The European Commission went out and invented a new sort of summer-time
changeover, so we have to extend the format of timezone files (in a backward- compatible way, of course). This probably means that libc needs a minor version number bump before 2.2 is released (or maybe not).
This commit is contained in:
parent
21271a8c7a
commit
35482326b2
@ -1,6 +1,6 @@
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#ifndef lint
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#ifndef NOID
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static char elsieid[] = "@(#)localtime.c 7.19";
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static char elsieid[] = "@(#)localtime.c 7.44";
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#endif /* !defined NOID */
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#endif /* !defined lint */
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@ -16,7 +16,9 @@ static char elsieid[] = "@(#)localtime.c 7.19";
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#include "tzfile.h"
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#include "fcntl.h"
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#define ACCESS_MODE O_RDONLY
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/*
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** SunOS 4.1.1 headers lack O_BINARY.
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*/
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#ifdef O_BINARY
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#define OPEN_MODE (O_RDONLY | O_BINARY)
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@ -29,9 +31,9 @@ static char elsieid[] = "@(#)localtime.c 7.19";
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/*
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** Someone might make incorrect use of a time zone abbreviation:
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** 1. They might reference tzname[0] before calling tzset (explicitly
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** or implicitly).
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** or implicitly).
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** 2. They might reference tzname[1] before calling tzset (explicitly
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** or implicitly).
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** or implicitly).
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** 3. They might reference tzname[1] after setting to a time zone
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** in which Daylight Saving Time is never observed.
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** 4. They might reference tzname[0] after setting to a time zone
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@ -48,13 +50,16 @@ static char elsieid[] = "@(#)localtime.c 7.19";
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#define WILDABBR " "
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#endif /* !defined WILDABBR */
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static const char GMT[] = "GMT";
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static char wildabbr[] = "WILDABBR";
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static const char gmt[] = "GMT";
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struct ttinfo { /* time type information */
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long tt_gmtoff; /* GMT offset in seconds */
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int tt_isdst; /* used to set tm_isdst */
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int tt_abbrind; /* abbreviation list index */
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int tt_ttisstd; /* TRUE if transition is std time */
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int tt_ttisgmt; /* TRUE if transition is GMT */
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};
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struct lsinfo { /* leap second information */
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@ -79,7 +84,7 @@ struct state {
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time_t ats[TZ_MAX_TIMES];
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unsigned char types[TZ_MAX_TIMES];
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struct ttinfo ttis[TZ_MAX_TYPES];
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char chars[BIGGEST(BIGGEST(TZ_MAX_CHARS + 1, sizeof GMT),
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char chars[BIGGEST(BIGGEST(TZ_MAX_CHARS + 1, sizeof gmt),
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(2 * (MY_TZNAME_MAX + 1)))];
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struct lsinfo lsis[TZ_MAX_LEAPS];
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};
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@ -116,9 +121,13 @@ static int increment_overflow P((int * number, int delta));
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static int normalize_overflow P((int * tensptr, int * unitsptr,
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int base));
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static void settzname P((void));
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static time_t time1 P((struct tm * tmp, void (* funcp)(),
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static time_t time1 P((struct tm * tmp,
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void(*funcp) P((const time_t *,
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long, struct tm *)),
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long offset));
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static time_t time2 P((struct tm *tmp, void (* funcp)(),
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static time_t time2 P((struct tm *tmp,
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void(*funcp) P((const time_t *,
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long, struct tm*)),
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long offset, int * okayp));
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static void timesub P((const time_t * timep, long offset,
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const struct state * sp, struct tm * tmp));
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@ -142,14 +151,29 @@ static struct state gmtmem;
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#define gmtptr (&gmtmem)
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#endif /* State Farm */
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#ifndef TZ_STRLEN_MAX
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#define TZ_STRLEN_MAX 255
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#endif /* !defined TZ_STRLEN_MAX */
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static char lcl_TZname[TZ_STRLEN_MAX + 1];
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static int lcl_is_set;
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static int gmt_is_set;
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char * tzname[2] = {
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WILDABBR,
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WILDABBR
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wildabbr,
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wildabbr
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};
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/*
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** Section 4.12.3 of X3.159-1989 requires that
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** Except for the strftime function, these functions [asctime,
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** ctime, gmtime, localtime] return values in one of two static
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** objects: a broken-down time structure and an array of char.
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** Thanks to Paul Eggert (eggert@twinsun.com) for noting this.
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*/
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static struct tm tm;
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#ifdef USG_COMPAT
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time_t timezone = 0;
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int daylight = 0;
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@ -166,20 +190,20 @@ const char * const codep;
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register long result;
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register int i;
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result = 0;
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result = (codep[0] & 0x80) ? ~0L : 0L;
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for (i = 0; i < 4; ++i)
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result = (result << 8) | (codep[i] & 0xff);
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return result;
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}
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static void
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settzname()
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settzname P((void))
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{
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register const struct state * const sp = lclptr;
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register struct state * const sp = lclptr;
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register int i;
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tzname[0] = WILDABBR;
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tzname[1] = WILDABBR;
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tzname[0] = wildabbr;
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tzname[1] = wildabbr;
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#ifdef USG_COMPAT
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daylight = 0;
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timezone = 0;
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@ -189,7 +213,7 @@ settzname()
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#endif /* defined ALTZONE */
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#ifdef ALL_STATE
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if (sp == NULL) {
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tzname[0] = tzname[1] = GMT;
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tzname[0] = tzname[1] = gmt;
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return;
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}
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#endif /* defined ALL_STATE */
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@ -197,7 +221,7 @@ settzname()
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register const struct ttinfo * const ttisp = &sp->ttis[i];
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tzname[ttisp->tt_isdst] =
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(char *) &sp->chars[ttisp->tt_abbrind];
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&sp->chars[ttisp->tt_abbrind];
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#ifdef USG_COMPAT
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if (ttisp->tt_isdst)
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daylight = 1;
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@ -218,7 +242,7 @@ settzname()
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sp->types[i]];
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tzname[ttisp->tt_isdst] =
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(char *) &sp->chars[ttisp->tt_abbrind];
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&sp->chars[ttisp->tt_abbrind];
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}
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}
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@ -234,7 +258,14 @@ register struct state * const sp;
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if (name == NULL && (name = TZDEFAULT) == NULL)
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return -1;
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{
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register int doaccess;
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register int doaccess;
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/*
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** Section 4.9.1 of the C standard says that
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** "FILENAME_MAX expands to an integral constant expression
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** that is the sie needed for an array of char large enough
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** to hold the longest file name string that the implementation
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** guarantees can be opened."
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*/
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char fullname[FILENAME_MAX + 1];
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if (name[0] == ':')
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@ -255,39 +286,49 @@ register struct state * const sp;
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doaccess = TRUE;
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name = fullname;
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}
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if (doaccess && access(name, ACCESS_MODE) != 0)
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if (doaccess && access(name, R_OK) != 0)
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return -1;
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if ((fid = open(name, OPEN_MODE)) == -1)
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return -1;
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}
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{
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register const struct tzhead * tzhp;
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char buf[sizeof *sp + sizeof *tzhp];
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int ttisstdcnt;
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struct tzhead * tzhp;
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char buf[sizeof *sp + sizeof *tzhp];
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int ttisstdcnt;
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int ttisgmtcnt;
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i = read(fid, buf, sizeof buf);
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if (close(fid) != 0 || i < sizeof *tzhp)
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if (close(fid) != 0)
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return -1;
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tzhp = (struct tzhead *) buf;
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ttisstdcnt = (int) detzcode(tzhp->tzh_ttisstdcnt);
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sp->leapcnt = (int) detzcode(tzhp->tzh_leapcnt);
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sp->timecnt = (int) detzcode(tzhp->tzh_timecnt);
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sp->typecnt = (int) detzcode(tzhp->tzh_typecnt);
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sp->charcnt = (int) detzcode(tzhp->tzh_charcnt);
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p = buf;
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p += sizeof tzhp->tzh_reserved;
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ttisstdcnt = (int) detzcode(p);
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p += 4;
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ttisgmtcnt = (int) detzcode(p);
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p += 4;
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sp->leapcnt = (int) detzcode(p);
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p += 4;
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sp->timecnt = (int) detzcode(p);
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p += 4;
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sp->typecnt = (int) detzcode(p);
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p += 4;
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sp->charcnt = (int) detzcode(p);
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p += 4;
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if (sp->leapcnt < 0 || sp->leapcnt > TZ_MAX_LEAPS ||
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sp->typecnt <= 0 || sp->typecnt > TZ_MAX_TYPES ||
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sp->timecnt < 0 || sp->timecnt > TZ_MAX_TIMES ||
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sp->charcnt < 0 || sp->charcnt > TZ_MAX_CHARS ||
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(ttisstdcnt != sp->typecnt && ttisstdcnt != 0))
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(ttisstdcnt != sp->typecnt && ttisstdcnt != 0) ||
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(ttisgmtcnt != sp->typecnt && ttisgmtcnt != 0))
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return -1;
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if (i < sizeof *tzhp +
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sp->timecnt * (4 + sizeof (char)) +
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sp->typecnt * (4 + 2 * sizeof (char)) +
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sp->charcnt * sizeof (char) +
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sp->leapcnt * 2 * 4 +
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ttisstdcnt * sizeof (char))
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if (i - (p - buf) < sp->timecnt * 4 + /* ats */
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sp->timecnt + /* types */
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sp->typecnt * (4 + 2) + /* ttinfos */
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sp->charcnt + /* chars */
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sp->leapcnt * (4 + 4) + /* lsinfos */
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ttisstdcnt + /* ttisstds */
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ttisgmtcnt) /* ttisgmts */
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return -1;
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p = buf + sizeof *tzhp;
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for (i = 0; i < sp->timecnt; ++i) {
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sp->ats[i] = detzcode(p);
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p += 4;
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@ -336,6 +377,19 @@ register struct state * const sp;
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return -1;
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}
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}
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for (i = 0; i < sp->typecnt; ++i) {
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register struct ttinfo * ttisp;
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ttisp = &sp->ttis[i];
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if (ttisgmtcnt == 0)
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ttisp->tt_ttisgmt = FALSE;
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else {
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ttisp->tt_ttisgmt = *p++;
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if (ttisp->tt_ttisgmt != TRUE &&
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ttisp->tt_ttisgmt != FALSE)
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return -1;
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}
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}
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}
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return 0;
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}
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@ -414,10 +468,16 @@ long * const secsp;
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{
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int num;
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strp = getnum(strp, &num, 0, HOURSPERDAY);
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/*
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** `HOURSPERDAY * DAYSPERWEEK - 1' allows quasi-Posix rules like
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** "M10.4.6/26", which does not conform to Posix,
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** but which specifies the equivalent of
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** ``02:00 on the first Sunday on or after 23 Oct''.
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*/
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strp = getnum(strp, &num, 0, HOURSPERDAY * DAYSPERWEEK - 1);
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if (strp == NULL)
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return NULL;
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*secsp = num * SECSPERHOUR;
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*secsp = num * (long) SECSPERHOUR;
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if (*strp == ':') {
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++strp;
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strp = getnum(strp, &num, 0, MINSPERHOUR - 1);
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@ -426,7 +486,8 @@ long * const secsp;
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*secsp += num * SECSPERMIN;
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if (*strp == ':') {
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++strp;
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strp = getnum(strp, &num, 0, SECSPERMIN - 1);
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/* `SECSPERMIN' allows for leap seconds. */
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strp = getnum(strp, &num, 0, SECSPERMIN);
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if (strp == NULL)
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return NULL;
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*secsp += num;
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@ -536,6 +597,7 @@ const long offset;
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register int i;
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int d, m1, yy0, yy1, yy2, dow;
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INITIALIZE(value);
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leapyear = isleap(year);
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switch (rulep->r_type) {
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@ -626,8 +688,8 @@ const int lastditch;
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{
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const char * stdname;
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const char * dstname;
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int stdlen;
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int dstlen;
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size_t stdlen;
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size_t dstlen;
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long stdoffset;
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long dstoffset;
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register time_t * atp;
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@ -635,6 +697,7 @@ const int lastditch;
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register char * cp;
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register int load_result;
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INITIALIZE(dstname);
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stdname = name;
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if (lastditch) {
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stdlen = strlen(name); /* length of standard zone name */
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@ -721,82 +784,88 @@ const int lastditch;
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SECSPERDAY;
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}
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} else {
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int sawstd;
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int sawdst;
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long stdfix;
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long dstfix;
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long oldfix;
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int isdst;
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register long theirstdoffset;
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register long theirdstoffset;
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register long theiroffset;
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register int isdst;
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register int i;
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register int j;
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if (*name != '\0')
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return -1;
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if (load_result != 0)
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return -1;
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/*
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** Compute the difference between the real and
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** prototype standard and summer time offsets
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** from GMT, and put the real standard and summer
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** time offsets into the rules in place of the
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** prototype offsets.
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** Initial values of theirstdoffset and theirdstoffset.
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*/
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sawstd = FALSE;
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sawdst = FALSE;
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stdfix = 0;
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dstfix = 0;
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for (i = 0; i < sp->typecnt; ++i) {
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if (sp->ttis[i].tt_isdst) {
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oldfix = dstfix;
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dstfix = sp->ttis[i].tt_gmtoff +
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dstoffset;
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if (sawdst && (oldfix != dstfix))
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return -1;
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sp->ttis[i].tt_gmtoff = -dstoffset;
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sp->ttis[i].tt_abbrind = stdlen + 1;
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sawdst = TRUE;
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} else {
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oldfix = stdfix;
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stdfix = sp->ttis[i].tt_gmtoff +
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stdoffset;
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if (sawstd && (oldfix != stdfix))
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return -1;
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sp->ttis[i].tt_gmtoff = -stdoffset;
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sp->ttis[i].tt_abbrind = 0;
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sawstd = TRUE;
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theirstdoffset = 0;
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for (i = 0; i < sp->timecnt; ++i) {
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j = sp->types[i];
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if (!sp->ttis[j].tt_isdst) {
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theirstdoffset = -sp->ttis[j].tt_gmtoff;
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break;
|
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}
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}
|
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theirdstoffset = 0;
|
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for (i = 0; i < sp->timecnt; ++i) {
|
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j = sp->types[i];
|
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if (sp->ttis[j].tt_isdst) {
|
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theirdstoffset = -sp->ttis[j].tt_gmtoff;
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break;
|
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}
|
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}
|
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/*
|
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** Make sure we have both standard and summer time.
|
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** Initially we're assumed to be in standard time.
|
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*/
|
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if (!sawdst || !sawstd)
|
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return -1;
|
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isdst = FALSE;
|
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theiroffset = theirstdoffset;
|
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/*
|
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** Now correct the transition times by shifting
|
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** them by the difference between the real and
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** prototype offsets. Note that this difference
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** can be different in standard and summer time;
|
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** the prototype probably has a 1-hour difference
|
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** between standard and summer time, but a different
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** difference can be specified in TZ.
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** Now juggle transition times and types
|
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** tracking offsets as you do.
|
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*/
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isdst = FALSE; /* we start in standard time */
|
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for (i = 0; i < sp->timecnt; ++i) {
|
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register const struct ttinfo * ttisp;
|
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|
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/*
|
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** If summer time is in effect, and the
|
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** transition time was not specified as
|
||||
** standard time, add the summer time
|
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** offset to the transition time;
|
||||
** otherwise, add the standard time offset
|
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** to the transition time.
|
||||
*/
|
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ttisp = &sp->ttis[sp->types[i]];
|
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sp->ats[i] +=
|
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(isdst && !ttisp->tt_ttisstd) ?
|
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dstfix : stdfix;
|
||||
isdst = ttisp->tt_isdst;
|
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j = sp->types[i];
|
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sp->types[i] = sp->ttis[j].tt_isdst;
|
||||
if (sp->ttis[j].tt_ttisgmt) {
|
||||
/* No adjustment to transition time */
|
||||
} else {
|
||||
/*
|
||||
** If summer time is in effect, and the
|
||||
** transition time was not specified as
|
||||
** standard time, add the summer time
|
||||
** offset to the transition time;
|
||||
** otherwise, add the standard time
|
||||
** offset to the transition time.
|
||||
*/
|
||||
/*
|
||||
** Transitions from DST to DDST
|
||||
** will effectively disappear since
|
||||
** POSIX provides for only one DST
|
||||
** offset.
|
||||
*/
|
||||
if (isdst && !sp->ttis[j].tt_ttisstd) {
|
||||
sp->ats[i] += dstoffset -
|
||||
theirdstoffset;
|
||||
} else {
|
||||
sp->ats[i] += stdoffset -
|
||||
theirstdoffset;
|
||||
}
|
||||
}
|
||||
theiroffset = -sp->ttis[j].tt_gmtoff;
|
||||
if (sp->ttis[j].tt_isdst)
|
||||
theirdstoffset = theiroffset;
|
||||
else theirstdoffset = theiroffset;
|
||||
}
|
||||
/*
|
||||
** Finally, fill in ttis.
|
||||
** ttisstd and ttisgmt need not be handled.
|
||||
*/
|
||||
sp->ttis[0].tt_gmtoff = -stdoffset;
|
||||
sp->ttis[0].tt_isdst = FALSE;
|
||||
sp->ttis[0].tt_abbrind = 0;
|
||||
sp->ttis[1].tt_gmtoff = -dstoffset;
|
||||
sp->ttis[1].tt_isdst = TRUE;
|
||||
sp->ttis[1].tt_abbrind = stdlen + 1;
|
||||
}
|
||||
} else {
|
||||
dstlen = 0;
|
||||
@ -826,17 +895,24 @@ static void
|
||||
gmtload(sp)
|
||||
struct state * const sp;
|
||||
{
|
||||
if (tzload(GMT, sp) != 0)
|
||||
(void) tzparse(GMT, sp, TRUE);
|
||||
if (tzload(gmt, sp) != 0)
|
||||
(void) tzparse(gmt, sp, TRUE);
|
||||
}
|
||||
|
||||
#ifndef STD_INSPIRED
|
||||
/*
|
||||
** A non-static declaration of tzsetwall in a system header file
|
||||
** may cause a warning about this upcoming static declaration...
|
||||
*/
|
||||
static
|
||||
#endif /* !defined STD_INSPIRED */
|
||||
void
|
||||
tzsetwall()
|
||||
tzsetwall P((void))
|
||||
{
|
||||
lcl_is_set = TRUE;
|
||||
if (lcl_is_set < 0)
|
||||
return;
|
||||
lcl_is_set = -1;
|
||||
|
||||
#ifdef ALL_STATE
|
||||
if (lclptr == NULL) {
|
||||
lclptr = (struct state *) malloc(sizeof *lclptr);
|
||||
@ -852,7 +928,7 @@ tzsetwall()
|
||||
}
|
||||
|
||||
void
|
||||
tzset()
|
||||
tzset P((void))
|
||||
{
|
||||
register const char * name;
|
||||
|
||||
@ -861,7 +937,13 @@ tzset()
|
||||
tzsetwall();
|
||||
return;
|
||||
}
|
||||
lcl_is_set = TRUE;
|
||||
|
||||
if (lcl_is_set > 0 && strcmp(lcl_TZname, name) == 0)
|
||||
return;
|
||||
lcl_is_set = (strlen(name) < sizeof(lcl_TZname));
|
||||
if (lcl_is_set)
|
||||
(void) strcpy(lcl_TZname, name);
|
||||
|
||||
#ifdef ALL_STATE
|
||||
if (lclptr == NULL) {
|
||||
lclptr = (struct state *) malloc(sizeof *lclptr);
|
||||
@ -879,7 +961,7 @@ tzset()
|
||||
lclptr->timecnt = 0;
|
||||
lclptr->ttis[0].tt_gmtoff = 0;
|
||||
lclptr->ttis[0].tt_abbrind = 0;
|
||||
(void) strcpy(lclptr->chars, GMT);
|
||||
(void) strcpy(lclptr->chars, gmt);
|
||||
} else if (tzload(name, lclptr) != 0)
|
||||
if (name[0] == ':' || tzparse(name, lclptr, FALSE) != 0)
|
||||
(void) gmtload(lclptr);
|
||||
@ -902,13 +984,11 @@ const time_t * const timep;
|
||||
const long offset;
|
||||
struct tm * const tmp;
|
||||
{
|
||||
register const struct state * sp;
|
||||
register struct state * sp;
|
||||
register const struct ttinfo * ttisp;
|
||||
register int i;
|
||||
const time_t t = *timep;
|
||||
|
||||
if (!lcl_is_set)
|
||||
tzset();
|
||||
sp = lclptr;
|
||||
#ifdef ALL_STATE
|
||||
if (sp == NULL) {
|
||||
@ -938,9 +1018,9 @@ struct tm * const tmp;
|
||||
*/
|
||||
timesub(&t, ttisp->tt_gmtoff, sp, tmp);
|
||||
tmp->tm_isdst = ttisp->tt_isdst;
|
||||
tzname[tmp->tm_isdst] = (char *) &sp->chars[ttisp->tt_abbrind];
|
||||
tzname[tmp->tm_isdst] = &sp->chars[ttisp->tt_abbrind];
|
||||
#ifdef TM_ZONE
|
||||
tmp->TM_ZONE = (char *)&sp->chars[ttisp->tt_abbrind];
|
||||
tmp->TM_ZONE = &sp->chars[ttisp->tt_abbrind];
|
||||
#endif /* defined TM_ZONE */
|
||||
}
|
||||
|
||||
@ -948,8 +1028,7 @@ struct tm *
|
||||
localtime(timep)
|
||||
const time_t * const timep;
|
||||
{
|
||||
static struct tm tm;
|
||||
|
||||
tzset();
|
||||
localsub(timep, 0L, &tm);
|
||||
return &tm;
|
||||
}
|
||||
@ -980,11 +1059,11 @@ struct tm * const tmp;
|
||||
** but this is no time for a treasure hunt.
|
||||
*/
|
||||
if (offset != 0)
|
||||
tmp->TM_ZONE = WILDABBR;
|
||||
tmp->TM_ZONE = wildabbr;
|
||||
else {
|
||||
#ifdef ALL_STATE
|
||||
if (gmtptr == NULL)
|
||||
tmp->TM_ZONE = GMT;
|
||||
tmp->TM_ZONE = gmt;
|
||||
else tmp->TM_ZONE = gmtptr->chars;
|
||||
#endif /* defined ALL_STATE */
|
||||
#ifndef ALL_STATE
|
||||
@ -998,8 +1077,6 @@ struct tm *
|
||||
gmtime(timep)
|
||||
const time_t * const timep;
|
||||
{
|
||||
static struct tm tm;
|
||||
|
||||
gmtsub(timep, 0L, &tm);
|
||||
return &tm;
|
||||
}
|
||||
@ -1011,8 +1088,6 @@ offtime(timep, offset)
|
||||
const time_t * const timep;
|
||||
const long offset;
|
||||
{
|
||||
static struct tm tm;
|
||||
|
||||
gmtsub(timep, offset, &tm);
|
||||
return &tm;
|
||||
}
|
||||
@ -1074,7 +1149,7 @@ register struct tm * const tmp;
|
||||
days = -24855;
|
||||
rem = -11648;
|
||||
}
|
||||
#endif /* mc68k */
|
||||
#endif /* defined mc68k */
|
||||
rem += (offset - corr);
|
||||
while (rem < 0) {
|
||||
rem += SECSPERDAY;
|
||||
@ -1127,6 +1202,12 @@ char *
|
||||
ctime(timep)
|
||||
const time_t * const timep;
|
||||
{
|
||||
/*
|
||||
** Section 4.12.3.2 of X3.159-1989 requires that
|
||||
** The ctime funciton converts the calendar time pointed to by timer
|
||||
** to local time in the form of a string. It is equivalent to
|
||||
** asctime(localtime(timer))
|
||||
*/
|
||||
return asctime(localtime(timep));
|
||||
}
|
||||
|
||||
@ -1152,7 +1233,7 @@ increment_overflow(number, delta)
|
||||
int * number;
|
||||
int delta;
|
||||
{
|
||||
int number0;
|
||||
int number0;
|
||||
|
||||
number0 = *number;
|
||||
*number += delta;
|
||||
@ -1193,7 +1274,7 @@ register const struct tm * const btmp;
|
||||
static time_t
|
||||
time2(tmp, funcp, offset, okayp)
|
||||
struct tm * const tmp;
|
||||
void (* const funcp)();
|
||||
void (* const funcp) P((const time_t*, long, struct tm*));
|
||||
const long offset;
|
||||
int * const okayp;
|
||||
{
|
||||
@ -1338,7 +1419,7 @@ int * const okayp;
|
||||
static time_t
|
||||
time1(tmp, funcp, offset)
|
||||
struct tm * const tmp;
|
||||
void (* const funcp)();
|
||||
void (* const funcp) P((const time_t*, long, struct tm*));
|
||||
const long offset;
|
||||
{
|
||||
register time_t t;
|
||||
@ -1401,6 +1482,7 @@ time_t
|
||||
mktime(tmp)
|
||||
struct tm * const tmp;
|
||||
{
|
||||
tzset();
|
||||
return time1(tmp, localsub, 0L);
|
||||
}
|
||||
|
||||
@ -1475,8 +1557,6 @@ time_t * timep;
|
||||
register struct lsinfo * lp;
|
||||
register int i;
|
||||
|
||||
if (!lcl_is_set)
|
||||
(void) tzset();
|
||||
sp = lclptr;
|
||||
i = sp->leapcnt;
|
||||
while (--i >= 0) {
|
||||
@ -1491,6 +1571,7 @@ time_t
|
||||
time2posix(t)
|
||||
time_t t;
|
||||
{
|
||||
tzset();
|
||||
return t - leapcorr(&t);
|
||||
}
|
||||
|
||||
@ -1501,6 +1582,7 @@ time_t t;
|
||||
time_t x;
|
||||
time_t y;
|
||||
|
||||
tzset();
|
||||
/*
|
||||
** For a positive leap second hit, the result
|
||||
** is not unique. For a negative leap second
|
||||
|
@ -26,12 +26,59 @@
|
||||
|
||||
#ifndef lint
|
||||
#ifndef NOID
|
||||
static char privatehid[] = "@(#)private.h 7.5";
|
||||
/*static char privatehid[] = "@(#)private.h 7.33";*/
|
||||
#endif /* !defined NOID */
|
||||
#endif /* !defined lint */
|
||||
|
||||
/*
|
||||
** const
|
||||
** Defaults for preprocessor symbols.
|
||||
** You can override these in your C compiler options, e.g. `-DHAVE_ADJTIME=0'.
|
||||
*/
|
||||
|
||||
#ifndef HAVE_ADJTIME
|
||||
#define HAVE_ADJTIME 1
|
||||
#endif /* !defined HAVE_ADJTIME */
|
||||
|
||||
#ifndef HAVE_SETTIMEOFDAY
|
||||
#define HAVE_SETTIMEOFDAY 3
|
||||
#endif /* !defined HAVE_SETTIMEOFDAY */
|
||||
|
||||
#ifndef HAVE_UNISTD_H
|
||||
#define HAVE_UNISTD_H 1
|
||||
#endif /* !defined HAVE_UNISTD_H */
|
||||
|
||||
/*
|
||||
** Nested includes
|
||||
*/
|
||||
|
||||
#include "sys/types.h" /* for time_t */
|
||||
#include "stdio.h"
|
||||
#include "ctype.h"
|
||||
#include "errno.h"
|
||||
#include "string.h"
|
||||
#include "limits.h" /* for CHAR_BIT */
|
||||
#include "time.h"
|
||||
#include "stdlib.h"
|
||||
|
||||
#if HAVE_UNISTD_H - 0
|
||||
#include "unistd.h" /* for F_OK and R_OK */
|
||||
#endif /* HAVE_UNISTD_H - 0 */
|
||||
|
||||
#if !(HAVE_UNISTD_H - 0)
|
||||
#ifndef F_OK
|
||||
#define F_OK 0
|
||||
#endif /* !defined F_OK */
|
||||
#ifndef R_OK
|
||||
#define R_OK 4
|
||||
#endif /* !defined R_OK */
|
||||
#endif /* !(HAVE_UNISTD_H - 0) */
|
||||
|
||||
/*
|
||||
** Workarounds for compilers/systems.
|
||||
*/
|
||||
|
||||
/*
|
||||
** SunOS 4.1.1 cc lacks const.
|
||||
*/
|
||||
|
||||
#ifndef const
|
||||
@ -41,21 +88,7 @@ static char privatehid[] = "@(#)private.h 7.5";
|
||||
#endif /* !defined const */
|
||||
|
||||
/*
|
||||
** void
|
||||
*/
|
||||
|
||||
#ifndef void
|
||||
#ifndef __STDC__
|
||||
#ifndef vax
|
||||
#ifndef sun
|
||||
#define void char
|
||||
#endif /* !defined sun */
|
||||
#endif /* !defined vax */
|
||||
#endif /* !defined __STDC__ */
|
||||
#endif /* !defined void */
|
||||
|
||||
/*
|
||||
** P((args))
|
||||
** SunOS 4.1.1 cc lacks prototypes.
|
||||
*/
|
||||
|
||||
#ifndef P
|
||||
@ -63,36 +96,29 @@ static char privatehid[] = "@(#)private.h 7.5";
|
||||
#define P(x) x
|
||||
#endif /* defined __STDC__ */
|
||||
#ifndef __STDC__
|
||||
#define ASTERISK *
|
||||
#define P(x) ( /ASTERISK x ASTERISK/ )
|
||||
#define P(x) ()
|
||||
#endif /* !defined __STDC__ */
|
||||
#endif /* !defined P */
|
||||
|
||||
/*
|
||||
** genericptr_t
|
||||
** SunOS 4.1.1 headers lack EXIT_SUCCESS.
|
||||
*/
|
||||
|
||||
#ifdef __STDC__
|
||||
typedef void * genericptr_t;
|
||||
#endif /* defined __STDC__ */
|
||||
#ifndef __STDC__
|
||||
typedef char * genericptr_t;
|
||||
#endif /* !defined __STDC__ */
|
||||
#ifndef EXIT_SUCCESS
|
||||
#define EXIT_SUCCESS 0
|
||||
#endif /* !defined EXIT_SUCCESS */
|
||||
|
||||
#include "sys/types.h" /* for time_t */
|
||||
#include "stdio.h"
|
||||
#include "ctype.h"
|
||||
#include "errno.h"
|
||||
#include "string.h"
|
||||
#include "limits.h" /* for CHAR_BIT */
|
||||
#ifndef _TIME_
|
||||
#include "time.h"
|
||||
#endif /* !defined _TIME_ */
|
||||
/*
|
||||
** SunOS 4.1.1 headers lack EXIT_FAILURE.
|
||||
*/
|
||||
|
||||
#ifndef remove
|
||||
extern int unlink P((const char * filename));
|
||||
#define remove unlink
|
||||
#endif /* !defined remove */
|
||||
#ifndef EXIT_FAILURE
|
||||
#define EXIT_FAILURE 1
|
||||
#endif /* !defined EXIT_FAILURE */
|
||||
|
||||
/*
|
||||
** SunOS 4.1.1 headers lack FILENAME_MAX.
|
||||
*/
|
||||
|
||||
#ifndef FILENAME_MAX
|
||||
|
||||
@ -111,62 +137,18 @@ extern int unlink P((const char * filename));
|
||||
|
||||
#endif /* !defined FILENAME_MAX */
|
||||
|
||||
#ifndef EXIT_SUCCESS
|
||||
#define EXIT_SUCCESS 0
|
||||
#endif /* !defined EXIT_SUCCESS */
|
||||
|
||||
#ifndef EXIT_FAILURE
|
||||
#define EXIT_FAILURE 1
|
||||
#endif /* !defined EXIT_FAILURE */
|
||||
|
||||
#ifdef __STDC__
|
||||
|
||||
#define alloc_size_t size_t
|
||||
#define qsort_size_t size_t
|
||||
#define fwrite_size_t size_t
|
||||
|
||||
#endif /* defined __STDC__ */
|
||||
#ifndef __STDC__
|
||||
|
||||
#ifndef alloc_size_t
|
||||
#define alloc_size_t unsigned
|
||||
#endif /* !defined alloc_size_t */
|
||||
|
||||
#ifndef qsort_size_t
|
||||
#ifdef USG
|
||||
#define qsort_size_t unsigned
|
||||
#endif /* defined USG */
|
||||
#ifndef USG
|
||||
#define qsort_size_t int
|
||||
#endif /* !defined USG */
|
||||
#endif /* !defined qsort_size_t */
|
||||
|
||||
#ifndef fwrite_size_t
|
||||
#define fwrite_size_t int
|
||||
#endif /* !defined fwrite_size_t */
|
||||
|
||||
#ifndef USG
|
||||
extern char * sprintf P((char * buf, const char * format, ...));
|
||||
#endif /* !defined USG */
|
||||
|
||||
#endif /* !defined __STDC__ */
|
||||
|
||||
/*
|
||||
** Ensure that these are declared--redundantly declaring them shouldn't hurt.
|
||||
** SunOS 4.1.1 libraries lack remove.
|
||||
*/
|
||||
|
||||
extern char * getenv P((const char * name));
|
||||
extern genericptr_t malloc P((alloc_size_t size));
|
||||
extern genericptr_t calloc P((alloc_size_t nelem, alloc_size_t elsize));
|
||||
extern genericptr_t realloc P((genericptr_t oldptr, alloc_size_t newsize));
|
||||
#ifndef remove
|
||||
extern int unlink P((const char * filename));
|
||||
#define remove unlink
|
||||
#endif /* !defined remove */
|
||||
|
||||
#ifdef USG
|
||||
extern void exit P((int s));
|
||||
extern void qsort P((genericptr_t base, qsort_size_t nelem,
|
||||
qsort_size_t elsize, int (*comp)()));
|
||||
extern void perror P((const char * string));
|
||||
extern void free P((char * buf));
|
||||
#endif /* defined USG */
|
||||
/*
|
||||
** Finally, some convenience items.
|
||||
*/
|
||||
|
||||
#ifndef TRUE
|
||||
#define TRUE 1
|
||||
@ -188,8 +170,31 @@ extern void free P((char * buf));
|
||||
#endif /* !defined INT_STRLEN_MAXIMUM */
|
||||
|
||||
/*
|
||||
** UNIX is a registered trademark of AT&T.
|
||||
** VAX is a trademark of Digital Equipment Corporation.
|
||||
** INITIALIZE(x)
|
||||
*/
|
||||
|
||||
#ifndef GNUC_or_lint
|
||||
#ifdef lint
|
||||
#define GNUC_or_lint
|
||||
#endif /* defined lint */
|
||||
#ifndef lint
|
||||
#ifdef __GNUC__
|
||||
#define GNUC_or_lint
|
||||
#endif /* defined __GNUC__ */
|
||||
#endif /* !defined lint */
|
||||
#endif /* !defined GNUC_or_lint */
|
||||
|
||||
#ifndef INITIALIZE
|
||||
#ifdef GNUC_or_lint
|
||||
#define INITIALIZE(x) ((x) = 0)
|
||||
#endif /* defined GNUC_or_lint */
|
||||
#ifndef GNUC_or_lint
|
||||
#define INITIALIZE(x)
|
||||
#endif /* !defined GNUC_or_lint */
|
||||
#endif /* !defined INITIALIZE */
|
||||
|
||||
/*
|
||||
** UNIX was a registered trademark of UNIX System Laboratories in 1993.
|
||||
*/
|
||||
|
||||
#endif /* !defined PRIVATE_H */
|
||||
|
@ -16,7 +16,7 @@
|
||||
|
||||
#ifndef lint
|
||||
#ifndef NOID
|
||||
static char tzfilehid[] = "@(#)tzfile.h 7.4";
|
||||
/*static char tzfilehid[] = "@(#)tzfile.h 7.6";*/
|
||||
#endif /* !defined NOID */
|
||||
#endif /* !defined lint */
|
||||
|
||||
@ -41,7 +41,8 @@ static char tzfilehid[] = "@(#)tzfile.h 7.4";
|
||||
*/
|
||||
|
||||
struct tzhead {
|
||||
char tzh_reserved[24]; /* reserved for future use */
|
||||
char tzh_reserved[20]; /* reserved for future use */
|
||||
char tzh_ttisgmtcnt[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 */
|
||||
@ -67,6 +68,11 @@ struct tzhead {
|
||||
** transition time is wall clock time
|
||||
** if absent, transition times are
|
||||
** assumed to be wall clock time
|
||||
** tzh_ttisgmtcnt (char)s indexed by type; if TRUE, transition
|
||||
** time is GMT, if FALSE,
|
||||
** transition time is local time
|
||||
** if absent, transition times are
|
||||
** assumed to be local time
|
||||
*/
|
||||
|
||||
/*
|
||||
@ -89,7 +95,11 @@ struct tzhead {
|
||||
#define TZ_MAX_TYPES 256 /* Limited by what (unsigned char)'s can hold */
|
||||
#endif /* !defined NOSOLAR */
|
||||
#ifdef NOSOLAR
|
||||
#define TZ_MAX_TYPES 10 /* Maximum number of local time types */
|
||||
/*
|
||||
** Must be at least 14 for Europe/Riga as of Jan 12 1995,
|
||||
** as noted by Earl Chew <earl@hpato.aus.hp.com>.
|
||||
*/
|
||||
#define TZ_MAX_TYPES 20 /* Maximum number of local time types */
|
||||
#endif /* !defined NOSOLAR */
|
||||
#endif /* !defined TZ_MAX_TYPES */
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user