27   if ( io_mode & ios::in ) {  in open()
28     mode = ios::in;  in open()
30   } else if ( io_mode & ios::app ) {  in open()
31     mode = ios::app;  in open()
34     mode = ios::out;  in open()
38   if ( io_mode & ios::binary ) {  in open()
39     mode |= ios::binary;  in open()
44   if ( io_mode & (ios::out|ios::app )) {  in open()
69   if ( io_mode & ios::in ) {  in attach()
70     mode = ios::in;  in attach()
72   } else if ( io_mode & ios::app ) {  in attach()
73     mode = ios::app;  in attach()
76     mode = ios::out;  in attach()
80   if ( io_mode & ios::binary ) {  in attach()
81     mode |= ios::binary;  in attach()
86   if ( io_mode & (ios::out|ios::app )) {  in attach()
129 streampos gzfilebuf::seekoff( streamoff off, ios::seek_dir dir, int which ) {  in seekoff()
138   if ( !is_open() || !(mode & ios::in) )  in underflow()
175   if ( !is_open() || !(mode & ios::out) )  in overflow()
255   ios( gzfilestream_common::rdbuf() )  in gzfilestream_common()
264     clear( ios::failbit | ios::badbit );  in attach()
273     clear( ios::failbit | ios::badbit );  in open()
282     clear( ios::failbit | ios::badbit );  in close()
292   ios( gzfilestream_common::rdbuf() )  in gzifstream()
294   clear( ios::badbit );  in gzifstream()
298   ios( gzfilestream_common::rdbuf() )  in gzifstream()
304   ios( gzfilestream_common::rdbuf() )  in gzifstream()
312   ios( gzfilestream_common::rdbuf() )  in gzofstream()
314   clear( ios::badbit );  in gzofstream()
318   ios( gzfilestream_common::rdbuf() )  in gzofstream()
324   ios( gzfilestream_common::rdbuf() )  in gzofstream()