57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
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/*
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* Timezone parsing
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*/
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/**
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* \file
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* Definitions for timezone parsing
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*
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* \author
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* Ralf Schlatterbeck <rsc@tux.runtux.com>
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*/
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#ifndef tzparse_h
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#define tzparse_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Rule for DST switching
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*/
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struct tzrule {
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int r_type; /* type of rule--see below */
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int r_day; /* day number of rule */
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int r_week; /* week number of rule */
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int r_mon; /* month number of rule */
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long r_time; /* transition time of rule */
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};
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#define JULIAN_DAY 0 /* Jn - Julian day */
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#define DAY_OF_YEAR 1 /* n - day of year */
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#define MONTH_NTH_DAY_OF_WEEK 2 /* Mm.n.d - month, week, day of week */
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/*
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* Info about timezone offset handling.
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* We get at least a dstname and stdoffset, if no daylight saving is in
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* effect, dstname is NULL and no rule is filled in.
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*/
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struct tzoffset_info {
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const char *stdname;
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const char *dstname;
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long stdoffset;
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long dstoffset;
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struct tzrule start;
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struct tzrule end;
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char namebuf [TZ_MAX_CHARS];
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};
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int tzparse (const char *name, struct tzoffset_info *tzo);
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#ifdef __cplusplus
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}
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#endif
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#endif // tzparse_h
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