/*
- * $Id$
+ * Copyright (C) 1996-2015 The Squid Software Foundation and contributors
*
+ * Squid software is distributed under GPLv2+ license and includes
+ * contributions from numerous individuals and organizations.
+ * Please see the COPYING and CONTRIBUTORS files for details.
+ */
+
+/*
* AUTHOR: John Dilley, Hewlett Packard
- *
- * SQUID Web Proxy Cache http://www.squid-cache.org/
- * ----------------------------------------------------------
- *
- * Squid is the result of efforts by numerous individuals from
- * the Internet community; see the CONTRIBUTORS file for full
- * details. Many organizations have provided support for Squid's
- * development; see the SPONSORS file for full details. Squid is
- * Copyrighted (C) 2001 by the Regents of the University of
- * California; see the COPYRIGHT file for full details. Squid
- * incorporates software developed and/or copyrighted by other
- * sources; see the CREDITS file for full details.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
- *
*/
/****************************************************************************
* the top of the heap (as in the smallest object key value). Child nodes
* are larger than their parent.
****************************************************************************/
-#ifndef SQUID_HEAP_H
-#define SQUID_HEAP_H
-
-/* Squid autoconf definitions */
-#include "config.h"
+#ifndef SQUID_HEAP_H
+#define SQUID_HEAP_H
/*
* Function for generating heap keys. The first argument will typically be
typedef double heap_key;
typedef heap_key heap_key_func(heap_t, heap_key);
-
/*
* Heap node. Has a key value generated by a key_func, id (array index) so
* it can be quickly found in its heap, and a pointer to a data object that
heap_t data;
} heap_node;
-
/*
* Heap object. Holds an array of heap_node objects along with a heap size
* (array length), the index of the last heap element, and a key generation
heap_mutex_t lock;
unsigned long size;
unsigned long last;
- heap_key_func *gen_key; /* key generator for heap */
- heap_key age; /* aging factor for heap */
+ heap_key_func *gen_key; /* key generator for heap */
+ heap_key age; /* aging factor for heap */
heap_node **nodes;
} heap;
/*
* Generate a heap key for a given data object. Alternative macro form:
*/
-#ifdef MACRO_DEBUG
+#ifdef MACRO_DEBUG
SQUIDCEXTERN heap_key heap_gen_key(heap * hp, heap_t dat);
#else
-#define heap_gen_key(hp,md) ((hp)->gen_key((md),(hp)->age))
+#define heap_gen_key(hp,md) ((hp)->gen_key((md),(hp)->age))
#endif /* MACRO_DEBUG */
-
/*
* Extract the minimum (root) element and maintain the heap property.
* Returns the data pointed to by the root node, which the caller must
/*
* Is the heap empty? How many nodes (data objects) are in it?
*/
-#ifdef MACRO_DEBUG
+#ifdef MACRO_DEBUG
SQUIDCEXTERN int heap_empty(heap *);
SQUIDCEXTERN int heap_nodes(heap *);
#else /* MACRO_DEBUG */
-#define heap_nodes(heap) ((heap)->last)
-#define heap_empty(heap) (((heap)->last <= 0) ? 1 : 0)
+#define heap_nodes(heap) ((heap)->last)
+#define heap_empty(heap) ((heap)->last <= 0 ? 1 : 0)
#endif /* MACRO_DEBUG */
/*
SQUIDCEXTERN int verify_heap_property(heap *);
#endif /* SQUID_HEAP_H */
+