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aa7bb4f36d
On error, asprintf returns -1 and the contents of the string pointer is undefined. In the rest of the libvirt code, the virAsprintf wrapper takes care of that. Check the return value and report a generic error, since we purposefully avoid linking to virutil.
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>