tzcode/stdtime/localtime.c

176 static const char *	getzname(const char * strp) ATTRIBUTE_PURE;
177 static const char *	getqzname(const char * strp, const int delim)
179 static const char *	getnum(const char * strp, int * nump, int min,
181 static const char *	getsecs(const char * strp, long * secsp);
182 static const char *	getoffset(const char * strp, long * offsetp);
183 static const char *	getrule(const char * strp, struct rule * rulep);
692 getzname(strp)
693 const char *	strp;
697 	while ((c = *strp) != '\0' && !is_digit(c) && c != ',' && c != '-' &&
699 			++strp;
700 	return strp;
713 getqzname(register const char *strp, const int delim)
717 	while ((c = *strp) != '\0' && c != delim)
718 		++strp;
719 	return strp;
730 getnum(strp, nump, min, max)
731 const char *	strp;
739 	if (strp == NULL || !is_digit(c = *strp))
746 		c = *++strp;
751 	return strp;
763 getsecs(strp, secsp)
764 const char *	strp;
775 	strp = getnum(strp, &num, 0, HOURSPERDAY * DAYSPERWEEK - 1);
776 	if (strp == NULL)
779 	if (*strp == ':') {
780 		++strp;
781 		strp = getnum(strp, &num, 0, MINSPERHOUR - 1);
782 		if (strp == NULL)
785 		if (*strp == ':') {
786 			++strp;
788 			strp = getnum(strp, &num, 0, SECSPERMIN);
789 			if (strp == NULL)
794 	return strp;
805 getoffset(strp, offsetp)
806 const char *	strp;
811 	if (*strp == '-') {
813 		++strp;
814 	} else if (*strp == '+')
815 		++strp;
816 	strp = getsecs(strp, offsetp);
817 	if (strp == NULL)
821 	return strp;
832 getrule(strp, rulep)
833 const char *			strp;
836 	if (*strp == 'J') {
841 		++strp;
842 		strp = getnum(strp, &rulep->r_day, 1, DAYSPERNYEAR);
843 	} else if (*strp == 'M') {
848 		++strp;
849 		strp = getnum(strp, &rulep->r_mon, 1, MONSPERYEAR);
850 		if (strp == NULL)
852 		if (*strp++ != '.')
854 		strp = getnum(strp, &rulep->r_week, 1, 5);
855 		if (strp == NULL)
857 		if (*strp++ != '.')
859 		strp = getnum(strp, &rulep->r_day, 0, DAYSPERWEEK - 1);
860 	} else if (is_digit(*strp)) {
865 		strp = getnum(strp, &rulep->r_day, 0, DAYSPERLYEAR - 1);
867 	if (strp == NULL)
869 	if (*strp == '/') {
873 		++strp;
874 		strp = getsecs(strp, &rulep->r_time);
876 	return strp;