1 files changed, 35 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/ftruncate.c b/sysdeps/unix/sysv/linux/ftruncate.c
new file mode 100644
index 0000000000..539fad9369
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/ftruncate.c
@@ -0,0 +1,35 @@
+/* Copyright (C) 2016-2018 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 <sysdep.h>
+#include <errno.h>
+
+#ifndef __OFF_T_MATCHES_OFF64_T
+/* Truncate the file FD refers to LENGTH bytes.  */
+int
+__ftruncate (int fd, off_t length)
+{
+# ifndef __NR_ftruncate
+  return INLINE_SYSCALL_CALL (ftruncate64, fd,
+			      __ALIGNMENT_ARG SYSCALL_LL (length));
+# else
+  return INLINE_SYSCALL_CALL (ftruncate, fd, length);
+# endif
+}
+weak_alias (__ftruncate, ftruncate)
+#endif