Add sendfile() stub

Signed-off-by: Mihai Pogonaru <pogonarumihai@gmail.com>
Reviewed-by: Costin Lupu <costin.lupu@cs.pub.ro>

diff --git a/Makefile.uk b/Makefile.uk
index ed1ff750fa3d46b8543af608392cb62a58a74e03..cff29333d6c34bddeba29fae58f489a03631e557 100644 (file)
--- a/Makefile.uk
+++ b/Makefile.uk
@@ -87,6 +87,7 @@ LIBLWIP_SRCS-$(CONFIG_LWIP_THREADS) += $(LIBLWIP_BASE)/mailbox.c|unikraft
 LIBLWIP_SRCS-$(CONFIG_LWIP_THREADS) += $(LIBLWIP_BASE)/threads.c|unikraft
 LIBLWIP_SRCS-y += $(LIBLWIP_BASE)/init.c|unikraft
 LIBLWIP_SRCS-y += $(LIBLWIP_BASE)/time.c|unikraft
+LIBLWIP_SRCS-y += $(LIBLWIP_BASE)/sendfile.c|unikraft
 LIBLWIP_SRCS-$(CONFIG_LWIP_SOCKET) += $(LIBLWIP_BASE)/sockets.c|unikraft
 LIBLWIP_SOCKETS_FLAGS-y += -Wno-cast-function-type
 LIBLWIP_SRCS-$(CONFIG_LWIP_DNS) += $(LIBLWIP_BASE)/getnameinfo.c|unikraft

diff --git a/sendfile.c b/sendfile.c
new file mode 100644 (file)
index 0000000..4608a11
--- /dev/null
+++ b/sendfile.c
@@ -0,0 +1,42 @@
+/*  SPDX-License-Identifier: BSD-3-Clause */
+/*
+ *  Authors: Mihai Pogonaru <pogonarumihai@gmail.com>
+ *
+ *  Copyright (c) 2019, University Politehnica of Bucharest. All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *  3. Neither the name of the copyright holder nor the names of its
+ *     contributors may be used to endorse or promote products derived from
+ *     this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *  POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  THIS HEADER MAY NOT BE EXTRACTED OR MODIFIED IN ANY WAY.
+ */
+
+#include <sys/sendfile.h>
+#include <uk/print.h>
+
+ssize_t sendfile(int out_fd, int in_fd, off_t *_offset, size_t count)
+{
+       WARN_STUBBED();
+       return 0;
+}