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-rw-r--r--src/euc_tw.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/src/euc_tw.c b/src/euc_tw.c
index 8e72b97..99dc5ec 100644
--- a/src/euc_tw.c
+++ b/src/euc_tw.c
@@ -2,7 +2,7 @@
euc_tw.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
@@ -57,15 +57,22 @@ euctw_mbc_enc_len(const UChar* p)
static int
euctw_code_to_mbclen(OnigCodePoint code)
{
- if ((code & 0xff000000) != 0) return 4;
- else if ((code & 0xff0000) != 0) return ONIGERR_INVALID_CODE_POINT_VALUE;
- else if ((code & 0xff00) != 0) return 2;
+ if ((code & 0xff000000) != 0) {
+ if (EncLen_EUCTW[(int )(code >> 24) & 0xff] == 4)
+ return 4;
+ }
+ else if ((code & 0xff0000) != 0)
+ return ONIGERR_INVALID_CODE_POINT_VALUE;
+ else if ((code & 0xff00) != 0) {
+ if (EncLen_EUCTW[(int )(code >> 8) & 0xff] == 2)
+ return 2;
+ }
else {
if (EncLen_EUCTW[(int )(code & 0xff)] == 1)
return 1;
-
- return ONIGERR_INVALID_CODE_POINT_VALUE;
}
+
+ return ONIGERR_INVALID_CODE_POINT_VALUE;
}
static int