1 /** 2 * @file 3 * Error Management module 4 * 5 */ 6 7 /* 8 * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without modification, 12 * are permitted provided that the following conditions are met: 13 * 14 * 1. Redistributions of source code must retain the above copyright notice, 15 * this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright notice, 17 * this list of conditions and the following disclaimer in the documentation 18 * and/or other materials provided with the distribution. 19 * 3. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 25 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 27 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 30 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 31 * OF SUCH DAMAGE. 32 * 33 * This file is part of the lwIP TCP/IP stack. 34 * 35 * Author: Adam Dunkels <adam@sics.se> 36 * 37 */ 38 39 #include "lwip/err.h" 40 41 #ifdef LWIP_DEBUG 42 43 static const char *err_strerr[] = { 44 "Ok.", /* ERR_OK 0 */ 45 "Out of memory error.", /* ERR_MEM -1 */ 46 "Buffer error.", /* ERR_BUF -2 */ 47 "Timeout.", /* ERR_TIMEOUT -3 */ 48 "Routing problem.", /* ERR_RTE -4 */ 49 "Operation in progress.", /* ERR_INPROGRESS -5 */ 50 "Illegal value.", /* ERR_VAL -6 */ 51 "Operation would block.", /* ERR_WOULDBLOCK -7 */ 52 "Address in use.", /* ERR_USE -8 */ 53 "Already connected.", /* ERR_ISCONN -9 */ 54 "Connection aborted.", /* ERR_ABRT -10 */ 55 "Connection reset.", /* ERR_RST -11 */ 56 "Connection closed.", /* ERR_CLSD -12 */ 57 "Not connected.", /* ERR_CONN -13 */ 58 "Illegal argument.", /* ERR_ARG -14 */ 59 "Low-level netif error.", /* ERR_IF -15 */ 60 }; 61 62 /** 63 * Convert an lwip internal error to a string representation. 64 * 65 * @param err an lwip internal err_t 66 * @return a string representation for err 67 */ 68 const char * 69 lwip_strerr(err_t err) 70 { 71 return err_strerr[-err]; 72 73 } 74 75 #endif /* LWIP_DEBUG */ 76