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/gecko_api/include/nsQuickSort.h

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 1/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 2/* ***** BEGIN LICENSE BLOCK *****
 3 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 4 *
 5 * The contents of this file are subject to the Mozilla Public License Version
 6 * 1.1 (the "License"); you may not use this file except in compliance with
 7 * the License. You may obtain a copy of the License at
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15 * The Original Code is mozilla.org code.
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17 * The Initial Developer of the Original Code is
18 * Netscape Communications Corporation.
19 * Portions created by the Initial Developer are Copyright (C) 1998
20 * the Initial Developer. All Rights Reserved.
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22 * Contributor(s):
23 *
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36 * ***** END LICENSE BLOCK ***** */
37
38
39/* We need this because Solaris' version of qsort is broken and
40 * causes array bounds reads.
41 */
42
43#ifndef nsQuickSort_h___
44#define nsQuickSort_h___
45
46#include "prtypes.h"
47#include "nscore.h"
48
49PR_BEGIN_EXTERN_C
50
51/**
52 * Parameters:
53 *  1. the array to sort
54 *  2. the number of elements in the array
55 *  3. the size of each array element
56 *  4. comparison function taking two elements and parameter #5 and
57 *     returning an integer:
58 *      + less than zero if the first element should be before the second
59 *      + 0 if the order of the elements does not matter
60 *      + greater than zero if the second element should be before the first
61 *  5. extra data to pass to comparison function
62 */
63NS_COM_GLUE void NS_QuickSort(void *, unsigned int, unsigned int,
64                              int (*)(const void *, const void *, void *), 
65                              void *);
66
67PR_END_EXTERN_C
68
69#endif /* nsQuickSort_h___ */