2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
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
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14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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27 * This file is part of the lwIP TCP/IP stack.
29 * Author: Adam Dunkels <adam@sics.se>
32 #ifndef __LWIP_ERR_H__
33 #define __LWIP_ERR_H__
43 /* Definitions for error constants. */
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. */
50 #define ERR_IS_FATAL(e) ((e) < ERR_RTE)
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. */
57 #define ERR_VAL -8 /* Illegal value. */
59 #define ERR_ARG -9 /* Illegal argument. */
61 #define ERR_USE -10 /* Address in use. */
63 #define ERR_IF -11 /* Low-level netif error */
64 #define ERR_ISCONN -12 /* Already connected. */
66 #define ERR_TIMEOUT -13 /* Timeout. */
68 #define ERR_INPROGRESS -14 /* Operation in progress */
72 extern const char *lwip_strerr(err_t err);
74 #define lwip_strerr(x) ""
75 #endif /* LWIP_DEBUG */
81 #endif /* __LWIP_ERR_H__ */