| /** |
| * @file |
| * Heap API |
| */ |
| |
| /* |
| * Copyright (c) 2001-2004 Swedish Institute of Computer Science. |
| * 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 name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 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 AUTHOR 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 file is part of the lwIP TCP/IP stack. |
| * |
| * Author: Adam Dunkels <adam@sics.se> |
| * |
| */ |
| #ifndef LWIP_HDR_MEM_H |
| #define LWIP_HDR_MEM_H |
| |
| #include "lwip/opt.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #if MEM_LIBC_MALLOC |
| |
| #include "lwip/arch.h" |
| |
| typedef size_t mem_size_t; |
| #define MEM_SIZE_F SZT_F |
| |
| #elif MEM_USE_POOLS |
| |
| typedef u16_t mem_size_t; |
| #define MEM_SIZE_F U16_F |
| |
| #else |
| |
| /* MEM_SIZE would have to be aligned, but using 64000 here instead of |
| * 65535 leaves some room for alignment... |
| */ |
| #if MEM_SIZE > 64000L |
| typedef u32_t mem_size_t; |
| #define MEM_SIZE_F U32_F |
| #else |
| typedef u16_t mem_size_t; |
| #define MEM_SIZE_F U16_F |
| #endif /* MEM_SIZE > 64000 */ |
| #endif |
| |
| void mem_init(void); |
| void *mem_trim(void *mem, mem_size_t size); |
| void *mem_malloc(mem_size_t size); |
| void *mem_calloc(mem_size_t count, mem_size_t size); |
| void mem_free(void *mem); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* LWIP_HDR_MEM_H */ |