ext/zlib/zlib.c in zlib-3.1.0 vs ext/zlib/zlib.c in zlib-3.1.1

@@ -23,11 +23,11 @@
 #else
 # define VALGRIND_MAKE_MEM_DEFINED(p, n) 0
 # define VALGRIND_MAKE_MEM_UNDEFINED(p, n) 0
 #endif
 
-#define RUBY_ZLIB_VERSION "3.1.0"
+#define RUBY_ZLIB_VERSION "3.1.1"
 
 #ifndef RB_PASS_CALLED_KEYWORDS
 # define rb_class_new_instance_kw(argc, argv, klass, kw_splat) rb_class_new_instance(argc, argv, klass)
 #endif
 
@@ -3498,9 +3498,12 @@
  */
 static VALUE
 rb_gzfile_eof_p(VALUE obj)
 {
     struct gzfile *gz = get_gzfile(obj);
+    while (!ZSTREAM_IS_FINISHED(&gz->z) && ZSTREAM_BUF_FILLED(&gz->z) == 0) {
+	gzfile_read_more(gz, Qnil);
+    }
     return GZFILE_IS_FINISHED(gz) ? Qtrue : Qfalse;
 }
 
 /*
  * Document-method: Zlib::GzipFile#sync