[Bug libc/2417] New: getcwd() uses ENAMETOOLONG instead of ERANGE

[Bug libc/2417] New: getcwd() uses ENAMETOOLONG instead of ERANGE

[aurelien at aurel32 dot net]

A call to getcwd() with a buffer smaller than the actual path returns an error
ENAMETOOLONG on all architectures but ia64, whereas POSIX and the *GNU libc
manual* say ERANGE. Actually this is the value returned by the kernel.

IMHO the kernel has to be fixed, but the GNU libc should also correct the
number. That's the purpose of the attached patch.

-- 
           Summary: getcwd() uses ENAMETOOLONG instead of ERANGE
           Product: glibc
           Version: 2.3.6
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
        AssignedTo: drepper at redhat dot com
        ReportedBy: aurelien at aurel32 dot net
                CC: glibc-bugs at sources dot redhat dot com
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu


http://sourceware.org/bugzilla/show_bug.cgi?id=2417

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[Bug libc/2417] getcwd() uses ENAMETOOLONG instead of ERANGE

[aurelien at aurel32 dot net]

------- Additional Comments From aurelien at aurel32 dot net  2006-03-05 16:54 -------
Created an attachment (id=902)
 --> (http://sourceware.org/bugzilla/attachment.cgi?id=902&action=view)
proposed patch


-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=2417

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[Bug libc/2417] getcwd() uses ENAMETOOLONG instead of ERANGE

[decimal at us dot ibm dot com]

------- Additional Comments From decimal at us dot ibm dot com  2006-03-10 17:12 -------
When you say "on all architectures but ia64" do you mean this is true for the
generic kernel or is this Debian specific? On OpenSUSE x86 10.0 I get ERANGE.

I do not see why glibc should put in a patch to work around a bug in the kernel.
This bug should be fixed in the kernel only. If glibc put in a workaround for
every simple kernel bug which code be fixed the code would quickly become
unmanageable.

-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=2417

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[Bug libc/2417] getcwd() uses ENAMETOOLONG instead of ERANGE

[decimal at us dot ibm dot com]

------- Additional Comments From decimal at us dot ibm dot com  2006-03-10 17:12 -------
s/code be fixed/could be fixed/

-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=2417

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[Bug libc/2417] getcwd() uses ENAMETOOLONG instead of ERANGE

[drepper at redhat dot com]

------- Additional Comments From drepper at redhat dot com  2006-04-01 20:57 -------
There is no problem in libc and I cannot see anything wrong in the current
kernel sources either.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |WONTFIX


http://sourceware.org/bugzilla/show_bug.cgi?id=2417

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