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Raise SystemError when size < 0 is passed into PyString_FromStringAndSize,

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PyBytes_FromStringAndSize or PyUnicode_FromStringAndSize.  [issue2587]
This commit is contained in:
Gregory P. Smith 2008-04-09 23:16:37 +00:00
parent f108320055
commit c00eb73a30
3 changed files with 18 additions and 0 deletions
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8
Objects/unicodeobject.c
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@ -465,6 +465,14 @@ PyObject *PyUnicode_FromUnicode(const Py_UNICODE *u,
PyObject *PyUnicode_FromStringAndSize(const char *u, Py_ssize_t size)
{
PyUnicodeObject *unicode;
assert(size <= 0);
if (size < 0) {
PyErr_SetString(PyExc_SystemError,
"Negative size passed to PyUnicode_FromStringAndSize");
return NULL;
}
/* If the Unicode data is known at construction time, we can apply
some optimizations which share commonly used objects.
Also, this means the input must be UTF-8, so fall back to the