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99 lines
2.3 KiB
99 lines
2.3 KiB
/* -*- C++ -*-
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* File: libraw_alloc.h
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* Copyright 2008-2009 Alex Tutubalin <lexa@lexa.ru>
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* Created: Sat Mar 22, 2008
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*
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* LibRaw C++ interface
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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#ifndef __LIBRAW_ALLOC_H
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#define __LIBRAW_ALLOC_H
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#include <stdlib.h>
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#include <string.h>
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#ifdef WIN32
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#define bzero(p,sz) memset(p,0,sz)
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#endif
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#ifdef __cplusplus
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#define MSIZE 32
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class libraw_memmgr
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{
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public:
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libraw_memmgr()
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{
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bzero(mems,sizeof(mems));
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calloc_cnt=0;
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}
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void *malloc(size_t sz)
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{
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void *ptr = ::malloc(sz);
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mem_ptr(ptr);
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return ptr;
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}
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void *calloc(size_t n, size_t sz)
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{
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void *ptr = ::calloc(n,sz);
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mem_ptr(ptr);
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return ptr;
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}
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void free(void *ptr)
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{
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::free(ptr);
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forget_ptr(ptr);
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}
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void cleanup(void)
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{
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for(int i = 0; i< MSIZE; i++)
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if(mems[i])
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{
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// fprintf(stderr,"Found lost fragment at 0x%x\n",mems[i]);
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free(mems[i]);
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mems[i] = NULL;
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}
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}
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private:
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void *mems[MSIZE];
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int calloc_cnt;
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void mem_ptr(void *ptr)
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{
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if(ptr)
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for(int i=0;i < MSIZE; i++)
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if(!mems[i])
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{
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mems[i] = ptr;
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break;
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}
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}
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void forget_ptr(void *ptr)
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{
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if(ptr)
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for(int i=0;i < MSIZE; i++)
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if(mems[i] == ptr)
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mems[i] = NULL;
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}
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};
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#endif //C++
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#endif
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