From: Anthony Liguori <anthony@codemonkey.ws>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [6523] Add qemu_iovec_reset() (Avi Kivity)
Date: Thu, 05 Feb 2009 21:23:54 +0000 [thread overview]
Message-ID: <E1LVBhS-0005rR-OO@cvs.savannah.gnu.org> (raw)
Revision: 6523
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6523
Author: aliguori
Date: 2009-02-05 21:23:54 +0000 (Thu, 05 Feb 2009)
Log Message:
-----------
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 <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Modified Paths:
--------------
trunk/cutils.c
trunk/qemu-common.h
Modified: trunk/cutils.c
===================================================================
--- trunk/cutils.c 2009-02-05 21:23:50 UTC (rev 6522)
+++ trunk/cutils.c 2009-02-05 21:23:54 UTC (rev 6523)
@@ -129,6 +129,12 @@
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;
Modified: trunk/qemu-common.h
===================================================================
--- trunk/qemu-common.h 2009-02-05 21:23:50 UTC (rev 6522)
+++ trunk/qemu-common.h 2009-02-05 21:23:54 UTC (rev 6523)
@@ -201,6 +201,7 @@
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);
reply other threads:[~2009-02-05 21:23 UTC|newest]
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