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/***************************************************************************
* Copyright (C) 2004, 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef BINARYBUFFER_H
#define BINARYBUFFER_H
#include "types.h"
/* support functions to access arbitrary bits in a byte array
* flip_u32 inverses the bit order inside a 32-bit word (31..0 -> 0..31)
*/
extern int buf_set_u32(u8* buffer, unsigned int first, unsigned int num, u32 value);
extern u32 buf_get_u32(u8* buffer, unsigned int first, unsigned int num);
extern u32 flip_u32(u32 value, unsigned int num);
extern int buf_cmp(u8 *buf1, u8 *buf2, int size);
extern int buf_cmp_mask(u8 *buf1, u8 *buf2, u8 *mask, int size);
extern u8* buf_cpy(u8 *from, u8 *to, int size);
extern u8* buf_set_ones(u8 *buf, int count);
extern u8* buf_set_buf(u8 *src, int src_start, u8 *dst, int dst_start, int len);
extern int str_to_buf(char* str, int len, u8 *bin_buf, int buf_size, int radix);
extern char* buf_to_str(u8 *buf, int size, int radix);
struct scan_field_s;
extern int buf_to_u32_handler(u8 *in_buf, void *priv, struct scan_field_s *field);
#define CEIL(m, n) ((m + n - 1) / n)
/* read a u32 from a buffer in target memory endianness */
static __inline u32 fast_target_buffer_get_u32(u8 *buffer, int little)
{
if (little)
return le_to_h_u32(buffer);
else
return be_to_h_u32(buffer);
}
#endif /* BINARYBUFFER_H */
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