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/* buftvtots.c,v 3.1 1993/07/06 01:07:59 jbj Exp
* buftvtots - pull a Unix-format (struct timeval) time stamp out of
* an octet stream and convert it to a l_fp time stamp.
* This is useful when using the clock line discipline.
*/
#include "ntp_fp.h"
#include "ntp_unixtime.h"
int
buftvtots(bufp, ts)
const char *bufp;
l_fp *ts;
{
register const u_char *bp;
register U_LONG sec;
register U_LONG usec;
#ifdef XNTP_BIG_ENDIAN
bp = (u_char *)bufp;
sec = (U_LONG)*bp++ & 0xff;
sec <<= 8;
sec += (U_LONG)*bp++ & 0xff;
sec <<= 8;
sec += (U_LONG)*bp++ & 0xff;
sec <<= 8;
sec += (U_LONG)*bp++ & 0xff;
usec = (U_LONG)*bp++ & 0xff;
usec <<= 8;
usec += (U_LONG)*bp++ & 0xff;
usec <<= 8;
usec += (U_LONG)*bp++ & 0xff;
usec <<= 8;
usec += (U_LONG)*bp & 0xff;
#else
bp = (u_char *)bufp + 7;
usec = (U_LONG)*bp-- & 0xff;
usec <<= 8;
usec += (U_LONG)*bp-- & 0xff;
usec <<= 8;
usec += (U_LONG)*bp-- & 0xff;
usec <<= 8;
usec += (U_LONG)*bp-- & 0xff;
sec = (U_LONG)*bp-- & 0xff;
sec <<= 8;
sec += (U_LONG)*bp-- & 0xff;
sec <<= 8;
sec += (U_LONG)*bp-- & 0xff;
sec <<= 8;
sec += (U_LONG)*bp & 0xff;
#endif
if (usec > 999999)
return 0;
ts->l_ui = sec + (U_LONG)JAN_1970;
TVUTOTSF(usec, ts->l_uf);
return 1;
}
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