The link you added has changed a lot, but due to the feats of git the following will do for what you initially suggested.
https://github.com/systemd/systemd/blob/61ee6939819963b7845c101485e188ca2a8119c6/src/basic/util.c#L1871
The link you added has changed a lot, but due to the feats of git the following will do for what you initially suggested.
https:/ /github. com/systemd/ systemd/ blob/61ee693981 9963b7845c10148 5e188ca2a8119c6 /src/basic/ util.c# L1871