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Diffstat (limited to 'librabbitmq/amqp_mem.c')
-rw-r--r-- | librabbitmq/amqp_mem.c | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/librabbitmq/amqp_mem.c b/librabbitmq/amqp_mem.c deleted file mode 100644 index 3ad8c3e..0000000 --- a/librabbitmq/amqp_mem.c +++ /dev/null @@ -1,200 +0,0 @@ -/* - * ***** BEGIN LICENSE BLOCK ***** - * Version: MPL 1.1/GPL 2.0 - * - * The contents of this file are subject to the Mozilla Public License - * Version 1.1 (the "License"); you may not use this file except in - * compliance with the License. You may obtain a copy of the License at - * http://www.mozilla.org/MPL/ - * - * Software distributed under the License is distributed on an "AS IS" - * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See - * the License for the specific language governing rights and - * limitations under the License. - * - * The Original Code is librabbitmq. - * - * The Initial Developers of the Original Code are LShift Ltd, Cohesive - * Financial Technologies LLC, and Rabbit Technologies Ltd. Portions - * created before 22-Nov-2008 00:00:00 GMT by LShift Ltd, Cohesive - * Financial Technologies LLC, or Rabbit Technologies Ltd are Copyright - * (C) 2007-2008 LShift Ltd, Cohesive Financial Technologies LLC, and - * Rabbit Technologies Ltd. - * - * Portions created by LShift Ltd are Copyright (C) 2007-2009 LShift - * Ltd. Portions created by Cohesive Financial Technologies LLC are - * Copyright (C) 2007-2009 Cohesive Financial Technologies - * LLC. Portions created by Rabbit Technologies Ltd are Copyright (C) - * 2007-2009 Rabbit Technologies Ltd. - * - * Portions created by Tony Garnock-Jones are Copyright (C) 2009-2010 - * LShift Ltd and Tony Garnock-Jones. - * - * All Rights Reserved. - * - * Contributor(s): ______________________________________. - * - * Alternatively, the contents of this file may be used under the terms - * of the GNU General Public License Version 2 or later (the "GPL"), in - * which case the provisions of the GPL are applicable instead of those - * above. If you wish to allow use of your version of this file only - * under the terms of the GPL, and not to allow others to use your - * version of this file under the terms of the MPL, indicate your - * decision by deleting the provisions above and replace them with the - * notice and other provisions required by the GPL. If you do not - * delete the provisions above, a recipient may use your version of - * this file under the terms of any one of the MPL or the GPL. - * - * ***** END LICENSE BLOCK ***** - */ - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <stdint.h> -#include <sys/types.h> -#include <assert.h> - -#include "amqp.h" -#include "config.h" - -char const *amqp_version(void) { - return VERSION; /* defined in config.h */ -} - -void init_amqp_pool(amqp_pool_t *pool, size_t pagesize) { - pool->pagesize = pagesize ? pagesize : 4096; - - pool->pages.num_blocks = 0; - pool->pages.blocklist = NULL; - - pool->large_blocks.num_blocks = 0; - pool->large_blocks.blocklist = NULL; - - pool->next_page = 0; - pool->alloc_block = NULL; - pool->alloc_used = 0; -} - -static void empty_blocklist(amqp_pool_blocklist_t *x) { - int i; - - for (i = 0; i < x->num_blocks; i++) { - free(x->blocklist[i]); - } - if (x->blocklist != NULL) { - free(x->blocklist); - } - x->num_blocks = 0; - x->blocklist = NULL; -} - -void recycle_amqp_pool(amqp_pool_t *pool) { - empty_blocklist(&pool->large_blocks); - pool->next_page = 0; - pool->alloc_block = NULL; - pool->alloc_used = 0; -} - -void empty_amqp_pool(amqp_pool_t *pool) { - recycle_amqp_pool(pool); - empty_blocklist(&pool->pages); -} - -/* Returns 1 on success, 0 on failure */ -static int record_pool_block(amqp_pool_blocklist_t *x, void *block) { - size_t blocklistlength = sizeof(void *) * (x->num_blocks + 1); - - if (x->blocklist == NULL) { - x->blocklist = malloc(blocklistlength); - if (x->blocklist == NULL) - return 0; - } else { - void *newbl = realloc(x->blocklist, blocklistlength); - if (newbl == NULL) - return 0; - x->blocklist = newbl; - } - - x->blocklist[x->num_blocks] = block; - x->num_blocks++; - return 1; -} - -void *amqp_pool_alloc(amqp_pool_t *pool, size_t amount) { - if (amount == 0) { - return NULL; - } - - amount = (amount + 7) & (~7); /* round up to nearest 8-byte boundary */ - - if (amount > pool->pagesize) { - void *result = calloc(1, amount); - if (result == NULL) { - return NULL; - } - if (!record_pool_block(&pool->large_blocks, result)) - return NULL; - return result; - } - - if (pool->alloc_block != NULL) { - assert(pool->alloc_used <= pool->pagesize); - - if (pool->alloc_used + amount <= pool->pagesize) { - void *result = pool->alloc_block + pool->alloc_used; - pool->alloc_used += amount; - return result; - } - } - - if (pool->next_page >= pool->pages.num_blocks) { - pool->alloc_block = calloc(1, pool->pagesize); - if (pool->alloc_block == NULL) { - return NULL; - } - if (!record_pool_block(&pool->pages, pool->alloc_block)) - return NULL; - pool->next_page = pool->pages.num_blocks; - } else { - pool->alloc_block = pool->pages.blocklist[pool->next_page]; - pool->next_page++; - } - - pool->alloc_used = amount; - - return pool->alloc_block; -} - -void amqp_pool_alloc_bytes(amqp_pool_t *pool, size_t amount, amqp_bytes_t *output) { - output->len = amount; - output->bytes = amqp_pool_alloc(pool, amount); -} - -amqp_bytes_t amqp_cstring_bytes(char const *cstr) { - amqp_bytes_t result; - result.len = strlen(cstr); - result.bytes = (void *) cstr; - return result; -} - -amqp_bytes_t amqp_bytes_malloc_dup(amqp_bytes_t src) { - amqp_bytes_t result; - result.len = src.len; - result.bytes = malloc(src.len); - if (result.bytes != NULL) { - memcpy(result.bytes, src.bytes, src.len); - } - return result; -} - -amqp_bytes_t amqp_bytes_malloc(size_t amount) { - amqp_bytes_t result; - result.len = amount; - result.bytes = malloc(amount); /* will return NULL if it fails */ - return result; -} - -void amqp_bytes_free(amqp_bytes_t bytes) { - free(bytes.bytes); -} |