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Diffstat (limited to 'pjlib/include/pj/pool_i.h')
-rw-r--r-- | pjlib/include/pj/pool_i.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/pjlib/include/pj/pool_i.h b/pjlib/include/pj/pool_i.h new file mode 100644 index 0000000..ea4fa2d --- /dev/null +++ b/pjlib/include/pj/pool_i.h @@ -0,0 +1,94 @@ +/* $Id: pool_i.h 3553 2011-05-05 06:14:19Z nanang $ */ +/* + * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) + * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + + +#include <pj/string.h> + + +PJ_IDEF(pj_size_t) pj_pool_get_capacity( pj_pool_t *pool ) +{ + return pool->capacity; +} + +PJ_IDEF(pj_size_t) pj_pool_get_used_size( pj_pool_t *pool ) +{ + pj_pool_block *b = pool->block_list.next; + pj_size_t used_size = sizeof(pj_pool_t); + while (b != &pool->block_list) { + used_size += (b->cur - b->buf) + sizeof(pj_pool_block); + b = b->next; + } + return used_size; +} + +PJ_IDEF(void*) pj_pool_alloc_from_block( pj_pool_block *block, pj_size_t size ) +{ + /* The operation below is valid for size==0. + * When size==0, the function will return the pointer to the pool + * memory address, but no memory will be allocated. + */ + if (size & (PJ_POOL_ALIGNMENT-1)) { + size = (size + PJ_POOL_ALIGNMENT) & ~(PJ_POOL_ALIGNMENT-1); + } + if ((unsigned)(block->end - block->cur) >= size) { + void *ptr = block->cur; + block->cur += size; + return ptr; + } + return NULL; +} + +PJ_IDEF(void*) pj_pool_alloc( pj_pool_t *pool, pj_size_t size) +{ + void *ptr = pj_pool_alloc_from_block(pool->block_list.next, size); + if (!ptr) + ptr = pj_pool_allocate_find(pool, size); + return ptr; +} + + +PJ_IDEF(void*) pj_pool_calloc( pj_pool_t *pool, pj_size_t count, pj_size_t size) +{ + void *buf = pj_pool_alloc( pool, size*count); + if (buf) + pj_bzero(buf, size * count); + return buf; +} + +PJ_IDEF(const char *) pj_pool_getobjname( const pj_pool_t *pool ) +{ + return pool->obj_name; +} + +PJ_IDEF(pj_pool_t*) pj_pool_create( pj_pool_factory *f, + const char *name, + pj_size_t initial_size, + pj_size_t increment_size, + pj_pool_callback *callback) +{ + return (*f->create_pool)(f, name, initial_size, increment_size, callback); +} + +PJ_IDEF(void) pj_pool_release( pj_pool_t *pool ) +{ + if (pool->factory->release_pool) + (*pool->factory->release_pool)(pool->factory, pool); +} + |