/*
 * The QUAFFLER library
 * Copyright (c) 2006 Clifford Wolf <clifford@clifford.at>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef _QUAFFLER_UTILS_H
#define _QUAFFLER_UTILS_H

#include <netinet/in.h>

static inline int test_bit(const unsigned char *bitmap, int offset)
{
	return (bitmap[offset / 8] & (1 << (offset % 8))) != 0;
}

static inline void set_bit(unsigned char *bitmap, int offset)
{
	bitmap[offset / 8] |= (1 << (offset % 8));
}

static inline void clear_bit(unsigned char *bitmap, int offset)
{
	bitmap[offset / 8] &= ~(1 << (offset % 8));
}

static inline int test_bit_file(QFL_OS_FILEHDL_TYPE *filehdl_p, int pos, int offset)
{
	unsigned char byte;
	qfl_os_read(filehdl_p, pos + offset / 8, &byte, 1);
	return (byte & (1 << (offset % 8))) != 0;
}

static inline void set_bit_file(QFL_OS_FILEHDL_TYPE *filehdl_p, int pos, int offset)
{
	unsigned char byte;
	qfl_os_read(filehdl_p, pos + offset / 8, &byte, 1);
	byte |= (1 << (offset % 8));
	qfl_os_write(filehdl_p, pos + offset / 8, &byte, 1);
}

static inline void clear_bit_file(QFL_OS_FILEHDL_TYPE *filehdl_p, int pos, int offset)
{
	unsigned char byte;
	qfl_os_read(filehdl_p, pos + offset / 8, &byte, 1);
	byte &= ~(1 << (offset % 8));
	qfl_os_write(filehdl_p, pos + offset / 8, &byte, 1);
}

static inline long long htonll(long long x)
{
	if (htonl(1) == 1)
		return x;

	return (((x) & 0xff00000000000000ull) >> 56)
	     | (((x) & 0x00ff000000000000ull) >> 40)
	     | (((x) & 0x0000ff0000000000ull) >> 24)
	     | (((x) & 0x000000ff00000000ull)  >> 8)
	     | (((x) & 0x00000000ff000000ull)  << 8)
	     | (((x) & 0x0000000000ff0000ull) << 24)
	     | (((x) & 0x000000000000ff00ull) << 40)
	     | (((x) & 0x00000000000000ffull) << 56);
}

static inline long long ntohll(long long x)
{
	return htonll(x);
}

#endif