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* lib/fileutils.rb (module FileUtils): repatch [ruby-core:39622]

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[Feature #5337]. improve performance of FileUtils.compare_stream.
  [ruby-core:47545] [Feature #7028]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37465 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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glass 2012-11-04 02:56:11 +00:00
parent a28a060db4
commit 2142287c86
2 changed files with 13 additions and 10 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
Sun Nov 4 11:47:39 2012 Masaki Matsushita <glass.saga@gmail.com>
* lib/fileutils.rb (module FileUtils): repatch [ruby-core:39622]
[Feature #5337]. improve performance of FileUtils.compare_stream.
[ruby-core:47545] [Feature #7028]
Sun Nov 4 11:27:54 2012 Masaki Matsushita <glass.saga@gmail.com> Sun Nov 4 11:27:54 2012 Masaki Matsushita <glass.saga@gmail.com>
* array.c (recursive_equal): fix to return true when self and other * array.c (recursive_equal): fix to return true when self and other

17
lib/fileutils.rb
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@ -894,16 +894,13 @@ public
# #
def compare_stream(a, b) def compare_stream(a, b)
bsize = fu_stream_blksize(a, b) bsize = fu_stream_blksize(a, b)
sa = sb = nil sa = ""
while sa == sb sb = ""
sa = a.read(bsize) begin
sb = b.read(bsize) a.read(bsize, sa)
unless sa and sb b.read(bsize, sb)
if sa.nil? and sb.nil? return true if sa.empty? && sb.empty?
return true end while sa == sb
end
end
end
false false
end end