On Sat, Jun 19, 2004 at 02:16:40PM +0100, Martin Michlmayr wrote:
> * Patrick Caulfield <[EMAIL PROTECTED]> [2004-06-19 14:14]:
> > Allowable characters are: alphanumerics and . _ - +
>
> What about stuff like umlauts? (e.g. ä) [sorry, cannot test right
> now]
>
Ah, well, that depends on the current locale. LVM uses the C function isalnum()
to check the characters (with explicit checks for the extras mentioned above).
The man page for isalpha (a subset of isalnum) says this:
" checks for an alphabetic character; in the standard "C" locale,
it is equivalent to (isupper(c) || islower(c)). In some
locales, there may be additional characters for which isalpha()
is true--letters which are neither upper case nor lower case. "
and:
" The details of what characters belong into which class depend on the
current locale. For example, isupper() will not recognize an A -
umlaut as an uppercase letter in the default C locale. "
There is a potential danger here, I think, that a VG created in one locale
will not be valid in another.
--
patrick
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