aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/unix/sysv/linux/generic/readlink.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/unix/sysv/linux/generic/readlink.c')
-rw-r--r--sysdeps/unix/sysv/linux/generic/readlink.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/generic/readlink.c b/sysdeps/unix/sysv/linux/generic/readlink.c
new file mode 100644
index 0000000000..6f25649c6c
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/generic/readlink.c
@@ -0,0 +1,31 @@
+/* Copyright (C) 2011-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
+
+ 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 <fcntl.h>
+
+/* Read the contents of the symbolic link PATH into no more than
+ LEN bytes of BUF. The contents are not null-terminated.
+ Returns the number of characters read, or -1 for errors. */
+ssize_t
+__readlink (const char *path, char *buf, size_t len)
+{
+ return INLINE_SYSCALL (readlinkat, 4, AT_FDCWD, path, buf, len);
+}
+weak_alias (__readlink, readlink)