Create PyUnicode_strdup() function
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 95823ad..80e2e63 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -10014,6 +10014,28 @@
return NULL;
}
+Py_UNICODE*
+PyUnicode_strdup(PyObject *object)
+{
+ PyUnicodeObject *unicode = (PyUnicodeObject *)object;
+ Py_UNICODE *copy;
+ Py_ssize_t size;
+
+ /* Ensure we won't overflow the size. */
+ if (PyUnicode_GET_SIZE(unicode) > ((PY_SSIZE_T_MAX / sizeof(Py_UNICODE)) - 1)) {
+ PyErr_NoMemory();
+ return NULL;
+ }
+ size = PyUnicode_GET_SIZE(unicode) + 1; /* copy the nul character */
+ size *= sizeof(Py_UNICODE);
+ copy = PyMem_Malloc(size);
+ if (copy == NULL) {
+ PyErr_NoMemory();
+ return NULL;
+ }
+ memcpy(copy, PyUnicode_AS_UNICODE(unicode), size);
+ return copy;
+}
#ifdef __cplusplus
}