23 lines
943 B
C
23 lines
943 B
C
/***********************************************************************
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* Copyright (c) 2021 Russell O'Connor, Jonas Nick *
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* Distributed under the MIT software license, see the accompanying *
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* file COPYING or https://www.opensource.org/licenses/mit-license.php.*
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***********************************************************************/
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#ifndef SECP256K1_HSORT_H
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#define SECP256K1_HSORT_H
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#include <stddef.h>
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#include <string.h>
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/* In-place, iterative heapsort with an interface matching glibc's qsort_r. This
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* is preferred over standard library implementations because they generally
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* make no guarantee about being fast for malicious inputs.
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*
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* See the qsort_r manpage for a description of the interface.
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*/
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static void secp256k1_hsort(void *ptr, size_t count, size_t size,
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int (*cmp)(const void *, const void *, void *),
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void *cmp_data);
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#endif
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