ReactOS  0.4.14-dev-114-gc8cbd56
debug.h
Go to the documentation of this file.
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_DEBUG_H__
33 #define __LWIP_DEBUG_H__
34 
35 #include "lwip/arch.h"
36 #include "lwip/opt.h"
37 
44 #define LWIP_DBG_LEVEL_ALL 0x00
45 #define LWIP_DBG_LEVEL_OFF LWIP_DBG_LEVEL_ALL /* compatibility define only */
46 #define LWIP_DBG_LEVEL_WARNING 0x01 /* bad checksums, dropped packets, ... */
47 #define LWIP_DBG_LEVEL_SERIOUS 0x02 /* memory allocation failures, ... */
48 #define LWIP_DBG_LEVEL_SEVERE 0x03
49 #define LWIP_DBG_MASK_LEVEL 0x03
50 
52 #define LWIP_DBG_ON 0x80U
53 
54 #define LWIP_DBG_OFF 0x00U
55 
57 #define LWIP_DBG_TRACE 0x40U
58 
59 #define LWIP_DBG_STATE 0x20U
60 
61 #define LWIP_DBG_FRESH 0x10U
62 
63 #define LWIP_DBG_HALT 0x08U
64 
65 #ifndef LWIP_NOASSERT
66 #define LWIP_ASSERT(message, assertion) do { if(!(assertion)) \
67  LWIP_PLATFORM_ASSERT(message); } while(0)
68 #else /* LWIP_NOASSERT */
69 #define LWIP_ASSERT(message, assertion)
70 #endif /* LWIP_NOASSERT */
71 
73 #ifndef LWIP_ERROR
74 #define LWIP_ERROR(message, expression, handler) do { if (!(expression)) { \
75  LWIP_PLATFORM_ASSERT(message); handler;}} while(0)
76 #endif /* LWIP_ERROR */
77 
78 #ifdef LWIP_DEBUG
79 
82 #define LWIP_DEBUGF(debug, message) do { \
83  if ( \
84  ((debug) & LWIP_DBG_ON) && \
85  ((debug) & LWIP_DBG_TYPES_ON) && \
86  ((s16_t)((debug) & LWIP_DBG_MASK_LEVEL) >= LWIP_DBG_MIN_LEVEL)) { \
87  LWIP_PLATFORM_DIAG(message); \
88  if ((debug) & LWIP_DBG_HALT) { \
89  while(1); \
90  } \
91  } \
92  } while(0)
93 
94 #else /* LWIP_DEBUG */
95 #define LWIP_DEBUGF(debug, message)
96 #endif /* LWIP_DEBUG */
97 
98 #endif /* __LWIP_DEBUG_H__ */
99