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-rw-r--r--lib/rubygems/package/tar_reader.rb14
1 files changed, 7 insertions, 7 deletions
diff --git a/lib/rubygems/package/tar_reader.rb b/lib/rubygems/package/tar_reader.rb
index 8359399207..4aa9c26cc9 100644
--- a/lib/rubygems/package/tar_reader.rb
+++ b/lib/rubygems/package/tar_reader.rb
@@ -46,17 +46,17 @@ class Gem::Package::TarReader
yield entry
skip = (512 - (size % 512)) % 512
+ pending = size - entry.bytes_read
- if @io.respond_to? :seek then
+ begin
# avoid reading...
- @io.seek(size - entry.bytes_read, IO::SEEK_CUR)
- else
- pending = size - entry.bytes_read
-
+ @io.seek pending, IO::SEEK_CUR
+ pending = 0
+ rescue Errno::EINVAL, NameError
while pending > 0 do
- bread = @io.read([pending, 4096].min).size
+ bytes_read = @io.read([pending, 4096].min).size
raise UnexpectedEOF if @io.eof?
- pending -= bread
+ pending -= bytes_read
end
end