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authorUlrich Drepper <drepper@redhat.com>2005-12-16 00:24:16 +0000
committerUlrich Drepper <drepper@redhat.com>2005-12-16 00:24:16 +0000
commit5c46041a9c8e0431f0b329a94becfc5d576d12cb (patch)
treef1674233067d582cc28ab1221c00660b8fb66a65 /io/linkat.c
parentfc30e8dafa2326ef5f5c05f032606635c329cc12 (diff)
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* sysdeps/unix/sysv/linux/renameat.c: Move errno setting code in
	separate function __atfct_seterrno_2.
	* include/fcntl.h: Declare __atfct_seterrno_2.
	* posix/unistd.h: Declare linkat, symlinkat, readlinkat.
	* io/Makefile (routines): Add linkat, symlinkat, readlinkat.
	* io/Versions [GLIBC_2.4]: Export linkat, symlinkat, readlinkat.
	* io/linkat.c: New file.
	* io/readlinkat.c: New file.
	* io/symlinkat.c: New file.
	* sysdeps/unix/sysv/linux/linkat.c: New file.
	* sysdeps/unix/sysv/linux/readlinkat.c: New file.
	* sysdeps/unix/sysv/linux/symlinkat.c: New file.
Diffstat (limited to 'io/linkat.c')
-rw-r--r--io/linkat.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/io/linkat.c b/io/linkat.c
new file mode 100644
index 0000000000..6420d50334
--- /dev/null
+++ b/io/linkat.c
@@ -0,0 +1,51 @@
+/* Copyright (C) 2005 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 <stddef.h>
+#include <unistd.h>
+
+
+/* Make a link to FROM relative to FROMFD called TO relative to TOFD.  */
+int
+linkat (fromfd, from, tofd, to)
+     int fromfd;
+     const char *from;
+     int tofd;
+     const char *to;
+{
+  if (from == NULL || to == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if ((tofd != AT_FDCWD && tofd < 0 && *to != '/')
+      || (fromfd != AT_FDCWD && fromfd < 0 && *from != '/'))
+    {
+      __set_errno (EBADF);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (linkat)
+
+#include <stub-tag.h>