1 /***************************************************************************
2 * Copyright (C) 2004, 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
20 #ifndef BINARYBUFFER_H
21 #define BINARYBUFFER_H
25 /* support functions to access arbitrary bits in a byte array
26 * flip_u32 inverses the bit order inside a 32-bit word (31..0 -> 0..31)
29 extern int buf_set_u32(u8* buffer, unsigned int first, unsigned int num, u32 value);
30 extern u32 buf_get_u32(u8* buffer, unsigned int first, unsigned int num);
32 extern u32 flip_u32(u32 value, unsigned int num);
34 extern int buf_cmp(u8 *buf1, u8 *buf2, int size);
35 extern int buf_cmp_mask(u8 *buf1, u8 *buf2, u8 *mask, int size);
36 extern u8* buf_cpy(u8 *from, u8 *to, int size);
38 extern u8* buf_set_ones(u8 *buf, int count);
39 extern u8* buf_set_buf(u8 *src, int src_start, u8 *dst, int dst_start, int len);
41 extern int str_to_buf(char* str, int len, u8 *bin_buf, int buf_size, int radix);
42 extern char* buf_to_str(u8 *buf, int size, int radix);
45 extern int buf_to_u32_handler(u8 *in_buf, void *priv, struct scan_field_s *field);
47 #define CEIL(m, n) ((m + n - 1) / n)
49 /* read a u32 from a buffer in target memory endianness */
50 static __inline u32 fast_target_buffer_get_u32(u8 *buffer, int little)
53 return le_to_h_u32(buffer);
55 return be_to_h_u32(buffer);
59 #endif /* BINARYBUFFER_H */