[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/hurd/hurdfchdir.c b/ap/libc/glibc/glibc-2.22/hurd/hurdfchdir.c
new file mode 100644
index 0000000..2702c2d
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/hurd/hurdfchdir.c
@@ -0,0 +1,58 @@
+/* Change a port cell to a directory in an open file descriptor.
+ Copyright (C) 1999-2015 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
+ <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <unistd.h>
+#include <hurd.h>
+#include <hurd/port.h>
+#include <hurd/fd.h>
+#include <fcntl.h>
+
+int
+_hurd_change_directory_port_from_fd (struct hurd_port *portcell, int fd)
+{
+ int ret;
+ struct hurd_fd *d = _hurd_fd_get (fd);
+
+ if (!d)
+ return __hurd_fail (EBADF);
+
+ HURD_CRITICAL_BEGIN;
+
+ ret = HURD_PORT_USE (&d->port,
+ ({
+ int ret;
+ /* We look up "." to force ENOTDIR if it's not a
+ directory and EACCES if we don't have search
+ permission. */
+ file_t dir = __file_name_lookup_under (port, ".",
+ O_NOTRANS, 0);
+ if (dir == MACH_PORT_NULL)
+ ret = -1;
+ else
+ {
+ _hurd_port_set (portcell, dir);
+ ret = 0;
+ }
+ ret;
+ }));
+
+ HURD_CRITICAL_END;
+
+ return ret;
+}