1/** 2 * @file 3 * lwIP Error codes 4 */ 5/* 6 * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without modification, 10 * are permitted provided that the following conditions are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright notice, 13 * this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright notice, 15 * this list of conditions and the following disclaimer in the documentation 16 * and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 21 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 22 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 23 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 25 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 28 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 29 * OF SUCH DAMAGE. 30 * 31 * This file is part of the lwIP TCP/IP stack. 32 * 33 * Author: Adam Dunkels <adam@sics.se> 34 * 35 */ 36#ifndef LWIP_HDR_ERR_H 37#define LWIP_HDR_ERR_H 38 39#include "lwip/opt.h" 40#include "lwip/arch.h" 41 42#ifdef __cplusplus 43extern "C" { 44#endif 45 46/** 47 * @defgroup infrastructure_errors Error codes 48 * @ingroup infrastructure 49 * @{ 50 */ 51 52/** Definitions for error constants. */ 53typedef enum { 54/** No error, everything OK. */ 55 ERR_OK = 0, 56/** Out of memory error. */ 57 ERR_MEM = -1, 58/** Buffer error. */ 59 ERR_BUF = -2, 60/** Timeout. */ 61 ERR_TIMEOUT = -3, 62/** Routing problem. */ 63 ERR_RTE = -4, 64/** Operation in progress */ 65 ERR_INPROGRESS = -5, 66/** Illegal value. */ 67 ERR_VAL = -6, 68/** Operation would block. */ 69 ERR_WOULDBLOCK = -7, 70/** Address in use. */ 71 ERR_USE = -8, 72/** Already connecting. */ 73 ERR_ALREADY = -9, 74/** Conn already established.*/ 75 ERR_ISCONN = -10, 76/** Not connected. */ 77 ERR_CONN = -11, 78/** Low-level netif error */ 79 ERR_IF = -12, 80 81/** Connection aborted. */ 82 ERR_ABRT = -13, 83/** Connection reset. */ 84 ERR_RST = -14, 85/** Connection closed. */ 86 ERR_CLSD = -15, 87/** Illegal argument. */ 88 ERR_ARG = -16 89} err_enum_t; 90 91/** Define LWIP_ERR_T in cc.h if you want to use 92 * a different type for your platform (must be signed). */ 93#ifdef LWIP_ERR_T 94typedef LWIP_ERR_T err_t; 95#else /* LWIP_ERR_T */ 96typedef s8_t err_t; 97#endif /* LWIP_ERR_T*/ 98 99/** 100 * @} 101 */ 102 103#ifdef LWIP_DEBUG 104extern const char *lwip_strerr(err_t err); 105#else 106#define lwip_strerr(x) "" 107#endif /* LWIP_DEBUG */ 108 109#if !NO_SYS 110int err_to_errno(err_t err); 111#endif /* !NO_SYS */ 112 113#ifdef __cplusplus 114} 115#endif 116 117#endif /* LWIP_HDR_ERR_H */ 118