* lib/pp.rb (File::Stat#pretty_print): Etc.getpwuid and Etc.getgrgid

  may return nil.  [ruby-talk:129826]
  reported by Daniel Berger.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@8083 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 8 insertions, 4 deletions

diff --git a/lib/pp.rb b/lib/pp.rb
index 756dce6f51..7cbbd8a0c0 100644
--- a/lib/pp.rb
+++ b/lib/pp.rb
@@ -407,19 +407,23 @@ class File
         q.group {
           q.text "uid="; q.pp self.uid
           begin
-            name = Etc.getpwuid(self.uid).name
-            q.breakable; q.text "(#{name})"
+            pw = Etc.getpwuid(self.uid)
           rescue ArgumentError
           end
+          if pw
+            q.breakable; q.text "(#{pw.name})"
+          end
         }
         q.comma_breakable
         q.group {
           q.text "gid="; q.pp self.gid
           begin
-            name = Etc.getgrgid(self.gid).name
-            q.breakable; q.text "(#{name})"
+            gr = Etc.getgrgid(self.gid)
           rescue ArgumentError
           end
+          if gr
+            q.breakable; q.text "(#{gr.name})"
+          end
         }
         q.comma_breakable
         q.group {