From patchwork Tue Mar 16 18:51:23 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [7/9] QLIST: Introduce QLIST_COPY_HEAD Date: Tue, 16 Mar 2010 08:51:23 -0000 From: Juan Quintela X-Patchwork-Id: 47894 Message-Id: <233a28493393ba2abfd43592281523ec06d43cfd.1268765204.git.quintela@redhat.com> To: qemu-devel@nongnu.org This operation copies one head into other. Signed-off-by: Juan Quintela --- qemu-queue.h | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/qemu-queue.h b/qemu-queue.h index 1d07745..bf5cfdc 100644 --- a/qemu-queue.h +++ b/qemu-queue.h @@ -100,6 +100,10 @@ struct { \ (head)->lh_first = NULL; \ } while (/*CONSTCOND*/0) +#define QLIST_COPY_HEAD(head, origin) do { \ + (head)->lh_first = (origin)->lh_first; \ +} while (/*CONSTCOND*/0) + #define QLIST_INSERT_AFTER(listelm, elm, field) do { \ if (((elm)->field.le_next = (listelm)->field.le_next) != NULL) \ (listelm)->field.le_next->field.le_prev = \