Date: Sat, 27 Aug 2022 09:03:23 +0000 From: "Piotr P. Stefaniak" <pstef@freebsd.org> To: Vladimir Kondratyev <wulf@freebsd.org> Cc: dev-commits-src-main@freebsd.org Subject: Re: git: 019391bf8527 - main - LinuxKPI: Implement strscpy Message-ID: <Ywnd29WzrEg85tUH@freefall.freebsd.org> In-Reply-To: <202107050023.1650Nmn3022660@gitrepo.freebsd.org> References: <202107050023.1650Nmn3022660@gitrepo.freebsd.org>
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On 2021-07-05 00:23:48, Vladimir Kondratyev wrote: >URL: https://cgit.FreeBSD.org/src/commit/?id=019391bf852771070cb739900f9e20ae6c41c746 > LinuxKPI: Implement strscpy > > strscpy copies the src string, or as much of it as fits, into the > dst buffer. The dst buffer is always NUL terminated, unless it's > zero-sized. strscpy returns the number of characters copied (not > including the trailing NUL) or -E2BIG if len is 0 or src was > truncated. > > Currently drm-kmod replaces strscpy with strncpy that is not quite > correct as strncpy does not NUL-terminate truncated strings and > returns different values on exit. Seems like an overall useful function, maybe it deserves wider availability via libc? Piotr
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