1 files changed, 86 insertions, 0 deletions
diff --git a/cpukit/libcsupport/src/futimens.c b/cpukit/libcsupport/src/futimens.c
new file mode 100644
index 0000000000..d4a9282e73
--- /dev/null
+++ b/cpukit/libcsupport/src/futimens.c
@@ -0,0 +1,86 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ *  @file
+ *
+ *  @ingroup libcsupport
+ *
+ *  @brief Set file access and modification times based on file descriptor in
+ *  nanoseconds.
+ */
+
+/*
+ * COPYRIGHT (C) 2021 On-Line Applications Research Corporation (OAR).
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/libio_.h>
+
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+
+/**
+ *  https://pubs.opengroup.org/onlinepubs/9699919799.2008edition/functions/futimens.html
+ *
+ *  Set file access and modification times
+ */
+int futimens(
+  int                    fd,
+  const struct timespec  times[2]
+)
+{
+  int rv;
+  rtems_libio_t *iop;
+  struct timespec new_times[2];
+  const rtems_filesystem_location_info_t *currentloc = NULL;
+
+  LIBIO_GET_IOP_WITH_ACCESS( fd, iop, LIBIO_FLAGS_READ, EBADF );
+
+  currentloc = &iop->pathinfo;
+
+  rv = rtems_filesystem_utime_update( times, new_times );
+  if ( rv != 0 ) {
+    rtems_libio_iop_drop( iop );
+    return rv;
+  }
+
+  rv = rtems_filesystem_utime_check_permissions( currentloc, times );
+  if ( rv != 0 ) {
+    rtems_libio_iop_drop( iop );
+    return rv;
+  }
+
+  rv = (*currentloc->mt_entry->ops->utimens_h)(
+    currentloc,
+    new_times
+  );
+
+  rtems_libio_iop_drop( iop );
+
+  return rv;
+}