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From: Joshua Hudson <joshudson@gmail.com>
Date: Sun, 27 Mar 2022 20:53:52 -0700
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Subject: Report bug -- glibc
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pathconf("FAT mount point", _PC_LINK_MAX) returns 127 on linux!

I traced it through the source code and found it's returning from a
default: block on a switch statement so I can't even hardcode the
incorrect value to check for.