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/* $Id$ */
/*
* 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/pool.h>
#include <pj/string.h>
#if PJ_HAS_POOL_ALT_API
#if PJ_HAS_MALLOC_H
# include <malloc.h>
#endif
#if PJ_HAS_STDLIB_H
# include <stdlib.h>
#endif
#if ((defined(PJ_WIN32) && PJ_WIN32!=0) || \
(defined(PJ_WIN64) && PJ_WIN64 != 0)) && \
defined(PJ_DEBUG) && PJ_DEBUG!=0 && !PJ_NATIVE_STRING_IS_UNICODE
# include <windows.h>
# define TRACE_(msg) OutputDebugString(msg)
#endif
/* Uncomment this to enable TRACE_ */
//#undef TRACE_
int PJ_NO_MEMORY_EXCEPTION;
PJ_DEF(int) pj_NO_MEMORY_EXCEPTION()
{
return PJ_NO_MEMORY_EXCEPTION;
}
/* Create pool */
PJ_DEF(pj_pool_t*) pj_pool_create_imp( const char *file, int line,
void *factory,
const char *name,
pj_size_t initial_size,
pj_size_t increment_size,
pj_pool_callback *callback)
{
pj_pool_t *pool;
PJ_UNUSED_ARG(file);
PJ_UNUSED_ARG(line);
PJ_UNUSED_ARG(factory);
PJ_UNUSED_ARG(initial_size);
PJ_UNUSED_ARG(increment_size);
pool = malloc(sizeof(struct pj_pool_t));
if (!pool)
return NULL;
if (name) {
pj_ansi_strncpy(pool->obj_name, name, sizeof(pool->obj_name));
pool->obj_name[sizeof(pool->obj_name)-1] = '\0';
} else {
strcpy(pool->obj_name, "altpool");
}
pool->factory = NULL;
pool->first_mem = NULL;
pool->used_size = 0;
pool->cb = callback;
return pool;
}
/* Release pool */
PJ_DEF(void) pj_pool_release_imp(pj_pool_t *pool)
{
pj_pool_reset(pool);
free(pool);
}
/* Get pool name */
PJ_DEF(const char*) pj_pool_getobjname_imp(pj_pool_t *pool)
{
PJ_UNUSED_ARG(pool);
return "pooldbg";
}
/* Reset pool */
PJ_DEF(void) pj_pool_reset_imp(pj_pool_t *pool)
{
struct pj_pool_mem *mem;
mem = pool->first_mem;
while (mem) {
struct pj_pool_mem *next = mem->next;
free(mem);
mem = next;
}
pool->first_mem = NULL;
}
/* Get capacity */
PJ_DEF(pj_size_t) pj_pool_get_capacity_imp(pj_pool_t *pool)
{
PJ_UNUSED_ARG(pool);
/* Unlimited capacity */
return 0x7FFFFFFFUL;
}
/* Get total used size */
PJ_DEF(pj_size_t) pj_pool_get_used_size_imp(pj_pool_t *pool)
{
return pool->used_size;
}
/* Allocate memory from the pool */
PJ_DEF(void*) pj_pool_alloc_imp( const char *file, int line,
pj_pool_t *pool, pj_size_t sz)
{
struct pj_pool_mem *mem;
PJ_UNUSED_ARG(file);
PJ_UNUSED_ARG(line);
mem = malloc(sz + sizeof(struct pj_pool_mem));
if (!mem) {
if (pool->cb)
(*pool->cb)(pool, sz);
return NULL;
}
mem->next = pool->first_mem;
pool->first_mem = mem;
#ifdef TRACE_
{
char msg[120];
pj_ansi_sprintf(msg, "Mem %X (%d+%d bytes) allocated by %s:%d\r\n",
mem, sz, sizeof(struct pj_pool_mem),
file, line);
TRACE_(msg);
}
#endif
return ((char*)mem) + sizeof(struct pj_pool_mem);
}
/* Allocate memory from the pool and zero the memory */
PJ_DEF(void*) pj_pool_calloc_imp( const char *file, int line,
pj_pool_t *pool, unsigned cnt,
unsigned elemsz)
{
void *mem;
mem = pj_pool_alloc_imp(file, line, pool, cnt*elemsz);
if (!mem)
return NULL;
pj_bzero(mem, cnt*elemsz);
return mem;
}
/* Allocate memory from the pool and zero the memory */
PJ_DEF(void*) pj_pool_zalloc_imp( const char *file, int line,
pj_pool_t *pool, pj_size_t sz)
{
return pj_pool_calloc_imp(file, line, pool, 1, sz);
}
#endif /* PJ_HAS_POOL_ALT_API */
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