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Handle error when PyUnicode_GetLength returns a negative value. (GH-28859)

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(cherry picked from commit 560a79f94e)

Co-authored-by: Dong-hee Na <donghee.na@python.org>
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Miss Islington (bot) 2021-10-11 04:40:57 -07:00 • committed by GitHub
parent ac421c348b
commit 7d1ae89b84
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Python/importdl.c
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@ -42,6 +42,9 @@ get_encoded_name(PyObject *name, const char **hook_prefix) {
/* Get the short name (substring after last dot) */ /* Get the short name (substring after last dot) */
name_len = PyUnicode_GetLength(name); name_len = PyUnicode_GetLength(name);
if (name_len < 0) {
return NULL;
}
lastdot = PyUnicode_FindChar(name, '.', 0, name_len, -1); lastdot = PyUnicode_FindChar(name, '.', 0, name_len, -1);
if (lastdot < -1) { if (lastdot < -1) {
return NULL; return NULL;