On 24/01/2014 17:08, Derek Atkins wrote:
John Ralls <jra...@ceridwen.us> writes:
if (sizeof(time_t) == 8)
return (double)((int64)time1 - (int64)time2);
else
return (double)((int32)time1 - (int32)time2);
This code probably wouldn't compile cleanly. It would complain about
casting to different sizes. Even though theoretically the compiler
should be able to optimize the branch by noticing that it is always true
or always false, it will still complain about the unused branch. (I
know this from personal experience).
That could be done as a macro and inserted into one of the header
files in each library.
Regards,
John Ralls
-derek
Given that time_t is always a signed integer value, wouldn't
return (double)(time1-time2)
just work anyway, at least as far as a patch for mingw is concerned?
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