Issue #12687: Fix a possible buffering bug when unpickling text mode (protocol 0, mostly) pickles.
diff --git a/Modules/_pickle.c b/Modules/_pickle.c
index 287f0a3..001360b 100644
--- a/Modules/_pickle.c
+++ b/Modules/_pickle.c
@@ -1034,9 +1034,8 @@
num_read = _Unpickler_ReadFromFile(self, READ_WHOLE_LINE);
if (num_read < 0)
return -1;
- *result = self->input_buffer;
self->next_read_idx = num_read;
- return num_read;
+ return _Unpickler_CopyLine(self, self->input_buffer, num_read, result);
}
/* If we get here, we've run off the end of the input string. Return the