94 lines
3.1 KiB
C
94 lines
3.1 KiB
C
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/*-
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* Copyright (c) 2005 Ivan Voras <ivoras@gmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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// $Id: binstream.h,v 1.1 2006/07/05 10:47:54 ivoras Exp $
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#ifndef _BIN_STREAM_
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#define _BIN_STREAM_
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#ifndef uint8_t
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#define uint8_t unsigned char
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#endif
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typedef struct {
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unsigned char *data;
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int pos;
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} bin_stream_t;
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/* "Open" a binary stream for reading */
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void bs_open (bin_stream_t * bs, void *data);
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/* "Reset" position in binary stream to zero */
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void bs_reset (bin_stream_t * bs);
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/* Write a zero-terminated string; return next position */
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unsigned bs_write_str(bin_stream_t * bs, char *data);
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/* Write an arbitrary buffer; return next position */
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unsigned bs_write_buf(bin_stream_t * bs, char *data, unsigned data_size);
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/* Write a 8bit uint; return next position. */
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unsigned bs_write_u8(bin_stream_t * bs, uint8_t data);
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/* Write a 16bit uint; return next position. */
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unsigned bs_write_u16(bin_stream_t * bs, uint16_t data);
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/* Write a 32bit uint; return next position. */
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unsigned bs_write_u32(bin_stream_t * bs, uint32_t data);
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/* Write a 64bit uint; return next position. */
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unsigned bs_write_u64(bin_stream_t * bs, uint64_t data);
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/*
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* Read a null-terminated string from stream into a buffer; buf_size is size
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* of the buffer, including the final \0. Returns buf pointer or NULL if
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* garbage input.
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*/
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char *bs_read_str(bin_stream_t * bs, char *buf, unsigned buf_size);
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/* Read an arbitrary buffer. */
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void bs_read_buf(bin_stream_t * bs, char *buf, unsigned buf_size);
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/* Read a 8bit uint * return it */
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uint8_t bs_read_u8(bin_stream_t * bs);
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/* Read a 16bit uint * return it */
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uint16_t bs_read_u16(bin_stream_t * bs);
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/* Read a 8bit uint * return it */
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uint32_t bs_read_u32(bin_stream_t * bs);
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/* Read a 8bit uint * return it */
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uint64_t bs_read_u64(bin_stream_t * bs);
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#endif
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