--- parser3/src/classes/date.C	2003/07/24 11:31:19	1.46
+++ parser3/src/classes/date.C	2003/10/30 13:16:53	1.48
@@ -5,7 +5,7 @@
 	Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
 */
 
-static const char* IDENT_DATE_C="$Date: 2003/07/24 11:31:19 $";
+static const char* IDENT_DATE_C="$Date: 2003/10/30 13:16:53 $";
 
 #include "classes.h"
 #include "pa_vmethod_frame.h"
@@ -71,7 +71,14 @@ static int NN_year_to_NNNN(int year) {
 // 2002-04-25 18:14:00
 // 18:14:00
 // 2002:04:25 [+maybe time]
-time_t cstr_to_time_t(char *cstr, bool fail_on_error) { // used in image.C
+/*not static, used in image.C*/ time_t cstr_to_time_t(char *cstr, bool fail_on_error) {
+	if( !cstr || !*cstr ) {
+		if(fail_on_error)
+			throw Exception(0,
+				0,
+				"empty string is not valid datetime");
+		return 0;
+	}
 	char *cur=cstr;
 	int date_delim=isdigit(cur[0])&&isdigit(cur[1])&&isdigit(cur[2])&&isdigit(cur[3])&&cur[4]==':'?':'
 		:'-';
@@ -161,7 +168,6 @@ static void _sql_string(Request& r, Meth
 	r.write_assign_lang(String(buf, size));
 }
 
-
 static void _roll(Request& r, MethodParams& params) {
 	VDate& vdate=GET_SELF(r, VDate);
 
@@ -173,10 +179,14 @@ static void _roll(Request& r, MethodPara
 	if(what=="year") offset=&oyear;
 	else if(what=="month") offset=&omonth;
 	else if(what=="day") offset=&oday;
-	else
+	else if(what=="TZ") {
+		const String& argument_tz=params.as_string(1, "'TZ' must be string");
+		vdate.set_tz(&argument_tz);
+		return;
+	} else
 		throw Exception("parser.runtime",
 			&what,
-			"must be year|month|day");
+			"must be year|month|day|TZ");
 	
 	*offset=params.as_int(1, "offset must be int", r);