From f427625f5314299f906a2a239891064de9d21d2a Mon Sep 17 00:00:00 2001
From: Zufu Liu <unknown>
Date: Sat, 3 Jul 2021 15:24:23 +1000
Subject: Feature [feature-requests:#1408] Merge branches for setting
 representations for invalid single bytes in multi-byte encodings.

---
 src/DBCS.cxx | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src/DBCS.cxx')

diff --git a/src/DBCS.cxx b/src/DBCS.cxx
index 0af6fc6eb..e3ae3d75f 100644
--- a/src/DBCS.cxx
+++ b/src/DBCS.cxx
@@ -39,4 +39,16 @@ bool DBCSIsLeadByte(int codePage, char ch) noexcept {
 	return false;
 }
 
+bool IsDBCSValidSingleByte(int codePage, int ch) noexcept {
+	switch (codePage) {
+	case 932:
+		return ch == 0x80
+			|| (ch >= 0xA0 && ch <= 0xDF)
+			|| (ch >= 0xFD);
+
+	default:
+		return false;
+	}
+}
+
 }
-- 
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