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RE: [Patch] RE: Windows drive letter check fails on lower case current working drive

From: Bert Huijben <bert_at_qqmail.nl>
Date: Wed, 20 Jan 2010 11:31:15 +0100

> -----Original Message-----
> From: Branko Čibej [mailto:brane_at_xbc.nu]
> Sent: woensdag 20 januari 2010 10:17
> To: William A. Rowe Jr.
> Cc: Bert Huijben; dev_at_apr.apache.org; 'Philip Martin'; 'Bert Huijben';
> dev_at_subversion.apache.org
> Subject: Re: [Patch] RE: Windows drive letter check fails on lower case
> current working drive
>
> William A. Rowe Jr. wrote:
> > On 1/19/2010 5:19 AM, Bert Huijben wrote:
> >
> >> The patch was written on the 1.4.x branch but I svn switch'ed it to trunk
> for easy application.
> >>
> >
> > I would suggest one bit of alternate code that is a bit more condensed, any
> > concern?;
> >
> > +static int same_drive(const char *path1, const char *path2)
> > +{
> > + if ((path1[0] < 'A' || (path1[0] > 'Z' && path1[0] < 'a') || path1[0] > 'Z')
> > + || (path2[0] < 'A' || (path2[0] > 'Z' && path2[0] < 'a') || path2[0] > 'Z')
> > + || path1[1] != ':' || path2[1] != ':')
> > + return 0;
> >
> > + /* Once in the domain of ASCII alpha, compare these case insensitive */
> > + return ((path1[0] & 0x1f) == (path2[0] & 0x1f));
> > +}
> >
> Whatever you do, those last Z's should be z's or it all breaks.

No, problem... I initially wrote a more condensed form myself and just made it a bit more readable later.

But please fix that 'Z' ;)

Thanks,
        Bert
Received on 2010-01-20 11:31:53 CET

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