1 /* 2 * Copyright (c) 2001-2003 Swedish Institute of Computer Science. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 25 * OF SUCH DAMAGE. 26 * 27 * This file is part of the lwIP TCP/IP stack. 28 * 29 * Author: Adam Dunkels <adam@sics.se> 30 * 31 */ 32 #ifndef __ARCH_CC_H__ 33 #define __ARCH_CC_H__ 34 35 /* Include some files for defining library routines */ 36 #include <string.h> 37 #include <sys/time.h> 38 #include <limits.h> 39 40 #define LWIP_TIMEVAL_PRIVATE 0 41 42 /* Define platform endianness */ 43 #ifndef BYTE_ORDER 44 #define BYTE_ORDER LITTLE_ENDIAN 45 #endif /* BYTE_ORDER */ 46 47 /* Define generic types used in lwIP */ 48 typedef unsigned char u8_t; 49 typedef signed char s8_t; 50 typedef unsigned short u16_t; 51 typedef signed short s16_t; 52 typedef unsigned int u32_t; 53 typedef signed int s32_t; 54 55 typedef unsigned long mem_ptr_t; 56 57 #define LWIP_ERR_T s32_t 58 59 /* Define (sn)printf formatters for these lwIP types */ 60 #define X8_F "02x" 61 #define U16_F "hu" 62 #define S16_F "hd" 63 #define X16_F "hx" 64 #define U32_F "u" 65 #define S32_F "d" 66 #define X32_F "x" 67 68 /* If only we could use C99 and get %zu */ 69 #if defined(__x86_64__) 70 #define SZT_F "lu" 71 #else 72 #define SZT_F "u" 73 #endif 74 75 /* Compiler hints for packing structures */ 76 #define PACK_STRUCT_FIELD(x) x 77 #define PACK_STRUCT_STRUCT __attribute__((packed)) 78 #define PACK_STRUCT_BEGIN 79 #define PACK_STRUCT_END 80 81 /* prototypes for printf() and abort() */ 82 #include <stdio.h> 83 #include <stdlib.h> 84 /* Plaform specific diagnostic output */ 85 #define LWIP_PLATFORM_DIAG(x) do {printf x;} while(0) 86 87 #define LWIP_PLATFORM_ASSERT(x) do {printf("Assertion \"%s\" failed at line %d in %s\n", \ 88 x, __LINE__, __FILE__); fflush(NULL); abort();} while(0) 89 90 #define LWIP_RAND() ((u32_t)rand()) 91 92 #endif /* __ARCH_CC_H__ */ 93