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