Files
Linux_Drivers/linux_5.10/include/linux/bsearch.h
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

33 lines
624 B
C

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