On 2010-10-15, Seebs <usenet-nos...@seebs.net> wrote:
> On 2010-10-15, Grant Edwards <inva...@invalid.invalid> wrote:
>> On 2010-10-15, Steven D'Aprano <st...@remove-this-cybersource.com.au> wrote:
>>> In the Unix world, which includes OS X, text tools tend to have
>>> difficulty with tabs. Or try naming a file with a newline or carriage
>>> return in the file name, or a NULL byte.
>
>> How do you create a file with a name that contains a NULL byte?
>
> So far as I know, in canonical Unix, you don't -- the syscalls all work
> with something like C strings under the hood, meaning that no matter what
> path name you send, the first null byte actually terminates it.
Yes, all of the Unix syscalls use NULL-terminated path parameters (AKA
"C strings"). What I don't know is whether the underlying filesystem
code also uses NULL-terminated strings for filenames or if they have
explicit lengths. If the latter, there might be some way to bypass
the normal Unix syscalls and actually create a file with a NULL in its
name -- a file that then couldn't be accessed via the normal Unix
system calls. My _guess_ is that the underlying filesystem code in
most all Unices also uses NULL-terminated strings, but I haven't
looked yet.
--
Grant Edwards grant.b.edwards Yow! What UNIVERSE is this,
at please??
gmail.com
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