LXR uboot/include/sort.h

   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 */
  20void 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 */
  32int strcmp_compar(const void *s1, const void *s2);
  33
  34#endif
  35