libsupport: Add 64-bit time_t support for stat functions

The patch adds redirections for xstat, xlstat, and xfstat when
_TIME_BITS=64 is defined.

Reviewed-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>

1 files changed, 32 insertions, 0 deletions

diff --git a/support/support-xfstat-time64.c b/support/support-xfstat-time64.c
new file mode 100644
index 0000000000..324c5d20d2
--- /dev/null
+++ b/support/support-xfstat-time64.c
@@ -0,0 +1,32 @@
+/* 64-bit time_t stat with error checking.
+   Copyright (C) 2021 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/>.  */
+
+/* NB: Non-standard file name to avoid sysdeps override for xstat.  */
+
+#include <support/check.h>
+#include <support/xunistd.h>
+#include <sys/stat.h>
+
+#if __TIMESIZE != 64
+void
+xfstat_time64 (int fd, struct __stat64_t64 *result)
+{
+  if (__fstat64_time64 (fd, result) != 0)
+    FAIL_EXIT1 ("__fstat64_time64 (%d): %m", fd);
+}
+#endif