diff options
Diffstat (limited to 'contrib/tzcode/zic/zic.c')
| -rw-r--r-- | contrib/tzcode/zic/zic.c | 49 |
1 files changed, 48 insertions, 1 deletions
diff --git a/contrib/tzcode/zic/zic.c b/contrib/tzcode/zic/zic.c index 7670056..5fb8b53 100644 --- a/contrib/tzcode/zic/zic.c +++ b/contrib/tzcode/zic/zic.c @@ -3,7 +3,7 @@ ** 2006-07-17 by Arthur David Olson. */ -static const char elsieid[] = "@(#)zic.c 8.20"; +static const char elsieid[] = "@(#)zic.c 8.22"; #ifndef lint static const char rcsid[] = @@ -1588,6 +1588,53 @@ const char * const string; if (thistimei == 0) writetype[0] = TRUE; } +#ifndef LEAVE_SOME_PRE_2011_SYSTEMS_IN_THE_LURCH + /* + ** For some pre-2011 systems: if the last-to-be-written + ** standard (or daylight) type has an offset different from the + ** most recently used offset, + ** append an (unused) copy of the most recently used type + ** (to help get global "altzone" and "timezone" variables + ** set correctly). + */ + { + register int mrudst, mrustd, hidst, histd, type; + + hidst = histd = mrudst = mrustd = -1; + for (i = thistimei; i < thistimelim; ++i) + if (isdsts[types[i]]) + mrudst = types[i]; + else mrustd = types[i]; + for (i = 0; i < typecnt; ++i) + if (writetype[i]) { + if (isdsts[i]) + hidst = i; + else histd = i; + } + if (hidst >= 0 && mrudst >= 0 && hidst != mrudst && + gmtoffs[hidst] != gmtoffs[mrudst]) { + isdsts[mrudst] = -1; + type = addtype(gmtoffs[mrudst], + &chars[abbrinds[mrudst]], + TRUE, + ttisstds[mrudst], + ttisgmts[mrudst]); + isdsts[mrudst] = TRUE; + writetype[type] = TRUE; + } + if (histd >= 0 && mrustd >= 0 && histd != mrustd && + gmtoffs[histd] != gmtoffs[mrustd]) { + isdsts[mrustd] = -1; + type = addtype(gmtoffs[mrustd], + &chars[abbrinds[mrustd]], + FALSE, + ttisstds[mrustd], + ttisgmts[mrustd]); + isdsts[mrustd] = FALSE; + writetype[type] = TRUE; + } + } +#endif /* !defined LEAVE_SOME_PRE_2011_SYSTEMS_IN_THE_LURCH */ thistypecnt = 0; for (i = 0; i < typecnt; ++i) typemap[i] = writetype[i] ? thistypecnt++ : -1; |
