打印日志到终端,颜色,线程号等信息

clog.c

// clog.h
#define DC_LOG_FD stderr ///<日志输出文件描述符,简单的输出到标准错误输出
#define CL_RED "\033[31m"
#define GREEN "\033[32m"
#define YELLOW "\033[33m"
#define BLUE "\033[34m"
#define PURPLE "\033[35m"
#define CL_ATTR_REV "\033[7m"
#define CL_ATTR_UNDERLINE "\033[4m"
#define _COLOR "\033[0m"
#define CLOG_TIME clog_time()
#define CLOG_PREFIX "%s==%ld== "
#define CLOG_DEBUG(fmt, ...) \
	fprintf(DC_LOG_FD,"D"CLOG_PREFIX PURPLE"%s (%s:%d):%s[%d] "_COLOR fmt "\r\n",\
	clog_time(),syscall(SYS_gettid),__FUNCTION__,__FILE__, __LINE__ , \
	strerror(errno) ,errno,##__VA_ARGS__ )
		
// clog.c
char * clog_time(void)
{
	time_t t;
	struct tm tm;
	t = time(NULL);
	localtime_r(&t, &tm);
	strftime(clog_str_time, 32, "[%F %T]", &tm);
	return clog_str_time;
}
// main.c
CLOG_DEBUG();
CLOG_DEBUG("say :%s :%d","hello",n);