[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/hurdchdir.c b/ap/libc/glibc/glibc-2.22/hurd/hurdchdir.c
new file mode 100644
index 0000000..12f56b8
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/hurd/hurdchdir.c
@@ -0,0 +1,59 @@
+/* Change a port cell to a directory by looking up a name.
+ 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>
+#include <string.h>
+
+int
+_hurd_change_directory_port_from_name (struct hurd_port *portcell,
+ const char *name)
+{
+ size_t len;
+ const char *lookup;
+ file_t dir;
+
+ /* Append trailing "/." to directory name to force ENOTDIR if it's not a
+ directory and EACCES if we don't have search permission. */
+ len = strlen (name);
+ if (len >= 2 && name[len - 2] == '/' && name[len - 1] == '.')
+ lookup = name;
+ else if (len == 0)
+ /* Special-case empty file name according to POSIX. */
+ return __hurd_fail (ENOENT);
+ else
+ {
+ char *n = alloca (len + 3);
+ memcpy (n, name, len);
+ n[len] = '/';
+ n[len + 1] = '.';
+ n[len + 2] = '\0';
+ lookup = n;
+ }
+
+ dir = __file_name_lookup (lookup, 0, 0);
+ if (dir == MACH_PORT_NULL)
+ return -1;
+
+ _hurd_port_set (portcell, dir);
+ return 0;
+}