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Reply-To: Brian DOT Inglis AT SystematicSw DOT ab DOT ca
Subject: Re: Bug in TIME function
To: cygwin AT cygwin DOT com
References: <009d01d56994$a8065040$f812f0c0$@twcny.rr.com>
From: Brian Inglis <Brian DOT Inglis AT SystematicSw DOT ab DOT ca>
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Date: Thu, 12 Sep 2019 12:44:47 -0600
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On 2019-09-12 12:05, tlake AT twcny DOT rr DOT com wrote:
> The code below returns -1. It shouldn't.
> #include <sys/times.h>
> #include <stdio.h>
> int main(int argc, char *argv[])
> {
>   printf("return value %ld\n", (long)times((struct tms*)0));
>   return 0;
> }

It should.
The times(3) function requires a pointer to object storage to return the results
which are its function.
An invalid pointer to object storage is an error, requiring -1 be returned and
errno set.
You should also print errno and strerror(errno).

-- 
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

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