gecko-dev/xpcom/ds/nsQuickSort.h

73 lines
2.8 KiB
C

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/* We need this because Solaris' version of qsort is broken and
* causes array bounds reads.
*/
#ifndef nsQuickSort_h___
#define nsQuickSort_h___
#include "nscore.h"
#include "prtypes.h"
/* Had to pull the following define out of xp_core.h
* to avoid including xp_core.h.
* That brought in too many header file dependencies.
*/
NS_BEGIN_EXTERN_C
/**
* Parameters:
* 1. the array to sort
* 2. the number of elements in the array
* 3. the size of the array
* 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
*/
PR_EXTERN(void) NS_QuickSort(void *, unsigned int, unsigned int,
int (*)(const void *, const void *, void *),
void *);
NS_END_EXTERN_C
#endif /* nsQuickSort_h___ */