[thirdparty/u-boot.git] / include / sort.h

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * Copyright 2019 Google LLC
 */

#ifndef __SORT_H
#define __SORT_H

/**
 * qsort() - Use the quicksort algorithm to sort some values
 *
 * @base: Base address of array to sort
 * @nmemb: Number of members to sort
 * @size: Size of each member in bytes
 * @compar: Comparison function which should return:
 *	< 0 if element at s1 < element at s2,
 *	  0 if element at s1 == element at s2,
 *	> 0 if element at s1 > element at s2,
 */
void qsort(void *base, size_t nmemb, size_t size,
	   int (*compar)(const void *s1, const void *s2));

/**
 * strcmp_compar() - compar function for string arrays
 *
 * This can be passed to qsort when a string array is being sorted
 *
 * @s1: First string to compare
 * @s2: Second string to compare
 * @return comparison value (less than, equal to, or greater than 0)
 */
int strcmp_compar(const void *s1, const void *s2);

#endif
Commit	Line	Data
8bef79bf SG	1	/* SPDX-License-Identifier: GPL-2.0+ */
	2	/*
	3	* Copyright 2019 Google LLC
	4	*/
	5
	6	#ifndef __SORT_H
	7	#define __SORT_H
	8
	9	/**
	10	* qsort() - Use the quicksort algorithm to sort some values
	11	*
	12	* @base: Base address of array to sort
	13	* @nmemb: Number of members to sort
	14	* @size: Size of each member in bytes
	15	* @compar: Comparison function which should return:
	16	* < 0 if element at s1 < element at s2,
	17	* 0 if element at s1 == element at s2,
	18	* > 0 if element at s1 > element at s2,
	19	*/
	20	void qsort(void *base, size_t nmemb, size_t size,
	21	int (compar)(const void s1, const void *s2));
	22
	23	/**
	24	* strcmp_compar() - compar function for string arrays
	25	*
	26	* This can be passed to qsort when a string array is being sorted
	27	*
	28	* @s1: First string to compare
	29	* @s2: Second string to compare
	30	* @return comparison value (less than, equal to, or greater than 0)
	31	*/
	32	int strcmp_compar(const void s1, const void s2);
	33
	34	#endif