From be8efac78d067c138ad8dda03df4336e73f94887 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Sat, 8 Jan 2022 11:51:07 +0100 Subject: New upstream version 1.0 --- tests/test-ioctl.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 tests/test-ioctl.c (limited to 'tests/test-ioctl.c') diff --git a/tests/test-ioctl.c b/tests/test-ioctl.c new file mode 100644 index 0000000..0779a0a --- /dev/null +++ b/tests/test-ioctl.c @@ -0,0 +1,51 @@ +/* Test of ioctl() function. + Copyright (C) 2011-2022 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +#include + +/* Specification. */ +#include + +#include "signature.h" +SIGNATURE_CHECK (ioctl, int, (int, int, ...)); + +#include +#include + +#include "macros.h" + +int +main (void) +{ +#ifdef FIONREAD + /* Test behaviour for invalid file descriptors. */ + { + int value; + errno = 0; + ASSERT (ioctl (-1, FIONREAD, &value) == -1); + ASSERT (errno == EBADF); + } + { + int value; + close (99); + errno = 0; + ASSERT (ioctl (99, FIONREAD, &value) == -1); + ASSERT (errno == EBADF); + } +#endif + + return 0; +} -- cgit v1.2.3