aboutsummaryrefslogtreecommitdiff
path: root/posix/tst-libc-message.c
diff options
context:
space:
mode:
Diffstat (limited to 'posix/tst-libc-message.c')
-rw-r--r--posix/tst-libc-message.c48
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>