Built motion from commit 6a09e18b.|2.6.11

[motion2.git] / legacy-libs / grpc-cloned / deps / grpc / third_party / abseil-cpp / absl / time / internal / cctz / src / tzfile.h

diff --git a/legacy-libs/grpc-cloned/deps/grpc/third_party/abseil-cpp/absl/time/internal/cctz/src/tzfile.h b/legacy-libs/grpc-cloned/deps/grpc/third_party/abseil-cpp/absl/time/internal/cctz/src/tzfile.h
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+/* Layout and location of TZif files.  */
+
+#ifndef TZFILE_H
+
+#define TZFILE_H
+
+/*
+** This file is in the public domain, so clarified as of
+** 1996-06-05 by Arthur David Olson.
+*/
+
+/*
+** This header is for use ONLY with the time conversion code.
+** There is no guarantee that it will remain unchanged,
+** or that it will remain at all.
+** Do NOT copy it to any system include directory.
+** Thank you!
+*/
+
+/*
+** Information about time zone files.
+*/
+
+#ifndef TZDIR
+#define TZDIR  "/usr/share/zoneinfo" /* Time zone object file directory */
+#endif /* !defined TZDIR */
+
+#ifndef TZDEFAULT
+#define TZDEFAULT      "/etc/localtime"
+#endif /* !defined TZDEFAULT */
+
+#ifndef TZDEFRULES
+#define TZDEFRULES     "posixrules"
+#endif /* !defined TZDEFRULES */
+
+
+/* See Internet RFC 8536 for more details about the following format.  */
+
+/*
+** Each file begins with. . .
+*/
+
+#define        TZ_MAGIC        "TZif"
+
+struct tzhead {
+       char    tzh_magic[4];           /* TZ_MAGIC */
+       char    tzh_version[1];         /* '\0' or '2' or '3' as of 2013 */
+       char    tzh_reserved[15];       /* reserved; must be zero */
+       char    tzh_ttisutcnt[4];       /* coded number of trans. time flags */
+       char    tzh_ttisstdcnt[4];      /* coded number of trans. time flags */
+       char    tzh_leapcnt[4];         /* coded number of leap seconds */
+       char    tzh_timecnt[4];         /* coded number of transition times */
+       char    tzh_typecnt[4];         /* coded number of local time types */
+       char    tzh_charcnt[4];         /* coded number of abbr. chars */
+};
+
+/*
+** . . .followed by. . .
+**
+**     tzh_timecnt (char [4])s         coded transition times a la time(2)
+**     tzh_timecnt (unsigned char)s    types of local time starting at above
+**     tzh_typecnt repetitions of
+**             one (char [4])          coded UT offset in seconds
+**             one (unsigned char)     used to set tm_isdst
+**             one (unsigned char)     that's an abbreviation list index
+**     tzh_charcnt (char)s             '\0'-terminated zone abbreviations
+**     tzh_leapcnt repetitions of
+**             one (char [4])          coded leap second transition times
+**             one (char [4])          total correction after above
+**     tzh_ttisstdcnt (char)s          indexed by type; if 1, transition
+**                                     time is standard time, if 0,
+**                                     transition time is local (wall clock)
+**                                     time; if absent, transition times are
+**                                     assumed to be local time
+**     tzh_ttisutcnt (char)s           indexed by type; if 1, transition
+**                                     time is UT, if 0, transition time is
+**                                     local time; if absent, transition
+**                                     times are assumed to be local time.
+**                                     When this is 1, the corresponding
+**                                     std/wall indicator must also be 1.
+*/
+
+/*
+** If tzh_version is '2' or greater, the above is followed by a second instance
+** of tzhead and a second instance of the data in which each coded transition
+** time uses 8 rather than 4 chars,
+** then a POSIX-TZ-environment-variable-style std::string for use in handling
+** instants after the last transition time stored in the file
+** (with nothing between the newlines if there is no POSIX representation for
+** such instants).
+**
+** If tz_version is '3' or greater, the above is extended as follows.
+** First, the POSIX TZ std::string's hour offset may range from -167
+** through 167 as compared to the POSIX-required 0 through 24.
+** Second, its DST start time may be January 1 at 00:00 and its stop
+** time December 31 at 24:00 plus the difference between DST and
+** standard time, indicating DST all year.
+*/
+
+/*
+** In the current implementation, "tzset()" refuses to deal with files that
+** exceed any of the limits below.
+*/
+
+#ifndef TZ_MAX_TIMES
+#define TZ_MAX_TIMES   2000
+#endif /* !defined TZ_MAX_TIMES */
+
+#ifndef TZ_MAX_TYPES
+/* This must be at least 17 for Europe/Samara and Europe/Vilnius.  */
+#define TZ_MAX_TYPES   256 /* Limited by what (unsigned char)'s can hold */
+#endif /* !defined TZ_MAX_TYPES */
+
+#ifndef TZ_MAX_CHARS
+#define TZ_MAX_CHARS   50      /* Maximum number of abbreviation characters */
+                               /* (limited by what unsigned chars can hold) */
+#endif /* !defined TZ_MAX_CHARS */
+
+#ifndef TZ_MAX_LEAPS
+#define TZ_MAX_LEAPS   50      /* Maximum number of leap second corrections */
+#endif /* !defined TZ_MAX_LEAPS */
+
+#endif /* !defined TZFILE_H */