freebsd-skq/lib/libnv/nvpair_impl.h
Pawel Jakub Dawidek 8018334b70 Fix problem on big endian systems introduced in r271579 - when we were
returning from handling a nested nvlist we were resetting big-endian flag.

Reported by:	Kuleshov Aleksey @ yandex.ru
Tested by:	Kuleshov Aleksey @ yandex.ru
2014-10-09 20:55:05 +00:00

93 lines
4.0 KiB
C

/*-
* Copyright (c) 2009-2013 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Pawel Jakub Dawidek under sponsorship from
* the FreeBSD Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _NVPAIR_IMPL_H_
#define _NVPAIR_IMPL_H_
#include <sys/queue.h>
#include <stdint.h>
#include "nv.h"
TAILQ_HEAD(nvl_head, nvpair);
void nvpair_assert(const nvpair_t *nvp);
nvlist_t *nvpair_nvlist(const nvpair_t *nvp);
nvpair_t *nvpair_next(const nvpair_t *nvp);
nvpair_t *nvpair_prev(const nvpair_t *nvp);
void nvpair_insert(struct nvl_head *head, nvpair_t *nvp, nvlist_t *nvl);
void nvpair_remove(struct nvl_head *head, nvpair_t *nvp, const nvlist_t *nvl);
size_t nvpair_header_size(void);
size_t nvpair_size(const nvpair_t *nvp);
const unsigned char *nvpair_unpack(bool isbe, const unsigned char *ptr,
size_t *leftp, nvpair_t **nvpp);
void nvpair_free_structure(nvpair_t *nvp);
void nvpair_init_datasize(nvpair_t *nvp);
const char *nvpair_type_string(int type);
/* Pack functions. */
unsigned char *nvpair_pack_header(const nvpair_t *nvp, unsigned char *ptr,
size_t *leftp);
unsigned char *nvpair_pack_null(const nvpair_t *nvp, unsigned char *ptr,
size_t *leftp);
unsigned char *nvpair_pack_bool(const nvpair_t *nvp, unsigned char *ptr,
size_t *leftp);
unsigned char *nvpair_pack_number(const nvpair_t *nvp, unsigned char *ptr,
size_t *leftp);
unsigned char *nvpair_pack_string(const nvpair_t *nvp, unsigned char *ptr,
size_t *leftp);
unsigned char *nvpair_pack_descriptor(const nvpair_t *nvp, unsigned char *ptr,
int64_t *fdidxp, size_t *leftp);
unsigned char *nvpair_pack_binary(const nvpair_t *nvp, unsigned char *ptr,
size_t *leftp);
unsigned char *nvpair_pack_nvlist_up(unsigned char *ptr, size_t *leftp);
/* Unpack data functions. */
const unsigned char *nvpair_unpack_header(bool isbe, nvpair_t *nvp,
const unsigned char *ptr, size_t *leftp);
const unsigned char *nvpair_unpack_null(bool isbe, nvpair_t *nvp,
const unsigned char *ptr, size_t *leftp);
const unsigned char *nvpair_unpack_bool(bool isbe, nvpair_t *nvp,
const unsigned char *ptr, size_t *leftp);
const unsigned char *nvpair_unpack_number(bool isbe, nvpair_t *nvp,
const unsigned char *ptr, size_t *leftp);
const unsigned char *nvpair_unpack_string(bool isbe, nvpair_t *nvp,
const unsigned char *ptr, size_t *leftp);
const unsigned char *nvpair_unpack_nvlist(bool isbe, nvpair_t *nvp,
const unsigned char *ptr, size_t *leftp, size_t nvlist, nvlist_t **child);
const unsigned char *nvpair_unpack_descriptor(bool isbe, nvpair_t *nvp,
const unsigned char *ptr, size_t *leftp, const int *fds, size_t nfds);
const unsigned char *nvpair_unpack_binary(bool isbe, nvpair_t *nvp,
const unsigned char *ptr, size_t *leftp);
#endif /* !_NVPAIR_IMPL_H_ */