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/*
* HT Editor
* htanaly.cc
*
* Copyright (C) 1999, 2000, 2001 Sebastian Biallas (sb@web-productions.de)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __TOOLS_H__
#define __TOOLS_H__
#include <stdlib.h>
#include "global.h"
int *random_permutation(int max);
double calc_entropy(byte *buf, int size);
int calc_entropy2(byte *buf, int size);
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) ((a) > (b) ? (a) : (b))
/* actually a str => bigendian-int */
#define MAGICW(magic) (unsigned short)(((unsigned char)magic[0]<<8) | (unsigned char)magic[1])
#define MAGICD(magic) (unsigned long)(((unsigned char)magic[0]<<24) | ((unsigned char)magic[1]<<16) | ((unsigned char)magic[2]<<8) | (unsigned char)magic[3])
#define OUT_OF_MEMORY_FAIL 0
#define OUT_OF_MEMORY_IGNORE 1
#define OUT_OF_MEMORY_RETRY 2
extern int (*out_of_memory_func)(int size);
int out_of_memory(int size);
// savety mallocs
void *smalloc(size_t size);
void *smalloc0(size_t size);
#endif /* __TOOLS_H__ */
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