156 lines
3.8 KiB
C
156 lines
3.8 KiB
C
/*
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* /src/NTP/ntp4-dev/libntp/binio.c,v 4.5 2005/04/16 17:32:10 kardel RELEASE_20050508_A
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*
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* binio.c,v 4.5 2005/04/16 17:32:10 kardel RELEASE_20050508_A
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*
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* $Created: Sun Jul 20 12:55:33 1997 $
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*
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* Copyright (c) 1997-2005 by Frank Kardel <kardel <AT> ntp.org>
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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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* 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 the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the author nor the names of its contributors
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* may be 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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include "binio.h"
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long
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get_lsb_short(
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unsigned char **bufpp
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)
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{
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long retval;
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retval = *((*bufpp)++);
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retval |= *((*bufpp)++) << 8;
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return (retval & 0x8000) ? (~0xFFFF | retval) : retval;
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}
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void
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put_lsb_short(
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unsigned char **bufpp,
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long val
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)
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{
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*((*bufpp)++) = (unsigned char) (val & 0xFF);
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*((*bufpp)++) = (unsigned char) ((val >> 8) & 0xFF);
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}
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long
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get_lsb_long(
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unsigned char **bufpp
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)
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{
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long retval;
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retval = *((*bufpp)++);
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retval |= *((*bufpp)++) << 8;
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retval |= *((*bufpp)++) << 16;
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retval |= *((*bufpp)++) << 24;
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return retval;
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}
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void
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put_lsb_long(
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unsigned char **bufpp,
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long val
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)
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{
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*((*bufpp)++) = (unsigned char)(val & 0xFF);
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*((*bufpp)++) = (unsigned char)((val >> 8) & 0xFF);
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*((*bufpp)++) = (unsigned char)((val >> 16) & 0xFF);
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*((*bufpp)++) = (unsigned char)((val >> 24) & 0xFF);
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}
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long
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get_msb_short(
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unsigned char **bufpp
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)
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{
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long retval;
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retval = *((*bufpp)++) << 8;
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retval |= *((*bufpp)++);
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return (retval & 0x8000) ? (~0xFFFF | retval) : retval;
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}
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void
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put_msb_short(
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unsigned char **bufpp,
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long val
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)
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{
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*((*bufpp)++) = (unsigned char)((val >> 8) & 0xFF);
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*((*bufpp)++) = (unsigned char)( val & 0xFF);
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}
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long
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get_msb_long(
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unsigned char **bufpp
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)
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{
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long retval;
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retval = *((*bufpp)++) << 24;
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retval |= *((*bufpp)++) << 16;
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retval |= *((*bufpp)++) << 8;
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retval |= *((*bufpp)++);
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return retval;
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}
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void
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put_msb_long(
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unsigned char **bufpp,
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long val
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)
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{
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*((*bufpp)++) = (unsigned char)((val >> 24) & 0xFF);
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*((*bufpp)++) = (unsigned char)((val >> 16) & 0xFF);
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*((*bufpp)++) = (unsigned char)((val >> 8 ) & 0xFF);
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*((*bufpp)++) = (unsigned char)( val & 0xFF);
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}
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/*
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* binio.c,v
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* Revision 4.2 1999/02/21 12:17:34 kardel
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* 4.91f reconcilation
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*
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* Revision 4.1 1998/06/28 16:47:50 kardel
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* added {get,put}_msb_{short,long} functions
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*
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* Revision 4.0 1998/04/10 19:46:16 kardel
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* Start 4.0 release version numbering
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*
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* Revision 1.1 1998/04/10 19:27:46 kardel
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* initial NTP VERSION 4 integration of PARSE with GPS166 binary support
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*
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* Revision 1.1 1997/10/06 21:05:46 kardel
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* new parse structure
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*
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*/
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