Re: Usage of strncpy in the kernel
Mouse <[email protected]>
| Newsgroups | gmane.os.netbsd.devel.kernel |
|---|---|
| Message-ID | <[email protected]> |
>> 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.) > That's what strncpy() does over and above what strlcpy() does. *blush* As if we needed more evidence that the issue confuses people! > Your idea about a wrapper to do the termination is interesting, but > it's not one defined by any existing standard, and as such in some > sense it actually hides the intention too much. No more so than various other NetBSD-specific idioms in the kernel. (As a personal example, I find the <sys/queue.h> macros a substantial impediment to understanding code - while admittedly I don't know whether they are shared with other OS projects, in my limited experience they are NetBSD-specific.) /~\ The ASCII Mouse \ / Ribbon Campaign X Against HTML [email protected] / \ Email! 7D C8 61 52 5D E7 2D 39 4E F1 31 3E E8 B3 27 4B