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popen must be matched with pclose (not fclose), or it will leak resources. Furthermore, it is a lousy interface when it comes to signal handling. We're much better off using our decent command wrapper. Note that virCommand guarantees that VIR_FREE(outbuf) is both required and safe to call, whether virCommandRun succeeded or failed. * src/openvz/openvz_conf.c (openvzLoadDomains, openvzGetVEID): Replace popen with virCommand usage.
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>