diff options
| author | Alan Wu <[email protected]> | 2019-10-25 19:15:24 -0400 |
|---|---|---|
| committer | Nobuyoshi Nakada <[email protected]> | 2019-10-31 22:23:58 +0900 |
| commit | 0aaa15f6362e307c9ef636e9625027b96e577dfb (patch) | |
| tree | 79aaa8a72d1077b3621210810bc3a60ffe769bbb | |
| parent | d6ed7a984c8fd991ce2614d2f228239f8eb490b5 (diff) | |
[ruby/zlib] Fix setting mtime to zero in GzipWriter
Before this change, it was not possible to write out zero for the
timestamp part of a Gzip file's header, as calling GzipWriter#mtime with
zero was ignored.
Judging from the docs for `GzipWriter#mtime=`, it should be possible to
indicate that no timestamp is available by calling the method with zero.
https://github.com/ruby/zlib/commit/310be39cac
| -rw-r--r-- | ext/zlib/zlib.c | 4 | ||||
| -rw-r--r-- | test/zlib/test_zlib.rb | 11 |
2 files changed, 14 insertions, 1 deletions
diff --git a/ext/zlib/zlib.c b/ext/zlib/zlib.c index 1d32581259..a7d0bc1136 100644 --- a/ext/zlib/zlib.c +++ b/ext/zlib/zlib.c @@ -2230,6 +2230,7 @@ struct gzfile { #define GZFILE_FLAG_SYNC ZSTREAM_FLAG_UNUSED #define GZFILE_FLAG_HEADER_FINISHED (ZSTREAM_FLAG_UNUSED << 1) #define GZFILE_FLAG_FOOTER_FINISHED (ZSTREAM_FLAG_UNUSED << 2) +#define GZFILE_FLAG_MTIME_IS_SET (ZSTREAM_FLAG_UNUSED << 3) #define GZFILE_IS_FINISHED(gz) \ (ZSTREAM_IS_FINISHED(&(gz)->z) && ZSTREAM_BUF_FILLED(&(gz)->z) == 0) @@ -2516,7 +2517,7 @@ gzfile_make_header(struct gzfile *gz) if (!NIL_P(gz->comment)) { flags |= GZ_FLAG_COMMENT; } - if (gz->mtime == 0) { + if (!(gz->z.flags & GZFILE_FLAG_MTIME_IS_SET)) { gz->mtime = time(0); } @@ -3246,6 +3247,7 @@ rb_gzfile_set_mtime(VALUE obj, VALUE mtime) val = rb_Integer(mtime); gz->mtime = NUM2UINT(val); + gz->z.flags |= GZFILE_FLAG_MTIME_IS_SET; return mtime; } diff --git a/test/zlib/test_zlib.rb b/test/zlib/test_zlib.rb index 7df53bd538..7d703d15e4 100644 --- a/test/zlib/test_zlib.rb +++ b/test/zlib/test_zlib.rb @@ -488,6 +488,17 @@ if defined? Zlib } end + def test_zero_mtime + sio = StringIO.new + gz = Zlib::GzipWriter.new(sio) + gz.mtime = 0 + gz.write("Hi") + gz.close + reading_io = StringIO.new(sio.string) + reader = Zlib::GzipReader.new(reading_io) + assert_equal(0, reader.mtime.to_i) + end + def test_level Tempfile.create("test_zlib_gzip_file_level") {|t| t.close |