forked from br101/horst
/
util.h
139 lines (115 loc) · 3.13 KB
/
util.h
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/* horst - Highly Optimized Radio Scanning Tool
*
* Copyright (C) 2005-2014 Bruno Randolf (br1@einfach.org)
*
* 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
* of the License, 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 _UTIL_H_
#define _UTIL_H_
#include <stdio.h>
#ifdef _ALLBSD_SOURCE
#include <machine/endian.h>
#elif __linux__
#include <endian.h>
#endif
#if defined(__APPLE__)
#include <libkern/OSByteOrder.h>
#define le64toh(x) OSSwapLittleToHostInt64(x)
#define le32toh(x) OSSwapLittleToHostInt32(x)
#define le16toh(x) OSSwapLittleToHostInt16(x)
#define htole64(x) OSSwapHostToLittleInt64(x)
#define htole32(x) OSSwapHostToLittleInt32(x)
#define htole16(x) OSSwapHostToLittleInt16(x)
#else
#include <byteswap.h>
#endif
#if BYTE_ORDER == LITTLE_ENDIAN
#if !defined(le64toh)
#define le64toh(x) (x)
#endif
#if !defined(le32toh)
#define le32toh(x) (x)
#endif
#if !defined(le16toh)
#define le16toh(x) (x)
#endif
#if !defined(htole64)
#define htole64(x) (x)
#endif
#if !defined(htole32)
#define htole32(x) (x)
#endif
#if !defined(htole16)
#define htole16(x) (x)
#endif
#else
#if !defined(le64toh)
#define le64toh(x) bswap_64(x)
#endif
#if !defined(le32toh)
#define le32toh(x) bswap_32(x)
#endif
#if !defined(le16toh)
#define le16toh(x) bswap_16(x)
#endif
#if !defined(htole64)
#define htole64(x) bswap_64(x)
#endif
#if !defined(htole32)
#define htole32(x) bswap_32(x)
#endif
#if !defined(htole16)
#define htole16(x) bswap_16(x)
#endif
#endif
void
dump_packet(const unsigned char* buf, int len);
const char*
ether_sprintf(const unsigned char *mac);
const char*
ether_sprintf_short(const unsigned char *mac);
const char*
ip_sprintf(const unsigned int ip);
const char*
ip_sprintf_short(const unsigned int ip);
void
convert_string_to_mac(const char* string, unsigned char* mac);
int
normalize(float val, int max_val, int max);
static inline int normalize_db(int val, int max)
{
if (val <= 30)
return 0;
else if (val >= 100)
return max;
else
return normalize(val - 30, 70, max);
}
const char*
kilo_mega_ize(unsigned int val);
#define MAC_NOT_EMPTY(_mac) (_mac[0] || _mac[1] || _mac[2] || _mac[3] || _mac[4] || _mac[5])
#define MAC_EMPTY(_mac) (!_mac[0] && !_mac[1] && !_mac[2] && !_mac[3] && !_mac[4] && !_mac[5])
#define TOGGLE_BIT(_x, _m) (_x) ^= (_m)
#define max(_x, _y) ((_x) > (_y) ? (_x) : (_y))
#define min(_x, _y) ((_x) < (_y) ? (_x) : (_y))
#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
static inline __attribute__((const))
int is_power_of_2(unsigned long n)
{
return (n != 0 && ((n & (n - 1)) == 0));
}
int
ilog2(int x);
#endif