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If the regexes supported (?:pvs)?, then we could handle this by optionally matching but not returning the initial command name. But it doesn't. So add a new char* argument to virStorageBackendRunProgRegex(). If that argument is NULL then we act as usual. Otherwise, if the string at that argument is found at the start of a returned line, we drop that before running the regex. With this patch, virt-manager shows me lvs with command_names 1 or 0. The definitions of PVS_BASE etc may want to be moved into the configure scripts (though given how PVS is found, IIUC that could only happen if pvs was a link to pvs_real), but in any case no sense dealing with that until we're sure this is an ok way to handle it. Signed-off-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric Blake <eblake@redhat.com>
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>