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Date: | Fri, 13 Jul 2007 10:27:03 -0400 |
From: | Christopher Faylor <cgf-use-the-mailinglist-please AT cygwin DOT com> |
To: | cygwin AT cygwin DOT com |
Subject: | Re: if [ -w branching: how to spot a locked USB stick |
Message-ID: | <20070713142703.GC13962@ednor.casa.cgf.cx> |
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On Fri, Jul 13, 2007 at 04:15:26PM +0200, Corinna Vinschen wrote: >On Jul 13 08:00, Eric Blake wrote: >> According to Corinna Vinschen on 7/13/2007 7:06 AM: >> >> Actually, this is a cygwin question. Bash's [ command only reports what >> >> access("/h",W_OK) tells it to report, >> > >> > It's the latter. The fact that the USB stick is locked doesn't >> > mean that the permission bits returned by the OS calls are augmented >> > to reflect the fact that the stick is not writable. All permission >> > bits are still intact. Only when actually trying to write to the device, >> > you'll get the Win32 error message equivalent of EROFS. >> >> But POSIX requires access(...,W_OK) to fail with EROFS on a read-only file >> system. Is there any way for cygwin to easily determine this without >> actually attempting a write? > >Not that I'm aware of. I added this to my TODO list. However, as >usual, http://cygwin.com/acronyms/#PTC. Why do I see another bullet item for the "Why is cygwin so slow" discussion here? cgf -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
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