Issue #6851 has been updated by usa (Usaku NAKAMURA).

Status changed from Feedback to Assigned

Oops...

[Bug #5819] said that File.stat for empty root directory fails.
Of course it was a bug.
"C:/..." problem is an unexpected side effect.
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Bug #6851: Result of File.stat("c:/...") is different from 1.9.3
https://bugs.ruby-lang.org/issues/6851#change-28847

Author: phasis68 (Heesob Park)
Status: Assigned
Priority: Normal
Assignee: usa (Usaku NAKAMURA)
Category: core
Target version: 2.0.0
ruby -v: ruby 2.0.0dev (2012-08-10 trunk 36676) [i386-mswin32_100]


What is the correct result of File.stat("c:/...") on Windows?

File#stat for path like "c:/..." succeeds on trunk 36676.

C:\>ruby -ve 'p File.stat("c:/...")'
ruby 2.0.0dev (2012-08-10 trunk 36676) [i386-mswin32_100]
#<File::Stat dev=0x2, ino=0, mode=040755, nlink=1, uid=0, gid=0, rdev=0x2, size=
0, blksize=nil, blocks=nil, atime=2012-08-10 14:53:27 +0900, mtime=2012-08-10 09
:40:33 +0900, ctime=2011-04-08 19:43:44 +0900>

C:\>ruby -ve 'p File.stat("c:/....")'
ruby 2.0.0dev (2012-08-10 trunk 36676) [i386-mswin32_100]
#<File::Stat dev=0x2, ino=0, mode=040755, nlink=1, uid=0, gid=0, rdev=0x2, size=
0, blksize=nil, blocks=nil, atime=2012-08-10 14:53:32 +0900, mtime=2012-08-10 09
:40:33 +0900, ctime=2011-04-08 19:43:44 +0900>

C:\>ruby -ve 'p File.stat("c:/..../..")'
ruby 2.0.0dev (2012-08-10 trunk 36676) [i386-mswin32_100]
#<File::Stat dev=0x2, ino=0, mode=040755, nlink=1, uid=0, gid=0, rdev=0x2, size=
0, blksize=nil, blocks=nil, atime=2012-08-10 14:53:45 +0900, mtime=2012-08-10 09
:40:33 +0900, ctime=2011-04-08 19:43:44 +0900>

But, File#stat raises exception on Ruby 1.9.3.

C:\Ruby193\bin>ruby -ve 'p File.stat("c:/...")
ruby 1.9.3p194 (2012-04-20 revision 35410) [i386-mingw32]
-e:1:in `stat': Invalid argument - c:/... (Errno::EINVAL)
        from -e:1:in `<main>'

C:\Ruby193\bin>ruby -ve 'p File.stat("c:/....")
ruby 1.9.3p194 (2012-04-20 revision 35410) [i386-mingw32]
-e:1:in `stat': No such file or directory - c:/.... (Errno::ENOENT)
        from -e:1:in `<main>'



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