Re: Getting -ve timestamp values.
- From: "B. Augestad" <boa@xxxxxxxxxxxxxx>
- Date: Sun, 08 Apr 2007 11:15:32 +0200
jdthebigj@xxxxxxxxx wrote:
I am not a very good unix programmer. I'm trying to get timestamps for[snip]
my packets. I tried using the SO_TIMESTAMP flag for obtaining the time
stamp. But it is returning me -ve timestamps. Can you tell me what the
problem is in my code. I checked the system date and time and it is
absolutely correct.
time = ctime(&ts);
printf("Received: %s at time: %d = %s",&msg,ts,time);
I have no idea what you mean by "-ve", but assume that you mean "negative". If so, work on your spelling.
Anyway, time_t is not a signed type, it is unsigned. To print it, use %lu and cast the value to (unsigned long).
printf("Received: %s at time: %lu = %s",&msg,(unsigned long)ts,time);
HTH
Bjørn
[snip]
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