Re: [PATCH] Do partial xfers from trace file

[Mike Frysinger <vapier at gentoo dot org>]

On Tuesday 13 April 2010 12:26:38 Tom Tromey wrote:
> >>>>> "Stan" == Stan Shebs <stan@codesourcery.com> writes:
> >> tracepoint.c:3895: error: ignoring return value of âreadâ, declared
> >> with attribute warn_unused_result
> 
> Stan> It's a little weird that some people get a complaint and others
> Stan> don't...  In any case, it's just an oversight, all the other read
> Stan> results are being checked, and so I just committed the fix below.
> 
> There is a distro difference here.  Some distros have warn_unused_result
> enabled by default on some functions.

not exactly ... all distros that keep up with mainline glibc have this 
enumeration.  some distros (like Ubuntu and Gentoo) enable _FORTIFY_SOURCE by 
default in their gcc which signals glibc to apply the warn_unused_result 
attribute to a lot of functions (like read()).
-mike

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