9014a6e40c
Mainly focus on files that use BSD 2-Clause license, however the tool I was using mis-identified many licenses so this was mostly a manual - error prone - task. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts.
116 lines
3.0 KiB
C
116 lines
3.0 KiB
C
/* $FreeBSD$ */
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/* $NetBSD: citrus_region.h,v 1.7 2008/02/09 14:56:20 junyoung Exp $ */
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/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c)2003 Citrus Project,
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#ifndef _CITRUS_REGION_H_
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#define _CITRUS_REGION_H_
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#include <sys/types.h>
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struct _citrus_region {
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void *r_head;
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size_t r_size;
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};
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static __inline void
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_citrus_region_init(struct _citrus_region *r, void *h, size_t sz)
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{
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r->r_head = h;
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r->r_size = sz;
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}
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static __inline void *
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_citrus_region_head(const struct _citrus_region *r)
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{
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return (r->r_head);
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}
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static __inline size_t
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_citrus_region_size(const struct _citrus_region *r)
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{
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return (r->r_size);
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}
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static __inline int
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_citrus_region_check(const struct _citrus_region *r, size_t ofs, size_t sz)
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{
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return (r->r_size >= ofs + sz ? 0 : -1);
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}
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static __inline void *
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_citrus_region_offset(const struct _citrus_region *r, size_t pos)
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{
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return ((void *)((uint8_t *)r->r_head + pos));
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}
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static __inline uint8_t
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_citrus_region_peek8(const struct _citrus_region *r, size_t pos)
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{
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return (*(uint8_t *)_citrus_region_offset(r, pos));
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}
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static __inline uint16_t
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_citrus_region_peek16(const struct _citrus_region *r, size_t pos)
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{
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uint16_t val;
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memcpy(&val, _citrus_region_offset(r, pos), (size_t)2);
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return (val);
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}
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static __inline uint32_t
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_citrus_region_peek32(const struct _citrus_region *r, size_t pos)
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{
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uint32_t val;
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memcpy(&val, _citrus_region_offset(r, pos), (size_t)4);
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return (val);
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}
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static __inline int
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_citrus_region_get_subregion(struct _citrus_region *subr,
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const struct _citrus_region *r, size_t ofs, size_t sz)
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{
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if (_citrus_region_check(r, ofs, sz))
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return (-1);
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_citrus_region_init(subr, _citrus_region_offset(r, ofs), sz);
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return (0);
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}
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#endif
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