qemu/iov.h
Gerd Hoffmann 8d15028ec0 Add iov_clear()
Fill the spefified area with zeros.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-08-04 15:51:22 +02:00

24 lines
907 B
C

/*
* Helpers for getting linearized buffers from iov / filling buffers into iovs
*
* Copyright (C) 2010 Red Hat, Inc.
*
* Author(s):
* Amit Shah <amit.shah@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2. See
* the COPYING file in the top-level directory.
*/
#include "qemu-common.h"
size_t iov_from_buf(struct iovec *iov, unsigned int iov_cnt,
const void *buf, size_t iov_off, size_t size);
size_t iov_to_buf(const struct iovec *iov, const unsigned int iov_cnt,
void *buf, size_t iov_off, size_t size);
size_t iov_size(const struct iovec *iov, const unsigned int iov_cnt);
size_t iov_clear(const struct iovec *iov, const unsigned int iov_cnt,
size_t iov_off, size_t size);
void iov_hexdump(const struct iovec *iov, const unsigned int iov_cnt,
FILE *fp, const char *prefix, size_t limit);