| /* $Id$ */ |
| /* |
| * 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 */ |