[libvirt] [PATCH 5/5] read saved vm status on libvirtd startup

Daniel P. Berrange berrange at redhat.com
Fri Dec 12 20:30:26 UTC 2008


On Fri, Dec 12, 2008 at 11:38:59AM -0800, David Lutterkort wrote:
> On Fri, 2008-12-12 at 19:27 +0100, Guido Günther wrote:
> > diff --git a/src/qemu_driver.c b/src/qemu_driver.c
> > index d8b87e4..57a396c 100644
> > --- a/src/qemu_driver.c
> > +++ b/src/qemu_driver.c
> > @@ -183,6 +183,46 @@ qemudAutostartConfigs(struct qemud_driver *driver) {
> >  }
> >  
> > 
> > +static int
> > +qemudGetProcFD(pid_t pid, int fdnum)
> > +{
> > +    int fd;
> > +
> > +#ifdef __linux__
> > +    char *path = NULL;
> > +
> > +    if (!asprintf(&path, "/proc/%d/fd/%d", pid, fdnum)) {
> > +        qemudReportError(NULL, NULL, NULL, VIR_ERR_NO_MEMORY, NULL);
> > +        return -1;
> > +    }
> 
> One more use of asprintf that needs to set path = NULL on error.

This is crying out for us to write a virASprintf() that explicitly
always sets path = NULL upon failure. And then blacklist 'asprintf'
in make syntax-check.

Daniel
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