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When building with static analysis enabled, we turn on attribute nonnull checking. However, this caused the build to fail with: ../../src/util/virobject.c: In function 'virObjectOnceInit': ../../src/util/virobject.c:55:40: error: null argument where non-null required (argument 1) [-Werror=nonnull] Creation of the virObject class is the one instance where the parent class is allowed to be NULL. Making things conditional will let us keep static analysis checking for all other .c file callers, without breaking the build on this one exception. * src/util/virobject.c: Define witness. * src/util/virobject.h (virClassNew): Use it to force most callers to pass non-null parameter.
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>