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107 lines
2.6 KiB
C
107 lines
2.6 KiB
C
/*-
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* Copyright (c) 2002 Thomas Moestl <tmm@FreeBSD.org>
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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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#ifndef _MKIMG_ENDIAN_H_
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#define _MKIMG_ENDIAN_H_
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#include <stdint.h>
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static __inline uint16_t
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be16dec(const void *pp)
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{
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uint8_t const *p = (uint8_t const *)pp;
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return ((p[0] << 8) | p[1]);
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}
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static __inline void
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be16enc(void *pp, uint16_t u)
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{
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uint8_t *p = (uint8_t *)pp;
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p[0] = (u >> 8) & 0xff;
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p[1] = u & 0xff;
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}
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static __inline void
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be32enc(void *pp, uint32_t u)
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{
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uint8_t *p = (uint8_t *)pp;
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p[0] = (u >> 24) & 0xff;
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p[1] = (u >> 16) & 0xff;
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p[2] = (u >> 8) & 0xff;
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p[3] = u & 0xff;
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}
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static __inline void
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be64enc(void *pp, uint64_t u)
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{
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uint8_t *p = (uint8_t *)pp;
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be32enc(p, (uint32_t)(u >> 32));
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be32enc(p + 4, (uint32_t)(u & 0xffffffffU));
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}
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static __inline uint16_t
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le16dec(const void *pp)
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{
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uint8_t const *p = (uint8_t const *)pp;
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return ((p[1] << 8) | p[0]);
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}
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static __inline void
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le16enc(void *pp, uint16_t u)
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{
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uint8_t *p = (uint8_t *)pp;
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p[0] = u & 0xff;
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p[1] = (u >> 8) & 0xff;
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}
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static __inline void
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le32enc(void *pp, uint32_t u)
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{
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uint8_t *p = (uint8_t *)pp;
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p[0] = u & 0xff;
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p[1] = (u >> 8) & 0xff;
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p[2] = (u >> 16) & 0xff;
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p[3] = (u >> 24) & 0xff;
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}
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static __inline void
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le64enc(void *pp, uint64_t u)
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{
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uint8_t *p = (uint8_t *)pp;
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le32enc(p, (uint32_t)(u & 0xffffffffU));
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le32enc(p + 4, (uint32_t)(u >> 32));
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}
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#endif /* _MKIMG_ENDIAN_H_ */
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