Re: [PATCH 14/19] src: add constants for domain stats 'perf.' parameters

Contrary to most APIs returning typed parameters, there are no constants defined for the domain stats data keys. This is was because many of the keys needs to be dynamically constructed using one or more array index values. It is possible to define constants while still supporting dynamic array indexes by simply defining the prefixes and suffixes as constants. The consuming code can then combine the constants with array index value. With this approach, it is practical to add constants for the domain stats API keys. Signed-off-by: Daniel P. Berrangé <berrange(a)redhat.com&gt; --- include/libvirt/libvirt-domain.h | 224 +++++++++++++++++++++++++++++++ src/libvirt-domain.c | 68 +--------- src/qemu/qemu_driver.c | 35 ++++- 3 files changed, 260 insertions(+), 67 deletions(-)