Cross Reference: /ast/src/lib/libast/features/tvlib

hdr time
lib clock_settime,gettimeofday,settimeofday,stime,utimes
lib nanosleep,usleep
lib utimensat -D_ATFILE_SOURCE sys/stat.h note{ complete utimensat implementation }end link{
    #include <fcntl.h>
    static struct timespec  ts[2];
    int
    main()
    {
        ts[0].tv_nsec = UTIME_NOW;
        ts[1].tv_nsec = UTIME_OMIT;
        return utimensat(AT_FDCWD, ".", ts, AT_SYMLINK_NOFOLLOW) != 0;
    }
}end

if ! mem timeval.tv_sec sys/time.h {
    struct timeval
    {
        time_t  tv_sec;
        time_t  tv_usec;
    };
}
endif

lib clock_gettime execute{
    #include <time.h>
    int
    main()
    {
        struct timespec tv;
        return clock_gettime(CLOCK_REALTIME, &tv) != 0;
    }
}end

lib utimets link{
    #include <time.h>
    #include <sys/time.h>
    static struct timespec  tv;
    int
    main()
    {
        return utimets(".", &tv) != 0;
    }
}end

tst - -DN=1 - -DN=2 - -DN=3 - -DN=4 output{
    #include <sys/types.h>
    #include <sys/time.h>
    int
    main()
    {
        struct timeval  tv;
#if N == 1
        struct timezone tz;
        if (gettimeofday(&tv, (struct timezone*)0) < 0)
            return 1;
        printf("#define tmgettimeofday(p)   gettimeofday(p,(struct timezone*)0)\n");
#if _lib_settimeofday
        printf("#define tmsettimeofday(p)   settimeofday(p,(struct timezone*)0)\n");
#endif
#endif
#if N == 2
        if (gettimeofday(&tv, (void*)0) < 0)
            return 1;
        printf("#define tmgettimeofday(p)   gettimeofday(p,(void*)0)\n");
#if _lib_settimeofday
        printf("#define tmsettimeofday(p)   gettimeofday(p,(void*)0)\n");
#endif
#endif
#if N == 3
        if (gettimeofday(&tv) < 0)
            return 1;
        printf("#define tmgettimeofday(p)   gettimeofday(p)\n");
#if _lib_settimeofday
        printf("#define tmsettimeofday(p)   settimeofday(p)\n");
#endif
#endif
        return 0;
    }
}end