On Wed, May 23, 2012 at 06:25:36PM -0300, Luiz Capitulino wrote:
> On Wed, 23 May 2012 15:08:43 -0500
> Michael Roth <mdr...@linux.vnet.ibm.com> wrote:
> 
> > On Wed, May 23, 2012 at 03:48:03PM -0300, Luiz Capitulino wrote:
> > > Build error found by buildbot:
> > > 
> > >  qga/commands-posix.c: In function 'qmp_guest_shutdown':
> > >  qga/commands-posix.c:65: error: 'environ' undeclared (first use in this 
> > > function)
> > >  qga/commands-posix.c:65: error: (Each undeclared identifier is reported 
> > > only once
> > >  qga/commands-posix.c:65: error: for each function it appears in.)
> > > 
> > > On F16 environ is declared in <unistd.h>, but that obviously doesn't
> > > happen on all systems.
> > > 
> > > Tested on OpenBSD 4.9.
> 
> Just tested on 5.1 too.
> 
> > > PS: I get zillions of -Wno-redundant-decls errors on OpenBSD 4.8 and still
> > >     get other warnnigs if I drop that flag.
> 
> All the -Wno-redundant-decls warnings are still there on 5.1, if I remove that
> flag I still get the following ones. Michael, do you want me to fix the 
> qemu-ga
> one for 1.1?

I'll take a patch, but unless it constitutes a build fix or an actual
overrun I don't think it's worth targetting for 1.1

The sprintf() has been there for a while now so I think it's okay to fix
later since openbsd does seem to have enough coverage to catch qemu-ga
breakages and it hasn't been mentioned yet.

The usage will also be safe for any architecture where pid_t is
defined to be to be 2^64 or less, so we should be good there as well.

> 
>   LINK  qemu-ga
> /usr/local/lib/libglib-2.0.so.2992.0: warning: vsprintf() is often misused, 
> please use vsnprintf()
> /usr/local/lib/libglib-2.0.so.2992.0: warning: stpcpy() is dangerous GNU 
> crap; don't use it
> /usr/local/lib/libglib-2.0.so.2992.0: warning: strcpy() is almost always 
> misused, please use strlcpy()
> qemu-ga.o(.text+0x358): In function `ga_open_pidfile':
> /home/lcapitulino/qmp-unstable/qemu-ga.c:258: warning: sprintf() is often 
> misused, please use snprintf()
> 

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