1*5d5fbe79SDavid van Moolenbroek /** 2*5d5fbe79SDavid van Moolenbroek * @file 3*5d5fbe79SDavid van Moolenbroek * Heap API 4*5d5fbe79SDavid van Moolenbroek */ 5*5d5fbe79SDavid van Moolenbroek 6*5d5fbe79SDavid van Moolenbroek /* 7*5d5fbe79SDavid van Moolenbroek * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 8*5d5fbe79SDavid van Moolenbroek * All rights reserved. 9*5d5fbe79SDavid van Moolenbroek * 10*5d5fbe79SDavid van Moolenbroek * Redistribution and use in source and binary forms, with or without modification, 11*5d5fbe79SDavid van Moolenbroek * are permitted provided that the following conditions are met: 12*5d5fbe79SDavid van Moolenbroek * 13*5d5fbe79SDavid van Moolenbroek * 1. Redistributions of source code must retain the above copyright notice, 14*5d5fbe79SDavid van Moolenbroek * this list of conditions and the following disclaimer. 15*5d5fbe79SDavid van Moolenbroek * 2. Redistributions in binary form must reproduce the above copyright notice, 16*5d5fbe79SDavid van Moolenbroek * this list of conditions and the following disclaimer in the documentation 17*5d5fbe79SDavid van Moolenbroek * and/or other materials provided with the distribution. 18*5d5fbe79SDavid van Moolenbroek * 3. The name of the author may not be used to endorse or promote products 19*5d5fbe79SDavid van Moolenbroek * derived from this software without specific prior written permission. 20*5d5fbe79SDavid van Moolenbroek * 21*5d5fbe79SDavid van Moolenbroek * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 22*5d5fbe79SDavid van Moolenbroek * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 23*5d5fbe79SDavid van Moolenbroek * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 24*5d5fbe79SDavid van Moolenbroek * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 25*5d5fbe79SDavid van Moolenbroek * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 26*5d5fbe79SDavid van Moolenbroek * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27*5d5fbe79SDavid van Moolenbroek * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28*5d5fbe79SDavid van Moolenbroek * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 29*5d5fbe79SDavid van Moolenbroek * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 30*5d5fbe79SDavid van Moolenbroek * OF SUCH DAMAGE. 31*5d5fbe79SDavid van Moolenbroek * 32*5d5fbe79SDavid van Moolenbroek * This file is part of the lwIP TCP/IP stack. 33*5d5fbe79SDavid van Moolenbroek * 34*5d5fbe79SDavid van Moolenbroek * Author: Adam Dunkels <adam@sics.se> 35*5d5fbe79SDavid van Moolenbroek * 36*5d5fbe79SDavid van Moolenbroek */ 37*5d5fbe79SDavid van Moolenbroek #ifndef LWIP_HDR_MEM_H 38*5d5fbe79SDavid van Moolenbroek #define LWIP_HDR_MEM_H 39*5d5fbe79SDavid van Moolenbroek 40*5d5fbe79SDavid van Moolenbroek #include "lwip/opt.h" 41*5d5fbe79SDavid van Moolenbroek 42*5d5fbe79SDavid van Moolenbroek #ifdef __cplusplus 43*5d5fbe79SDavid van Moolenbroek extern "C" { 44*5d5fbe79SDavid van Moolenbroek #endif 45*5d5fbe79SDavid van Moolenbroek 46*5d5fbe79SDavid van Moolenbroek #if MEM_LIBC_MALLOC 47*5d5fbe79SDavid van Moolenbroek 48*5d5fbe79SDavid van Moolenbroek #include "lwip/arch.h" 49*5d5fbe79SDavid van Moolenbroek 50*5d5fbe79SDavid van Moolenbroek typedef size_t mem_size_t; 51*5d5fbe79SDavid van Moolenbroek #define MEM_SIZE_F SZT_F 52*5d5fbe79SDavid van Moolenbroek 53*5d5fbe79SDavid van Moolenbroek #elif MEM_USE_POOLS 54*5d5fbe79SDavid van Moolenbroek 55*5d5fbe79SDavid van Moolenbroek typedef u16_t mem_size_t; 56*5d5fbe79SDavid van Moolenbroek #define MEM_SIZE_F U16_F 57*5d5fbe79SDavid van Moolenbroek 58*5d5fbe79SDavid van Moolenbroek #else 59*5d5fbe79SDavid van Moolenbroek 60*5d5fbe79SDavid van Moolenbroek /* MEM_SIZE would have to be aligned, but using 64000 here instead of 61*5d5fbe79SDavid van Moolenbroek * 65535 leaves some room for alignment... 62*5d5fbe79SDavid van Moolenbroek */ 63*5d5fbe79SDavid van Moolenbroek #if MEM_SIZE > 64000L 64*5d5fbe79SDavid van Moolenbroek typedef u32_t mem_size_t; 65*5d5fbe79SDavid van Moolenbroek #define MEM_SIZE_F U32_F 66*5d5fbe79SDavid van Moolenbroek #else 67*5d5fbe79SDavid van Moolenbroek typedef u16_t mem_size_t; 68*5d5fbe79SDavid van Moolenbroek #define MEM_SIZE_F U16_F 69*5d5fbe79SDavid van Moolenbroek #endif /* MEM_SIZE > 64000 */ 70*5d5fbe79SDavid van Moolenbroek #endif 71*5d5fbe79SDavid van Moolenbroek 72*5d5fbe79SDavid van Moolenbroek void mem_init(void); 73*5d5fbe79SDavid van Moolenbroek void *mem_trim(void *mem, mem_size_t size); 74*5d5fbe79SDavid van Moolenbroek void *mem_malloc(mem_size_t size); 75*5d5fbe79SDavid van Moolenbroek void *mem_calloc(mem_size_t count, mem_size_t size); 76*5d5fbe79SDavid van Moolenbroek void mem_free(void *mem); 77*5d5fbe79SDavid van Moolenbroek 78*5d5fbe79SDavid van Moolenbroek #ifdef __cplusplus 79*5d5fbe79SDavid van Moolenbroek } 80*5d5fbe79SDavid van Moolenbroek #endif 81*5d5fbe79SDavid van Moolenbroek 82*5d5fbe79SDavid van Moolenbroek #endif /* LWIP_HDR_MEM_H */ 83