[bug #32449] function return value clamped to 0 or 1

[Josh Triplett]

URL:
  <http://savannah.gnu.org/bugs/?32449>

                 Summary: function return value clamped to 0 or 1
                 Project: GNU GRUB
            Submitted by: joshtriplett
            Submitted on: Sat 12 Feb 2011 11:14:40 PM PST
                Category: None
                Severity: Major
                Priority: 5 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 
                 Release: Bazaar - trunk
         Reproducibility: Every Time
         Planned Release: None

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Details:

Originally reported as http://bugs.debian.org/612992


The grub manual says that the return statement will use its argument as
the exit code of the function.  However, all non-zero exit codes seem to
get clamped to 1:

grub> function f { return 0 ; } ; f ; echo $?
0
grub> function f { return 1 ; } ; f ; echo $?
1
grub> function f { return 2 ; } ; f ; echo $?
1
grub> function f { return 42 ; } ; f ; echo $?
1





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