Log.hpp

#include <stdarg.h>
#include <stdio.h>
#include <time.h>
#include <string.h>
#include <chrono>

inline void nlogerr(const char *msg, ...)
{
	const int TIMEBUF_LENGTH = 12;
	const int LOGBUF_MAXLEN = 1024 * 1024;
	char LOGBUF[LOGBUF_MAXLEN + 1] = { 0 };
	char 		m_timebuf[20];
	const int reservedLen = 1;//for \n
	ui64 now = time(0);
#ifdef WIN32
	tm tm_now;
	localtime_s(&tm_now, (time_t*)&now);
	strftime(m_timebuf, sizeof(m_timebuf), "[%H:%M:%S]: ", &tm_now);
	strncpy_s(LOGBUF, m_timebuf, TIMEBUF_LENGTH);
#else
	tm* tm_ = localtime((time_t*)&now);
	strftime(m_timebuf, sizeof(m_timebuf), "[%H:%M:%S]: ", tm_);
	strncpy(LOGBUF, m_timebuf, TIMEBUF_LENGTH);
#endif
	const int size = LOGBUF_MAXLEN - TIMEBUF_LENGTH - reservedLen;
	va_list args;
	va_start(args, msg);
	vsnprintf(LOGBUF + TIMEBUF_LENGTH, size, msg, args);
	va_end(args);
	puts(LOGBUF);
}