How to verify DST Update

Yorgy · #1 (**permalink**) 03-01-2007

Hello,

Does anyone know how can I verify if the DST update on a SCO Unixware system has been installed successfully? UNIXWARE 7.1.4 MP3

Looking forward to some help, please....

Thanks

jim mcnamara · #2 (**permalink**) 03-01-2007

print the curretime, add 20 days to it and see what you get:

Code:

#include <time.h>
void mytime(time_t *val)
{
	struct tm *p=localtime(val);
	char tmp[80]={0x0};
	strftime(tmp, 80, "%d-%b-%Y:%H:%M:%S %Z", p);
	printf("%s\n", tmp);
}

int main()
{
	time_t lt=time(NULL);

	mytime(&lt);
	lt+=20*86400;
	mytime(&lt);
	return 0;
}

I get

Code:

kcsdev:/home/jmcnama> cc dst.c
kcsdev:/home/jmcnama> ./a.out
01-Mar-2007:10:31:25 MST
21-Mar-2007:11:31:25 MDT
kcsdev:/home/jmcnama>

Yorgy · #3 (**permalink**) 03-01-2007

Thank you for your quick reply.

Could you please tell me what Shell are you using for this code?
BASH does not seem to like it... :-(

BOFH · #4 (**permalink**) 03-01-2007

It's a c program. You have to compile it. He created it as dst.c (look in the second example), compiled it with cc and then ran a.out, the resulting compiled binary.

Carl

Yorgy · #5 (**permalink**) 03-01-2007

I appreciate the help, it worked as specified!
Thanks!

MizzGail · #6 (**permalink**) 03-01-2007

My c compiler is not working. I have a request into my admin.
I found a date calc by searching the forums, but nothing with time.
Is there a way to do this easily in ksh?

thanks

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