fwd.c (fw_log): Report the timezone in log messages.

[fwd] / source.c

/* -*-c-*-
 *
 * Standard routines for forwarding sources
 *
 * (c) 1999 Straylight/Edgeware
 */

/*----- Licensing notice --------------------------------------------------*
 *
 * This file is part of the `fwd' port forwarder.
 *
 * `fwd' 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 2 of the License, or
 * (at your option) any later version.
 *
 * `fwd' 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 `fwd'; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#include "fwd.h"

/*----- Static variables --------------------------------------------------*/

static source *sources = 0;

/*----- Main code ---------------------------------------------------------*/

/* --- @source_add@ --- *
 *
 * Arguments:	@source *s@ = pointer to a source
 *
 * Returns:	---
 *
 * Use:		Adds a source to the master list.  Only do this for passive
 *		sources (e.g., listening sockets), not active sources (e.g.,
 *		executable programs).
 */

void source_add(source *s)
{
  s->next = sources;
  s->prev = 0;
  if (sources)
    sources->prev = s;
  sources = s;
}

/* --- @source_remove@ --- *
 *
 * Arguments:	@source *s@ = pointer to a source
 *
 * Returns:	---
 *
 * Use:		Removes a source from the master list.
 */

void source_remove(source *s)
{
  if (s->next)
    s->next->prev = s->prev;
  if (s->prev)
    s->prev->next = s->next;
  else
    sources = s->next;
}

/* --- @source_killall@ --- *
 *
 * Arguments:	---
 *
 * Returns:	---
 *
 * Use:		Frees all sources.
 */

void source_killall(void)
{
  source *s = sources;
  while (s) {
    source *ss = s;
    s = s->next;
    ss->ops->destroy(ss);
  }
  sources = 0;
}

/*----- That's all, folks -------------------------------------------------*/