about summary refs log tree commit diff
path: root/REORG.TODO/sysdeps/mach/hurd/pread64.c
diff options
context:
space:
mode:
Diffstat (limited to 'REORG.TODO/sysdeps/mach/hurd/pread64.c')
-rw-r--r--REORG.TODO/sysdeps/mach/hurd/pread64.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/mach/hurd/pread64.c b/REORG.TODO/sysdeps/mach/hurd/pread64.c
new file mode 100644
index 0000000000..c4a61c92e2
--- /dev/null
+++ b/REORG.TODO/sysdeps/mach/hurd/pread64.c
@@ -0,0 +1,38 @@
+/* Read block from given position in file without changing file pointer.
+   Hurd version.
+   Copyright (C) 2001-2017 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 <errno.h>
+#include <unistd.h>
+#include <hurd/fd.h>
+
+ssize_t
+__libc_pread64 (int fd, void *buf, size_t nbytes, off64_t offset)
+{
+  error_t err;
+  if (offset < 0)
+    err = EINVAL;
+  else
+    err = HURD_FD_USE (fd, _hurd_fd_read (descriptor, buf, &nbytes, offset));
+  return err ? __hurd_dfail (fd, err) : nbytes;
+}
+
+#ifndef __libc_pread64
+weak_alias (__libc_pread64, __pread64)
+weak_alias (__libc_pread64, pread64)
+#endif