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6731a6805d
We have many places where the earliest error returns from a function
skip any cleanup label at the bottom (the assumption being that it is
so early in the function that there isn't yet anything that needs to
be explicitly undone on failure). But in general it is a bad sign if
there are any direct "return" statements in a function at any time
after there has been a "goto cleanup" - that indicates someone thought
that an earlier point in the code had done something needing cleanup,
so we shouldn't be skipping it.
There were two occurences of a "return -1" after "goto cleanup" in
qemuDomainAttachDeviceNet(). The first of these has been around for a
very long time (since 2013) and my assumption is that the earlier
"goto cleanup" didn't exist at that time (so it was proper), and when
the code further up in the function was added, the this return -1 was
missed. The second was added during a mass change to check the return
from qemuInterfacePrepareSlirp() in several places (commit
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| NEWS.rst | ||
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| run.in | ||
.. image:: https://gitlab.com/libvirt/libvirt/badges/master/pipeline.svg
:target: https://gitlab.com/libvirt/libvirt/pipelines
:alt: GitLab CI Build Status
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==============================
Libvirt API for virtualization
==============================
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.
For some of these hypervisors, it provides a stateful management
daemon which runs on the virtualization host allowing access to the
API both by non-privileged local users and remote users.
Layered packages provide bindings of the libvirt C API into other
languages including Python, Perl, PHP, Go, Java, OCaml, as well as
mappings into object systems such as GObject, CIM and SNMP.
Further information about the libvirt project can be found on the
website:
https://libvirt.org
License
=======
The libvirt C API is distributed under the terms of GNU Lesser General
Public License, version 2.1 (or later). Some parts of the code that are
not part of the C library may have the more restrictive GNU General
Public License, version 2.0 (or later). See the files ``COPYING.LESSER``
and ``COPYING`` for full license terms & conditions.
Installation
============
Instructions on building and installing libvirt can be found on the website:
https://libvirt.org/compiling.html
Contributing
============
The libvirt project welcomes contributions in many ways. For most components
the best way to contribute is to send patches to the primary development
mailing list. Further guidance on this can be found on the website:
https://libvirt.org/contribute.html
Contact
=======
The libvirt project has two primary mailing lists:
* libvirt-users@redhat.com (**for user discussions**)
* libvir-list@redhat.com (**for development only**)
Further details on contacting the project are available on the website:
https://libvirt.org/contact.html