Re: [PATCH v3] btrfs: replace deprecated strcpy with strscpy

[Mark Harmstone]

On 20/06/2025 2.43 am, Brahmajit Das wrote:
> --- a/fs/btrfs/volumes.c
> +++ b/fs/btrfs/volumes.c
> @@ -215,7 +215,7 @@ void btrfs_describe_block_groups(u64 bg_flags, char *buf, u32 size_buf)
>   	u32 size_bp = size_buf;
>   
>   	if (!flags) {
> -		strcpy(bp, "NONE");
> +		memcpy(bp, "NONE", 5);
>   		return;
>   	}

There's still the problem here that you're hardcoding a magic number,
and that memcpy is no safer than strcpy.

If your aim is to get rid of strcpy entirely in the codebase, this is
more than likely impossible.