chan.c (chan_open): Actually initialize the error indicator.

[fwd] / reffd.c

/* -*-c-*-
 *
 * Reference counted file descriptors
 *
 * (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"

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

/* --- @reffd_init@ --- *
 *
 * Arguments:	@int fd@ = file descriptor
 *
 * Returns:	Reference-counted file descriptor object.
 *
 * Use:		Creates a refcounted file descriptor.
 */

reffd *reffd_init(int fd)
{
  reffd *r = CREATE(reffd);
  r->fd = fd;
  r->ref = 1;
  r->proc = 0;
  r->p = 0;
  return (r);
}

/* --- @reffd_handler@ --- *
 *
 * Arguments:	@reffd *r@ = pointer to reference counted filehandle
 *		@void (*proc)(void *p)@ = procedure to call
 *		@void *p@
 *
 * Returns:	---
 *
 * Use:		Sets the reference counted file descriptor to call @proc@
 *		when it is no longer required.
 */

void reffd_handler(reffd *r, void (*proc)(void *p), void *p)
{
  r->proc = proc;
  r->p = p;
}

/* --- @reffd_inc@ --- *
 *
 * Arguments:	@reffd *r@ = pointer to reference counted filehandle
 *
 * Returns:	---
 *
 * Use:		Increments the reference count for a file descriptor.
 */

void reffd_inc(reffd *r) { REFFD_INC(r); }

/* --- @reffd_dec@ --- *
 *
 * Arguments:	@reffd *r@ = pointer to reference counted filehandle
 *
 * Returns:	---
 *
 * Use:		Decrements the reference count for a file descriptor.
 */

void reffd_dec(reffd *r) { REFFD_DEC(r); }

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