The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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

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    1 /*-
    2  * Copyright (c) 2009-2013 The FreeBSD Foundation
    3  * All rights reserved.
    4  *
    5  * This software was developed by Pawel Jakub Dawidek under sponsorship from
    6  * the FreeBSD Foundation.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
   18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
   21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   27  * SUCH DAMAGE.
   28  *
   29  * $FreeBSD: releng/10.4/sys/sys/nvpair_impl.h 292973 2015-12-31 03:28:14Z ngie $
   30  */
   31 
   32 #ifndef _NVPAIR_IMPL_H_
   33 #define _NVPAIR_IMPL_H_
   34 
   35 #include <sys/queue.h>
   36 
   37 #ifndef _KERNEL
   38 #include <stdint.h>
   39 #endif
   40 
   41 #include "nv.h"
   42 
   43 TAILQ_HEAD(nvl_head, nvpair);
   44 
   45 void nvpair_assert(const nvpair_t *nvp);
   46 nvlist_t *nvpair_nvlist(const nvpair_t *nvp);
   47 nvpair_t *nvpair_next(const nvpair_t *nvp);
   48 nvpair_t *nvpair_prev(const nvpair_t *nvp);
   49 void nvpair_insert(struct nvl_head *head, nvpair_t *nvp, nvlist_t *nvl);
   50 void nvpair_remove(struct nvl_head *head, nvpair_t *nvp, const nvlist_t *nvl);
   51 size_t nvpair_header_size(void);
   52 size_t nvpair_size(const nvpair_t *nvp);
   53 const unsigned char *nvpair_unpack(bool isbe, const unsigned char *ptr,
   54     size_t *leftp, nvpair_t **nvpp);
   55 void nvpair_free_structure(nvpair_t *nvp);
   56 void nvpair_init_datasize(nvpair_t *nvp);
   57 const char *nvpair_type_string(int type);
   58 
   59 /* Pack functions. */
   60 unsigned char *nvpair_pack_header(const nvpair_t *nvp, unsigned char *ptr,
   61     size_t *leftp);
   62 unsigned char *nvpair_pack_null(const nvpair_t *nvp, unsigned char *ptr,
   63     size_t *leftp);
   64 unsigned char *nvpair_pack_bool(const nvpair_t *nvp, unsigned char *ptr,
   65     size_t *leftp);
   66 unsigned char *nvpair_pack_number(const nvpair_t *nvp, unsigned char *ptr,
   67     size_t *leftp);
   68 unsigned char *nvpair_pack_string(const nvpair_t *nvp, unsigned char *ptr,
   69     size_t *leftp);
   70 unsigned char *nvpair_pack_descriptor(const nvpair_t *nvp, unsigned char *ptr,
   71     int64_t *fdidxp, size_t *leftp);
   72 unsigned char *nvpair_pack_binary(const nvpair_t *nvp, unsigned char *ptr,
   73     size_t *leftp);
   74 unsigned char *nvpair_pack_nvlist_up(unsigned char *ptr, size_t *leftp);
   75 
   76 /* Unpack data functions. */
   77 const unsigned char *nvpair_unpack_header(bool isbe, nvpair_t *nvp,
   78     const unsigned char *ptr, size_t *leftp);
   79 const unsigned char *nvpair_unpack_null(bool isbe, nvpair_t *nvp,
   80     const unsigned char *ptr, size_t *leftp);
   81 const unsigned char *nvpair_unpack_bool(bool isbe, nvpair_t *nvp,
   82     const unsigned char *ptr, size_t *leftp);
   83 const unsigned char *nvpair_unpack_number(bool isbe, nvpair_t *nvp,
   84     const unsigned char *ptr, size_t *leftp);
   85 const unsigned char *nvpair_unpack_string(bool isbe, nvpair_t *nvp,
   86     const unsigned char *ptr, size_t *leftp);
   87 const unsigned char *nvpair_unpack_nvlist(bool isbe, nvpair_t *nvp,
   88     const unsigned char *ptr, size_t *leftp, size_t nvlist, nvlist_t **child);
   89 const unsigned char *nvpair_unpack_descriptor(bool isbe, nvpair_t *nvp,
   90     const unsigned char *ptr, size_t *leftp, const int *fds, size_t nfds);
   91 const unsigned char *nvpair_unpack_binary(bool isbe, nvpair_t *nvp,
   92     const unsigned char *ptr, size_t *leftp);
   93 
   94 #endif  /* !_NVPAIR_IMPL_H_ */

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