VCL cookie setting, time maniulation

gistfile1.txt

C{
		#include<stdio.h>
		#include <time.h>
		#include <string.h>
		#define vcl_string char

	char* get_expiration() {
    		struct tm str_time;
    		time_t time_of_day;
    		char expiration[100];


		str_time.tm_year = 3000 -1900;
		str_time.tm_mon = 0;
		str_time.tm_mday = 1;
		str_time.tm_hour = 1;
		str_time.tm_min = 1;
		str_time.tm_sec = 1;

		time_of_day = mktime(&str_time);
		printf("%s\n", ctime(&time_of_day));
		/* The value for this option is a date in the format Wdy, DD-Mon-YYYY HH:MM:SS GMT */
		/* Like: Sat, 02 May 2009 23:38:25 GMT */
		strftime (expiration, 100, "%a, %b %d %Y %H:%M:%S GMT", localtime(&time_of_day));

		return expiration;

	}


	void set_cache_control(const struct sess *sp) {
		char *now = VRT_time_string(sp, VRT_r_now(sp));
		char *expiration = get_expiration();
		VRT_SetHdr(sp, HDR_BERESP, "\016Last-Modified:", now, vrt_magic_string_end);
		/*VRT_SetHdr(sp, HDR_OBJ, "\016Cache-Control:", "private, max-age=86400, s-maxage=0", vrt_magic_string_end);
		*/
	}

	/*
	* Sets cookie in the form:
	* Blahs=Wed, Mar 11 2015 GMT;Expires=Wed, Jan 01 3000 01:01:01 GMT;Path=/; HttpOnly
	*/
	void set_last_access_cookie(const struct sess *sp) {
		char now[30];
		time_t mytime;
		mytime = time(NULL);
		// note this would print two digits for the day, like Thu, Mar 01
		strftime (now, 100, "%F GMT", gmtime(&mytime));
		char lacookie[100];
		strcpy(lacookie,  "Blah=");
		strcat(lacookie, now);
		strcat(lacookie, ";Expires=Wed, Jan 01 3000 01:01:01 GMT");
		strcat(lacookie, ";Path=/;HttpOnly;");
		/* by default cookies are set on the top domain */
		Vmod_Func_header.append(sp, HDR_RESP, "\013Set-Cookie:", lacookie, vrt_magic_string_end);
	}


}C