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Eric Blake
eae6310649
util: improve user lookup helper
https://bugzilla.redhat.com/show_bug.cgi?id=964358 A future patch needs to look up pw_gid; but it is wasteful to crawl through getpwuid_r twice for two separate pieces of information, and annoying to copy that much boilerplate code for doing the crawl. The current internal-only virGetUserEnt is also a rather awkward interface; it's easier to just design it to let callers request multiple pieces of data as needed from one traversal. And while at it, I noticed that virGetXDGDirectory could deref NULL if the getpwuid_r lookup fails. * src/util/virutil.c (virGetUserEnt): Alter signature. (virGetUserDirectory, virGetXDGDirectory, virGetUserName): Adjust callers. Signed-off-by: Eric Blake <eblake@redhat.com> (cherry picked from commit c1983ba4e3902308054e961fcae75cece73ef4ba) Conflicts: src/util/virutil.c - oom reporting changes not backported
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>
Description
Libvirt provides a portable, long term stable C API for managing the
virtualization technologies provided by many operating systems. It
includes support for QEMU, KVM, Xen, LXC, bhyve, Virtuozzo, VMware
vCenter and ESX, VMware Desktop, Hyper-V, VirtualBox and the POWER
Hypervisor.
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