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120 lines
3.3 KiB
C
120 lines
3.3 KiB
C
/**
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* @file
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* lwIP Error codes
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*/
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/*
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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_HDR_ERR_H
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#define LWIP_HDR_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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/**
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* @defgroup infrastructure_errors Error codes
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* @ingroup infrastructure
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* @{
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*/
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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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typedef enum {
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/** No error, everything OK. */
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ERR_OK = 0,
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/** Out of memory error. */
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ERR_MEM = -1,
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/** Buffer error. */
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ERR_BUF = -2,
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/** Timeout. */
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ERR_TIMEOUT = -3,
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/** Routing problem. */
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ERR_RTE = -4,
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/** Operation in progress */
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ERR_INPROGRESS = -5,
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/** Illegal value. */
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ERR_VAL = -6,
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/** Operation would block. */
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ERR_WOULDBLOCK = -7,
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/** Address in use. */
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ERR_USE = -8,
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/** Already connecting. */
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ERR_ALREADY = -9,
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/** Conn already established.*/
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ERR_ISCONN = -10,
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/** Not connected. */
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ERR_CONN = -11,
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/** Low-level netif error */
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ERR_IF = -12,
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/** Connection aborted. */
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ERR_ABRT = -13,
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/** Connection reset. */
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ERR_RST = -14,
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/** Connection closed. */
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ERR_CLSD = -15,
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/** Illegal argument. */
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ERR_ARG = -16
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} err_enum_t;
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#define ERR_IS_FATAL(e) ((e) <= ERR_ABRT)
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/**
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* @}
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*/
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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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#if !NO_SYS
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int err_to_errno(err_t err);
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#endif /* !NO_SYS */
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#ifdef __cplusplus
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}
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#endif
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#endif /* LWIP_HDR_ERR_H */
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