Message ID | 20190218213809.GA27785@altlinux.org |
---|---|
State | New |
Headers | show |
Series | [v2] libio: do not cleanup wide buffers of legacy standard files [BZ #24228] | expand |
diff --git a/libio/genops.c b/libio/genops.c index 2a0d9b81df..95d53595a2 100644 --- a/libio/genops.c +++ b/libio/genops.c @@ -816,8 +816,11 @@ _IO_unbuffer_all (void) _IO_SETBUF (fp, NULL, 0); - if (fp->_mode > 0) - _IO_wsetb (fp, NULL, NULL, 0); +#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1) + if (__glibc_likely (&_IO_stdin_used != NULL) || !_IO_legacy_file (fp)) +#endif + if (fp->_mode > 0) + _IO_wsetb (fp, NULL, NULL, 0); #ifdef _IO_MTSAFE_IO if (cnt < MAXTRIES && fp->_lock != NULL)