FreeBSD/Linux Kernel Cross Reference
sys/contrib/libnv/nvpair_impl.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2009-2013 The FreeBSD Foundation
      * Copyright (c) 2013-2015 Mariusz Zaborski <oshogbo@FreeBSD.org>
      * 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/nv.h>
    #include <sys/queue.h>
    
    #ifndef _KERNEL
    #include <stdint.h>
    #endif
    
    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);
    unsigned char *nvpair_pack_bool_array(const nvpair_t *nvp, unsigned char *ptr,
        size_t *leftp);
    unsigned char *nvpair_pack_number_array(const nvpair_t *nvp, unsigned char *ptr,
        size_t *leftp);
    unsigned char *nvpair_pack_string_array(const nvpair_t *nvp, unsigned char *ptr,
        size_t *leftp);
    unsigned char *nvpair_pack_descriptor_array(const nvpair_t *nvp,
        unsigned char *ptr, int64_t *fdidxp, size_t *leftp);
    unsigned char *nvpair_pack_nvlist_array_next(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 nfds, 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);
   const unsigned char *nvpair_unpack_bool_array(bool isbe, nvpair_t *nvp,
       const unsigned char *ptr, size_t *leftp);
   const unsigned char *nvpair_unpack_number_array(bool isbe, nvpair_t *nvp,
       const unsigned char *ptr, size_t *leftp);
   const unsigned char *nvpair_unpack_string_array(bool isbe, nvpair_t *nvp,
       const unsigned char *ptr, size_t *leftp);
   const unsigned char *nvpair_unpack_descriptor_array(bool isbe, nvpair_t *nvp,
       const unsigned char *ptr, size_t *leftp, const int *fds, size_t nfds);
   const unsigned char *nvpair_unpack_nvlist_array(bool isbe, nvpair_t *nvp,
       const unsigned char *ptr, size_t *leftp, nvlist_t **firstel);
   
   #endif  /* !_NVPAIR_IMPL_H_ */

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