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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
37#ifdef __cplusplus
38extern "C" {
39#endif
40
41typedef s8_t err_t;
42
43/* Definitions for error constants. */
44
45#define ERR_OK 0 /* No error, everything OK. */
46#define ERR_MEM -1 /* Out of memory error. */
47#define ERR_BUF -2 /* Buffer error. */
48#define ERR_RTE -3 /* Routing problem. */
49
50#define ERR_IS_FATAL(e) ((e) < ERR_RTE)
51
52#define ERR_ABRT -4 /* Connection aborted. */
53#define ERR_RST -5 /* Connection reset. */
54#define ERR_CLSD -6 /* Connection closed. */
55#define ERR_CONN -7 /* Not connected. */
56
57#define ERR_VAL -8 /* Illegal value. */
58
59#define ERR_ARG -9 /* Illegal argument. */
60
61#define ERR_USE -10 /* Address in use. */
62
63#define ERR_IF -11 /* Low-level netif error */
64#define ERR_ISCONN -12 /* Already connected. */
65
66#define ERR_TIMEOUT -13 /* Timeout. */
67
68#define ERR_INPROGRESS -14 /* Operation in progress */
69
70
71#ifdef LWIP_DEBUG
72extern const char *lwip_strerr(err_t err);
73#else
74#define lwip_strerr(x) ""
75#endif /* LWIP_DEBUG */
76
77#ifdef __cplusplus
78}
79#endif
80
81#endif /* __LWIP_ERR_H__ */
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