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