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diff --git a/time/zic.8 b/time/zic.8 deleted file mode 100644 index b3623aa26..000000000 --- a/time/zic.8 +++ /dev/null @@ -1,406 +0,0 @@ -.TH ZIC 8 -.SH NAME -zic \- time zone compiler -.SH SYNOPSIS -.B zic -[ -.B \-v -] [ -.B \-d -.I directory -] [ -.B \-l -.I localtime -] [ -.B \-p -.I posixrules -] [ -.B \-L -.I leapsecondfilename -] [ -.B \-s -] [ -.B \-y -.I command -] [ -.I filename -\&... ] -.SH DESCRIPTION -.if t .ds lq `` -.if t .ds rq '' -.if n .ds lq \&"\" -.if n .ds rq \&"\" -.de q -\\$3\*(lq\\$1\*(rq\\$2 -.. -.I Zic -reads text from the file(s) named on the command line -and creates the time conversion information files specified in this input. -If a -.I filename -is -.BR \- , -the standard input is read. -.PP -These options are available: -.TP -.BI "\-d " directory -Create time conversion information files in the named directory rather than -in the standard directory named below. -.TP -.BI "\-l " timezone -Use the given time zone as local time. -.I Zic -will act as if the input contained a link line of the form -.sp -.ti +.5i -Link \fItimezone\fP localtime -.TP -.BI "\-p " timezone -Use the given time zone's rules when handling POSIX-format -time zone environment variables. -.I Zic -will act as if the input contained a link line of the form -.sp -.ti +.5i -Link \fItimezone\fP posixrules -.TP -.BI "\-L " leapsecondfilename -Read leap second information from the file with the given name. -If this option is not used, -no leap second information appears in output files. -.TP -.B \-v -Complain if a year that appears in a data file is outside the range -of years representable by -.IR time (2) -values. -.TP -.B \-s -Limit time values stored in output files to values that are the same -whether they're taken to be signed or unsigned. -You can use this option to generate SVVS-compatible files. -.TP -.BI "\-y " command -Use the given -.I command -rather than -.B yearistype -when checking year types (see below). -.PP -Input lines are made up of fields. -Fields are separated from one another by any number of white space characters. -Leading and trailing white space on input lines is ignored. -An unquoted sharp character (#) in the input introduces a comment which extends -to the end of the line the sharp character appears on. -White space characters and sharp characters may be enclosed in double quotes -(") if they're to be used as part of a field. -Any line that is blank (after comment stripping) is ignored. -Non-blank lines are expected to be of one of three types: -rule lines, zone lines, and link lines. -.PP -A rule line has the form -.nf -.ti +.5i -.ta \w'Rule\0\0'u +\w'NAME\0\0'u +\w'FROM\0\0'u +\w'1973\0\0'u +\w'TYPE\0\0'u +\w'Apr\0\0'u +\w'lastSun\0\0'u +\w'2:00\0\0'u +\w'SAVE\0\0'u -.sp -Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -.sp -For example: -.ti +.5i -.sp -Rule US 1967 1973 \- Apr lastSun 2:00 1:00 D -.sp -.fi -The fields that make up a rule line are: -.TP "\w'LETTER/S'u" -.B NAME -Gives the (arbitrary) name of the set of rules this rule is part of. -.TP -.B FROM -Gives the first year in which the rule applies. -Any integer year can be supplied; the Gregorian calendar is assumed. -The word -.B minimum -(or an abbreviation) means the minimum year representable as an integer. -The word -.B maximum -(or an abbreviation) means the maximum year representable as an integer. -Rules can describe times that are not representable as time values, -with the unrepresentable times ignored; this allows rules to be portable -among hosts with differing time value types. -.TP -.B TO -Gives the final year in which the rule applies. -In addition to -.B minimum -and -.B maximum -(as above), -the word -.B only -(or an abbreviation) -may be used to repeat the value of the -.B FROM -field. -.TP -.B TYPE -Gives the type of year in which the rule applies. -If -.B TYPE -is -.B \- -then the rule applies in all years between -.B FROM -and -.B TO -inclusive. -If -.B TYPE -is something else, then -.I zic -executes the command -.ti +.5i -\fByearistype\fP \fIyear\fP \fItype\fP -.br -to check the type of a year: -an exit status of zero is taken to mean that the year is of the given type; -an exit status of one is taken to mean that the year is not of the given type. -.TP -.B IN -Names the month in which the rule takes effect. -Month names may be abbreviated. -.TP -.B ON -Gives the day on which the rule takes effect. -Recognized forms include: -.nf -.in +.5i -.sp -.ta \w'Sun<=25\0\0'u -5 the fifth of the month -lastSun the last Sunday in the month -lastMon the last Monday in the month -Sun>=8 first Sunday on or after the eighth -Sun<=25 last Sunday on or before the 25th -.fi -.in -.5i -.sp -Names of days of the week may be abbreviated or spelled out in full. -Note that there must be no spaces within the -.B ON -field. -.TP -.B AT -Gives the time of day at which the rule takes effect. -Recognized forms include: -.nf -.in +.5i -.sp -.ta \w'1:28:13\0\0'u -2 time in hours -2:00 time in hours and minutes -15:00 24-hour format time (for times after noon) -1:28:14 time in hours, minutes, and seconds -.fi -.in -.5i -.sp -Any of these forms may be followed by the letter -.B w -if the given time is local -.q "wall clock" -time, -.B s -if the given time is local -.q standard -time, or -.B u -(or -.B g -or -.BR z ) -if the given time is universal time; -in the absence of an indicator, -wall clock time is assumed. -.TP -.B SAVE -Gives the amount of time to be added to local standard time when the rule is in -effect. -This field has the same format as the -.B AT -field -(although, of course, the -.B w -and -.B s -suffixes are not used). -.TP -.B LETTER/S -Gives the -.q "variable part" -(for example, the -.q S -or -.q D -in -.q EST -or -.q EDT ) -of time zone abbreviations to be used when this rule is in effect. -If this field is -.BR \- , -the variable part is null. -.PP -A zone line has the form -.sp -.nf -.ti +.5i -.ta \w'Zone\0\0'u +\w'Australia/Adelaide\0\0'u +\w'GMTOFF\0\0'u +\w'RULES/SAVE\0\0'u +\w'FORMAT\0\0'u -Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL] -.sp -For example: -.sp -.ti +.5i -Zone Australia/Adelaide 9:30 Aus CST 1971 Oct 31 2:00 -.sp -.fi -The fields that make up a zone line are: -.TP "\w'GMTOFF'u" -.B NAME -The name of the time zone. -This is the name used in creating the time conversion information file for the -zone. -.TP -.B GMTOFF -The amount of time to add to GMT to get standard time in this zone. -This field has the same format as the -.B AT -and -.B SAVE -fields of rule lines; -begin the field with a minus sign if time must be subtracted from GMT. -.TP -.B RULES/SAVE -The name of the rule(s) that apply in the time zone or, -alternately, an amount of time to add to local standard time. -If this field is -.B \- -then standard time always applies in the time zone. -.TP -.B FORMAT -The format for time zone abbreviations in this time zone. -The pair of characters -.B %s -is used to show where the -.q "variable part" -of the time zone abbreviation goes. -.TP -.B UNTIL -The time at which the GMT offset or the rule(s) change for a location. -It is specified as a year, a month, a day, and a time of day. -If this is specified, -the time zone information is generated from the given GMT offset -and rule change until the time specified. -.IP -The next line must be a -.q continuation -line; this has the same form as a zone line except that the -string -.q Zone -and the name are omitted, as the continuation line will -place information starting at the time specified as the -.B UNTIL -field in the previous line in the file used by the previous line. -Continuation lines may contain an -.B UNTIL -field, just as zone lines do, indicating that the next line is a further -continuation. -.PP -A link line has the form -.sp -.nf -.ti +.5i -.if t .ta \w'Link\0\0'u +\w'LINK-FROM\0\0'u -.if n .ta \w'Link\0\0'u +\w'US/Eastern\0\0'u -Link LINK-FROM LINK-TO -.sp -For example: -.sp -.ti +.5i -Link US/Eastern EST5EDT -.sp -.fi -The -.B LINK-FROM -field should appear as the -.B NAME -field in some zone line; -the -.B LINK-TO -field is used as an alternate name for that zone. -.PP -Except for continuation lines, -lines may appear in any order in the input. -.PP -Lines in the file that describes leap seconds have the following form: -.nf -.ti +.5i -.ta \w'Leap\0\0'u +\w'YEAR\0\0'u +\w'MONTH\0\0'u +\w'DAY\0\0'u +\w'HH:MM:SS\0\0'u +\w'CORR\0\0'u -.sp -Leap YEAR MONTH DAY HH:MM:SS CORR R/S -.sp -For example: -.ti +.5i -.sp -Leap 1974 Dec 31 23:59:60 + S -.sp -.fi -The -.BR YEAR , -.BR MONTH , -.BR DAY , -and -.B HH:MM:SS -fields tell when the leap second happened. -The -.B CORR -field -should be -.q + -if a second was added -or -.q - -if a second was skipped. -.\" There's no need to document the following, since it's impossible for more -.\" than one leap second to be inserted or deleted at a time. -.\" The C Standard is in error in suggesting the possibility. -.\" See Terry J Quinn, The BIPM and the accurate measure of time, -.\" Proc IEEE 79, 7 (July 1991), 894-905. -.\" or -.\" .q ++ -.\" if two seconds were added -.\" or -.\" .q -- -.\" if two seconds were skipped. -The -.B R/S -field -should be (an abbreviation of) -.q Stationary -if the leap second time given by the other fields should be interpreted as GMT -or -(an abbreviation of) -.q Rolling -if the leap second time given by the other fields should be interpreted as -local wall clock time. -.SH NOTE -For areas with more than two types of local time, -you may need to use local standard time in the -.B AT -field of the earliest transition time's rule to ensure that -the earliest transition time recorded in the compiled file is correct. -.SH FILE -/usr/local/etc/zoneinfo standard directory used for created files -.SH "SEE ALSO" -newctime(3), tzfile(5), zdump(8) -.\" @(#)zic.8 7.10 |