| /* |
| * Copyright 2010, Lloyd Hilaiel. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. Neither the name of Lloyd Hilaiel nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
| * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef __YAJL_BUF_H__ |
| #define __YAJL_BUF_H__ |
| |
| #include "yajl_common.h" |
| #include "yajl_alloc.h" |
| |
| /* |
| * Implementation/performance notes. If this were moved to a header |
| * only implementation using #define's where possible we might be |
| * able to sqeeze a little performance out of the guy by killing function |
| * call overhead. YMMV. |
| */ |
| |
| /** |
| * yajl_buf is a buffer with exponential growth. the buffer ensures that |
| * you are always null padded. |
| */ |
| typedef struct yajl_buf_t * yajl_buf; |
| |
| /* allocate a new buffer */ |
| yajl_buf yajl_buf_alloc(yajl_alloc_funcs * alloc); |
| |
| /* free the buffer */ |
| void yajl_buf_free(yajl_buf buf); |
| |
| /* append a number of bytes to the buffer */ |
| void yajl_buf_append(yajl_buf buf, const void * data, unsigned int len); |
| |
| /* empty the buffer */ |
| void yajl_buf_clear(yajl_buf buf); |
| |
| /* get a pointer to the beginning of the buffer */ |
| const unsigned char * yajl_buf_data(yajl_buf buf); |
| |
| /* get the length of the buffer */ |
| unsigned int yajl_buf_len(yajl_buf buf); |
| |
| /* truncate the buffer */ |
| void yajl_buf_truncate(yajl_buf buf, unsigned int len); |
| |
| #endif |