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Date:	Fri, 9 Oct 2009 06:44:19 +0100
Message-ID:	<416096c60910082244k388e8861v84ec7846ecbf9e0a@mail.gmail.com>
Subject:	Re: Segfault under cygwin 1.7.62
From:	Andy Koppe <andy DOT koppe AT gmail DOT com>
To:	cygwin AT cygwin DOT com
Cc:	"Stephen J. Turnbull" <stephen AT xemacs DOT org>,
	XEmacs developers <xemacs-beta AT xemacs DOT org>
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2009/10/9 Vin Shelton:
>>  > #9  0x0056d4d7 in qxe_realpath (path=3D0x22248c "",
>>  >     resolved_path=3D0x22651c
>>  > "c:/cygwin/tmp/s360339.aoa/\201=C3=90\201=C3=90\201=C3=90\201=C3=9002=
ABFx",
>>  >     links_only=3D0) at

>>  > #8  0x0056cd68 in readlink_or_correct_case (name=3D<value optimized o=
ut>,
>>  >     buf=3D0x21e464
>>  > "/tmp/s360339.aoa/\201=C3=AF\217=C2=A3\217=C2=B0\201=C3=AF\217=C2=A3\=
217=C2=B0\201=C3=AF\217=C2=A3\217=C2=B0\201=C3=AF\217=C2=A3\217=C2=B002ABFx=
",

This one looks completely unrelated to the one above.

>>  > #3  0x005151bc in Lstream_really_write (lstr=3D0x176ea00,
>>  >     data=3D0x148d0c0
>>  > "c;C:\\cygwin\\cygwin\\tmp\\s360339.aoa\\=C3=AF\202\201=C3=90\201=C3=
=90\201=C3=90\201=C3=AF\203\22002ABFxi-string)g)=C3=80=C3=A2w\001\200=C3=91=
H\001=C3=82\200\t",

>> and it changes back to something similar but not identical to the
>> original.  Note the "=C3=AF\202" that got inserted somehow.

>> The original
>> stuff at frame #9 is Mule internal coding, but this is not.
>
> are these changes in filename a result of changes in 1.7.62?

What change exactly? What's the original filename here, and how does
it change unexpectedly in terms of POSIX/Cygwin operations? And,
importantly, what's the locale setting?

In a UTF-8 locale at least, there doesn't appear to be a problem with
filename transparency here:

$ echo bla >$'\201=C3=90\201=C3=90\201=C3=90\201=C3=9002ABFx'
$ ls --quoting-style=3Descape
\201=C3=90\201=C3=90\201=C3=90\201=C3=9002ABFx
$ cat $'\201=C3=90\201=C3=90\201=C3=90\201=C3=9002ABFx'
bla
$ rm $'\201=C3=90\201=C3=90\201=C3=90\201=C3=9002ABFx'

Andy

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