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57 lines
2.3 KiB
C
57 lines
2.3 KiB
C
/*-
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* Copyright (c) 2003, 2004 David Young. 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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* 3. The name of David Young may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY DAVID YOUNG ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DAVID
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* YOUNG BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* 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
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* OF SUCH DAMAGE.
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*/
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#ifndef _CPACK_H
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#define _CPACK_H
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struct cpack_state {
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uint8_t *c_buf;
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uint8_t *c_next;
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size_t c_len;
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};
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int cpack_init(struct cpack_state *, uint8_t *, size_t);
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int cpack_uint8(struct cpack_state *, uint8_t *);
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int cpack_uint16(struct cpack_state *, uint16_t *);
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int cpack_uint32(struct cpack_state *, uint32_t *);
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int cpack_uint64(struct cpack_state *, uint64_t *);
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uint8_t *cpack_next_boundary(uint8_t *buf, uint8_t *p, size_t alignment);
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uint8_t *cpack_align_and_reserve(struct cpack_state *cs, size_t wordsize);
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#define cpack_int8(__s, __p) cpack_uint8((__s), (uint8_t*)(__p))
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#define cpack_int16(__s, __p) cpack_uint16((__s), (uint16_t*)(__p))
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#define cpack_int32(__s, __p) cpack_uint32((__s), (uint32_t*)(__p))
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#define cpack_int64(__s, __p) cpack_uint64((__s), (uint64_t*)(__p))
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extern int cpack_advance(struct cpack_state *, const size_t);
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#endif /* _CPACK_H */
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