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(pathchk invocation): Overall lengths are

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OS limits, not file system limits.  Component length checks
apply to all components, not merely to existing ones.  Say
that nonexistent names are not errors.  For -p, omit all
checks based on the underlying file system, not merely length
checks.  Explain what the portabile file name character set is.
This commit is contained in:
Paul Eggert
2004-10-18 06:29:51 +00:00
parent 586910ff61
commit 91b17c0c82
1 changed files with 15 additions and 10 deletions
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25
doc/coreutils.texi
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@@ -10161,19 +10161,22 @@ pathchk [@var{option}]@dots{} @var{name}@dots{}
For each @var{name}, @command{pathchk} prints a message if any of
these conditions is true:
@enumerate
@item
one of the existing directories in @var{name} does not have search
One of the existing directories in @var{name} does not have search
(execute) permission,
@item
the length of @var{name} is larger than its file system's maximum
file name length,
The length of @var{name} is larger than the maximum supported by the
operating system.
@item
the length of one component of @var{name}, corresponding to an
existing directory name, is larger than its file system's maximum
length for a file name component.
The length of one component of @var{name} is longer than
its file system's maximum.
@end enumerate
A nonexistent @var{name} is not an error, so long a file with that
name could be created under the above conditions.
The program accepts the following option. Also see @ref{Common options}.
@table @samp
@@ -10182,10 +10185,12 @@ The program accepts the following option. Also see @ref{Common options}.
@itemx --portability
@opindex -p
@opindex --portability
Instead of performing length checks on the underlying file system,
test the length of each file name and its components against the
Do not perform checks based on the underlying file system. Instead,
check the length of each file name and its components against the
@acronym{POSIX} minimum limits for portability. Also check that the file
name contains no characters not in the portable file name character set.
name contains only characters that are in the portable file name
character set, namely, the ASCII letters and digits, @samp{-},
@samp{.}, @samp{/}, and @samp{_}.
@end table
@@ -10193,7 +10198,7 @@ name contains no characters not in the portable file name character set.
Exit status:
@display
0 if all specified file names passed all of the tests,
0 if all specified file names passed all checks,
1 otherwise.
@end display