Mail Archives: cygwin/2001/07/10/17:26:57
On Tue, Jul 10, 2001 at 01:20:40PM -0700, Michael Eager wrote:
> One of the systems that I've checked has both FAT32 and NTFS drives.
> The problem occurs when referencing either drive, either by default
> (i.e., cd to a directory on the drive), or explicitly.
That's not the problem. It's definitely the usage of the colon and
the slash which are not allowed in filenames other than as drive/stream
separator resp. path separator. This is documented in MSDN as well.
And it actually already leads to confusion in Cygwin.
Corinna
> Randall R Schulz wrote:
> >
> > Michael,
> >
> > You didn't say whether you're using NTFS, but if so, the : at the end might
> > be tripping up either Cygwin or, conceivable, Windows. The name you gave
> > takes the form of a file stream (and independent sub-file, a kind of
> > generalized file "fork" if you're familiar with the Macintosh file
> > systems). This is the case owing to the presence of the colon with more
> > than one character to its left.
> >
> > I tend to doubt the slash is allowable after the colon, but I'm not sure.
> >
> > It's not that I think access() should return true for this name, but just
> > that I wanted to point out the possibility that you're hitting something
> > relatively obscure. As I said, it's only supported in NTFS, not in FAT file
> > systems.
> >
> > Randall Schulz
> > Mountain View, CA USA
> >
> > At 09:39 2001-07-10, Michael Eager wrote:
> > >Using the most recent version of Cygwin.
> > >
> > >The access function return success when given a long string argument
> > >which does not represent a valid file. There is some sensitivity to the
> > >characters in the string. Removing the colon (and perhaps some other
> > >characters) in the example program below gives correct results.
> > >
> > >Anyone know of a fix?
> > >
> > >===================================
> > >
> > >#include <stdio.h>
> > >#include <unistd.h>
> > >
> > >char name[] =
> > > "aaaaaaaaaabbbbbbbbbbccccccccccddddddddddeeeeeeeeeeffffffffffgggggggggghhh"
> > > "hhhhhhhiiiiiiiiiijjjjjjjjjjkkkkkkkkkkkllllllllllmmmmmmmmmmnnnnnnnnnnooooo"
> > > "oooooppppppppppqqqqqqqqqqrrrrrrrrrrssssssssssttttttttttuuuuuuuuuuvvvvvvvv"
> > > "vvwwwwwwwwwwxxxxxxxxxxyyyyyyyyyyzzzzzzzzzz01234567890:/";
> > >
> > >int main()
> > >{
> > > if (access (name, R_OK) == 0)
> > > printf ("%s is readable\n", name);
> > > else
> > > printf ("%s is NOT readable\n", name);
> > >
> > > return 0;
> > >}
> > >
> > >
> > >--
> > >Michael Eager Eager Consulting eager AT eagercon DOT com
> > >1960 Park Blvd., Palo Alto, CA 94306 650-325-8077
>
> --
> Michael Eager eager AT mvista DOT com 408-328-8426
> MontaVista Software, Inc. 1237 E. Arques Ave., Sunnyvale, CA 94085
>
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--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Developer mailto:cygwin AT cygwin DOT com
Red Hat, Inc.
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