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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* dbus-pipe-unix.c unix related pipe implementation
*
* Copyright (C) 2002, 2003, 2006 Red Hat, Inc.
* Copyright (C) 2003 CodeFactory AB
*
* Licensed under the Academic Free License version 2.1
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <config.h>
#include "dbus-protocol.h"
#include "dbus-string.h"
#include "dbus-internals.h"
#include "dbus-pipe.h"
#include "dbus-sysdeps-unix.h"
#include <errno.h>
/**
* write data to a pipe.
*
* @param pipe the pipe instance
* @param buffer the buffer to write data from
* @param start the first byte in the buffer to write
* @param len the number of bytes to try to write
* @param error error return
* @returns the number of bytes written or -1 on error
*/
int
_dbus_pipe_write (DBusPipe *pipe,
const DBusString *buffer,
int start,
int len,
DBusError *error)
{
int written;
written = _dbus_write (pipe->fd, buffer, start, len);
if (written < 0)
{
dbus_set_error (error, DBUS_ERROR_FAILED,
"Writing to pipe: %s\n",
_dbus_strerror (errno));
}
return written;
}
/**
* close a pipe.
*
* @param pipe the pipe instance
* @param error return location for an error
* @returns -1 if error is set
*/
int
_dbus_pipe_close (DBusPipe *pipe,
DBusError *error)
{
if (!_dbus_close (pipe->fd, error))
{
return -1;
}
else
{
_dbus_pipe_invalidate (pipe);
return 0;
}
}
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