1bd8919011
C99 allows array function parameters to use the static keyword for their sizes. This tells the compiler that the parameter will have at least the specified size, and calling code will fail to compile if that guarantee is not met. However, this syntax is not legal in C++. This commit reverts r300824, which worked around the problem for sys/sys/md5.h only, and introduces a new macro: min_size(). min_size(x) can be used in headers as a static array size, but will still compile in C++ mode. Reviewed by: cem, ed MFC after: 4 weeks Sponsored by: Spectra Logic Corp Differential Revision: https://reviews.freebsd.org/D8277
100 lines
3.0 KiB
C
100 lines
3.0 KiB
C
/*-
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* Copyright 2005 Colin Percival
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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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* $FreeBSD$
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*/
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#ifndef _SHA512_H_
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#define _SHA512_H_
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#ifndef _KERNEL
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#include <sys/types.h>
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#endif
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#define SHA512_BLOCK_LENGTH 128
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#define SHA512_DIGEST_LENGTH 64
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#define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
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typedef struct SHA512Context {
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uint64_t state[8];
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uint64_t count[2];
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uint8_t buf[SHA512_BLOCK_LENGTH];
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} SHA512_CTX;
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__BEGIN_DECLS
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/* Ensure libmd symbols do not clash with libcrypto */
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#ifndef SHA512_Init
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#define SHA512_Init _libmd_SHA512_Init
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#endif
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#ifndef SHA512_Update
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#define SHA512_Update _libmd_SHA512_Update
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#endif
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#ifndef SHA512_Final
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#define SHA512_Final _libmd_SHA512_Final
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#endif
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#ifndef SHA512_End
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#define SHA512_End _libmd_SHA512_End
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#endif
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#ifndef SHA512_Fd
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#define SHA512_Fd _libmd_SHA512_Fd
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#endif
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#ifndef SHA512_FdChunk
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#define SHA512_FdChunk _libmd_SHA512_FdChunk
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#endif
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#ifndef SHA512_File
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#define SHA512_File _libmd_SHA512_File
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#endif
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#ifndef SHA512_FileChunk
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#define SHA512_FileChunk _libmd_SHA512_FileChunk
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#endif
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#ifndef SHA512_Data
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#define SHA512_Data _libmd_SHA512_Data
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#endif
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#ifndef SHA512_Transform
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#define SHA512_Transform _libmd_SHA512_Transform
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#endif
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#ifndef SHA512_version
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#define SHA512_version _libmd_SHA512_version
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#endif
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void SHA512_Init(SHA512_CTX *);
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void SHA512_Update(SHA512_CTX *, const void *, size_t);
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void SHA512_Final(unsigned char [__min_size(SHA512_DIGEST_LENGTH)],
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SHA512_CTX *);
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#ifndef _KERNEL
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char *SHA512_End(SHA512_CTX *, char *);
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char *SHA512_Data(const void *, unsigned int, char *);
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char *SHA512_Fd(int, char *);
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char *SHA512_FdChunk(int, char *, off_t, off_t);
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char *SHA512_File(const char *, char *);
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char *SHA512_FileChunk(const char *, char *, off_t, off_t);
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#endif
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__END_DECLS
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#endif /* !_SHA512_H_ */
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