diff options
Diffstat (limited to 'libparse/binio.c')
| -rw-r--r-- | libparse/binio.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/libparse/binio.c b/libparse/binio.c new file mode 100644 index 0000000..24aa286 --- /dev/null +++ b/libparse/binio.c @@ -0,0 +1,156 @@ +/* + * /src/NTP/ntp4-dev/libntp/binio.c,v 4.5 2005/04/16 17:32:10 kardel RELEASE_20050508_A + * + * binio.c,v 4.5 2005/04/16 17:32:10 kardel RELEASE_20050508_A + * + * $Created: Sun Jul 20 12:55:33 1997 $ + * + * Copyright (c) 1997-2005 by Frank Kardel <kardel <AT> ntp.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the author nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + */ + +#include <config.h> +#include "binio.h" + +long +get_lsb_short( + unsigned char **bufpp + ) +{ + long retval; + + retval = *((*bufpp)++); + retval |= *((*bufpp)++) << 8; + + return (retval & 0x8000) ? (~0xFFFF | retval) : retval; +} + +void +put_lsb_short( + unsigned char **bufpp, + long val + ) +{ + *((*bufpp)++) = (unsigned char) (val & 0xFF); + *((*bufpp)++) = (unsigned char) ((val >> 8) & 0xFF); +} + +long +get_lsb_long( + unsigned char **bufpp + ) +{ + long retval; + + retval = *((*bufpp)++); + retval |= *((*bufpp)++) << 8; + retval |= *((*bufpp)++) << 16; + retval |= (u_long)*((*bufpp)++) << 24; + + return retval; +} + +void +put_lsb_long( + unsigned char **bufpp, + long val + ) +{ + *((*bufpp)++) = (unsigned char)(val & 0xFF); + *((*bufpp)++) = (unsigned char)((val >> 8) & 0xFF); + *((*bufpp)++) = (unsigned char)((val >> 16) & 0xFF); + *((*bufpp)++) = (unsigned char)((val >> 24) & 0xFF); +} + +long +get_msb_short( + unsigned char **bufpp + ) +{ + long retval; + + retval = *((*bufpp)++) << 8; + retval |= *((*bufpp)++); + + return (retval & 0x8000) ? (~0xFFFF | retval) : retval; +} + +void +put_msb_short( + unsigned char **bufpp, + long val + ) +{ + *((*bufpp)++) = (unsigned char)((val >> 8) & 0xFF); + *((*bufpp)++) = (unsigned char)( val & 0xFF); +} + +long +get_msb_long( + unsigned char **bufpp + ) +{ + long retval; + + retval = (u_long)*((*bufpp)++) << 24; + retval |= *((*bufpp)++) << 16; + retval |= *((*bufpp)++) << 8; + retval |= *((*bufpp)++); + + return retval; +} + +void +put_msb_long( + unsigned char **bufpp, + long val + ) +{ + *((*bufpp)++) = (unsigned char)((val >> 24) & 0xFF); + *((*bufpp)++) = (unsigned char)((val >> 16) & 0xFF); + *((*bufpp)++) = (unsigned char)((val >> 8 ) & 0xFF); + *((*bufpp)++) = (unsigned char)( val & 0xFF); +} + +/* + * binio.c,v + * Revision 4.2 1999/02/21 12:17:34 kardel + * 4.91f reconcilation + * + * Revision 4.1 1998/06/28 16:47:50 kardel + * added {get,put}_msb_{short,long} functions + * + * Revision 4.0 1998/04/10 19:46:16 kardel + * Start 4.0 release version numbering + * + * Revision 1.1 1998/04/10 19:27:46 kardel + * initial NTP VERSION 4 integration of PARSE with GPS166 binary support + * + * Revision 1.1 1997/10/06 21:05:46 kardel + * new parse structure + * + */ |