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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /io/openat.c
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'io/openat.c')
-rw-r--r--io/openat.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/io/openat.c b/io/openat.c
new file mode 100644
index 0000000000..c65ad19c7a
--- /dev/null
+++ b/io/openat.c
@@ -0,0 +1,71 @@
+/* Copyright (C) 2005, 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>
+
+/* 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;
+
+ if (file == NULL)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ if (fd != AT_FDCWD && file[0] != '/')
+ {
+ /* Check FD is associated with a directory. */
+ struct stat64 st;
+ if (__fxstat64 (_STAT_VER, fd, &st) != 0)
+ return -1;
+
+ if (!S_ISDIR (st.st_mode))
+ {
+ __set_errno (ENOTDIR);
+ return -1;
+ }
+ }
+
+ if (oflag & O_CREAT)
+ {
+ va_list arg;
+ va_start (arg, oflag);
+ mode = va_arg (arg, int);
+ va_end (arg);
+ }
+
+ __set_errno (ENOSYS);
+ return -1;
+}
+libc_hidden_def (__openat)
+weak_alias (__openat, openat)
+stub_warning (openat)
+
+#include <stub-tag.h>