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