From 744c3140595c34171553515e127d080634704db3 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 1 Apr 2019 05:21:36 +0000
Subject: date_parse.c: extract Japanese era initials

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67397 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/date/date_parse.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'ext/date')

diff --git a/ext/date/date_parse.c b/ext/date/date_parse.c
index 69ac37f0a3..c9f93074b9 100644
--- a/ext/date/date_parse.c
+++ b/ext/date/date_parse.c
@@ -1212,6 +1212,8 @@ parse_iso2(VALUE str, VALUE hash)
     return 1;
 }
 
+#define JAPANESE_ERA_INITIALS "mtshr"
+
 static int
 gengo(int c)
 {
@@ -1252,11 +1254,11 @@ parse_jis(VALUE str, VALUE hash)
 {
     static const char pat_source[] =
 #ifndef TIGHT_PARSER
-	"\\b([mtsh])(\\d+)\\.(\\d+)\\.(\\d+)"
+	"\\b([" JAPANESE_ERA_INITIALS "])(\\d+)\\.(\\d+)\\.(\\d+)"
 #else
 	BOS
 	FPW_COM FPT_COM
-	"([mtsh])(\\d+)\\.(\\d+)\\.(\\d+)"
+	"([" JAPANESE_ERA_INITIALS "])(\\d+)\\.(\\d+)\\.(\\d+)"
 	TEE_FPT COM_FPW
 	EOS
 #endif
@@ -2979,7 +2981,7 @@ static int
 jisx0301(VALUE str, VALUE hash)
 {
     static const char pat_source[] =
-	"\\A\\s*([mtsh])?(\\d{2})\\.(\\d{2})\\.(\\d{2})"
+	"\\A\\s*([" JAPANESE_ERA_INITIALS "])?(\\d{2})\\.(\\d{2})\\.(\\d{2})"
 	"(?:t"
 	"(?:(\\d{2}):(\\d{2})(?::(\\d{2})(?:[,.](\\d*))?)?"
 	"(z|[-+]\\d{2}(?::?\\d{2})?)?)?)?\\s*\\z";
-- 
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