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# cpl_hash_set.h

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    00001 /**********************************************************************
    00002  * $Id: cpl_hash_set.h $
    00003  *
    00004  * Name:     cpl_hash_set.h
    00005  * Project:  CPL - Common Portability Library
    00006  * Purpose:  Hash set functions.
    00007  * Author:   Even Rouault, <even dot rouault at mines dash paris dot org>
    00008  *
    00009  **********************************************************************
    00010  * Copyright (c) 2008, Even Rouault, <even dot rouault at mines dash paris dot org>
    00011  *
    00012  * Permission is hereby granted, free of charge, to any person obtaining a
    00013  * copy of this software and associated documentation files (the "Software"),
    00014  * to deal in the Software without restriction, including without limitation
    00015  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
    00016  * and/or sell copies of the Software, and to permit persons to whom the
    00017  * Software is furnished to do so, subject to the following conditions:
    00018  *
    00019  * The above copyright notice and this permission notice shall be included
    00020  * in all copies or substantial portions of the Software.
    00021  *
    00022  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    00023  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    00024  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
    00025  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    00026  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
    00027  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
    00028  * DEALINGS IN THE SOFTWARE.
    00029  ****************************************************************************/
    00030
    00031 #ifndef _CPL_HASH_SET_H_INCLUDED
    00032 #define _CPL_HASH_SET_H_INCLUDED
    00033
    00034 #include "cpl_port.h"
    00035
    00047 CPL_C_START
    00048
    00049 /* Types */
    00050
    00051 typedef struct _CPLHashSet CPLHashSet;
    00052
    00053 typedef unsigned long (*CPLHashSetHashFunc)(const void* elt);
    00054
    00055 typedef int          (*CPLHashSetEqualFunc)(const void* elt1, const void* elt2);
    00056
    00057 typedef void         (*CPLHashSetFreeEltFunc)(void* elt);
    00058
    00059 typedef int          (*CPLHashSetIterEltFunc)(void* elt, void* user_data);
    00060
    00061 /* Functions */
    00062
    00063 CPLHashSet CPL_DLL * CPLHashSetNew(CPLHashSetHashFunc fnHashFunc,
    00064                                    CPLHashSetEqualFunc fnEqualFunc,
    00065                                    CPLHashSetFreeEltFunc fnFreeEltFunc);
    00066
    00067 void         CPL_DLL CPLHashSetDestroy(CPLHashSet* set);
    00068
    00069 int          CPL_DLL CPLHashSetSize(const CPLHashSet* set);
    00070
    00071 void         CPL_DLL CPLHashSetForeach(CPLHashSet* set,
    00072                                        CPLHashSetIterEltFunc fnIterFunc,
    00073                                        void* user_data);
    00074
    00075 int          CPL_DLL CPLHashSetInsert(CPLHashSet* set, void* elt);
    00076
    00077 void         CPL_DLL * CPLHashSetLookup(CPLHashSet* set, const void* elt);
    00078
    00079 int          CPL_DLL CPLHashSetRemove(CPLHashSet* set, const void* elt);
    00080
    00081 unsigned long CPL_DLL CPLHashSetHashPointer(const void* elt);
    00082
    00083 int          CPL_DLL CPLHashSetEqualPointer(const void* elt1, const void* elt2);
    00084
    00085 unsigned long CPL_DLL CPLHashSetHashStr(const void * pszStr);
    00086
    00087 int          CPL_DLL CPLHashSetEqualStr(const void* pszStr1, const void* pszStr2);
    00088
    00089 CPL_C_END
    00090
    00091 #endif /* _CPL_HASH_SET_H_INCLUDED */
    00092

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