diff options
Diffstat (limited to 'ext/zlib')
-rw-r--r-- | ext/zlib/zlib.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/ext/zlib/zlib.c b/ext/zlib/zlib.c index 8f24b77d8f..9c2b7b624f 100644 --- a/ext/zlib/zlib.c +++ b/ext/zlib/zlib.c @@ -3297,9 +3297,13 @@ rb_gzfile_set_comment(VALUE obj, VALUE str) static VALUE rb_gzfile_close(VALUE obj) { - struct gzfile *gz = get_gzfile(obj); + struct gzfile *gz; VALUE io; + TypedData_Get_Struct(obj, struct gzfile, &gzfile_data_type, gz); + if (!ZSTREAM_IS_READY(&gz->z)) { + return Qnil; + } io = gz->io; gzfile_close(gz, 1); return io; |