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https://github.com/unrealircd/unrealircd.git
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stskeeps
88 lines
1.9 KiB
C
88 lines
1.9 KiB
C
/************************************************************************
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* Unreal Internet Relay Chat Daemon, src/fdlist.c
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* Copyright (C) Mika Nystrom
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 1, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* $Id$ */
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#include "struct.h"
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#include "common.h"
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#include "sys.h"
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#include "h.h"
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#include "config.h"
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#include "fdlist.h"
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void addto_fdlist(int fd, fdlist * listp)
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{
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int index;
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if ((index = ++listp->last_entry) >= MAXCONNECTIONS)
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{
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/*
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* list too big.. must exit
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*/
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--listp->last_entry;
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ircd_log(LOG_ERROR, "fdlist.c list too big, must exit...");
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#ifdef USE_SYSLOG
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(void)syslog(LOG_CRIT, "fdlist.c list too big.. must exit");
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#endif
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abort();
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}
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else
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listp->entry[index] = fd;
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return;
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}
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void delfrom_fdlist(int fd, fdlist * listp)
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{
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int i;
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for (i = listp->last_entry; i; i--)
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{
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if (listp->entry[i] == fd)
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break;
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}
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if (!i)
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return; /*
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* could not find it!
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*/
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/*
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* swap with last_entry
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*/
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if (i == listp->last_entry)
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{
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listp->entry[i] = 0;
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listp->last_entry--;
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return;
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}
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else
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{
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listp->entry[i] = listp->entry[listp->last_entry];
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listp->entry[listp->last_entry] = 0;
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listp->last_entry--;
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return;
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}
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}
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void init_fdlist(fdlist * listp)
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{
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listp->last_entry = 0;
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memset((char *)listp->entry, '\0', sizeof(listp->entry));
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return;
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}
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