[Libguestfs] [PATCH libnbd v2 0/2] Enhance libev example

- Add FAIL macro to simplfy error handling. - Support simple sparsification using full requests. Changes since v1: - Keep example standalone by not using izzero.h (Rich) - Use nbd_zero only if destination supports zero (Eric) - Fix whitespace in one DEBUG call Nir Soffer (2): examples: copy-libev: Add FAIL macro examples: copy-libev.c: Simple sparsifying examples/copy-libev.c | 175 +++++++++++++++++++++++++++--------------- 1 file changed, 115 insertions(+), 60 deletions(-) -- 2.26.2