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由 Eric Blake 提交于
While working with a pmsuspend vs. snapshot issue, I noticed that the state file in /var/run/libvirt/qemu/dom.xml contained a rather suspicious "(null)" string, which does not round-trip well through a libvirtd restart. Had I been on a platform other than glibc where printf("%s",NULL) crashes instead of printing (null), we might have noticed the problem much sooner. And in fixing that problem, I also noticed that we had several missing states, because we were #defining several *_LAST names to a value _different_ than what they were already given as enums in libvirt.h. Yuck. I got rid of default: labels in the case statements, because they get in the way of gcc's -Wswitch helping us ensure we cover all enum values. * src/conf/domain_conf.c (virDomainStateReasonToString) (virDomainStateReasonFromString): Fill in missing domain states; rewrite case statement to let compiler enforce checking. (VIR_DOMAIN_NOSTATE_LAST, VIR_DOMAIN_RUNNING_LAST) (VIR_DOMAIN_BLOCKED_LAST, VIR_DOMAIN_PAUSED_LAST) (VIR_DOMAIN_SHUTDOWN_LAST, VIR_DOMAIN_SHUTOFF_LAST) (VIR_DOMAIN_CRASHED_LAST): Drop dead defines. (VIR_DOMAIN_PMSUSPENDED_LAST): Drop dead define. (virDomainPMSuspendedReason): Add missing enum function. (virDomainRunningReason, virDomainPausedReason): Add missing enum value. * src/conf/domain_conf.h (virDomainPMSuspendedReason): Declare missing functions. * src/libvirt_private.syms (domain_conf.h): Export them.
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