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authorWonsup Yoon <pusnow@me.com>2018-06-15 12:03:14 (GMT)
committerXiang Zhang <angwerzx@126.com>2018-06-15 12:03:14 (GMT)
commitd134809cd3764c6a634eab7bb8995e3e2eff14d5 (patch)
tree6bcc3ec615c093c71b96ce1ce52594bacdc75466 /Modules
parentceeef10cdbc08561f9954e13bbed1cb2299a8c72 (diff)
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bpo-29456: Fix bugs in unicodedata.normalize: u1176, u11a7 and u11c3 (GH-1958)
Hangul composition check boundaries are wrong for the second character ([0x1161, 0x1176) instead of [0x1161, 0x1176]) and third character ((0x11A7, 0x11C3) instead of [0x11A7, 0x11C3]).
Diffstat (limited to 'Modules')
-rw-r--r--Modules/unicodedata.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/Modules/unicodedata.c b/Modules/unicodedata.c
index 7a9a964..e8788f5 100644
--- a/Modules/unicodedata.c
+++ b/Modules/unicodedata.c
@@ -681,15 +681,19 @@ nfc_nfkc(PyObject *self, PyObject *input, int k)
if (LBase <= code && code < (LBase+LCount) &&
i + 1 < len &&
VBase <= PyUnicode_READ(kind, data, i+1) &&
- PyUnicode_READ(kind, data, i+1) <= (VBase+VCount)) {
+ PyUnicode_READ(kind, data, i+1) < (VBase+VCount)) {
+ /* check L character is a modern leading consonant (0x1100 ~ 0x1112)
+ and V character is a modern vowel (0x1161 ~ 0x1175). */
int LIndex, VIndex;
LIndex = code - LBase;
VIndex = PyUnicode_READ(kind, data, i+1) - VBase;
code = SBase + (LIndex*VCount+VIndex)*TCount;
i+=2;
if (i < len &&
- TBase <= PyUnicode_READ(kind, data, i) &&
- PyUnicode_READ(kind, data, i) <= (TBase+TCount)) {
+ TBase < PyUnicode_READ(kind, data, i) &&
+ PyUnicode_READ(kind, data, i) < (TBase+TCount)) {
+ /* check T character is a modern trailing consonant
+ (0x11A8 ~ 0x11C2). */
code += PyUnicode_READ(kind, data, i)-TBase;
i++;
}