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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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Eric Blake ceefdec93c docs: publish correct enum values 
We publish libvirt-api.xml for others to use, and in fact, the
libvirt-python bindings use it to generate python constants that
correspond to our enum values.  However, we had an off-by-one bug
that any enum that relied on C's rules for implicit initialization
of the first enum member to 0 got listed in the xml as having a
value of 1 (and all later members of the enum were equally
botched).

The fix is simple - since we add one to the previous value when
encountering an enum without an initializer, the previous value
must start at -1 so that the first enum member is assigned 0.

The python generator code has had the off-by-one ever since DV
first wrote it years ago, but most of our public enums were immune
because they had an explicit = 0 initializer.  The only affected
enums are:
- virDomainEventGraphicsAddressType (such as
VIR_DOMAIN_EVENT_GRAPHICS_ADDRESS_IPV4), since commit 987e31e
(libvirt v0.8.0)
- virDomainCoreDumpFormat (such as VIR_DOMAIN_CORE_DUMP_FORMAT_RAW),
since commit 9fbaff0 (libvirt v1.2.3)
- virIPAddrType (such as VIR_IP_ADDR_TYPE_IPV4), since commit
03e0e79 (not yet released)

Thanks to Nehal J Wani for reporting the problem on IRC, and
for helping me zero in on the culprit function.

* docs/apibuild.py (CParser.parseEnumBlock): Fix implicit enum
values.

Signed-off-by: Eric Blake <eblake@redhat.com>
(cherry picked from commit 9b291bbe20)

Conflicts:
	docs/apibuild.py - context with 2a40951
2014-06-26 17:08:15 -06:00
.gnulib@644c40496c maint: update to latest gnulib 2013-07-29 15:59:14 -06:00
build-aux Document bracket whitespace rules & add syntax-check rule 2012-11-02 14:00:32 +00:00
daemon Fix crash in remoteDispatchDomainMemoryStats (CVE-2013-4296) 2013-09-18 14:03:38 -06:00
docs docs: publish correct enum values 2014-06-26 17:08:15 -06:00
examples examples: fix mingw build vs. printf 2013-07-29 16:20:29 -06:00
gnulib maint: update to latest gnulib 2013-01-02 09:38:30 -07:00
include Add a virGetLastErrorMessage() function 2013-06-12 16:37:55 -04:00
m4 Fix build with clang 2013-07-29 15:59:21 -06:00
po Prep for release 1.0.5.9 2014-01-16 20:33:29 -05:00
python Return right error code for baselineCPU 2013-12-14 13:39:20 -05:00
src qemu: blockcopy: Don't remove existing disk mirror info 2014-06-26 17:07:57 -06:00
tests Don't ignore errors parsing nwfilter rules 2014-02-06 15:05:31 +02:00
tools libvirt-guests: Run only after libvirtd 2013-11-20 09:04:09 -05:00
.dir-locals.el build: avoid tabs that failed syntax-check 2012-09-06 09:43:46 -06:00
.gitignore Add a test suite for cgroups functionality 2013-04-15 17:35:31 +01:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap Autogenerate AUTHORS 2012-10-19 12:44:56 -04:00
AUTHORS.in Add John Ferlan to the committers list 2013-02-05 10:59:32 -05:00
autobuild.sh Disable static libraries by default 2013-04-03 11:02:27 +01:00
autogen.sh build: honor autogen.sh --no-git 2013-07-29 15:58:59 -06:00
bootstrap maint: update to latest gnulib 2013-07-29 15:59:14 -06:00
bootstrap.conf maint: update to latest gnulib 2013-07-29 15:59:14 -06:00
cfg.mk build: honor autogen.sh --no-git 2013-07-29 15:58:59 -06:00
ChangeLog-old virterror.c: Fix several spelling mistakes 2012-02-03 11:32:51 -07:00
configure.ac Prep for release 1.0.5.9 2014-01-16 20:33:29 -05:00
COPYING.LIB Update to COPYING.LIB to latest LGPLv2.1 copy 2013-03-15 10:50:32 +01:00
HACKING Fix minor typos in messages and docs 2014-02-18 17:37:25 +00:00
libvirt.pc.in build: silence warning from autoconf 2012-05-30 09:22:02 -06:00
libvirt.spec.in Prep for release 1.0.5.9 2014-01-16 20:33:29 -05:00
Makefile.am build: Fix AUTHORS generation 2012-12-17 21:17:55 +01:00
Makefile.nonreentrant Ban use of all inet_* functions 2010-10-22 11:59:23 +01:00
mingw-libvirt.spec.in test: Return Libvirt logo as domain screenshot 2013-04-02 14:38:56 +02:00
README Correct typos in the documentation (Atsushi SAKAI) 2008-01-24 10:15:13 +00:00
README-hacking maint: relax git minimum version 2010-02-24 14:29:27 -05:00
run.in run: license as LGPL 2013-02-23 14:03:19 -07:00
TODO Update todo list file to point at bugzilla/website 2010-10-13 16:45:26 +01:00

README 

         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>