[PATCH 1/2] Cast clock_t type to unsigned long

H.J. Lu hjl.tools at gmail.com
Sun Apr 15 20:22:06 UTC 2012

On Sun, Apr 15, 2012 at 12:03 PM, Mike Frysinger <vapier at gentoo.org> wrote:
> On Sunday 15 April 2012 14:17:13 H.J. Lu wrote:
>> Linux kernel v3.4 adds x32 support whose clock_t is long long.  This
>> patch casts clock_t type to unsigned long for "%lu".
> shouldn't we cast it to long long then and use %llu ?

It also works for x32.

I don't think it makes a difference in practice.  I doubt clock_t value returns
by those system calls can overflow 32bit integer.



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