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