33 lines
		
	
	
		
			624 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			33 lines
		
	
	
		
			624 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /* 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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| 
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| #include <linux/types.h>
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| 
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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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| 
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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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| 
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| 		if (result == 0)
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| 			return (void *)pivot;
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| 
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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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| 
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| 	return NULL;
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| }
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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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| 
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| #endif /* _LINUX_BSEARCH_H */
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