Citeren Charles Lepple <[email protected]>:
+ fprintf(stderr, "%4.0f.%06ld\t", difftime(now.tv_sec,
start.tv_sec), now.tv_usec - start.tv_usec);
With the difftime() macro, wouldn't it be possible to just use a
single %f (with appropriate field widths)?
Although difftime() returns a (double) time difference, the parameters
it takes are in (time_t) seconds. On many platforms, (time_t) is a
32-bit signed integer, so doing that would leave us without sub-second
resolution. Therefor I prefer to use gettimeofday() here which returns
(struct timeval) with a microsecond resolution, instead of time()
which might return something with sub-second resolution, but in many
cases won't.
I know I need to fix the character encoding issue, but here's the
latest from Buildbot on OS X:
http://buildbot.ghz.cc/public/nut/builders/MacOSX-10.5/builds/0/steps/compile/logs/warnings
Historically, struct timeval would return the microseconds as a (long)
value and only relatively recently this was changed to (suseconds_t).
However, we could probably safely cast this to (long), which is large
enough for the range we need here (0..1999998).
Best regards, Arjen
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