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-rw-r--r--grub-core/lib/gnulib/openat-die.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/grub-core/lib/gnulib/openat-die.c b/grub-core/lib/gnulib/openat-die.c
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+++ b/grub-core/lib/gnulib/openat-die.c
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+/* Report a save- or restore-cwd failure in our openat replacement and then exit.
+
+ Copyright (C) 2005-2006, 2008-2019 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 <https://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+#include "openat.h"
+
+#include <stdlib.h>
+
+#ifndef GNULIB_LIBPOSIX
+# include "error.h"
+#endif
+
+#include "exitfail.h"
+
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+
+_Noreturn void
+openat_save_fail (int errnum)
+{
+#ifndef GNULIB_LIBPOSIX
+ error (exit_failure, errnum,
+ _("unable to record current working directory"));
+#endif
+ /* _Noreturn cannot be applied to error, since it returns
+ when its first argument is 0. To help compilers understand that this
+ function does not return, call abort. Also, the abort is a
+ safety feature if exit_failure is 0 (which shouldn't happen). */
+ abort ();
+}
+
+
+/* Exit with an error about failure to restore the working directory
+ during an openat emulation. The caller must ensure that fd 2 is
+ not a just-opened fd, even when openat_safer is not in use. */
+
+_Noreturn void
+openat_restore_fail (int errnum)
+{
+#ifndef GNULIB_LIBPOSIX
+ error (exit_failure, errnum,
+ _("failed to return to initial working directory"));
+#endif
+
+ /* As above. */
+ abort ();
+}