Debug Logs

logs.h

#ifndef _LOGS_H_
#define _LOHS_H_
#include <stdio.h>

#define DEBUG    1
#define _LTS_AM    1
#define _LTF_AM    0

#if DEBUG
#define DSPRINTF(cope,mesg,arg...)    if(cope)printf(mesg,##arg);else 
#define DFOPEN(cope,file,filename,arg)    if(cope)file=fopen(filename,arg);else 
#define DFPRINTF(cope,file,mesg,arg...)    if(cope)fprintf(file,mesg,##arg);else
#define DFCLOSE(cope,file)    if(cope)fclose(file);else 
#else//DEBUG
#define DSPRINTF(cope,mesg,arg...)
#define DFOPEN(cope,file,filename,arg)
#define DFPRINTF(cope,file,mesg,arg...)
#define DFCLOSE(cope,file)
#endif
#endif//_LOGS_H_

logs.c

#include "logs.h"
#include <pthread.h>

void *thread_routine(void *arg)
{
    int i;
    FILE *threadfile;
    DFOPEN(_LTF_AM,threadfile,"filet","a");
#if _LTF_AM
    for(i=0;i<5;++i)
    {
        DFPRINTF(_LTF_AM,threadfile,"%d\n",i);
    }
#endif
    DFPRINTF(_LTF_AM,threadfile,"thread end\n");
    DFPRINTF(_LTF_AM,threadfile,"%d\n",1);
    DFPRINTF(_LTF_AM,threadfile,"%d+%d=%d\n",1,2,3);
    DFCLOSE(_LTF_AM,threadfile);
}

int main()
{
    int a=1;
    if(a==1)
        DSPRINTF(_LTS_AM,"Hello\n");
    else
        printf("error!\n");
    DSPRINTF(_LTS_AM,"%d\n",1);
    DSPRINTF(_LTS_AM,"%d+%d=%d\n\n",1,2,3);
    pthread_t id;
    int i;
    FILE *mainfile;
    pthread_create(&id,NULL,thread_routine,NULL);
    DFOPEN(_LTF_AM,mainfile,"filem","a");
#if _LTF_AM
    for(i=0;i<5;++i)
    {
        DFPRINTF(_LTF_AM,mainfile,"%d\n",i+1);
    }
#endif
    DFPRINTF(_LTF_AM,mainfile,"main end\n");
    DFPRINTF(_LTF_AM,mainfile,"%d\n",1);
    DFPRINTF(_LTF_AM,mainfile,"%d+%d=%d\n",1,2,3);
    DFCLOSE(_LTF_AM,mainfile);
    pthread_join(id,NULL);
    printf("end.\n");
    return 0;
}