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
43static 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 */
68const char *
69lwip_strerr(err_t err)
70{
71  return err_strerr[-err];
72
73}
74
75#endif /* LWIP_DEBUG */
76