log4c日志库在Linux中的使用(2)

4.第一个例子

点击这里下载代码。

工程文件如下图所示：

 
本工程共7个文件，源码如下：
----------------------------------------------------main.c---------------------------------------------------------------
#include <stdio.h>
#include "mylog.h"
#include "other.h"

int main(int argv, char **argc) {
  int i;
    if ( mylog_init() == 1 )
    {
        printf("mylog_init() failed!\n");
    }
   
    for(i=0;i<140000;i++)
    {
        LOG("%s%d","Hello!-",i);   
        otherFunc();
    }
    if(mylog_fini() == 1)
    {
        printf("mylog_fini() failed!\n");
    }
    return 0;
}
----------------------------------------------------------------------------------------------------------------------------
---------------------------------------------------------Makefile-------------------------------------------------------
TARGET=log4ctest
OBJS=main.o other.o mylog.o
INC=./
LOG4CINC=/usr/local/include/log4c
LIBPATH=./

%.o:%.c
    g++ -c -I$(LOG4CINC) -I$(INC) $< -o $@

%.o:%.cpp
    g++ -Wall -c -g -I$(INC) $< -o $@

$(TARGET):$(OBJS)
    g++  $(OBJS) -llog4c -o $(TARGET)

.PHONY:clean

clean:
    rm *.o $(TARGET)
----------------------------------------------------------------------------------------------------------------------------
--------------------------------------------------------log4crc----------------------------------------------------------
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE log4c SYSTEM "">
<log4c version="1.2.1">
    <config>
        <bufsize>0</bufsize>
        <debug level="2"/>
        <nocleanup>0</nocleanup>
        <reread>1</reread>
    </config>
 
    <category priority="notice"/>
      <category priority="debug" appender="stderr" />
    <category priority="debug" appender="myrollingfileappender" />
   
    <rollingpolicy type="sizewin" maxsize="104857600" maxnum="10" />
 
    <appender type="rollingfile" logdir="./" prefix="mylogfile" layout="dated" rollingpolicy="myrollingpolicy" />
    <appender type="stream" layout="basic"/>
    <appender type="stream" layout="dated"/>
    <appender type="syslog" layout="basic"/>
    <appender type="s13_file" layout="basic"/>
    <appender type="s13_stderr" layout="none"/>
    <appender type="s13_stderr" layout="catlayout"/>
    <appender type="s13_stderr" layout="xmllayout"/>
    <appender type="s13_stderr" layout="userlayout"/>
 
    <layout type="basic"/>
    <layout type="dated"/>
    <layout type="s13_cat"/>
    <layout type="s13_xml"/>
    <layout type="s13_none"/>
    <layout type="s13_userloc"/>
 
</log4c>
----------------------------------------------------------------------------------------------------------------------------

-----------------------------------------------------------other.h-------------------------------------------------------

void otherFunc(void);
----------------------------------------------------------------------------------------------------------------------------

-------------------------------------------------------------other.c------------------------------------------------------
#include "mylog.h"
#include "other.h"

void otherFunc(void)
{
    LOG("%s","Enter");       
}
-----------------------------------------------------------------------------------------------------------------------------

-------------------------------------------------------------mylog.h-----------------------------------------------------
#ifndef _MYLOG_H_
#define _MYLOG_H_

#include <string.h>
#include <stdlib.h>

#ifdef __cplusplus
extern "C"
{
#endif

#include "log4c.h"

#ifdef __cplusplus
}
#endif

#define MYLOG_CATEGORY_NAME "log4ctest"
#define MYLOG_PRIORITY LOG4C_PRIORITY_WARN

//1.LOG4C_PRIORITY_ERROR
//2.LOG4C_PRIORITY_WARN
//3.LOG4C_PRIORITY_NOTICE
//4.LOG4C_PRIORITY_DEBUG
//5.LOG4C_PRIORITY_TRACE

extern int mylog_init();
extern void log_message(char* file, int line, const char* func,const char* a_format, ...);
extern int mylog_fini();
#define LOG(fmt,args...) log_message(__FILE__, __LINE__, __FUNCTION__,fmt ,## args);
#endif