2011-12-19 15:24:09 -04:00
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/****************************************************************************
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* net/net_dsec2timeval.c
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*
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* Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
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2012-09-13 15:32:24 -03:00
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* Author: Gregory Nutt <gnutt@nuttx.org>
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2011-12-19 15:24:09 -04:00
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#if defined(CONFIG_NET) && defined(CONFIG_NET_SOCKOPTS) && !defined(CONFIG_DISABLE_CLOCK)
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#include <sys/socket.h>
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#include <stdint.h>
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#include <errno.h>
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#include <nuttx/clock.h>
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#include "net_internal.h"
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/****************************************************************************
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* Global Functions
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****************************************************************************/
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/****************************************************************************
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* Function: net_dsec2timeval
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*
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* Description:
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* Convert a decisecond timeout value to a struct timeval. Needed by
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* getsockopt() to report timeout values.
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*
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* Parameters:
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* dsec The decisecond value to convert
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* tv The struct timeval to receive the converted value
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*
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* Returned Value:
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* None
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*
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* Assumptions:
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*
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****************************************************************************/
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void net_dsec2timeval(uint16_t dsec, struct timeval *tv)
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{
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uint16_t remainder;
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tv->tv_sec = dsec / DSEC_PER_SEC;
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remainder = dsec - tv->tv_sec * DSEC_PER_SEC;
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tv->tv_usec = remainder * USEC_PER_DSEC;
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}
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#endif /* CONFIG_NET && CONFIG_NET_SOCKOPTS && !CONFIG_DISABLE_CLOCK */
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