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| subject: | Ignoring case |
On the 03-18-95, Jonathan de Boyne Pollard was chatting with Jon Guthrie:
JP> > >> What possible difference could that make? Even in
routines such as
JP> > >> C's stricmp() "ignoring case" is generally
performed by converting
JP> > >> both compared characters to uppercase for the duration of the
JP> > >> compare.
JP> >
JP> > > John is implying that there's not necessarily a
one-to-one mapping
JP> > > between lower and upper case in all character sets.
JP> >
JP> > The normal way of handling that case is to not map the
JP> > characters that have
JP> > no other-case equivalent.
JP>
JP> Consider the Greek alphabet.
There's a 'Dos' API that should be used in this situation, it ensures you
get the correct corresponding uppercase characters for the specified
country and codepage.
usRc = DosCaseMap( usLenStr,
&ctrycCountryInfo,
pszAnyStr);
Cheers, Ian.
Internet:itimms{at}ariel.ucs.unimelb.edu.au CIS:100236,1404 [Team OS/2]
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