[3880] | 1 | /** |
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| 2 | * (C) Copyright 2014- ECMWF. |
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| 3 | * |
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| 4 | * This software is licensed under the terms of the Apache Licence Version 2.0 |
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| 5 | * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. |
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| 6 | * |
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| 7 | * In applying this licence, ECMWF does not waive the privileges and immunities |
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| 8 | * granted to it by virtue of its status as an intergovernmental organisation |
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| 9 | * nor does it submit to any jurisdiction. |
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| 10 | */ |
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| 11 | |
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| 12 | /* crc.h */ |
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| 13 | /* Calculates 32-bit Cyclic Redundancy Check as in Unix cksum command */ |
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| 14 | /* Also calculates 64-bit Cyclic Redundancy Check */ |
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| 15 | |
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| 16 | /* Sami Saarinen, 17-Feb-2005 : crc32 */ |
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| 17 | /* 24-Jun-2005 : Added crc64 */ |
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| 18 | /* 29-Dec-2005 : Added protos for direct C-calls */ |
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| 19 | /* 29-Dec-2005 : Length argument for crc64 now 64-bit int */ |
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| 20 | |
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| 21 | /* C callables */ |
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| 22 | |
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| 23 | extern unsigned int |
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| 24 | pp_cksum32(int nbuf, unsigned int nCRC); |
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| 25 | |
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| 26 | extern unsigned int |
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| 27 | pp_cksum32but64len(long long int nbuf, unsigned int nCRC); |
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| 28 | |
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| 29 | extern unsigned long long int |
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| 30 | pp_cksum64(long long int nbuf, unsigned long long int nCRC); |
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| 31 | |
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| 32 | extern unsigned int |
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| 33 | cksum32(const char *buf, int nbuf, unsigned int nCRC); |
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| 34 | |
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| 35 | extern unsigned long long int |
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| 36 | cksum64(const char *buf, long long int nbuf, unsigned long long int nCRC); |
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| 37 | |
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| 38 | /* Fortran callable */ |
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| 39 | |
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| 40 | extern void |
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| 41 | crc32_(const void *vbuf, const int *pnbuf, |
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| 42 | unsigned int *pnCRC /* Note: An in & out -variable */); |
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| 43 | |
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| 44 | extern void |
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| 45 | crc64_(const void *vbuf, const long long int *pnbuf, |
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| 46 | unsigned long long int *pnCRC /* Note: An in & out -variable */); |
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