tor-android/external/badvpn_dns/structure/CHash_decl.h

60 lines
2.6 KiB
C

/**
* @file CHash_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 "CHash_header.h"
typedef struct {
CHashLink *buckets;
size_t num_buckets;
} CHash;
typedef struct {
CHashEntry *ptr;
CHashLink link;
} CHashRef;
static CHashLink CHashNullLink (void);
static CHashRef CHashNullRef (void);
static int CHashIsNullLink (CHashLink link);
static int CHashIsNullRef (CHashRef ref);
static CHashRef CHashDerefMayNull (CHashArg arg, CHashLink link);
static CHashRef CHashDerefNonNull (CHashArg arg, CHashLink link);
static int CHash_Init (CHash *o, size_t num_buckets);
static void CHash_Free (CHash *o);
static int CHash_Insert (CHash *o, CHashArg arg, CHashRef entry, CHashRef *out_existing);
static void CHash_InsertMulti (CHash *o, CHashArg arg, CHashRef entry);
static void CHash_Remove (CHash *o, CHashArg arg, CHashRef entry);
static CHashRef CHash_Lookup (const CHash *o, CHashArg arg, CHashKey key);
static CHashRef CHash_GetNextEqual (const CHash *o, CHashArg arg, CHashRef entry);
static int CHash_MultiplyBuckets (CHash *o, CHashArg arg, int exp);
static void CHash_Verify (const CHash *o, CHashArg arg);
#include "CHash_footer.h"