time_now.c

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/* NOW function */

#include "fb.h"
#include <time.h>

/*:::::*/
FBCALL double fb_Now( void )
{
        double     dblTime, dblDate;
        time_t     rawtime;
        struct tm *ptm;

        /* guard by global lock because time/localtime might not be thread-safe */
        FB_LOCK();

        time( &rawtime );

        /* Note: localtime() can return NULL due to weird value from time() */
        ptm = localtime( &rawtime );
        if (ptm == NULL)
                return 0.0;

        dblDate = fb_DateSerial( 1900 + ptm->tm_year, 1 + ptm->tm_mon, ptm->tm_mday );
        dblTime = fb_TimeSerial( ptm->tm_hour, ptm->tm_min, ptm->tm_sec );

        FB_UNLOCK();

        return dblDate + dblTime;
}