diff options
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | ext/zlib/zlib.c | 5 | ||||
| -rw-r--r-- | test/zlib/test_zlib.rb | 8 |
3 files changed, 16 insertions, 1 deletions
@@ -1,3 +1,7 @@ +Sat Aug 7 00:50:01 2004 Tanaka Akira <akr@m17n.org> + + * ext/zlib/zlib.c: Zlib::GzipReader#read(0) returns "" instead of nil. + Mon Aug 3 13:49:12 2004 Hidetoshi NAGAI <nagai@ai.kyutech.ac.jp> * ext/tk/lib/tk/namespace.rb: bug fix diff --git a/ext/zlib/zlib.c b/ext/zlib/zlib.c index e665b7b6b2..c5e9e7437c 100644 --- a/ext/zlib/zlib.c +++ b/ext/zlib/zlib.c @@ -2075,7 +2075,10 @@ gzfile_read(gz, len) { VALUE dst; - if (len <= 0) return Qnil; + if (len < 0) + rb_raise(rb_eArgError, "negative length %d given", len); + if (len == 0) + return rb_str_new(0, 0); while (!ZSTREAM_IS_FINISHED(&gz->z) && gz->z.buf_filled < len) { gzfile_read_more(gz); } diff --git a/test/zlib/test_zlib.rb b/test/zlib/test_zlib.rb index 493bdab118..48e074750f 100644 --- a/test/zlib/test_zlib.rb +++ b/test/zlib/test_zlib.rb @@ -1,5 +1,6 @@ require 'test/unit/testsuite' require 'test/unit/testcase' +require 'stringio' begin require 'zlib' @@ -7,6 +8,13 @@ rescue LoadError end if defined? Zlib + class TestZlibGzipReader < Test::Unit::TestCase + D0 = "\037\213\010\000S`\017A\000\003\003\000\000\000\000\000\000\000\000\000" + def test_read0 + assert_equal("", Zlib::GzipReader.new(StringIO.new(D0)).read(0)) + end + end + class TestZlibGzipWriter < Test::Unit::TestCase def test_invalid_new # [ruby-dev:23228] |