1 | /**
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2 | * @file
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3 | * lwIP Error codes
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4 | */
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5 | /*
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6 | * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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7 | * All rights reserved.
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8 | *
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9 | * Redistribution and use in source and binary forms, with or without modification,
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10 | * are permitted provided that the following conditions are met:
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11 | *
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12 | * 1. Redistributions of source code must retain the above copyright notice,
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13 | * this list of conditions and the following disclaimer.
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14 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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15 | * this list of conditions and the following disclaimer in the documentation
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16 | * and/or other materials provided with the distribution.
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17 | * 3. The name of the author may not be used to endorse or promote products
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18 | * derived from this software without specific prior written permission.
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19 | *
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20 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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21 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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22 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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23 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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24 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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25 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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28 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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29 | * OF SUCH DAMAGE.
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30 | *
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31 | * This file is part of the lwIP TCP/IP stack.
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32 | *
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33 | * Author: Adam Dunkels <adam@sics.se>
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34 | *
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35 | */
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36 | #ifndef LWIP_HDR_ERR_H
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37 | #define LWIP_HDR_ERR_H
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38 |
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39 | #include "lwip/opt.h"
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40 | #include "lwip/arch.h"
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41 |
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42 | #ifdef __cplusplus
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43 | extern "C" {
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44 | #endif
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45 |
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46 | /**
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47 | * @defgroup infrastructure_errors Error codes
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48 | * @ingroup infrastructure
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49 | * @{
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50 | */
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51 |
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52 | /** Definitions for error constants. */
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53 | typedef enum {
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54 | /** No error, everything OK. */
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55 | ERR_OK = 0,
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56 | /** Out of memory error. */
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57 | ERR_MEM = -1,
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58 | /** Buffer error. */
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59 | ERR_BUF = -2,
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60 | /** Timeout. */
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61 | ERR_TIMEOUT = -3,
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62 | /** Routing problem. */
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63 | ERR_RTE = -4,
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64 | /** Operation in progress */
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65 | ERR_INPROGRESS = -5,
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66 | /** Illegal value. */
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67 | ERR_VAL = -6,
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68 | /** Operation would block. */
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69 | ERR_WOULDBLOCK = -7,
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70 | /** Address in use. */
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71 | ERR_USE = -8,
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72 | /** Already connecting. */
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73 | ERR_ALREADY = -9,
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74 | /** Conn already established.*/
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75 | ERR_ISCONN = -10,
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76 | /** Not connected. */
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77 | ERR_CONN = -11,
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78 | /** Low-level netif error */
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79 | ERR_IF = -12,
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80 |
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81 | /** Connection aborted. */
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82 | ERR_ABRT = -13,
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83 | /** Connection reset. */
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84 | ERR_RST = -14,
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85 | /** Connection closed. */
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86 | ERR_CLSD = -15,
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87 | /** Illegal argument. */
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88 | ERR_ARG = -16
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89 | } err_enum_t;
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90 |
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91 | /** Define LWIP_ERR_T in cc.h if you want to use
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92 | * a different type for your platform (must be signed). */
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93 | #ifdef LWIP_ERR_T
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94 | typedef LWIP_ERR_T err_t;
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95 | #else /* LWIP_ERR_T */
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96 | typedef s8_t err_t;
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97 | #endif /* LWIP_ERR_T*/
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98 |
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99 | /**
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100 | * @}
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101 | */
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102 |
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103 | #ifdef LWIP_DEBUG
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104 | extern const char *lwip_strerr(err_t err);
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105 | #else
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106 | #define lwip_strerr(x) ""
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107 | #endif /* LWIP_DEBUG */
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108 |
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109 | #if !NO_SYS
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110 | int err_to_errno(err_t err);
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111 | #endif /* !NO_SYS */
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112 |
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113 | #ifdef __cplusplus
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114 | }
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115 | #endif
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116 |
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117 | #endif /* LWIP_HDR_ERR_H */
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