99 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			99 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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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_DEBUG_H__
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| #define __LWIP_DEBUG_H__
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| 
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| #include "lwip/arch.h"
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| 
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| /** lower two bits indicate debug level
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|  * - 0 all
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|  * - 1 warning
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|  * - 2 serious
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|  * - 3 severe
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|  */
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| #define LWIP_DBG_LEVEL_ALL     0x00
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| #define LWIP_DBG_LEVEL_OFF     LWIP_DBG_LEVEL_ALL /* compatibility define only */
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| #define LWIP_DBG_LEVEL_WARNING 0x01 /* bad checksums, dropped packets, ... */
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| #define LWIP_DBG_LEVEL_SERIOUS 0x02 /* memory allocation failures, ... */
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| #define LWIP_DBG_LEVEL_SEVERE  0x03
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| #define LWIP_DBG_MASK_LEVEL    0x03
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| 
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| /** flag for LWIP_DEBUGF to enable that debug message */
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| #define LWIP_DBG_ON            0x80U
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| /** flag for LWIP_DEBUGF to disable that debug message */
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| #define LWIP_DBG_OFF           0x00U
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| 
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| /** flag for LWIP_DEBUGF indicating a tracing message (to follow program flow) */
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| #define LWIP_DBG_TRACE         0x40U
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| /** flag for LWIP_DEBUGF indicating a state debug message (to follow module states) */
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| #define LWIP_DBG_STATE         0x20U
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| /** flag for LWIP_DEBUGF indicating newly added code, not thoroughly tested yet */
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| #define LWIP_DBG_FRESH         0x10U
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| /** flag for LWIP_DEBUGF to halt after printing this debug message */
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| #define LWIP_DBG_HALT          0x08U
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| 
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| #ifndef LWIP_NOASSERT
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| #define LWIP_ASSERT(message, assertion) do { if(!(assertion)) \
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|   LWIP_PLATFORM_ASSERT(message); } while(0)
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| #else  /* LWIP_NOASSERT */
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| #define LWIP_ASSERT(message, assertion) 
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| #endif /* LWIP_NOASSERT */
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| 
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| /** if "expression" isn't true, then print "message" and execute "handler" expression */
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| #ifndef LWIP_ERROR
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| #define LWIP_ERROR(message, expression, handler) do { if (!(expression)) { \
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|   LWIP_PLATFORM_ASSERT(message); handler;}} while(0)
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| #endif /* LWIP_ERROR */
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| 
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| #ifdef LWIP_DEBUG
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| /** print debug message only if debug message type is enabled...
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|  *  AND is of correct type AND is at least LWIP_DBG_LEVEL
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|  */
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| #define LWIP_DEBUGF(debug, message) do { \
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|                                if ( \
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|                                    ((debug) & LWIP_DBG_ON) && \
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|                                    ((debug) & LWIP_DBG_TYPES_ON) && \
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|                                    ((s16_t)((debug) & LWIP_DBG_MASK_LEVEL) >= LWIP_DBG_MIN_LEVEL)) { \
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|                                  LWIP_PLATFORM_DIAG(message); \
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|                                  if ((debug) & LWIP_DBG_HALT) { \
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|                                    while(1); \
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|                                  } \
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|                                } \
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|                              } while(0)
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| 
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| #else  /* LWIP_DEBUG */
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| #define LWIP_DEBUGF(debug, message) 
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| #endif /* LWIP_DEBUG */
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| 
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| #endif /* __LWIP_DEBUG_H__ */
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| 
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