| /* ==================================================================== |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2000-2003 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * 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. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Apache" and "Apache Software Foundation" must |
| * not be used to endorse or promote products derived from this |
| * software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * nor may "Apache" appear in their name, without prior written |
| * permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS 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. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| #include "apr_buckets.h" |
| #define APR_WANT_MEMFUNC |
| #include "apr_want.h" |
| |
| static apr_status_t heap_bucket_read(apr_bucket *b, const char **str, |
| apr_size_t *len, apr_read_type_e block) |
| { |
| apr_bucket_heap *h = b->data; |
| |
| *str = h->base + b->start; |
| *len = b->length; |
| return APR_SUCCESS; |
| } |
| |
| static void heap_bucket_destroy(void *data) |
| { |
| apr_bucket_heap *h = data; |
| |
| if (apr_bucket_shared_destroy(h)) { |
| (*h->free_func)(h->base); |
| apr_bucket_free(h); |
| } |
| } |
| |
| /* Warning: if you change this function, be sure to |
| * change apr_bucket_pool_make() too! */ |
| APU_DECLARE(apr_bucket *) apr_bucket_heap_make(apr_bucket *b, const char *buf, |
| apr_size_t length, |
| void (*free_func)(void *data)) |
| { |
| apr_bucket_heap *h; |
| |
| h = apr_bucket_alloc(sizeof(*h), b->list); |
| |
| if (!free_func) { |
| h->alloc_len = length; |
| h->base = apr_bucket_alloc(h->alloc_len, b->list); |
| if (h->base == NULL) { |
| apr_bucket_free(h); |
| return NULL; |
| } |
| h->free_func = apr_bucket_free; |
| memcpy(h->base, buf, length); |
| } |
| else { |
| /* XXX: we lose the const qualifier here which indicates |
| * there's something screwy with the API... |
| */ |
| h->base = (char *) buf; |
| h->alloc_len = length; |
| h->free_func = free_func; |
| } |
| |
| b = apr_bucket_shared_make(b, h, 0, length); |
| b->type = &apr_bucket_type_heap; |
| |
| return b; |
| } |
| |
| APU_DECLARE(apr_bucket *) apr_bucket_heap_create(const char *buf, |
| apr_size_t length, |
| void (*free_func)(void *data), |
| apr_bucket_alloc_t *list) |
| { |
| apr_bucket *b = apr_bucket_alloc(sizeof(*b), list); |
| |
| APR_BUCKET_INIT(b); |
| b->free = apr_bucket_free; |
| b->list = list; |
| return apr_bucket_heap_make(b, buf, length, free_func); |
| } |
| |
| APU_DECLARE_DATA const apr_bucket_type_t apr_bucket_type_heap = { |
| "HEAP", 5, APR_BUCKET_DATA, |
| heap_bucket_destroy, |
| heap_bucket_read, |
| apr_bucket_setaside_noop, |
| apr_bucket_shared_split, |
| apr_bucket_shared_copy |
| }; |