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| author | Martin v. Löwis <martin@v.loewis.de> | 2004-04-17 19:36:48 (GMT) |
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| committer | Martin v. Löwis <martin@v.loewis.de> | 2004-04-17 19:36:48 (GMT) |
| commit | 61e40bd897da8ab4bf2dffe817d0163e984c1e40 (patch) | |
| tree | c8500cc600b30c400873e3c6c0a838d43b9d83fd /Modules/unicodedata.c | |
| parent | e5fced781bbf892a498bd2422b49d9ac1a2d6352 (diff) | |
| download | cpython-61e40bd897da8ab4bf2dffe817d0163e984c1e40.zip cpython-61e40bd897da8ab4bf2dffe817d0163e984c1e40.tar.gz cpython-61e40bd897da8ab4bf2dffe817d0163e984c1e40.tar.bz2 | |
Special case normalization of empty strings. Fixes #924361.
Backported to 2.3.
Diffstat (limited to 'Modules/unicodedata.c')
| -rw-r--r-- | Modules/unicodedata.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Modules/unicodedata.c b/Modules/unicodedata.c index 311db29..ba218a3 100644 --- a/Modules/unicodedata.c +++ b/Modules/unicodedata.c @@ -515,6 +515,13 @@ unicodedata_normalize(PyObject *self, PyObject *args) &form, &PyUnicode_Type, &input)) return NULL; + if (PyUnicode_GetSize(input) == 0) { + /* Special case empty input strings, since resizing + them later would cause internal errors. */ + Py_INCREF(input); + return input; + } + if (strcmp(form, "NFC") == 0) return nfc_nfkc(input, 0); if (strcmp(form, "NFKC") == 0) |