From a686d047d79bdfc37c096a4fa350c37e4ccf3cf5 Mon Sep 17 00:00:00 2001
From: Jakob Kaivo <jkk@ung.org>
Date: Mon, 3 Jun 2024 13:56:25 -0400
Subject: add LC_CTYPE epoch and use separate CT_ categories and CTM_ masks to
 support detecting change of LC_CTYPE between calls to wctype()/iswctype() and
 wctrans()/towctrans()

---
 src/wctype/wctype.c | 25 +++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)

(limited to 'src/wctype/wctype.c')

diff --git a/src/wctype/wctype.c b/src/wctype/wctype.c
index 2dd4599f..cf82c4ed 100644
--- a/src/wctype/wctype.c
+++ b/src/wctype/wctype.c
@@ -7,31 +7,32 @@ wctype_t wctype(const char * property)
 {
 	SIGNAL_SAFE(0);
 	ASSERT_NONNULL(property);
+	wctype_t epoch = ((__get_locale()->ctype_epoch) << CT_EPOCH_SHIFT);
 
 	if (!strcmp(property, "alnum")) {
-		return CT_ALPHA | CT_DIGIT;
+		return epoch | CT_ALNUM;
 	} else if (!strcmp(property, "alpha")) {
-		return CT_ALPHA;
+		return epoch | CT_ALPHA;
 	} else if (!strcmp(property, "blank")) {
-		return CT_BLANK;
+		return epoch | CT_BLANK;
 	} else if (!strcmp(property, "cntrl")) {
-		return CT_CNTRL;
+		return epoch | CT_CNTRL;
 	} else if (!strcmp(property, "digit")) {
-		return CT_DIGIT;
+		return epoch | CT_DIGIT;
 	} else if (!strcmp(property, "graph")) {
-		return CT_GRAPH;
+		return epoch | CT_GRAPH;
 	} else if (!strcmp(property, "lower")) {
-		return CT_LOWER;
+		return epoch | CT_LOWER;
 	} else if (!strcmp(property, "print")) {
-		return CT_PRINT;
+		return epoch | CT_PRINT;
 	} else if (!strcmp(property, "punct")) {
-		return CT_PUNCT;
+		return epoch | CT_PUNCT;
 	} else if (!strcmp(property, "space")) {
-		return CT_SPACE;
+		return epoch | CT_SPACE;
 	} else if (!strcmp(property, "upper")) {
-		return CT_UPPER;
+		return epoch | CT_UPPER;
 	} else if (!strcmp(property, "xdigit")) {
-		return CT_XDIGIT;
+		return epoch | CT_XDIGIT;
 	}
 
 	return 0;
-- 
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