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-rw-r--r--sysdeps/nacl/lseek.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/sysdeps/nacl/lseek.c b/sysdeps/nacl/lseek.c
new file mode 100644
index 0000000000..6451eb50d5
--- /dev/null
+++ b/sysdeps/nacl/lseek.c
@@ -0,0 +1,43 @@
+/* lseek -- Move the file position of a file descriptor.  NaCl version.
+   Copyright (C) 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 <unistd.h>
+#include <nacl-interfaces.h>
+
+
+/* Seek to OFFSET on FD, starting from WHENCE.  */
+off_t
+__libc_lseek (int fd, off_t offset, int whence)
+{
+  off_t result;
+  int error = __nacl_irt_fdio.seek (fd, offset, whence, &result);
+  if (error)
+    {
+      __set_errno (error);
+      return -1;
+    }
+  return result;
+}
+libc_hidden_def (__lseek)
+weak_alias (__libc_lseek, __lseek)
+weak_alias (__libc_lseek, lseek)
+
+/* Since off64_t is the same as off_t, lseek64 is just an alias.  */
+weak_alias (__libc_lseek, __libc_lseek64)
+weak_alias (__libc_lseek, __lseek64)
+weak_alias (__libc_lseek, lseek64)