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Fix IO#scanf on pipes on Windows #4

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Merged
merged 1 commit into from
Jun 25, 2019
Merged

Fix IO#scanf on pipes on Windows #4

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2 changes: 1 addition & 1 deletion lib/scanf.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -660,7 +660,7 @@ def scanf(str,&b) #:yield: current_match

begin
seek(start_position + matched_so_far, IO::SEEK_SET)
rescue Errno::ESPIPE
rescue Errno::ESPIPE, Errno::EINVAL
end

soak_up_spaces if fstr.last_spec && fstr.space
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7 changes: 7 additions & 0 deletions test/scanf/test_scanfio.rb
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Expand Up @@ -17,5 +17,12 @@ def test_io
ensure
fh.close
end

def test_pipe_scanf
r, w = IO.pipe
w.write('a')
w.close
assert_equal([], r.scanf('a'))
end
end