scanf(3) patch for C99-conformant FP parsing
ache at nagual.pp.ru
Tue Jun 24 05:42:38 PDT 2003
On Tue, Jun 24, 2003 at 04:44:18 -0700, David Schultz wrote:
> Outstanding issues:
> - I'm not sure that it's okay to use isdigit(3) and
> friends in sprintf(). The standard seems to imply that
> it would be okay if every digit in the C locale were
> also a digit in all other locales.
isdigit() always for 0..9 only, isxdigit() is a like, don't know, what
you mean by 'friends'.
> + } else if (!isalnum(c) && c != '_')
F.e. isalnum() you should use with care, it may hit national characters.
BTW, in all cases calling is*() macros on char may have side effects, you
need to promote argument to (unsigned char) first.
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