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libkdcraw/libkdcraw/libraw/libraw/libraw_alloc.h

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2.3 KiB

/* -*- C++ -*-
* File: libraw_alloc.h
* Copyright 2008-2009 Alex Tutubalin <lexa@lexa.ru>
* Created: Sat Mar 22, 2008
*
* LibRaw C++ interface
*
* 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, 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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#ifndef __LIBRAW_ALLOC_H
#define __LIBRAW_ALLOC_H
#include <stdlib.h>
#include <string.h>
#ifdef WIN32
#define bzero(p,sz) memset(p,0,sz)
#endif
#ifdef __cplusplus
#define MSIZE 32
class libraw_memmgr
{
public:
libraw_memmgr()
{
bzero(mems,sizeof(mems));
calloc_cnt=0;
}
void *malloc(size_t sz)
{
void *ptr = ::malloc(sz);
mem_ptr(ptr);
return ptr;
}
void *calloc(size_t n, size_t sz)
{
void *ptr = ::calloc(n,sz);
mem_ptr(ptr);
return ptr;
}
void free(void *ptr)
{
::free(ptr);
forget_ptr(ptr);
}
void cleanup(void)
{
for(int i = 0; i< MSIZE; i++)
if(mems[i])
{
// fprintf(stderr,"Found lost fragment at 0x%x\n",mems[i]);
free(mems[i]);
mems[i] = NULL;
}
}
private:
void *mems[MSIZE];
int calloc_cnt;
void mem_ptr(void *ptr)
{
if(ptr)
for(int i=0;i < MSIZE; i++)
if(!mems[i])
{
mems[i] = ptr;
break;
}
}
void forget_ptr(void *ptr)
{
if(ptr)
for(int i=0;i < MSIZE; i++)
if(mems[i] == ptr)
mems[i] = NULL;
}
};
#endif //C++
#endif