LeOS-Genesis/external/badvpn/structure/SAvl_decl.h

74 lines
3.2 KiB
C

/**
* @file SAvl_decl.h
* @author Ambroz Bizjak <ambrop7@gmail.com>
*
* @section LICENSE
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "SAvl_header.h"
typedef SAvlEntry *SAvl__TreeLink;
#include "SAvl_tree.h"
#include <structure/CAvl_decl.h>
typedef struct {
SAvl__Tree tree;
} SAvl;
typedef struct {
SAvlEntry *child[2];
SAvlEntry *parent;
int8_t balance;
#if SAVL_PARAM_FEATURE_COUNTS
SAvlCount count;
#endif
} SAvlNode;
static void SAvl_Init (SAvl *o);
static int SAvl_Insert (SAvl *o, SAvlArg arg, SAvlEntry *entry, SAvlEntry **out_existing);
static void SAvl_Remove (SAvl *o, SAvlArg arg, SAvlEntry *entry);
#if !SAVL_PARAM_FEATURE_NOKEYS
static SAvlEntry * SAvl_Lookup (const SAvl *o, SAvlArg arg, SAvlKey key);
static SAvlEntry * SAvl_LookupExact (const SAvl *o, SAvlArg arg, SAvlKey key);
static SAvlEntry * SAvl_GetFirstGreater (const SAvl *o, SAvlArg arg, SAvlKey key);
static SAvlEntry * SAvl_GetLastLesser (const SAvl *o, SAvlArg arg, SAvlKey key);
static SAvlEntry * SAvl_GetFirstGreaterEqual (const SAvl *o, SAvlArg arg, SAvlKey key);
static SAvlEntry * SAvl_GetLastLesserEqual (const SAvl *o, SAvlArg arg, SAvlKey key);
#endif
static SAvlEntry * SAvl_GetFirst (const SAvl *o, SAvlArg arg);
static SAvlEntry * SAvl_GetLast (const SAvl *o, SAvlArg arg);
static SAvlEntry * SAvl_GetNext (const SAvl *o, SAvlArg arg, SAvlEntry *entry);
static SAvlEntry * SAvl_GetPrev (const SAvl *o, SAvlArg arg, SAvlEntry *entry);
static int SAvl_IsEmpty (const SAvl *o);
static void SAvl_Verify (const SAvl *o, SAvlArg arg);
#if SAVL_PARAM_FEATURE_COUNTS
static SAvlCount SAvl_Count (const SAvl *o, SAvlArg arg);
static SAvlCount SAvl_IndexOf (const SAvl *o, SAvlArg arg, SAvlEntry *entry);
static SAvlEntry * SAvl_GetAt (const SAvl *o, SAvlArg arg, SAvlCount index);
#endif
#include "SAvl_footer.h"