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-rw-r--r--src/big5.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/src/big5.c b/src/big5.c
index 79ae1e3..faff845 100644
--- a/src/big5.c
+++ b/src/big5.c
@@ -2,7 +2,7 @@
big5.c - Oniguruma (regular expression library)
**********************************************************************/
/*-
- * Copyright (c) 2002-2019 K.Kosako
+ * Copyright (c) 2002-2020 K.Kosako
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -58,8 +58,15 @@ static int
big5_code_to_mbclen(OnigCodePoint code)
{
if ((code & (~0xffff)) != 0) return ONIGERR_INVALID_CODE_POINT_VALUE;
- if ((code & 0xff00) != 0) return 2;
- if (EncLen_BIG5[(int )(code & 0xff)] == 1) return 1;
+
+ if ((code & 0xff00) != 0) {
+ if (EncLen_BIG5[(int )(code >> 8) & 0xff] == 2)
+ return 2;
+ }
+ else {
+ if (EncLen_BIG5[(int )(code & 0xff)] == 1)
+ return 1;
+ }
return ONIGERR_INVALID_CODE_POINT_VALUE;
}