49 lines
2.4 KiB
C
49 lines
2.4 KiB
C
/***************************************************************************
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* Copyright (C) 2004, 2005 by Dominic Rath *
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* Dominic.Rath@gmx.de *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#ifndef BINARYBUFFER_H
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#define BINARYBUFFER_H
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#include "types.h"
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/* support functions to access arbitrary bits in a byte array
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* flip_u32 inverses the bit order inside a 32-bit word (31..0 -> 0..31)
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*/
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extern int buf_set_u32(u8* buffer, unsigned int first, unsigned int num, u32 value);
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extern u32 buf_get_u32(u8* buffer, unsigned int first, unsigned int num);
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extern u32 flip_u32(u32 value, unsigned int num);
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extern int buf_cmp(u8 *buf1, u8 *buf2, int size);
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extern int buf_cmp_mask(u8 *buf1, u8 *buf2, u8 *mask, int size);
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extern u8* buf_cpy(u8 *from, u8 *to, int size);
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extern u8* buf_set_ones(u8 *buf, int count);
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extern u8* buf_set_buf(u8 *src, int src_start, u8 *dst, int dst_start, int len);
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extern char* buf_to_char(u8 *buf, int size);
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extern int char_to_buf(char *buf, int len, u8 *bin_buf, int buf_size);
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extern int buf_to_u32_handler(u8 *in_buf, void *priv);
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#define CEIL(m, n) ((m + n - 1) / n)
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#endif /* BINARYBUFFER_H */
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