// CLog.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include <stdio.h>
#include <stdarg.h>
#include <varargs.h>
#include<string.h>
#define LOG_LEVEL 0
#define OPEN_LOG
enum
{
LOG_DEBUG,
LOG_INFO,
LOG_WARN,
LOG_ERROR
};
char * EM_LOGLevelGet(const int level)
{
if (level == LOG_DEBUG)
{
return "DEBUG";
}else if (level == LOG_INFO)
{
return "INFO";
}else if (level == LOG_WARN)
{
return "WARN";
}else if (level == LOG_ERROR)
{
return "ERROR";
}
return "UNKNOW";
}
void EM_LOG(const int level,const char* fun,const int line,char* fmt, ...)
{
#ifdef OPEN_LOG
va_list arg;
va_start(arg,fmt);
int size = 1 + _vsnprintf(NULL,0,fmt,arg);
char* buf = new char[size];
memset(buf,0,size);
_vsnprintf(buf,size,fmt,arg);
va_end(arg);
if (level >= LOG_LEVEL)
{
printf("[%s] [%s %d] %s\n",EM_LOGLevelGet(level),fun,line,buf);
}
delete buf;buf = NULL;
#endif
}
int _tmain(int argc, _TCHAR* argv[])
{
EM_LOG(LOG_DEBUG,__FUNCTION__,__LINE__,"啊是多久啊老师的[%s][%d]","asdasda",111);
getchar();
return 0;
}
C++ 日志打印(有点 动态申请内存)
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转载自blog.csdn.net/u012842273/article/details/119913777
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