zlib.c: check EOF

* ext/zlib/zlib.c (gzfile_read, gzfile_read_all, gzfile_getc),
  (gzreader_gets): check EOF.  [ruby-core:55220] [Bug #8467]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41014 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 6 insertions, 0 deletions

diff --git a/test/zlib/test_zlib.rb b/test/zlib/test_zlib.rb
index 6e21f6d271..81d440f846 100644
--- a/test/zlib/test_zlib.rb
+++ b/test/zlib/test_zlib.rb
@@ -685,6 +685,7 @@ if defined? Zlib
     end
 
     def test_rewind
+      bug8467 = '[ruby-core:55220] [Bug #8467]'
       Tempfile.create("test_zlib_gzip_reader_rewind") {|t|
         t.close
         Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo") }
@@ -694,6 +695,11 @@ if defined? Zlib
           f.rewind
           assert_equal("foo", f.read)
         end
+        open(t.path, "rb") do |f|
+          gz = Zlib::GzipReader.new(f)
+          gz.rewind
+          assert_equal(["foo"], gz.to_a, bug8467)
+        end
       }
     end