time conversion

time conversion

[Lejanson C. Go]

Hi,

I had searched the net on how to convert unsigned long timestamp
to human readable format or maybe in struct timeval format. Any sample 
code that you can share would be greatly appreciated.
Thanks.

Lejanson

Re: time conversion

[Nanakos Chrysostomos]

#include <stdio.h>
#include <sys/time.h>
#include <time.h>
#include <unistd.h>

void print_time ()
{
        struct timeval tv;
        struct tm* ptm;
        char time_string[40];
        long milliseconds;

        gettimeofday (&tv, NULL);
        ptm = localtime (&tv.tv_sec);
        strftime (time_string, sizeof (time_string), "%Y-%m-%d %H:%M:%S",
ptm);
        milliseconds = tv.tv_usec / 1000;
        printf ("%s.%03ld\n", time_string, milliseconds);
}


main()
{
        print_time();
}

I hope this helps.

Re: time conversion

[kranthi]

I think this may serve u  r purpose

#include <stdio.h>
#include <sys/time.h>
#include <time.h>
#include <unistd.h>



int main()
{
	time_t t;  //Number in Unsigned format
  	printf("% u \n ",t);
	time(&t);
	printf("%s",ctime(&t)); //  Time in Human readable format
	return 0;
}


On Tue, 23 Aug 2005 15:30:13 +0800, Lejanson C. Go  
<lejanson@ntsp.nec.co.jp> wrote:

> Hi,
>
> I had searched the net on how to convert unsigned long timestamp
> to human readable format or maybe in struct timeval format. Any sample  
> code that you can share would be greatly appreciated.
> Thanks.
>
> Lejanson
>
>
> -
> To unsubscribe from this list: send the line "unsubscribe  
> linux-c-programming" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html



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Re: time conversion

[Suma Choudhary]

Hi
How about using time() and ctime() functions.

regards
suma

>>> "Nanakos Chrysostomos" <nanakos@wired-net.gr> 08/23/05 13:09 PM >>>
#include <stdio.h>
#include <sys/time.h>
#include <time.h>
#include <unistd.h>

void print_time ()
{
        struct timeval tv;
        struct tm* ptm;
        char time_string[40];
        long milliseconds;

        gettimeofday (&tv, NULL);
        ptm = localtime (&tv.tv_sec);
        strftime (time_string, sizeof (time_string), "%Y-%m-%d %H:%M:%S",
ptm);
        milliseconds = tv.tv_usec / 1000;
        printf ("%s.%03ld\n", time_string, milliseconds);
}


main()
{
        print_time();
}

I hope this helps.


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