renamed ruby_tz_update as ruby_tz_uptodate_p

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63997 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

hash.c

@@ -3316,7 +3316,7 @@ env_str_new2(const char *ptr)
 static int env_path_tainted(const char *);
 
 static const char TZ_ENV[] = "TZ";
-extern int ruby_tz_update;
+extern bool ruby_tz_uptodate_p;
 
 static rb_encoding *
 env_encoding_for(const char *name, const char *ptr)
@@ -3400,7 +3400,7 @@ env_delete(VALUE obj, VALUE name)
 	    path_tainted = 0;
 	}
 	else if (ENVMATCH(nam, TZ_ENV)) {
-	    ruby_tz_update = 0;
+	    ruby_tz_uptodate_p = FALSE;
 	}
 	return value;
     }
@@ -3762,7 +3762,7 @@ env_aset(VALUE obj, VALUE nm, VALUE val)
 	}
     }
     else if (ENVMATCH(name, TZ_ENV)) {
-	ruby_tz_update = 0;
+	ruby_tz_uptodate_p = FALSE;
     }
     return val;
 }

time.c

@@ -647,7 +647,7 @@ static struct vtm *localtimew(wideval_t timew, struct vtm *result);
 static int leap_year_p(long y);
 #define leap_year_v_p(y) leap_year_p(NUM2LONG(modv((y), INT2FIX(400))))
 
-int ruby_tz_update;
+bool ruby_tz_uptodate_p;
 
 static struct tm *
 rb_localtime_r(const time_t *t, struct tm *result)
@@ -655,8 +655,8 @@ rb_localtime_r(const time_t *t, struct tm *result)
 #if defined __APPLE__ && defined __LP64__
     if (*t != (time_t)(int)*t) return NULL;
 #endif
-    if (!ruby_tz_update) {
+    if (!ruby_tz_uptodate_p) {
-	ruby_tz_update = 1;
+	ruby_tz_uptodate_p = 1;
 	tzset();
     }
 #ifdef HAVE_GMTIME_R