myLog.h

#include<stdio.h>

#define Log(fmt,...) printf("%s/%d::"fmt"\r\n",__FILE__,__LINE__,##__VA_ARGS__)

#define while_safe(bExp) int cnt = 20; while(bExp && (--cnt >0) ? 1 : (Log("dead loop"),0))

int main(){
	while_safe(1){
		Log("test");
	}
	return 0;
}