forked from WASdkImpl_CN
| commit | author | age | ||
| 6e1425 | 1 | /* |
| H | 2 | * Copyright 2007-2009, Lloyd Hilaiel. |
| 3 | * | |
| 4 | * Redistribution and use in source and binary forms, with or without | |
| 5 | * modification, are permitted provided that the following conditions are | |
| 6 | * met: | |
| 7 | * | |
| 8 | * 1. Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * | |
| 11 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 12 | * notice, this list of conditions and the following disclaimer in | |
| 13 | * the documentation and/or other materials provided with the | |
| 14 | * distribution. | |
| 15 | * | |
| 16 | * 3. Neither the name of Lloyd Hilaiel nor the names of its | |
| 17 | * contributors may be used to endorse or promote products derived | |
| 18 | * from this software without specific prior written permission. | |
| 19 | * | |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
| 21 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
| 22 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 23 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, | |
| 24 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 25 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| 26 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 28 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
| 29 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 30 | * POSSIBILITY OF SUCH DAMAGE. | |
| 31 | */ | |
| 32 | ||
| 33 | #ifndef __YAJL_BUF_H__ | |
| 34 | #define __YAJL_BUF_H__ | |
| 35 | ||
| 36 | #include "api/yajl_common.h" | |
| 37 | #include "yajl_alloc.h" | |
| 38 | ||
| 39 | /* | |
| 40 | * Implementation/performance notes. If this were moved to a header | |
| 41 | * only implementation using #define's where possible we might be | |
| 42 | * able to sqeeze a little performance out of the guy by killing function | |
| 43 | * call overhead. YMMV. | |
| 44 | */ | |
| 45 | ||
| 46 | /** | |
| 47 | * yajl_buf is a buffer with exponential growth. the buffer ensures that | |
| 48 | * you are always null padded. | |
| 49 | */ | |
| 50 | typedef struct yajl_buf_t * yajl_buf; | |
| 51 | ||
| 52 | /* allocate a new buffer */ | |
| 53 | yajl_buf yajl_buf_alloc(yajl_alloc_funcs * alloc); | |
| 54 | ||
| 55 | /* free the buffer */ | |
| 56 | void yajl_buf_free(yajl_buf buf); | |
| 57 | ||
| 58 | /* append a number of bytes to the buffer */ | |
| 59 | void yajl_buf_append(yajl_buf buf, const void * data, unsigned int len); | |
| 60 | ||
| 61 | /* empty the buffer */ | |
| 62 | void yajl_buf_clear(yajl_buf buf); | |
| 63 | ||
| 64 | /* get a pointer to the beginning of the buffer */ | |
| 65 | const unsigned char * yajl_buf_data(yajl_buf buf); | |
| 66 | ||
| 67 | /* get the length of the buffer */ | |
| 68 | unsigned int yajl_buf_len(yajl_buf buf); | |
| 69 | ||
| 70 | /* truncate the buffer */ | |
| 71 | void yajl_buf_truncate(yajl_buf buf, unsigned int len); | |
| 72 | ||
| 73 | #endif | |
