]->flags |= ANNOUNCE;
for (i = 0; i < peers_c; ++i)
if (peers[i].flags & ANNOUNCE)
{
write(peers[i].fd, buf, written);
peers[i].flags &= ~ANNOUNCE;
}
}
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