Re: [PATCH 2.6]: IPv6: strcpy -> strlcpy

[YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@xxxxxxxxxxxxxx>]

In article <20031128.092326.39861126.yoshfuji@xxxxxxxxxxxxxx> (at Fri, 28 Nov 
2003 09:23:26 +0900 (JST)), YOSHIFUJI Hideaki / 吉藤英明 
<yoshfuji@xxxxxxxxxxxxxx> says:

>  2)   memset(dst, 0, len);
>       strncpy(dst, src, len);

oops, this should be

        memset(dst, 0, len);
        if (len > 0)
          strncpy(dst, src, len - 1);


>  3)   if (len)
>          strncpy(dst, src, len - 1);
>       dst[len] = 0;
> 
> (or, say, strncpy0()).

Note: in this case, we need to fix strncpy() first 
to zero-out rest of destination buffer.

--yoshfuji