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I built without yajl support, and noticed a strange failure message in qemumonitorjsontest: 2013-02-22 16:12:37.503+0000: 19812: error : virJSONValueToString:1119 : internal error No JSON parser implementation is available 2013-02-22 16:12:37.503+0000: 19812: error : qemuMonitorJSONCommandWithFd:253 : out of memory While a later patch will fix the test to skip when json is not present, this patch avoids overriding the more useful error message from virJSONValueToString returning NULL. * src/qemu/qemu_monitor_json.c (qemuMonitorJSONCommandWithFd): Don't override message. (qemuMonitorJSONCheckError): Don't print NULL. * src/qemu/qemu_agent.c (qemuAgentCommand): Don't override message. (qemuAgentCheckError): Don't print NULL. (qemuAgentArbitraryCommand): Properly fail on OOM.
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>