| | 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 |
| | 38 | extern "C" { |
| | 39 | #endif |
| | 40 | |
| | 41 | typedef 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 |
| | 72 | extern 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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