[libvirt] [PATCH] update virGetVersion description

[Tiziano Mueller]

The current description suggests that you always have to provide
a valid typeVer pointer. But if you want only the libvirt version
it's also possible to set type and typeVer to NULL to skip the
hypervisor part.
---
 src/libvirt.c |   11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/libvirt.c b/src/libvirt.c
index e4b451e..a8b48ea 100644
--- a/src/libvirt.c
+++ b/src/libvirt.c
@@ -863,11 +863,12 @@ int virStateActive(void) {
  * @type: the type of connection/driver looked at
  * @typeVer: return value for the version of the hypervisor (OUT)
  *
- * Provides two information back, @libVer is the version of the library
- * while @typeVer will be the version of the hypervisor type @type against
- * which the library was compiled. If @type is NULL, "Xen" is assumed, if
- * @type is unknown or not available, an error code will be returned and
- * @typeVer will be 0.
+ * Provides two information back: @libVer is the version of the library
+ * and will always be set unless an error occurs, in which case an error
+ * code will be returned. If @typeVer is not NULL it will be set to the
+ * version of the hypervisor @type against which the library was compiled.
+ * If @type is NULL, "Xen" is assumed, if @type is unknown or not
+ * available, an error code will be returned and @typeVer will be 0.
  *
  * Returns -1 in case of failure, 0 otherwise, and values for @libVer and
  *       @typeVer have the format major * 1,000,000 + minor * 1,000 + release.
-- 
1.7.4.1