diff options
Diffstat (limited to 'posix/tst-libc-message.c')
-rw-r--r-- | posix/tst-libc-message.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/posix/tst-libc-message.c b/posix/tst-libc-message.c new file mode 100644 index 0000000..b85195e --- /dev/null +++ b/posix/tst-libc-message.c @@ -0,0 +1,48 @@ +/* Internal test to verify __libc_fatal. + Copyright (C) 2025 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <signal.h> +#include <stdio.h> + +#include <support/check.h> +#include <support/capture_subprocess.h> + +static _Noreturn void +run_libc_message (void *closure) +{ + /* We only support 4 arguments. Call with 5 to trigger failure. */ + __libc_message_impl ("%s %s %s %s %s\n", "1", "2", "3", "4", "5"); + __builtin_unreachable (); +} + +static int +do_test (void) +{ + struct support_capture_subprocess result + = support_capture_subprocess (run_libc_message, NULL); + support_capture_subprocess_check (&result, "libc_message", -SIGABRT, + sc_allow_stderr); + + TEST_COMPARE_STRING (result.err.buffer, IOVEC_MAX_ERR_MSG); + + support_capture_subprocess_free (&result); + + return 0; +} + +#include <support/test-driver.c> |