util: choose whether to require micro in version strings
To avoid regressions, we let callers specify whether to require a minor and micro version. Callers that were parsing uname() output benefit from defaulting to 0, whereas callers that were parsing version strings from other sources should not change in behavior. * src/util/util.c (virParseVersionString): Allow caller to choose whether to fail if minor or micro is missing. * src/util/util.h (virParseVersionString): Update signature. * src/esx/esx_driver.c (esxGetVersion): Update callers. * src/lxc/lxc_driver.c (lxcVersion): Likewise. * src/openvz/openvz_conf.c (openvzExtractVersionInfo): Likewise. * src/uml/uml_driver.c (umlGetVersion): Likewise. * src/vbox/vbox_MSCOMGlue.c (vboxLookupVersionInRegistry): Likewise. * src/vbox/vbox_tmpl.c (vboxExtractVersion): Likewise. * src/vmware/vmware_conf.c (vmwareExtractVersion): Likewise. * src/xenapi/xenapi_driver.c (xenapiGetVersion): Likewise. Reported by Matthias Bolte.
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