xpcom/glue/nsQuickSort.h
author Gregory Szorc <gps@mozilla.com>
Wed, 28 Jan 2015 13:37:00 -0800
branchGECKO160_2012082817_RELBRANCH
changeset 120239 c8f2bc8f62bf709e8b77d912353a4d6c4262a634
parent 98529 f4157e8c410708d76703f19e4dfb61859bfe32d8
child 115050 2d1a365a332043ac3cc4bbc0cc2c216610004ce8
permissions -rw-r--r--
Close old release branch GECKO160_2012082817_RELBRANCH

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */


/* We need this because Solaris' version of qsort is broken and
 * causes array bounds reads.
 */

#ifndef nsQuickSort_h___
#define nsQuickSort_h___

#include "prtypes.h"
#include "nscore.h"

PR_BEGIN_EXTERN_C

/**
 * Parameters:
 *  1. the array to sort
 *  2. the number of elements in the array
 *  3. the size of each array element
 *  4. comparison function taking two elements and parameter #5 and
 *     returning an integer:
 *      + less than zero if the first element should be before the second
 *      + 0 if the order of the elements does not matter
 *      + greater than zero if the second element should be before the first
 *  5. extra data to pass to comparison function
 */
NS_COM_GLUE void NS_QuickSort(void *, unsigned int, unsigned int,
                              int (*)(const void *, const void *, void *), 
                              void *);

PR_END_EXTERN_C

#endif /* nsQuickSort_h___ */