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Date:	Tue, 23 Jan 2018 15:36:45 -0800 (PST)
From:	Steven Penny <svnpenn AT gmail DOT com>
X-Google-Original-From:	Steven Penny
Subject:	Re: Ejecting a USB drive using Cygwin (sync)?
To:	cygwin AT cygwin DOT com
References:	<ca5d930a-326c-51a2-c82b-db8efcb0a2bc AT SystematicSw DOT ab DOT ca>
User-Agent:	Tryst/2.1.0 (github.com/svnpenn/tryst)

On Tue, 23 Jan 2018 14:13:24, Brian Inglis wrote:
> I found the following utility works well without elevation - Windows code from
> http://www.leapsecond.com/tools/eject.{c,exe}:
> 
> // eject -- Allow safe removal of USB thumb drive.
> // - Command line tool to flush/dismount/eject USB drive.
> // - Simpler than mouse clicking through taskbar "Safely Remove Hardware" icon.
> // - Usable in batch file scripts.
> // 02-Nov-2012 Tom Van Baak (tvb) www.LeapSecond.com/tools
> ...
> // Per MSDN, follow procedure for safe removal of USB drive.
> int drive_eject (char *drive)
> {
>     HANDLE hDev;
>     // Convert vintage DOS drive letter to weird Windows object pathname.
>     char path[10];
>     sprintf(path, "\\\\.\\%s", drive);
>     // Open (with write, but no lock) to flush pending writes.
>     DEV_OPEN(path, GENERIC_READ | GENERIC_WRITE);
>     FlushFileBuffers(hDev);
>     CloseHandle(hDev);
>     // Open (with read, and lock) to dismount and eject.
>     DEV_OPEN(path, GENERIC_READ);
>     DEV_IOCTL(FSCTL_LOCK_VOLUME);
>     DEV_IOCTL(FSCTL_DISMOUNT_VOLUME);
>     DEV_IOCTL(IOCTL_STORAGE_EJECT_MEDIA);
>     DEV_IOCTL(FSCTL_UNLOCK_VOLUME);
>     CloseHandle(hDev);
>     return 0;
> }

No, this is not the code from that site. The code is similar, but I see you have
at least removed some empty lines. If you are going to do so, you need to
clearly present said changes to the community - something like "adapted from
http://..." or "modified from http://...", etc.

Software copyright - even open source license is serious, and you should give it
due respect.


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