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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 8d8527de32 build: silence stupid gcc warning on STREQ_NULLABLE 
Our existing STRNEQ_NULLABLE() triggered a warning in gcc 4.7 when
used with a literal NULL argument:

qemumonitorjsontest.c: In function 'testQemuMonitorJSONGetMachines':
qemumonitorjsontest.c:289:5: error: null argument where non-null required (argument 1) [-Werror=nonnull]

even though the strcmp is provably dead when a null argument is
present.  Squelch the warning by refactoring things so that gcc
never sees strcmp() called with NULL arguments (we still compare
NULL as not equal to "", this rewrite merely aids gcc).

Next, gcc has a valid warning about a literal NULLSTR(NULL):

qemumonitorjsontest.c:289:5: error: invalid application of 'sizeof' to a void type [-Werror=pointer-arith]

Of course, you'd never write NULLSTR(NULL) directly, but it is
handy to use through macros.  But the entire part about verify_true()
is unnecessary - gcc already warns about type mismatch with ?:,
without needing to make it more complex.

* src/internal.h (STREQ_NULLABLE, STRNEQ_NULLABLE): Avoid gcc 4.7
stupidity.
(NULLSTR): Simplify, to allow passing compile-time constants.
2012-08-21 09:20:50 -06:00
.gnulib@271dd74fdf random: link with -lm when needed 2012-08-14 15:33:10 -06:00
build-aux Remove tabs from all perl files & enforce this 2012-07-30 13:09:57 +01:00
daemon Update the remote API 2012-08-20 19:14:30 +02:00
docs Multiple security drivers in XML data 2012-08-20 19:13:33 +02:00
examples examples: Update strings for event details 2012-08-09 15:34:47 +02:00
gnulib build: fix fresh checkout on RHEL5 2012-04-19 17:11:43 -06:00
include libssh2_transport: add main libssh2 transport implementation 2012-08-21 14:47:09 +02:00
m4 build: avoid warnings on older gcc 2012-08-15 13:30:21 -06:00
po libssh2_transport: add main libssh2 transport implementation 2012-08-21 14:47:09 +02:00
python Update the remote API 2012-08-20 19:14:30 +02:00
src build: silence stupid gcc warning on STREQ_NULLABLE 2012-08-21 09:20:50 -06:00
tests Add test case for SELinux label generation 2012-08-21 11:37:57 +01:00
tools virsh: split out virsh-volume.c 2012-08-21 00:23:12 -06:00
.dir-locals.el maint: let emacs avoid tabs in rng files 2011-08-13 08:56:26 -06:00
.gitignore Add test case for SELinux label generation 2012-08-21 11:37:57 +01:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap build: fix author of previous commit 2012-08-09 15:39:34 -06:00
AUTHORS Adding Sukadev Bhattiprolu 2012-08-15 15:57:53 +08:00
autobuild.sh Switch automated builds to use Mingw64 toolchain instead of Mingw32 2012-06-25 10:41:10 +01:00
autogen.sh Allow NOCONFIGURE=1 to make autogen.sh skip ./configure 2012-06-25 10:41:10 +01:00
bootstrap maint: regenerate bootstrap 2012-07-27 09:34:04 -06:00
bootstrap.conf random: link with -lm when needed 2012-08-14 15:33:10 -06:00
cfg.mk maint: prohibit translations in testsuite 2012-08-20 09:34:22 -06:00
ChangeLog-old virterror.c: Fix several spelling mistakes 2012-02-03 11:32:51 -07:00
configure.ac libssh2_transport: add main libssh2 transport implementation 2012-08-21 14:47:09 +02:00
COPYING.LIB remove all trailing blank lines 2009-07-16 15:06:42 +02:00
HACKING docs: Improve patch submission guidelines 2012-07-16 11:05:12 +02:00
libvirt.pc.in build: silence warning from autoconf 2012-05-30 09:22:02 -06:00
libvirt.spec.in spec: Remove extra () with return statement 2012-08-01 13:09:57 +02:00
Makefile.am Switch automated builds to use Mingw64 toolchain instead of Mingw32 2012-06-25 10:41:10 +01:00
Makefile.nonreentrant Ban use of all inet_* functions 2010-10-22 11:59:23 +01:00
mingw-libvirt.spec.in parallels: add driver skeleton 2012-08-01 11:44:26 +08:00
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
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>