181 lines
7.2 KiB
C
181 lines
7.2 KiB
C
//
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// Created by xinyang on 19-2-19.
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//
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// 该文件提供一个更加方便的调试信息输出方式
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// 所有输出信息分为三个LEVEL:MSG,WARNING,ERROR
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// 可使用宏LOG_LEVEL定义当前文件使用的输出LEVEL
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// 高于该LEVEL的输出讲不会被显示
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// ============================================================
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// 输出API：
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// LOG(level, format, ...)
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// arguments: level:当前输出的level
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// format:标准printf格式化字符串
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// LOGM(format, ...) 使用MSG level进行输出
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// LOGW(format, ...) 使用WARNING level进行输出
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// LOGE(format, ...) 使用ERROR level进行输出
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// ============================================================
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// 输出颜色API：(仅对部分终端生效)
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// STR_CTR(ctrs, str)
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// arguments: ctrs:该字符串对应的颜色(所有以WORD开头的宏)
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// str:需要上色的字符串
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// ============================================================
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// 时间计算API：(需要配合systime.h使用)
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// CNT_TIME(tag, codes, ...)
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// arguments: tag:显示代码块执行时间前的用户信息，支持printf格式化字符串
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// codes:需要被统计时间的代码块
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// attention: 代码块内定义的局部变量作用域仅限于该代码块
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// 代码块内不支持使用break,continue语句,将无法达到预想效果
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// 支持多出口离开代码块都能显示代码块执行时间
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//
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#ifndef _LOG_H_
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#define _LOG_H_
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#include <stdio.h>
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#include <systime.h>
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/************** Define the control code *************/
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#define START_CTR "\033[0"
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#define END_CTR "m"
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#define CLEAR_CODE ";0"
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#define LIGHT_CODE ";1"
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#define LINE_CODE ";4"
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#define BLINK_CODE ";5"
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#define REVERSE_CODE ";7"
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#define VANISH_CODE ";8"
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#define WORD_WHITE_CODE ";30"
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#define WORD_RED_CODE ";31"
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#define WORD_GREEN_CODE ";32"
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#define WORD_YELLOW_CODE ";33"
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#define WORD_BLUE_CODE ";34"
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#define WORD_PURPLE_CODE ";35"
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#define WORD_CYAN_CODE ";36"
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#define WORD_GRAY_CODE ";37"
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#define BACK_WHITE_CODE ";40"
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#define BACK_RED_CODE ";41"
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#define BACK_GREEN_CODE ";42"
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#define BACK_YELLOW_CODE ";43"
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#define BACK_BLUE_CODE ";44"
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#define BACK_PURPLE_CODE ";45"
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#define BACK_CYAN_CODE ";46"
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#define BACK_GRAY_CODE ";47"
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#define CTRS(ctrs) START_CTR ctrs END_CTR
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#define STR_CTR(ctrs, str) START_CTR ctrs END_CTR str CLEAR_ALL
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#define WORD_WHITE WORD_WHITE_CODE
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#define WORD_RED WORD_RED_CODE
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#define WORD_GREEN WORD_GREEN_CODE
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#define WORD_YELLOW WORD_YELLOW_CODE
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#define WORD_BLUE WORD_BLUE_CODE
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#define WORD_PURPLE WORD_PURPLE_CODE
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#define WORD_CYAN WORD_CYAN_CODE
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#define WORD_GRAY WORD_GRAY_CODE
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#define WORD_LIGHT_WHITE LIGHT_CODE WORD_WHITE
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#define WORD_LIGHT_RED LIGHT_CODE WORD_RED
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#define WORD_LIGHT_GREEN LIGHT_CODE WORD_GREEN
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#define WORD_LIGHT_YELLOW LIGHT_CODE WORD_YELLOW
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#define WORD_LIGHT_BLUE LIGHT_CODE WORD_BLUE
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#define WORD_LIGHT_PURPLE LIGHT_CODE WORD_PURPLE
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#define WORD_LIGHT_CYAN LIGHT_CODE WORD_CYAN
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#define WORD_LIGHT_GRAY LIGHT_CODE WORD_GRAY
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#define CLEAR_ALL CTRS(CLEAR_CODE)
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/*************** Define the log level value ***************/
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#define LOG_NONE 0
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#define LOG_ERROR 1
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#define LOG_WARNING 2
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#define LOG_MSG 3
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#define LOG_NOTHING 4
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/************** Ensure the current log level **************/
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#ifndef LOG_LEVEL
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#define LOG_LEVEL LOG_MSG
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#endif
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#if LOG_LEVEL < LOG_NONE
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#define LOG_LEVEL LOG_NONE
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#elif LOG_LEVEL > LOG_MSG
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#define LOG_LEVEL LOG_MSG
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#endif
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/******* Ensure the color corresponding to the level ******/
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#ifndef LOG_ERROR_COLOR
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#define LOG_ERROR_COLOR WORD_RED
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#endif
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#ifndef LOG_WARNING_COLOR
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#define LOG_WARNING_COLOR WORD_YELLOW
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#endif
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#ifndef LOG_MSG_COLOR
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#define LOG_MSG_COLOR WORD_GRAY
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#endif
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#ifndef LOG_LINK_COLOR
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#define LOG_LINK_COLOR LINE_CODE WORD_BLUE
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#endif
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/********************** log place *************************/
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#ifndef LOG_OUT
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#define LOG_OUT stdout
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#endif
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/******************** The log API *************************/
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#define LOG_0(format, ...) fprintf(LOG_OUT, format, ##__VA_ARGS__)
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#if LOG_LEVEL >= LOG_ERROR
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#define LOG_1(format, ...) fprintf(LOG_OUT, format, ##__VA_ARGS__)
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#else
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#define LOG_1(format, ...) ((void)0)
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#endif
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#if LOG_LEVEL >= LOG_WARNING
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#define LOG_2(format, ...) fprintf(LOG_OUT, format, ##__VA_ARGS__)
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#else
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#define LOG_2(format, ...) ((void)0)
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#endif
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#if LOG_LEVEL >= LOG_MSG
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#define LOG_3(format, ...) fprintf(LOG_OUT, format, ##__VA_ARGS__)
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#else
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#define LOG_3(format, ...) ((void)0)
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#endif
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#define LOG_4(format, ...) ((void)0)
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#define LOG_(level, format, ...) LOG_##level (format, ##__VA_ARGS__)
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#define LOG(level, format, ...) LOG_(level, format"\n", ##__VA_ARGS__)
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#define LOGA(format, ...) LOG(LOG_NONE, format, ##__VA_ARGS__)
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#define LOGA_INFO(format, ...) LOG(LOG_NONE, "<%s:%d>: " format, ##__VA_ARGS__)
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#define LOGE(format, ...) LOG(LOG_ERROR, STR_CTR(LOG_ERROR_COLOR, "<ERROR>: " format), ## __VA_ARGS__)
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#define LOGW(format, ...) LOG(LOG_WARNING, STR_CTR(LOG_WARNING_COLOR,"<WARNING>: " format), ## __VA_ARGS__)
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#define LOGM(format, ...) LOG(LOG_MSG, STR_CTR(LOG_MSG_COLOR, "<MSG>: " format), ## __VA_ARGS__)
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#define LOGE_INFO(format, ...) LOG(LOG_ERROR, \
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STR_CTR(LOG_ERROR_COLOR, "<") \
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STR_CTR(LOG_LINK_COLOR, "%s:%d") \
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STR_CTR(LOG_ERROR_COLOR, " ERROR>: " format), \
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__FILE__, __LINE__, ##__VA_ARGS__)
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#define LOGW_INFO(format, ...) LOG(LOG_WARNING, \
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STR_CTR(LOG_WARNING_COLOR,"<") \
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STR_CTR(LOG_LINK_COLOR,"%s:%d") \
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STR_CTR(LOG_WARNING_COLOR, " WARNING>: " format), \
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__FILE__, __LINE__, ##__VA_ARGS__)
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#define LOGM_INFO(format, ...) LOG(LOG_MSG, \
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STR_CTR(LOG_MSG_COLOR, "<") \
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STR_CTR(LOG_LINK_COLOR, "%s:%d") \
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STR_CTR(LOG_MSG_COLOR, " MSG>: " format), \
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__FILE__, __LINE__, ##__VA_ARGS__)
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/******************** the time counter API ************************/
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#if !defined(DO_NOT_CNT_TIME) && LOG_LEVEL > LOG_NONE
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#define CNT_TIME(tag, codes, ...) do{ \
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class { \
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private: \
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systime begin; \
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public: \
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TimeCounter(){ \
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getsystime(begin); \
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} \
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~TimeCounter(){ \
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systime end; \
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getsystime(end); \
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LOGM(tag": %.1lfms", ##__VA_ARGS__, getTimeIntervalms(end, begin)); \
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} \
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} time_cnt; \
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codes; \
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}while (0)
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#else
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#define CNT_TIME(tag, codes, ...) codes
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#endif
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#else /* _LOG_H_ */
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#warning "Multiple include of log.h, some settings may not work."
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#endif /* _LOG_H_ */
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