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-rw-r--r--sysdeps/mach/hurd/openat.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/openat.c b/sysdeps/mach/hurd/openat.c
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+++ b/sysdeps/mach/hurd/openat.c
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+/* openat -- Open a file named relative to an open directory.  Hurd version.
+   Copyright (C) 2006 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <sys/stat.h>
+#include <hurd.h>
+#include <hurd/fd.h>
+
+/* Open FILE with access OFLAG.  Interpret relative paths relative to
+   the directory associated with FD.  If OFLAG includes O_CREAT, a
+   third argument is the file protection.  */
+int
+__openat (fd, file, oflag)
+     int fd;
+     const char *file;
+     int oflag;
+{
+  int mode;
+  io_t port;
+
+  if (oflag & O_CREAT)
+    {
+      va_list arg;
+      va_start (arg, oflag);
+      mode = va_arg (arg, int);
+      va_end (arg);
+    }
+  else
+    mode = 0;
+
+  port = __file_name_lookup_at (fd, 0, file, oflag, mode);
+  if (port == MACH_PORT_NULL)
+    return -1;
+
+  return _hurd_intern_fd (port, oflag, 1);
+}
+libc_hidden_def (__openat)
+weak_alias (__openat, openat)
+
+/* openat64 is just the same as openat for us.  */
+weak_alias (__openat, __openat64)
+libc_hidden_weak (__openat64)
+weak_alias (__openat, openat64)