ext/date/zonetab.list: gperf timezone names

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55320 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

6 files changed, 1106 insertions, 100 deletions

diff --git a/common.mk b/common.mk
index ff435a0cfd..ec9e999145 100644
--- a/common.mk
+++ b/common.mk
@@ -788,7 +788,9 @@ EXT_SRCS = $(srcdir)/ext/ripper/ripper.c \
 
 srcs-ext: $(EXT_SRCS)
 
-srcs-extra: $(srcdir)/ext/json/parser/parser.c
+srcs-extra: $(srcdir)/ext/json/parser/parser.c \
+	    $(srcdir)/ext/date/zonetab.c \
+	    $(empty)
 
 LIB_SRCS = $(srcdir)/lib/unicode_normalize/tables.rb
 
@@ -889,6 +891,11 @@ $(srcdir)/ext/json/parser/parser.c: $(srcdir)/ext/json/parser/parser.rl
 	$(Q) $(CHDIR) $(@D) && $(exec) $(MAKE) -f prereq.mk $(MFLAGS) \
 		Q=$(Q) ECHO=$(ECHO) top_srcdir=../../.. srcdir=. VPATH=../../.. BASERUBY="$(BASERUBY)"
 
+$(srcdir)/ext/date/zonetab.c: $(srcdir)/ext/date/zonetab.list
+	$(ECHO) generating $@
+	$(Q) $(CHDIR) $(@D) && $(exec) $(MAKE) -f prereq.mk $(MFLAGS) \
+		Q=$(Q) ECHO=$(ECHO) top_srcdir=../../.. srcdir=. VPATH=../../.. BASERUBY="$(BASERUBY)"
+
 $(srcdir)/ext/rbconfig/sizeof/sizes.c: $(srcdir)/ext/rbconfig/sizeof/depend \
 		$(srcdir)/tool/generic_erb.rb $(srcdir)/template/sizes.c.tmpl $(srcdir)/configure.in
 	$(ECHO) generating $@
diff --git a/ext/date/date_parse.c b/ext/date/date_parse.c
index 07647ebd88..efb414e2ee 100644
--- a/ext/date/date_parse.c
+++ b/ext/date/date_parse.c
@@ -337,88 +337,7 @@ subx(VALUE str, VALUE rep, VALUE pat, VALUE hash, int (*cb)(VALUE, VALUE))
 }
 #endif
 
-struct zone {
-    const char *name;
-    int offset;
-};
-
-static const struct zone zones_source[] = {
-    {"ut",   0*3600}, {"gmt",  0*3600}, {"est", -5*3600}, {"edt", -4*3600},
-    {"cst", -6*3600}, {"cdt", -5*3600}, {"mst", -7*3600}, {"mdt", -6*3600},
-    {"pst", -8*3600}, {"pdt", -7*3600},
-    {"a",    1*3600}, {"b",    2*3600}, {"c",    3*3600}, {"d",    4*3600},
-    {"e",    5*3600}, {"f",    6*3600}, {"g",    7*3600}, {"h",    8*3600},
-    {"i",    9*3600}, {"k",   10*3600}, {"l",   11*3600}, {"m",   12*3600},
-    {"n",   -1*3600}, {"o",   -2*3600}, {"p",   -3*3600}, {"q",   -4*3600},
-    {"r",   -5*3600}, {"s",   -6*3600}, {"t",   -7*3600}, {"u",   -8*3600},
-    {"v",   -9*3600}, {"w",  -10*3600}, {"x",  -11*3600}, {"y",  -12*3600},
-    {"z",    0*3600},
-
-    {"utc",  0*3600}, {"wet",  0*3600},
-    {"at",  -2*3600}, {"brst",-2*3600}, {"ndt", -(2*3600+1800)},
-    {"art", -3*3600}, {"adt", -3*3600}, {"brt", -3*3600}, {"clst",-3*3600},
-    {"nst", -(3*3600+1800)},
-    {"ast", -4*3600}, {"clt", -4*3600},
-    {"akdt",-8*3600}, {"ydt", -8*3600},
-    {"akst",-9*3600}, {"hadt",-9*3600}, {"hdt", -9*3600}, {"yst", -9*3600},
-    {"ahst",-10*3600},{"cat",-10*3600}, {"hast",-10*3600},{"hst",-10*3600},
-    {"nt",  -11*3600},
-    {"idlw",-12*3600},
-    {"bst",  1*3600}, {"cet",  1*3600}, {"fwt",  1*3600}, {"met",  1*3600},
-    {"mewt", 1*3600}, {"mez",  1*3600}, {"swt",  1*3600}, {"wat",  1*3600},
-    {"west", 1*3600},
-    {"cest", 2*3600}, {"eet",  2*3600}, {"fst",  2*3600}, {"mest", 2*3600},
-    {"mesz", 2*3600}, {"sast", 2*3600}, {"sst",  2*3600},
-    {"bt",   3*3600}, {"eat",  3*3600}, {"eest", 3*3600}, {"msk",  3*3600},
-    {"msd",  4*3600}, {"zp4",  4*3600},
-    {"zp5",  5*3600}, {"ist",  (5*3600+1800)},
-    {"zp6",  6*3600},
-    {"wast", 7*3600},
-    {"cct",  8*3600}, {"sgt",  8*3600}, {"wadt", 8*3600},
-    {"jst",  9*3600}, {"kst",  9*3600},
-    {"east",10*3600}, {"gst", 10*3600},
-    {"eadt",11*3600},
-    {"idle",12*3600}, {"nzst",12*3600}, {"nzt", 12*3600},
-    {"nzdt",13*3600},
-
-    {"afghanistan",             16200}, {"alaskan",                -32400},
-    {"arab",                    10800}, {"arabian",                 14400},
-    {"arabic",                  10800}, {"atlantic",               -14400},
-    {"aus central",             34200}, {"aus eastern",             36000},
-    {"azores",                  -3600}, {"canada central",         -21600},
-    {"cape verde",              -3600}, {"caucasus",                14400},
-    {"cen. australia",          34200}, {"central america",        -21600},
-    {"central asia",            21600}, {"central europe",           3600},
-    {"central european",         3600}, {"central pacific",         39600},
-    {"central",                -21600}, {"china",                   28800},
-    {"dateline",               -43200}, {"e. africa",               10800},
-    {"e. australia",            36000}, {"e. europe",                7200},
-    {"e. south america",       -10800}, {"eastern",                -18000},
-    {"egypt",                    7200}, {"ekaterinburg",            18000},
-    {"fiji",                    43200}, {"fle",                      7200},
-    {"greenland",              -10800}, {"greenwich",                   0},
-    {"gtb",                      7200}, {"hawaiian",               -36000},
-    {"india",                   19800}, {"iran",                    12600},
-    {"jerusalem",                7200}, {"korea",                   32400},
-    {"mexico",                 -21600}, {"mid-atlantic",            -7200},
-    {"mountain",               -25200}, {"myanmar",                 23400},
-    {"n. central asia",         21600}, {"nepal",                   20700},
-    {"new zealand",             43200}, {"newfoundland",           -12600},
-    {"north asia east",         28800}, {"north asia",              25200},
-    {"pacific sa",             -14400}, {"pacific",                -28800},
-    {"romance",                  3600}, {"russian",                 10800},
-    {"sa eastern",             -10800}, {"sa pacific",             -18000},
-    {"sa western",             -14400}, {"samoa",                  -39600},
-    {"se asia",                 25200}, {"malay peninsula",         28800},
-    {"south africa",             7200}, {"sri lanka",               21600},
-    {"taipei",                  28800}, {"tasmania",                36000},
-    {"tokyo",                   32400}, {"tonga",                   46800},
-    {"us eastern",             -18000}, {"us mountain",            -25200},
-    {"vladivostok",             36000}, {"w. australia",            28800},
-    {"w. central africa",        3600}, {"w. europe",                3600},
-    {"west asia",               18000}, {"west pacific",            36000},
-    {"yakutsk",                 32400}
-};
+#include "zonetab.h"
 
 VALUE
 date_zone_to_diff(VALUE str)
@@ -491,24 +410,12 @@ date_zone_to_diff(VALUE str)
 #undef DST
 	}
 	{
-	    static VALUE zones = Qnil;
-
-	    if (NIL_P(zones)) {
-		int i;
-
-		zones = rb_hash_new();
-		rb_gc_register_mark_object(zones);
-		for (i = 0; i < (int)sizeof_array(zones_source); i++) {
-		    VALUE name = rb_str_new2(zones_source[i].name);
-		    VALUE offset = INT2FIX(zones_source[i].offset);
-		    rb_hash_aset(zones, name, offset);
-		}
-	    }
-
-	    offset = f_aref(zones, str);
-	    if (!NIL_P(offset)) {
+	    const struct zone *z = zonetab(RSTRING_PTR(str), (unsigned int)RSTRING_LEN(str));
+	    if (z) {
+		int d = z->offset;
 		if (dst)
-		    offset = f_add(offset, INT2FIX(3600));
+		    d += 3600;
+		offset = INT2FIX(d);
 		goto ok;
 	    }
 	}
diff --git a/ext/date/depend b/ext/date/depend
index 941b8d6815..ddc6ee357a 100644
--- a/ext/date/depend
+++ b/ext/date/depend
@@ -29,6 +29,7 @@ date_parse.o: $(hdrdir)/ruby/st.h
 date_parse.o: $(hdrdir)/ruby/subst.h
 date_parse.o: $(top_srcdir)/include/ruby.h
 date_parse.o: date_parse.c
+date_parse.o: zonetab.h
 date_strftime.o: $(RUBY_EXTCONF_H)
 date_strftime.o: $(arch_hdrdir)/ruby/config.h
 date_strftime.o: $(hdrdir)/ruby/backward.h
diff --git a/ext/date/prereq.mk b/ext/date/prereq.mk
new file mode 100644
index 0000000000..e9ee35adc6
--- /dev/null
+++ b/ext/date/prereq.mk
@@ -0,0 +1,8 @@
+.SUFFIXES: .list
+
+.list.h:
+	gperf -E -C -P -p -j1 -i 1 -g -o -t -N $(*F) $< \
+	| sed 's/(int)(long)&((\(struct stringpool_t\) *\*)0)->\(stringpool_[a-z0-9]*\)/offsetof(\1, \2)/g' \
+	> $(@F)
+
+zonetab.h: zonetab.list
diff --git a/ext/date/zonetab.h b/ext/date/zonetab.h
new file mode 100644
index 0000000000..d759a2274d
--- /dev/null
+++ b/ext/date/zonetab.h
@@ -0,0 +1,902 @@
+/* C code produced by gperf version 3.0.4 */
+/* Command-line: gperf -E -C -P -p -j1 -i 1 -g -o -t -N zonetab zonetab.list  */
+/* Computed positions: -k'1-4,$' */
+
+#if !((' ' == 32) && ('!' == 33) && ('"' == 34) && ('#' == 35) \
+      && ('%' == 37) && ('&' == 38) && ('\'' == 39) && ('(' == 40) \
+      && (')' == 41) && ('*' == 42) && ('+' == 43) && (',' == 44) \
+      && ('-' == 45) && ('.' == 46) && ('/' == 47) && ('0' == 48) \
+      && ('1' == 49) && ('2' == 50) && ('3' == 51) && ('4' == 52) \
+      && ('5' == 53) && ('6' == 54) && ('7' == 55) && ('8' == 56) \
+      && ('9' == 57) && (':' == 58) && (';' == 59) && ('<' == 60) \
+      && ('=' == 61) && ('>' == 62) && ('?' == 63) && ('A' == 65) \
+      && ('B' == 66) && ('C' == 67) && ('D' == 68) && ('E' == 69) \
+      && ('F' == 70) && ('G' == 71) && ('H' == 72) && ('I' == 73) \
+      && ('J' == 74) && ('K' == 75) && ('L' == 76) && ('M' == 77) \
+      && ('N' == 78) && ('O' == 79) && ('P' == 80) && ('Q' == 81) \
+      && ('R' == 82) && ('S' == 83) && ('T' == 84) && ('U' == 85) \
+      && ('V' == 86) && ('W' == 87) && ('X' == 88) && ('Y' == 89) \
+      && ('Z' == 90) && ('[' == 91) && ('\\' == 92) && (']' == 93) \
+      && ('^' == 94) && ('_' == 95) && ('a' == 97) && ('b' == 98) \
+      && ('c' == 99) && ('d' == 100) && ('e' == 101) && ('f' == 102) \
+      && ('g' == 103) && ('h' == 104) && ('i' == 105) && ('j' == 106) \
+      && ('k' == 107) && ('l' == 108) && ('m' == 109) && ('n' == 110) \
+      && ('o' == 111) && ('p' == 112) && ('q' == 113) && ('r' == 114) \
+      && ('s' == 115) && ('t' == 116) && ('u' == 117) && ('v' == 118) \
+      && ('w' == 119) && ('x' == 120) && ('y' == 121) && ('z' == 122) \
+      && ('{' == 123) && ('|' == 124) && ('}' == 125) && ('~' == 126))
+/* The character set is not based on ISO-646.  */
+error "gperf generated tables don't work with this execution character set. Please report a bug to <bug-gnu-gperf@gnu.org>."
+#endif
+
+#line 1 "zonetab.list"
+
+struct zone {
+    int name;
+    int offset;
+};
+static inline const struct zone *zonetab();
+#line 9 "zonetab.list"
+struct zone;
+/* maximum key range = 434, duplicates = 0 */
+
+#if (defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__cplusplus) || defined(__GNUC_STDC_INLINE__)
+inline
+#elif defined(__GNUC__)
+__inline
+#endif
+static unsigned int
+hash (str, len)
+     register const char *str;
+     register unsigned int len;
+{
+  static const unsigned short asso_values[] =
+    {
+      439, 439, 439, 439, 439, 439, 439, 439, 439, 439,
+      439, 439, 439, 439, 439, 439, 439, 439, 439, 439,
+      439, 439, 439, 439, 439, 439, 439, 439, 439, 439,
+      439, 439,  19, 439, 439, 439, 439, 439, 439, 439,
+      439, 439, 439, 439, 439,   2,   4, 439, 439, 439,
+      439, 439,   8,   6,   3, 439, 439, 439, 439, 439,
+      439, 439, 439, 439, 439, 439, 439, 439, 439, 439,
+      439, 439, 439, 439, 439, 439, 439, 439, 439, 439,
+      439, 439, 439, 439, 439, 439, 439, 439, 439, 439,
+      439, 439, 439, 439, 439, 439, 439,   7,  63,  53,
+        2,   4,  32, 110,  88,  78,  90,  68,  47, 108,
+       10,  73,  81, 124,   3,   1,   4,  77, 116,  88,
+       15,  96,  45,   5, 439, 439, 439, 439, 439, 439,
+      439, 439, 439, 439, 439, 439, 439, 439, 439, 439,
+      439, 439, 439, 439, 439, 439, 439, 439, 439, 439,
+      439, 439, 439, 439, 439, 439, 439, 439, 439, 439,
+      439, 439, 439, 439, 439, 439, 439, 439, 439, 439,
+      439, 439, 439, 439, 439, 439, 439, 439, 439, 439,
+      439, 439, 439, 439, 439, 439, 439, 439, 439, 439,
+      439, 439, 439, 439, 439, 439, 439, 439, 439, 439,
+      439, 439, 439, 439, 439, 439, 439, 439, 439, 439,
+      439, 439, 439, 439, 439, 439, 439, 439, 439, 439,
+      439, 439, 439, 439, 439, 439, 439, 439, 439, 439,
+      439, 439, 439, 439, 439, 439, 439, 439, 439, 439,
+      439, 439, 439, 439, 439, 439, 439, 439, 439, 439,
+      439, 439, 439, 439, 439, 439, 439
+    };
+  register int hval = len;
+
+  switch (hval)
+    {
+      default:
+        hval += asso_values[(unsigned char)str[3]];
+      /*FALLTHROUGH*/
+      case 3:
+        hval += asso_values[(unsigned char)str[2]];
+      /*FALLTHROUGH*/
+      case 2:
+        hval += asso_values[(unsigned char)str[1]];
+      /*FALLTHROUGH*/
+      case 1:
+        hval += asso_values[(unsigned char)str[0]+1];
+        break;
+    }
+  return hval + asso_values[(unsigned char)str[len - 1]];
+}
+
+struct stringpool_t
+  {
+    char stringpool_str5[sizeof("r")];
+    char stringpool_str6[sizeof("s")];
+    char stringpool_str7[sizeof("d")];
+    char stringpool_str14[sizeof("cst")];
+    char stringpool_str15[sizeof("cdt")];
+    char stringpool_str16[sizeof("sst")];
+    char stringpool_str17[sizeof("cet")];
+    char stringpool_str18[sizeof("msd")];
+    char stringpool_str19[sizeof("cest")];
+    char stringpool_str20[sizeof("cat")];
+    char stringpool_str22[sizeof("mst")];
+    char stringpool_str23[sizeof("mdt")];
+    char stringpool_str24[sizeof("sast")];
+    char stringpool_str25[sizeof("met")];
+    char stringpool_str27[sizeof("mest")];
+    char stringpool_str30[sizeof("wet")];
+    char stringpool_str31[sizeof("dateline")];
+    char stringpool_str32[sizeof("west")];
+    char stringpool_str33[sizeof("wat")];
+    char stringpool_str35[sizeof("wast")];
+    char stringpool_str36[sizeof("wadt")];
+    char stringpool_str37[sizeof("e")];
+    char stringpool_str38[sizeof("central europe")];
+    char stringpool_str39[sizeof("central asia")];
+    char stringpool_str40[sizeof("west asia")];
+    char stringpool_str41[sizeof("cen. australia")];
+    char stringpool_str42[sizeof("central america")];
+    char stringpool_str44[sizeof("est")];
+    char stringpool_str45[sizeof("edt")];
+    char stringpool_str46[sizeof("central european")];
+    char stringpool_str47[sizeof("eet")];
+    char stringpool_str48[sizeof("se asia")];
+    char stringpool_str49[sizeof("eest")];
+    char stringpool_str50[sizeof("eat")];
+    char stringpool_str51[sizeof("z")];
+    char stringpool_str52[sizeof("east")];
+    char stringpool_str53[sizeof("eadt")];
+    char stringpool_str54[sizeof("sa eastern")];
+    char stringpool_str55[sizeof("w. europe")];
+    char stringpool_str56[sizeof("c")];
+    char stringpool_str57[sizeof("yst")];
+    char stringpool_str58[sizeof("ydt")];
+    char stringpool_str59[sizeof("kst")];
+    char stringpool_str60[sizeof("clt")];
+    char stringpool_str61[sizeof("eastern")];
+    char stringpool_str62[sizeof("clst")];
+    char stringpool_str63[sizeof("bt")];
+    char stringpool_str64[sizeof("w. australia")];
+    char stringpool_str65[sizeof("bst")];
+    char stringpool_str66[sizeof("cct")];
+    char stringpool_str67[sizeof("brt")];
+    char stringpool_str69[sizeof("brst")];
+    char stringpool_str71[sizeof("a")];
+    char stringpool_str72[sizeof("e. europe")];
+    char stringpool_str73[sizeof("at")];
+    char stringpool_str74[sizeof("central")];
+    char stringpool_str75[sizeof("ast")];
+    char stringpool_str76[sizeof("adt")];
+    char stringpool_str77[sizeof("art")];
+    char stringpool_str78[sizeof("e. africa")];
+    char stringpool_str79[sizeof("e. south america")];
+    char stringpool_str80[sizeof("jst")];
+    char stringpool_str81[sizeof("e. australia")];
+    char stringpool_str82[sizeof("t")];
+    char stringpool_str83[sizeof("nt")];
+    char stringpool_str84[sizeof("n")];
+    char stringpool_str85[sizeof("nst")];
+    char stringpool_str86[sizeof("ndt")];
+    char stringpool_str87[sizeof("canada central")];
+    char stringpool_str88[sizeof("central pacific")];
+    char stringpool_str89[sizeof("west pacific")];
+    char stringpool_str90[sizeof("hst")];
+    char stringpool_str91[sizeof("hdt")];
+    char stringpool_str93[sizeof("malay peninsula")];
+    char stringpool_str95[sizeof("zp6")];
+    char stringpool_str97[sizeof("russian")];
+    char stringpool_str98[sizeof("hast")];
+    char stringpool_str99[sizeof("hadt")];
+    char stringpool_str100[sizeof("gst")];
+    char stringpool_str101[sizeof("zp5")];
+    char stringpool_str102[sizeof("ist")];
+    char stringpool_str103[sizeof("swt")];
+    char stringpool_str104[sizeof("w")];
+    char stringpool_str105[sizeof("zp4")];
+    char stringpool_str107[sizeof("mez")];
+    char stringpool_str108[sizeof("cape verde")];
+    char stringpool_str109[sizeof("mesz")];
+    char stringpool_str110[sizeof("greenland")];
+    char stringpool_str112[sizeof("x")];
+    char stringpool_str114[sizeof("mewt")];
+    char stringpool_str115[sizeof("w. central africa")];
+    char stringpool_str116[sizeof("k")];
+    char stringpool_str117[sizeof("b")];
+    char stringpool_str119[sizeof("m")];
+    char stringpool_str120[sizeof("sri lanka")];
+    char stringpool_str122[sizeof("fst")];
+    char stringpool_str124[sizeof("iran")];
+    char stringpool_str125[sizeof("sgt")];
+    char stringpool_str126[sizeof("ut")];
+    char stringpool_str128[sizeof("q")];
+    char stringpool_str129[sizeof("nzt")];
+    char stringpool_str131[sizeof("nzst")];
+    char stringpool_str132[sizeof("nzdt")];
+    char stringpool_str133[sizeof("myanmar")];
+    char stringpool_str135[sizeof("alaskan")];
+    char stringpool_str136[sizeof("pst")];
+    char stringpool_str137[sizeof("pdt")];
+    char stringpool_str138[sizeof("sa western")];
+    char stringpool_str139[sizeof("korea")];
+    char stringpool_str142[sizeof("y")];
+    char stringpool_str143[sizeof("f")];
+    char stringpool_str144[sizeof("akst")];
+    char stringpool_str145[sizeof("akdt")];
+    char stringpool_str148[sizeof("caucasus")];
+    char stringpool_str150[sizeof("msk")];
+    char stringpool_str151[sizeof("idle")];
+    char stringpool_str153[sizeof("arabian")];
+    char stringpool_str155[sizeof("o")];
+    char stringpool_str156[sizeof("l")];
+    char stringpool_str157[sizeof("mid-atlantic")];
+    char stringpool_str160[sizeof("us eastern")];
+    char stringpool_str164[sizeof("ahst")];
+    char stringpool_str167[sizeof("h")];
+    char stringpool_str168[sizeof("fle")];
+    char stringpool_str169[sizeof("i")];
+    char stringpool_str170[sizeof("north asia")];
+    char stringpool_str171[sizeof("n. central asia")];
+    char stringpool_str172[sizeof("north asia east")];
+    char stringpool_str174[sizeof("sa pacific")];
+    char stringpool_str177[sizeof("south africa")];
+    char stringpool_str181[sizeof("aus eastern")];
+    char stringpool_str182[sizeof("atlantic")];
+    char stringpool_str186[sizeof("mexico")];
+    char stringpool_str188[sizeof("mountain")];
+    char stringpool_str190[sizeof("china")];
+    char stringpool_str191[sizeof("azores")];
+    char stringpool_str192[sizeof("india")];
+    char stringpool_str194[sizeof("u")];
+    char stringpool_str195[sizeof("arabic")];
+    char stringpool_str196[sizeof("greenwich")];
+    char stringpool_str197[sizeof("new zealand")];
+    char stringpool_str198[sizeof("hawaiian")];
+    char stringpool_str199[sizeof("g")];
+    char stringpool_str200[sizeof("romance")];
+    char stringpool_str203[sizeof("arab")];
+    char stringpool_str204[sizeof("samoa")];
+    char stringpool_str205[sizeof("v")];
+    char stringpool_str206[sizeof("p")];
+    char stringpool_str207[sizeof("gmt")];
+    char stringpool_str208[sizeof("tasmania")];
+    char stringpool_str209[sizeof("fwt")];
+    char stringpool_str211[sizeof("newfoundland")];
+    char stringpool_str217[sizeof("nepal")];
+    char stringpool_str218[sizeof("aus central")];
+    char stringpool_str221[sizeof("gtb")];
+    char stringpool_str223[sizeof("vladivostok")];
+    char stringpool_str229[sizeof("utc")];
+    char stringpool_str233[sizeof("ekaterinburg")];
+    char stringpool_str265[sizeof("us mountain")];
+    char stringpool_str269[sizeof("jerusalem")];
+    char stringpool_str272[sizeof("yakutsk")];
+    char stringpool_str279[sizeof("pacific sa")];
+    char stringpool_str282[sizeof("tonga")];
+    char stringpool_str314[sizeof("afghanistan")];
+    char stringpool_str319[sizeof("idlw")];
+    char stringpool_str322[sizeof("pacific")];
+    char stringpool_str327[sizeof("taipei")];
+    char stringpool_str328[sizeof("egypt")];
+    char stringpool_str392[sizeof("tokyo")];
+    char stringpool_str438[sizeof("fiji")];
+  };
+static const struct stringpool_t stringpool_contents =
+  {
+    "r",
+    "s",
+    "d",
+    "cst",
+    "cdt",
+    "sst",
+    "cet",
+    "msd",
+    "cest",
+    "cat",
+    "mst",
+    "mdt",
+    "sast",
+    "met",
+    "mest",
+    "wet",
+    "dateline",
+    "west",
+    "wat",
+    "wast",
+    "wadt",
+    "e",
+    "central europe",
+    "central asia",
+    "west asia",
+    "cen. australia",
+    "central america",
+    "est",
+    "edt",
+    "central european",
+    "eet",
+    "se asia",
+    "eest",
+    "eat",
+    "z",
+    "east",
+    "eadt",
+    "sa eastern",
+    "w. europe",
+    "c",
+    "yst",
+    "ydt",
+    "kst",
+    "clt",
+    "eastern",
+    "clst",
+    "bt",
+    "w. australia",
+    "bst",
+    "cct",
+    "brt",
+    "brst",
+    "a",
+    "e. europe",
+    "at",
+    "central",
+    "ast",
+    "adt",
+    "art",
+    "e. africa",
+    "e. south america",
+    "jst",
+    "e. australia",
+    "t",
+    "nt",
+    "n",
+    "nst",
+    "ndt",
+    "canada central",
+    "central pacific",
+    "west pacific",
+    "hst",
+    "hdt",
+    "malay peninsula",
+    "zp6",
+    "russian",
+    "hast",
+    "hadt",
+    "gst",
+    "zp5",
+    "ist",
+    "swt",
+    "w",
+    "zp4",
+    "mez",
+    "cape verde",
+    "mesz",
+    "greenland",
+    "x",
+    "mewt",
+    "w. central africa",
+    "k",
+    "b",
+    "m",
+    "sri lanka",
+    "fst",
+    "iran",
+    "sgt",
+    "ut",
+    "q",
+    "nzt",
+    "nzst",
+    "nzdt",
+    "myanmar",
+    "alaskan",
+    "pst",
+    "pdt",
+    "sa western",
+    "korea",
+    "y",
+    "f",
+    "akst",
+    "akdt",
+    "caucasus",
+    "msk",
+    "idle",
+    "arabian",
+    "o",
+    "l",
+    "mid-atlantic",
+    "us eastern",
+    "ahst",
+    "h",
+    "fle",
+    "i",
+    "north asia",
+    "n. central asia",
+    "north asia east",
+    "sa pacific",
+    "south africa",
+    "aus eastern",
+    "atlantic",
+    "mexico",
+    "mountain",
+    "china",
+    "azores",
+    "india",
+    "u",
+    "arabic",
+    "greenwich",
+    "new zealand",
+    "hawaiian",
+    "g",
+    "romance",
+    "arab",
+    "samoa",
+    "v",
+    "p",
+    "gmt",
+    "tasmania",
+    "fwt",
+    "newfoundland",
+    "nepal",
+    "aus central",
+    "gtb",
+    "vladivostok",
+    "utc",
+    "ekaterinburg",
+    "us mountain",
+    "jerusalem",
+    "yakutsk",
+    "pacific sa",
+    "tonga",
+    "afghanistan",
+    "idlw",
+    "pacific",
+    "taipei",
+    "egypt",
+    "tokyo",
+    "fiji"
+  };
+#define stringpool ((const char *) &stringpool_contents)
+#ifdef __GNUC__
+__inline
+#if defined __GNUC_STDC_INLINE__ || defined __GNUC_GNU_INLINE__
+__attribute__ ((__gnu_inline__))
+#endif
+#endif
+const struct zone *
+zonetab (str, len)
+     register const char *str;
+     register unsigned int len;
+{
+  enum
+    {
+      TOTAL_KEYWORDS = 170,
+      MIN_WORD_LENGTH = 1,
+      MAX_WORD_LENGTH = 17,
+      MIN_HASH_VALUE = 5,
+      MAX_HASH_VALUE = 438
+    };
+
+  static const struct zone wordlist[] =
+    {
+      {-1}, {-1}, {-1}, {-1}, {-1},
+#line 37 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str5),   -5*3600},
+#line 38 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str6),   -6*3600},
+#line 24 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str7),    4*3600},
+      {-1}, {-1}, {-1}, {-1}, {-1}, {-1},
+#line 15 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str14), -6*3600},
+#line 16 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str15), -5*3600},
+#line 85 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str16),  2*3600},
+#line 71 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str17),  1*3600},
+#line 90 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str18),  4*3600},
+#line 79 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str19), 2*3600},
+#line 65 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str20),-10*3600},
+      {-1},
+#line 17 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str22), -7*3600},
+#line 18 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str23), -6*3600},
+#line 84 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str24), 2*3600},
+#line 73 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str25),  1*3600},
+      {-1},
+#line 82 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str27), 2*3600},
+      {-1}, {-1},
+#line 47 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str30),  0*3600},
+#line 128 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str31),               -43200},
+#line 78 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str32), 1*3600},
+#line 77 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str33),  1*3600},
+      {-1},
+#line 95 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str35), 7*3600},
+#line 98 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str36), 8*3600},
+#line 25 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str37),    5*3600},
+#line 123 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str38),           3600},
+#line 122 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str39),            21600},
+#line 178 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str40),               18000},
+#line 120 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str41),          34200},
+#line 121 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str42),        -21600},
+      {-1},
+#line 13 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str44), -5*3600},
+#line 14 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str45), -4*3600},
+#line 124 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str46),         3600},
+#line 80 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str47),  2*3600},
+#line 164 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str48),                 25200},
+#line 88 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str49), 3*3600},
+#line 87 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str50),  3*3600},
+#line 45 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str51),    0*3600},
+#line 101 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str52),10*3600},
+#line 103 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str53),11*3600},
+#line 160 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str54),             -10800},
+#line 177 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str55),                3600},
+#line 23 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str56),    3*3600},
+#line 63 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str57), -9*3600},
+#line 59 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str58), -8*3600},
+#line 100 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str59),  9*3600},
+#line 57 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str60), -4*3600},
+#line 133 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str61),                -18000},
+#line 54 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str62),-3*3600},
+#line 86 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str63),   3*3600},
+#line 175 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str64),            28800},
+#line 70 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str65),  1*3600},
+#line 96 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str66),  8*3600},
+#line 53 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str67), -3*3600},
+      {-1},
+#line 49 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str69),-2*3600},
+      {-1},
+#line 21 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str71),    1*3600},
+#line 131 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str72),                7200},
+#line 48 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str73),  -2*3600},
+#line 126 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str74),                -21600},
+#line 56 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str75), -4*3600},
+#line 52 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str76), -3*3600},
+#line 51 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str77), -3*3600},
+#line 129 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str78),               10800},
+#line 132 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str79),       -10800},
+#line 99 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str80),  9*3600},
+#line 130 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str81),            36000},
+#line 39 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str82),   -7*3600},
+#line 68 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str83),  -11*3600},
+#line 33 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str84),   -1*3600},
+#line 55 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str85), -(3*3600+1800)},
+#line 50 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str86), -(2*3600+1800)},
+#line 117 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str87),         -21600},
+#line 125 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str88),         39600},
+#line 179 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str89),            36000},
+#line 67 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str90),-10*3600},
+#line 62 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str91), -9*3600},
+      {-1},
+#line 165 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str93),         28800},
+      {-1},
+#line 94 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str95),  6*3600},
+      {-1},
+#line 159 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str97),                 10800},
+#line 66 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str98),-10*3600},
+#line 61 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str99),-9*3600},
+#line 102 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str100), 10*3600},
+#line 92 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str101),  5*3600},
+#line 93 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str102),  (5*3600+1800)},
+#line 76 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str103),  1*3600},
+#line 42 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str104),  -10*3600},
+#line 91 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str105),  4*3600},
+      {-1},
+#line 75 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str107),  1*3600},
+#line 118 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str108),              -3600},
+#line 83 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str109), 2*3600},
+#line 138 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str110),              -10800},
+      {-1},
+#line 43 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str112),  -11*3600},
+      {-1},
+#line 74 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str114), 1*3600},
+#line 176 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str115),        3600},
+#line 30 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str116),   10*3600},
+#line 22 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str117),    2*3600},
+      {-1},
+#line 32 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str119),   12*3600},
+#line 167 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str120),               21600},
+      {-1},
+#line 81 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str122),  2*3600},
+      {-1},
+#line 143 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str124),                    12600},
+#line 97 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str125),  8*3600},
+#line 11 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str126),   0*3600},
+      {-1},
+#line 36 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str128),   -4*3600},
+#line 106 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str129), 12*3600},
+      {-1},
+#line 105 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str131),12*3600},
+#line 107 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str132),13*3600},
+#line 149 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str133),                 23400},
+      {-1},
+#line 109 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str135),                -32400},
+#line 19 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str136), -8*3600},
+#line 20 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str137), -7*3600},
+#line 162 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str138),             -14400},
+#line 145 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str139),                   32400},
+      {-1}, {-1},
+#line 44 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str142),  -12*3600},
+#line 26 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str143),    6*3600},
+#line 60 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str144),-9*3600},
+#line 58 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str145),-8*3600},
+      {-1}, {-1},
+#line 119 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str148),                14400},
+      {-1},
+#line 89 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str150),  3*3600},
+#line 104 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str151),12*3600},
+      {-1},
+#line 111 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str153),                 14400},
+      {-1},
+#line 34 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str155),   -2*3600},
+#line 31 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str156),   11*3600},
+#line 147 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str157),            -7200},
+      {-1}, {-1},
+#line 172 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str160),             -18000},
+      {-1}, {-1}, {-1},
+#line 64 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str164),-10*3600},
+      {-1}, {-1},
+#line 28 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str167),    8*3600},
+#line 137 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str168),                      7200},
+#line 29 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str169),    9*3600},
+#line 155 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str170),              25200},
+#line 150 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str171),         21600},
+#line 154 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str172),         28800},
+      {-1},
+#line 161 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str174),             -18000},
+      {-1}, {-1},
+#line 166 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str177),             7200},
+      {-1}, {-1}, {-1},
+#line 115 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str181),             36000},
+#line 113 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str182),               -14400},
+      {-1}, {-1}, {-1},
+#line 146 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str186),                 -21600},
+      {-1},
+#line 148 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str188),               -25200},
+      {-1},
+#line 127 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str190),                   28800},
+#line 116 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str191),                  -3600},
+#line 142 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str192),                   19800},
+      {-1},
+#line 40 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str194),   -8*3600},
+#line 112 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str195),                  10800},
+#line 139 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str196),                   0},
+#line 152 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str197),             43200},
+#line 141 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str198),               -36000},
+#line 27 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str199),    7*3600},
+#line 158 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str200),                  3600},
+      {-1}, {-1},
+#line 110 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str203),                    10800},
+#line 163 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str204),                  -39600},
+#line 41 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str205),   -9*3600},
+#line 35 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str206),   -3*3600},
+#line 12 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str207),  0*3600},
+#line 169 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str208),                36000},
+#line 72 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str209),  1*3600},
+      {-1},
+#line 153 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str211),           -12600},
+      {-1}, {-1}, {-1}, {-1}, {-1},
+#line 151 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str217),                   20700},
+#line 114 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str218),             34200},
+      {-1}, {-1},
+#line 140 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str221),                      7200},
+      {-1},
+#line 174 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str223),             36000},
+      {-1}, {-1}, {-1}, {-1}, {-1},
+#line 46 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str229),  0*3600},
+      {-1}, {-1}, {-1},
+#line 135 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str233),            18000},
+      {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1},
+      {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1},
+      {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1},
+      {-1}, {-1}, {-1}, {-1},
+#line 173 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str265),            -25200},
+      {-1}, {-1}, {-1},
+#line 144 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str269),                7200},
+      {-1}, {-1},
+#line 180 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str272),                 32400},
+      {-1}, {-1}, {-1}, {-1}, {-1}, {-1},
+#line 156 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str279),             -14400},
+      {-1}, {-1},
+#line 171 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str282),                   46800},
+      {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1},
+      {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1},
+      {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1},
+      {-1}, {-1}, {-1}, {-1},
+#line 108 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str314),             16200},
+      {-1}, {-1}, {-1}, {-1},
+#line 69 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str319),-12*3600},
+      {-1}, {-1},
+#line 157 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str322),                -28800},
+      {-1}, {-1}, {-1}, {-1},
+#line 168 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str327),                  28800},
+#line 134 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str328),                    7200},
+      {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1},
+      {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1},
+      {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1},
+      {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1},
+      {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1},
+      {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1},
+      {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1},
+#line 170 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str392),                   32400},
+      {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1},
+      {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1},
+      {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1},
+      {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1},
+      {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1},
+#line 136 "zonetab.list"
+      {offsetof(struct stringpool_t, stringpool_str438),                    43200}
+    };
+
+  if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
+    {
+      register int key = hash (str, len);
+
+      if (key <= MAX_HASH_VALUE && key >= 0)
+        {
+          register int o = wordlist[key].name;
+          if (o >= 0)
+            {
+              register const char *s = o + stringpool;
+
+              if (*str == *s && !strcmp (str + 1, s + 1))
+                return &wordlist[key];
+            }
+        }
+    }
+  return 0;
+}
+#line 181 "zonetab.list"
+
diff --git a/ext/date/zonetab.list b/ext/date/zonetab.list
new file mode 100644
index 0000000000..1a233071be
--- /dev/null
+++ b/ext/date/zonetab.list
@@ -0,0 +1,181 @@
+%{
+struct zone {
+    int name;
+    int offset;
+};
+static inline const struct zone *zonetab();
+%}
+
+struct zone;
+%%
+ut,   0*3600
+gmt,  0*3600
+est, -5*3600
+edt, -4*3600
+cst, -6*3600
+cdt, -5*3600
+mst, -7*3600
+mdt, -6*3600
+pst, -8*3600
+pdt, -7*3600
+a,    1*3600
+b,    2*3600
+c,    3*3600
+d,    4*3600
+e,    5*3600
+f,    6*3600
+g,    7*3600
+h,    8*3600
+i,    9*3600
+k,   10*3600
+l,   11*3600
+m,   12*3600
+n,   -1*3600
+o,   -2*3600
+p,   -3*3600
+q,   -4*3600
+r,   -5*3600
+s,   -6*3600
+t,   -7*3600
+u,   -8*3600
+v,   -9*3600
+w,  -10*3600
+x,  -11*3600
+y,  -12*3600
+z,    0*3600
+utc,  0*3600
+wet,  0*3600
+at,  -2*3600
+brst,-2*3600
+ndt, -(2*3600+1800)
+art, -3*3600
+adt, -3*3600
+brt, -3*3600
+clst,-3*3600
+nst, -(3*3600+1800)
+ast, -4*3600
+clt, -4*3600
+akdt,-8*3600
+ydt, -8*3600
+akst,-9*3600
+hadt,-9*3600
+hdt, -9*3600
+yst, -9*3600
+ahst,-10*3600
+cat,-10*3600
+hast,-10*3600
+hst,-10*3600
+nt,  -11*3600
+idlw,-12*3600
+bst,  1*3600
+cet,  1*3600
+fwt,  1*3600
+met,  1*3600
+mewt, 1*3600
+mez,  1*3600
+swt,  1*3600
+wat,  1*3600
+west, 1*3600
+cest, 2*3600
+eet,  2*3600
+fst,  2*3600
+mest, 2*3600
+mesz, 2*3600
+sast, 2*3600
+sst,  2*3600
+bt,   3*3600
+eat,  3*3600
+eest, 3*3600
+msk,  3*3600
+msd,  4*3600
+zp4,  4*3600
+zp5,  5*3600
+ist,  (5*3600+1800)
+zp6,  6*3600
+wast, 7*3600
+cct,  8*3600
+sgt,  8*3600
+wadt, 8*3600
+jst,  9*3600
+kst,  9*3600
+east,10*3600
+gst, 10*3600
+eadt,11*3600
+idle,12*3600
+nzst,12*3600
+nzt, 12*3600
+nzdt,13*3600
+afghanistan,             16200
+alaskan,                -32400
+arab,                    10800
+arabian,                 14400
+arabic,                  10800
+atlantic,               -14400
+aus central,             34200
+aus eastern,             36000
+azores,                  -3600
+canada central,         -21600
+cape verde,              -3600
+caucasus,                14400
+cen. australia,          34200
+central america,        -21600
+central asia,            21600
+central europe,           3600
+central european,         3600
+central pacific,         39600
+central,                -21600
+china,                   28800
+dateline,               -43200
+e. africa,               10800
+e. australia,            36000
+e. europe,                7200
+e. south america,       -10800
+eastern,                -18000
+egypt,                    7200
+ekaterinburg,            18000
+fiji,                    43200
+fle,                      7200
+greenland,              -10800
+greenwich,                   0
+gtb,                      7200
+hawaiian,               -36000
+india,                   19800
+iran,                    12600
+jerusalem,                7200
+korea,                   32400
+mexico,                 -21600
+mid-atlantic,            -7200
+mountain,               -25200
+myanmar,                 23400
+n. central asia,         21600
+nepal,                   20700
+new zealand,             43200
+newfoundland,           -12600
+north asia east,         28800
+north asia,              25200
+pacific sa,             -14400
+pacific,                -28800
+romance,                  3600
+russian,                 10800
+sa eastern,             -10800
+sa pacific,             -18000
+sa western,             -14400
+samoa,                  -39600
+se asia,                 25200
+malay peninsula,         28800
+south africa,             7200
+sri lanka,               21600
+taipei,                  28800
+tasmania,                36000
+tokyo,                   32400
+tonga,                   46800
+us eastern,             -18000
+us mountain,            -25200
+vladivostok,             36000
+w. australia,            28800
+w. central africa,        3600
+w. europe,                3600
+west asia,               18000
+west pacific,            36000
+yakutsk,                 32400
+%%