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32 lines
624 B
32 lines
624 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _LINUX_BSEARCH_H |
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#define _LINUX_BSEARCH_H |
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#include <linux/types.h> |
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static __always_inline |
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void *__inline_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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const char *pivot; |
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int result; |
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while (num > 0) { |
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pivot = base + (num >> 1) * size; |
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result = cmp(key, pivot); |
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if (result == 0) |
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return (void *)pivot; |
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if (result > 0) { |
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base = pivot + size; |
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num--; |
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} |
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num >>= 1; |
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} |
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return NULL; |
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} |
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extern void *bsearch(const void *key, const void *base, size_t num, size_t size, cmp_func_t cmp); |
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#endif /* _LINUX_BSEARCH_H */
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