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Issue #7649: Fix u'%c' % char for character in range 0x80..0xFF

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=> raise an UnicodeDecodeError. Patch written by Ezio Melotti.
This commit is contained in:
Victor Stinner 2010-02-23 23:16:07 +00:00
parent ea370a9edd
commit f20f9c299e
3 changed files with 26 additions and 2 deletions
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10
Objects/unicodeobject.c
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@ -8170,6 +8170,7 @@ formatchar(Py_UNICODE *buf,
size_t buflen,
PyObject *v)
{
PyObject *s;
/* presume that the buffer is at least 2 characters long */
if (PyUnicode_Check(v)) {
if (PyUnicode_GET_SIZE(v) != 1)
@ -8180,7 +8181,14 @@ formatchar(Py_UNICODE *buf,
else if (PyString_Check(v)) {
if (PyString_GET_SIZE(v) != 1)
goto onError;
buf[0] = (Py_UNICODE)PyString_AS_STRING(v)[0];
/* #7649: if the char is a non-ascii (i.e. in range(0x80,0x100)) byte
string, "u'%c' % char" should fail with a UnicodeDecodeError */
s = PyUnicode_FromStringAndSize(PyString_AS_STRING(v), 1);
/* if the char is not decodable return -1 */
if (s == NULL)
return -1;
buf[0] = PyUnicode_AS_UNICODE(s)[0];
Py_DECREF(s);
}
else {