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 #include "lwip/arch.h" 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 /** Define LWIP_ERR_T in cc.h if you want to use 43 * a different type for your platform (must be signed). */ 44 #ifdef LWIP_ERR_T 45 typedef LWIP_ERR_T err_t; 46 #else /* LWIP_ERR_T */ 47 typedef s8_t err_t; 48 #endif /* LWIP_ERR_T*/ 49 50 /* Definitions for error constants. */ 51 52 #define ERR_OK 0 /* No error, everything OK. */ 53 #define ERR_MEM -1 /* Out of memory error. */ 54 #define ERR_BUF -2 /* Buffer error. */ 55 #define ERR_TIMEOUT -3 /* Timeout. */ 56 #define ERR_RTE -4 /* Routing problem. */ 57 #define ERR_INPROGRESS -5 /* Operation in progress */ 58 #define ERR_VAL -6 /* Illegal value. */ 59 #define ERR_WOULDBLOCK -7 /* Operation would block. */ 60 #define ERR_USE -8 /* Address in use. */ 61 #define ERR_ISCONN -9 /* Already connected. */ 62 63 #define ERR_IS_FATAL(e) ((e) < ERR_ISCONN) 64 65 #define ERR_ABRT -10 /* Connection aborted. */ 66 #define ERR_RST -11 /* Connection reset. */ 67 #define ERR_CLSD -12 /* Connection closed. */ 68 #define ERR_CONN -13 /* Not connected. */ 69 70 #define ERR_ARG -14 /* Illegal argument. */ 71 72 #define ERR_IF -15 /* Low-level netif error */ 73 74 75 #ifdef LWIP_DEBUG 76 extern const char *lwip_strerr(err_t err); 77 #else 78 #define lwip_strerr(x) "" 79 #endif /* LWIP_DEBUG */ 80 81 #ifdef __cplusplus 82 } 83 #endif 84 85 #endif /* __LWIP_ERR_H__ */ 86