created time functions

inc/lc6_time.h

 #include "../inc/lc6_common.h"
 
 time_t lc6time_get(void);
+unsigned char *lc6time_getstr(void);
 
 
 #endif

src/lc6_time.c

+#include <stdio.h>
+#include <string.h>
 #include <time.h>
+#include <sys/time.h>
+#include <assert.h>
 
 #include "../inc/lc6_time.h"
 
 time_t lc6time_get(void) {
 	return time(NULL);
 }
+
+unsigned char *lc6time_getstr(void) {
+	struct timeval tv;
+	struct tm tm;
+	unsigned char *str = malloc(sizeof("yyyy-MM-dd HH:mm:ss.SSS")+1);
+
+	assert(str);
+	gettimeofday(&tv, NULL);
+	gmtime_r(&tv.tv_sec, &tm);
+
+	sprintf((char*)str, "%04i:%02i:%02i %02i-%02i-%02i.%03li",
+		tm.tm_year + 1900,
+		tm.tm_mon  + 1,
+		tm.tm_mday,
+		tm.tm_hour,
+		tm.tm_min,
+		tm.tm_sec,
+		tv.tv_usec / 1000);
+
+	return str;
+}