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Subject: [Bug 191540] the FAT32 implementation bugs out on Unicode file names
Date: Tue, 01 Jul 2014 22:18:19 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D191540

--- Comment #2 from dt71@gmx.com ---
To reproduce:

Create and mount a FAT32 partition:
# dd if=3D/dev/zero of=3Dspace bs=3D1m count=3D4
# mdconfig -a -u 7 -t vnode -f space
# newfs_msdos -F 32 /dev/md7
# mkdir fat
# mount -t msdosfs /dev/md7 fat

Attempt to create files with fancy names on the partition:
# cd fat
# tar -vxf ../files.zip
The output is:
x 1=E2=80=99.txt: Can't create '1=E2=80=99.txt'
x 2=E2=80=93.txt: Can't create '2=E2=80=93.txt'

Other file access can also be attempted, eg.:
(The "=E2=80=93" is a Unicode "en dash".)
# stat =E2=80=93
The output is:
stat: =E2=80=93: stat: Invalid argument

Clean up (optional):
# cd ..
# umount fat
# rmdir fat
# mdconfig -d -u 7
# rm space

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