mirror of https://gitee.com/openkylin/linux.git
37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* A generic implementation of binary search for the Linux kernel
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*
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* Copyright (C) 2008-2009 Ksplice, Inc.
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* Author: Tim Abbott <tabbott@ksplice.com>
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*/
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#include <linux/export.h>
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#include <linux/bsearch.h>
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#include <linux/kprobes.h>
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/*
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* bsearch - binary search an array of elements
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* @key: pointer to item being searched for
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* @base: pointer to first element to search
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* @num: number of elements
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* @size: size of each element
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* @cmp: pointer to comparison function
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*
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* This function does a binary search on the given array. The
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* contents of the array should already be in ascending sorted order
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* under the provided comparison function.
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*
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* Note that the key need not have the same type as the elements in
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* the array, e.g. key could be a string and the comparison function
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* could compare the string with the struct's name field. However, if
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* the key and elements in the array are of the same type, you can use
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* the same comparison function for both sort() and bsearch().
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*/
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void *bsearch(const void *key, const void *base, size_t num, size_t size, cmp_func_t cmp)
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{
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return __inline_bsearch(key, base, num, size, cmp);
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}
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EXPORT_SYMBOL(bsearch);
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NOKPROBE_SYMBOL(bsearch);
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