PATH_MAX

[Neal H Walfield]

This bug report was verified against v 2.0.11-11 as found in the Debian
unstable archive and the version marked as 2.0 on ftp.gnu.org.  I did
not see a cvs module on subversions.

Shell utils makes use of the macro PATH_MAX.  On the Hurd, this is
undefined.  Happily, shell utils handles this situation by using
pathconf, however, it does so incorrectly: pathconf returns -1 on the
Hurd.  By definition, this means that there is no system imposed limit
but shell utils chooses to use 1024 in this case.  This is clearly
a hack and is wrong.  Dynamic allocation checking for ENAMETOOLONG,
etc., should instead be performed.

Thanks.

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