/*
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* Copyright 2007-2009, Lloyd Hilaiel.
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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 are
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* met:
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*
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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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*
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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
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. Neither the name of Lloyd Hilaiel nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* 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,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __YAJL_BUF_H__
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#define __YAJL_BUF_H__
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#include "api/yajl_common.h"
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#include "yajl_alloc.h"
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/*
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* Implementation/performance notes. If this were moved to a header
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* only implementation using #define's where possible we might be
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* able to sqeeze a little performance out of the guy by killing function
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* call overhead. YMMV.
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*/
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/**
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* yajl_buf is a buffer with exponential growth. the buffer ensures that
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* you are always null padded.
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*/
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typedef struct yajl_buf_t * yajl_buf;
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/* allocate a new buffer */
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yajl_buf yajl_buf_alloc(yajl_alloc_funcs * alloc);
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/* free the buffer */
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void yajl_buf_free(yajl_buf buf);
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/* append a number of bytes to the buffer */
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void yajl_buf_append(yajl_buf buf, const void * data, unsigned int len);
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/* empty the buffer */
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void yajl_buf_clear(yajl_buf buf);
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/* get a pointer to the beginning of the buffer */
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const unsigned char * yajl_buf_data(yajl_buf buf);
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/* get the length of the buffer */
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unsigned int yajl_buf_len(yajl_buf buf);
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/* truncate the buffer */
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void yajl_buf_truncate(yajl_buf buf, unsigned int len);
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#endif
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