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Check whether the strlen() result overflows Py_ssize_t.

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Walter Dörwald 2007-05-06 10:00:02 +00:00
parent 9bc47120d3
commit a14c4bbbaa
1 changed files with 5 additions and 1 deletions
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6
Objects/unicodeobject.c
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@ -396,7 +396,11 @@ PyObject *PyUnicode_FromUnicode(const Py_UNICODE *u,
PyObject *PyUnicode_FromString(const char *u)
{
PyUnicodeObject *unicode;
Py_ssize_t size = strlen(u);
size_t size = strlen(u);
if (size > PY_SSIZE_T_MAX) {
PyErr_SetString(PyExc_OverflowError, "input too long");
return NULL;
}
/* If the Unicode data is known at construction time, we can apply
some optimizations which share commonly used objects. */