From be959463afd3e257611d6b6ab98d24c0c94d4e3d Mon Sep 17 00:00:00 2001 From: aliguori Date: Thu, 5 Feb 2009 21:23:54 +0000 Subject: [PATCH] Add qemu_iovec_reset() (Avi Kivity) Add a helper to zero out an existing iovec. Removes the need to deallocate and reallocate it. Signed-off-by: Avi Kivity Signed-off-by: Anthony Liguori git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6523 c046a42c-6fe2-441c-8c8c-71466251a162 --- cutils.c | 6 ++++++ qemu-common.h | 1 + 2 files changed, 7 insertions(+) diff --git a/cutils.c b/cutils.c index 1090aa4c7..658746b8f 100644 --- a/cutils.c +++ b/cutils.c @@ -129,6 +129,12 @@ void qemu_iovec_destroy(QEMUIOVector *qiov) qemu_free(qiov->iov); } +void qemu_iovec_reset(QEMUIOVector *qiov) +{ + qiov->niov = 0; + qiov->size = 0; +} + void qemu_iovec_to_buffer(QEMUIOVector *qiov, void *buf) { uint8_t *p = (uint8_t *)buf; diff --git a/qemu-common.h b/qemu-common.h index 8aef55867..db3349315 100644 --- a/qemu-common.h +++ b/qemu-common.h @@ -201,6 +201,7 @@ typedef struct QEMUIOVector { void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint); void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len); void qemu_iovec_destroy(QEMUIOVector *qiov); +void qemu_iovec_reset(QEMUIOVector *qiov); void qemu_iovec_to_buffer(QEMUIOVector *qiov, void *buf); void qemu_iovec_from_buffer(QEMUIOVector *qiov, const void *buf, size_t count); -- 2.39.5