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gh-129813, PEP 782: Use PyBytesWriter in socket and mmap (#138831)

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Replace PyBytes_FromStringAndSize(NULL, size) and _PyBytes_Resize()
with the new public PyBytesWriter API.
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Victor Stinner 2025-09-13 18:31:26 +02:00 • committed by GitHub
parent 06b7891f12
commit bb743b684b
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2 changed files with 14 additions and 13 deletions
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13
Modules/socketmodule.c
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@ -3467,7 +3467,6 @@ sock_getsockopt(PyObject *self, PyObject *args)
int level;
int optname;
int res;
PyObject *buf;
socklen_t buflen = 0;
int flag = 0;
socklen_t flagsize;
@ -3512,17 +3511,17 @@ sock_getsockopt(PyObject *self, PyObject *args)
"getsockopt buflen out of range");
return NULL;
}
buf = PyBytes_FromStringAndSize((char *)NULL, buflen);
if (buf == NULL)
PyBytesWriter *writer = PyBytesWriter_Create(buflen);
if (writer == NULL) {
return NULL;
}
res = getsockopt(get_sock_fd(s), level, optname,
(void *)PyBytes_AS_STRING(buf), &buflen);
PyBytesWriter_GetData(writer), &buflen);
if (res < 0) {
Py_DECREF(buf);
PyBytesWriter_Discard(writer);
return s->errorhandler();
}
_PyBytes_Resize(&buf, buflen);
return buf;
return PyBytesWriter_FinishWithSize(writer, buflen);
}
PyDoc_STRVAR(getsockopt_doc,