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Annotation of embedaddon/ntp/libntp/buftvtots.c, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * buftvtots - pull a Unix-format (struct timeval) time stamp out of
                      3:  *            an octet stream and convert it to a l_fp time stamp.
                      4:  *            This is useful when using the clock line discipline.
                      5:  */
                      6: 
                      7: #ifdef HAVE_CONFIG_H
                      8: #include "config.h"
                      9: #endif
                     10: #include "ntp_fp.h"
                     11: #include "ntp_string.h"
                     12: #include "ntp_unixtime.h"
                     13: 
                     14: #ifndef SYS_WINNT
                     15: int
                     16: buftvtots(
                     17:        const char *bufp,
                     18:        l_fp *ts
                     19:        )
                     20: {
                     21:        struct timeval tv;
                     22: 
                     23:        /*
                     24:         * copy to adhere to alignment restrictions
                     25:         */
                     26:        memcpy(&tv, bufp, sizeof(tv));
                     27: 
                     28:        /*
                     29:         * and use it
                     30:         */
                     31:        ts->l_ui = tv.tv_sec + (u_long)JAN_1970;
                     32:        if (tv.tv_usec > 999999)
                     33:            return 0;
                     34:        TVUTOTSF(tv.tv_usec, ts->l_uf);
                     35:        return 1;
                     36: }
                     37: #else  /* SYS_WINNT */
                     38: /*
                     39:  * Windows doesn't have the tty_clock line discipline, so
                     40:  * don't look for a timestamp where there is none.
                     41:  */
                     42: int
                     43: buftvtots(
                     44:        const char *bufp,
                     45:        l_fp *ts
                     46:        )
                     47: {
                     48:        UNUSED_ARG(bufp);
                     49:        UNUSED_ARG(ts);
                     50: 
                     51:        return 0;
                     52: }
                     53: #endif /* SYS_WINNT */