[libvirt] [PATCH] Clarify documentation on possible return values in case of errors

Signed-off-by: Claudio Bley <cbley(a)av-test.de&gt; --- src/libvirt.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/src/libvirt.c b/src/libvirt.c index ffd4f8e..73972f2 100644 --- a/src/libvirt.c +++ b/src/libvirt.c @@ -14502,8 +14502,8 @@ virNodeDeviceGetName(virNodeDevicePtr dev) * * Accessor for the parent of the device * - * Returns the name of the device's parent, or NULL if the - * device has no parent. + * Returns the name of the device's parent, or NULL if an + * error occurred or when the device has no parent. */ const char * virNodeDeviceGetParent(virNodeDevicePtr dev) @@ -14537,7 +14537,8 @@ virNodeDeviceGetParent(virNodeDevicePtr dev) * * Accessor for the number of capabilities supported by the device. * - * Returns the number of capabilities supported by the device. + * Returns the number of capabilities supported by the device or -1 + * in case of error. */ int virNodeDeviceNumOfCaps(virNodeDevicePtr dev) @@ -14576,7 +14577,8 @@ error: * * Lists the names of the capabilities supported by the device. * - * Returns the number of capability names listed in @names. + * Returns the number of capability names listed in @names or -1 + * in case of error. */ int virNodeDeviceListCaps(virNodeDevicePtr dev, -- 1.7.9.5