自己搞了个输出程序输出信息的头文件

famdestiny

贴在这记录下，免得总是printf

c文件

#include "debug.h"
#define DBG_LEVEL_CRITICAL 0
#define DBG_LEVEL_ERR 1
#define DBG_LEVEL_WARNING 2
#define DBG_LEVEL_MSG 3
#define DBG_LEVEL_TRACE 4
const char *msg_level[] = {
    "CRI",
    "ERR",
    "WAR",
    "MSG",
    "TRA"
};
int dbg_comm(unsigned int level, const char *fmt, va_list arglist)
{
    FILE *tg = NULL;
    if(level == DBG_LEVEL_CRITICAL || DBG_LEVEL_ERR == DBG_LEVEL_ERR)
    {
        tg = stderr;
    }
    else
    {
        tg = stdout;
    }
    #ifdef OUTPUT_TIME
    struct tm *time_info;
    struct timeval tv = {0};
    if (gettimeofday(&tv, NULL)  0)
    {
        perror("gettimeofday");
        return -1;
    }
    time_info = localtime(&(tv.tv_sec));
    fprintf(tg, "%02d:%02d:%02d:%06d--", time_info->tm_hour, time_info->tm_min, time_info->tm_sec, tv.tv_usec);
    #endif
    #ifdef OUTPUT_PID
    pid_t pid;
    pid = getpid();
    fprintf(tg, "%5u--", pid);
    #endif
    #ifdef OUTPUT_TID
    pid_t tid;
    if((tid = syscall(SYS_gettid)) == -1)
    {
        perror("syscall");
        tid = 65535;
    }
    fprintf(tg, "%5u--", tid);
    #endif
    fprintf(tg, "%s--", msg_level[level]);
    vfprintf(tg, fmt, arglist);
    return 0;
}
int dbg_trace(const char *fmt, ...)
{
    int ret;
    va_list arglist;
    va_start(arglist, fmt);
    ret = dbg_comm(DBG_LEVEL_TRACE, fmt, arglist);
    return ret;
}
int dbg_msg(const char *fmt, ...)
{
    int ret;
    va_list arglist;
    va_start(arglist, fmt);
    ret = dbg_comm(DBG_LEVEL_MSG, fmt, arglist);
    return ret;
}
int dbg_warning(const char *fmt, ...)
{
    int ret;
    va_list arglist;
    va_start(arglist, fmt);
    ret = dbg_comm(DBG_LEVEL_WARNING, fmt, arglist);
    return ret;
}
int dbg_err(const char *fmt, ...)
{
    int ret;
    va_list arglist;
    va_start(arglist, fmt);
    ret = dbg_comm(DBG_LEVEL_ERR, fmt, arglist);
    return ret;
}
int dbg_critical(const char *fmt, ...)
{
    int ret;
    va_list arglist;
    va_start(arglist, fmt);
    ret = dbg_comm(DBG_LEVEL_CRITICAL, fmt, arglist);
    return ret;
}

h文件

/*****************************************
*
*
*
* ***************************************/
#ifndef __DDB_DEBUG_H__
#define __DDB_DEBUG_H__
#ifndef _GUN_SOURCE
#define _GNU_SOURCE
#endif
#include unistd.h>
#include sys/syscall.h>
#include sys/types.h>
#include stdarg.h>
#include stdio.h>
#include time.h>
#ifdef __cplusplus
extern "C" {
#endif
//config debug options here
#define OUTPUT_TIME
#define OUTPUT_PID
#define OUTPUT_TID
int dbg_trace(const char *fmt, ...);
int dbg_msg(const char *fmt, ...);
int dbg_warning(const char *fmt, ...);
int dbg_err(const char *fmt, ...);
int dbg_critical(const char *fmt, ...);
#ifdef __cplusplus
}
#endif
#endif

测试文件main.c

#include "debug.h"
int main()
{
    dbg_trace("%s %d\n", "dbg_trace", 0);
    dbg_msg("%s %d\n", "dbg_msg", 1);
    dbg_warning("%s %d\n", "dbg_warning", 0);
    dbg_err("%s %d\n", "dbg_err", 0);
    dbg_critical("%s %d\n", "dbg_critical", 0);
    return 0;
}


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