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Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/generic/wordsize-32/llseek.c')
-rw-r--r--ports/sysdeps/unix/sysv/linux/generic/wordsize-32/llseek.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/generic/wordsize-32/llseek.c b/ports/sysdeps/unix/sysv/linux/generic/wordsize-32/llseek.c
new file mode 100644
index 0000000000..699e602536
--- /dev/null
+++ b/ports/sysdeps/unix/sysv/linux/generic/wordsize-32/llseek.c
@@ -0,0 +1,46 @@
+/* Copyright (C) 2011 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 <sys/types.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+
+/* Seek to OFFSET on FD, starting from WHENCE. */
+extern loff_t __llseek (int fd, loff_t offset, int whence);
+
+loff_t
+__llseek (int fd, loff_t offset, int whence)
+{
+ loff_t retval;
+
+ return (loff_t) (INLINE_SYSCALL (_llseek, 5, fd, (off_t) (offset >> 32),
+ (off_t) (offset & 0xffffffff),
+ &retval, whence) ?: retval);
+}
+weak_alias (__llseek, llseek)
+strong_alias (__llseek, __libc_lseek64)
+strong_alias (__llseek, __lseek64)
+weak_alias (__llseek, lseek64)
+
+/* llseek doesn't have a prototype. Since the second parameter is a
+ 64bit type, this results in wrong behaviour if no prototype is
+ provided. */
+link_warning (llseek, "\
+the `llseek' function may be dangerous; use `lseek64' instead.")