1 files changed, 50 insertions, 0 deletions
diff --git a/stdio-common/tst-printf-format-vas.h b/stdio-common/tst-printf-format-vas.h
new file mode 100644
index 0000000000..3e38e729ec
--- /dev/null
+++ b/stdio-common/tst-printf-format-vas.h
@@ -0,0 +1,50 @@
+/* Test feature wrapper for formatted 'vasprintf' output.
+   Copyright (C) 2024 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 <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+static int
+printf_under_test (const char *restrict fmt, ...)
+{
+  va_list ap;
+  int result;
+  char *str;
+
+  va_start (ap, fmt);
+  result = vasprintf (&str, fmt, ap);
+  va_end (ap);
+  if (result < 0)
+    {
+      perror ("vasprintf");
+      goto out;
+    }
+  if (fwrite (str, sizeof (*str), result, stdout) != result)
+    {
+      perror ("fwrite");
+      result = -1;
+    }
+  free (str);
+out:
+  return result;
+}
+
+#ifndef TIMEOUT
+# define TIMEOUT (DEFAULT_TIMEOUT * 12)
+#endif