Re: Usage of strncpy in the kernel

To: NetBSD Kernel Technical Discussion List <tech-kern%NetBSD.org@localhost>
Subject: Re: Usage of strncpy in the kernel
From: Mouse <mouse%Rodents-Montreal.ORG@localhost>
Date: Mon, 6 Jan 2025 15:23:45 -0500 (EST)

> All strlcpy() does extra is guarantee NUL-termination,

Extra?  Over strcpy and strncpy?

No, that's not all.  It also fills the rest, if any, of the destination
space with more NULs.  (This can be useful to, for example, prevent
leaking kernel stack trash to userland.)

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