| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 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 */ |