diff options
Diffstat (limited to 'jcnf/yajl/yajl_buf.c')
-rw-r--r-- | jcnf/yajl/yajl_buf.c | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/jcnf/yajl/yajl_buf.c b/jcnf/yajl/yajl_buf.c deleted file mode 100644 index 97f1ced..0000000 --- a/jcnf/yajl/yajl_buf.c +++ /dev/null @@ -1,119 +0,0 @@ -/* - * Copyright 2007-2009, 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. - */ - -#include "yajl_buf.h" - -#include <assert.h> -#include <stdlib.h> -#include <string.h> - -#define YAJL_BUF_INIT_SIZE 2048 - -struct yajl_buf_t { - unsigned int len; - unsigned int used; - unsigned char * data; - yajl_alloc_funcs * alloc; -}; - -static -void yajl_buf_ensure_available(yajl_buf buf, unsigned int want) -{ - unsigned int need; - - assert(buf != NULL); - - /* first call */ - if (buf->data == NULL) { - buf->len = YAJL_BUF_INIT_SIZE; - buf->data = (unsigned char *) YA_MALLOC(buf->alloc, buf->len); - buf->data[0] = 0; - } - - need = buf->len; - - while (want >= (need - buf->used)) need <<= 1; - - if (need != buf->len) { - buf->data = (unsigned char *) YA_REALLOC(buf->alloc, buf->data, need); - buf->len = need; - } -} - -yajl_buf yajl_buf_alloc(yajl_alloc_funcs * alloc) -{ - yajl_buf b = YA_MALLOC(alloc, sizeof(struct yajl_buf_t)); - memset((void *) b, 0, sizeof(struct yajl_buf_t)); - b->alloc = alloc; - return b; -} - -void yajl_buf_free(yajl_buf buf) -{ - assert(buf != NULL); - if (buf->data) YA_FREE(buf->alloc, buf->data); - YA_FREE(buf->alloc, buf); -} - -void yajl_buf_append(yajl_buf buf, const void * data, unsigned int len) -{ - yajl_buf_ensure_available(buf, len); - if (len > 0) { - assert(data != NULL); - memcpy(buf->data + buf->used, data, len); - buf->used += len; - buf->data[buf->used] = 0; - } -} - -void yajl_buf_clear(yajl_buf buf) -{ - buf->used = 0; - if (buf->data) buf->data[buf->used] = 0; -} - -const unsigned char * yajl_buf_data(yajl_buf buf) -{ - return buf->data; -} - -unsigned int yajl_buf_len(yajl_buf buf) -{ - return buf->used; -} - -void -yajl_buf_truncate(yajl_buf buf, unsigned int len) -{ - assert(len <= buf->used); - buf->used = len; -} |