diff options
Diffstat (limited to 'newlib/libc/stdio/freopen.c')
| -rw-r--r-- | newlib/libc/stdio/freopen.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/newlib/libc/stdio/freopen.c b/newlib/libc/stdio/freopen.c index ec195c8..d5582d4 100644 --- a/newlib/libc/stdio/freopen.c +++ b/newlib/libc/stdio/freopen.c @@ -146,14 +146,15 @@ _DEFUN(_freopen_r, (ptr, file, mode, fp), else { #ifdef HAVE_FCNTL + int oldflags; /* * Reuse the file descriptor, but only if the access mode is * unchanged. F_SETFL correctly ignores creation flags. */ f = fp->_file; - if ((oflags = _fcntl_r (ptr, f, F_GETFL, 0)) == -1 - || ((oflags ^ flags) & O_ACCMODE) != 0 - || _fcntl_r (ptr, f, F_SETFL, flags) == -1) + if ((oldflags = _fcntl_r (ptr, f, F_GETFL, 0)) == -1 + || ((oldflags ^ oflags) & O_ACCMODE) != 0 + || _fcntl_r (ptr, f, F_SETFL, oflags) == -1) f = -1; #else /* We cannot modify without fcntl support. */ |