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Date:	Sat, 18 Apr 2015 16:47:09 +0200
From:	David Macek <david DOT macek DOT 0 AT gmail DOT com>
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To:	cygwin AT cygwin DOT com
Subject:	Documentation on fstab out of date
X-IsSubscribed:	yes

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Content-Type: text/plain; charset=utf-8
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Hi. It seems to me that <https://cygwin.com/cygwin-ug-net/using.html#mount-=
table> is out of sync with actual Cygwin behaviour in few aspects. What's t=
he established process on updating these docs? List of issues I found follo=
ws.

> Recognized options are binary, text, nouser, user, exec, notexec, cygexec=
, nosuid, posix=3D[0|1]. The meaning of the options is as follows.

There are more options, as can be seen below the cited paragraph.

> Files ending in certain extensions (.exe, .com, .bat, .btm, .cmd) are ass=
umed to be executable.

My reading of fhandler_disk_file.cc suggests it's only .exe, .com, and .lnk=
 these days.

Interestingly, nt_path_has_executable_suffix (only used in the rename sysca=
ll, AFAICT) looks for a different set of suffixes (.com, .dll, .exe, .scr, =
.sys).

> Files whose first two characters begin with '#!' are also considered to b=
e executable.

According to has_exec_chars, the sniffing routine also looks for "MZ" (EXE/=
PE files) and ":\n" (batch files? (can anyone confirm this?)).

--=20
David Macek


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