| /* |
| * Copyright (c) 2001-2004 Swedish Institute of Computer Science. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without modification, |
| * are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT |
| * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT |
| * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY |
| * OF SUCH DAMAGE. |
| * |
| * This file is part of the lwIP TCP/IP stack. |
| * |
| * Author: Adam Dunkels <adam@sics.se> |
| * |
| */ |
| #ifndef __LWIP_ERR_H__ |
| #define __LWIP_ERR_H__ |
| |
| #include "lwip/opt.h" |
| #include "lwip/arch.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /** Define LWIP_ERR_T in cc.h if you want to use |
| * a different type for your platform (must be signed). */ |
| #ifdef LWIP_ERR_T |
| typedef LWIP_ERR_T err_t; |
| #else /* LWIP_ERR_T */ |
| typedef s8_t err_t; |
| #endif /* LWIP_ERR_T*/ |
| |
| /* Definitions for error constants. */ |
| |
| #define ERR_OK 0 /* No error, everything OK. */ |
| #define ERR_MEM -1 /* Out of memory error. */ |
| #define ERR_BUF -2 /* Buffer error. */ |
| #define ERR_TIMEOUT -3 /* Timeout. */ |
| #define ERR_RTE -4 /* Routing problem. */ |
| #define ERR_INPROGRESS -5 /* Operation in progress */ |
| #define ERR_VAL -6 /* Illegal value. */ |
| #define ERR_WOULDBLOCK -7 /* Operation would block. */ |
| #define ERR_USE -8 /* Address in use. */ |
| #define ERR_ISCONN -9 /* Already connected. */ |
| |
| #define ERR_IS_FATAL(e) ((e) < ERR_ISCONN) |
| |
| #define ERR_ABRT -10 /* Connection aborted. */ |
| #define ERR_RST -11 /* Connection reset. */ |
| #define ERR_CLSD -12 /* Connection closed. */ |
| #define ERR_CONN -13 /* Not connected. */ |
| |
| #define ERR_ARG -14 /* Illegal argument. */ |
| |
| #define ERR_IF -15 /* Low-level netif error */ |
| |
| |
| #ifdef LWIP_DEBUG |
| extern const char *lwip_strerr(err_t err); |
| #else |
| #define lwip_strerr(x) "" |
| #endif /* LWIP_DEBUG */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* __LWIP_ERR_H__ */ |