[Minios-devel] [UNIKRAFT/LWIP PATCH 3/3] Add getservbyname and getservbyport stubs

[Vlad-Andrei BĂDOIU (78692) <vlad_andrei.badoiu@xxxxxxxxxxxxxxx>]

This patch adds a new file serv.c which holds the getserv* functions. Currently,
only the getservbyname and getservbyport are available.

Signed-off-by: Vlad-Andrei Badoiu <vlad_andrei.badoiu@xxxxxxxxxxxxxxx>
---
 Makefile.uk   |  1 +
 exportsyms.uk |  2 ++
 serv.c        | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 49 insertions(+)
 create mode 100644 serv.c

diff --git a/Makefile.uk b/Makefile.uk
index abdecdc..7b30146 100644
--- a/Makefile.uk
+++ b/Makefile.uk
@@ -72,6 +72,7 @@ LIBLWIP_CFLAGS-$(CONFIG_LWIP_DEBUG) += -DUK_DEBUG
 LIBLWIP_SRCS-y += $(LIBLWIP_BASE)/alloc.c|unikraft
 LIBLWIP_SRCS-y += $(LIBLWIP_BASE)/proto.c
 LIBLWIP_SRCS-y += $(LIBLWIP_BASE)/host.c
+LIBLWIP_SRCS-y += $(LIBLWIP_BASE)/serv.c
 LIBLWIP_SRCS-$(CONFIG_LWIP_THREADS) += $(LIBLWIP_BASE)/mutex.c|unikraft
 LIBLWIP_SRCS-$(CONFIG_LWIP_THREADS) += $(LIBLWIP_BASE)/semaphore.c|unikraft
 LIBLWIP_SRCS-$(CONFIG_LWIP_THREADS) += $(LIBLWIP_BASE)/mailbox.c|unikraft
diff --git a/exportsyms.uk b/exportsyms.uk
index 965b67c..375a789 100644
--- a/exportsyms.uk
+++ b/exportsyms.uk
@@ -32,3 +32,5 @@ getprotoent
 getprotobyname
 getprotobynumber
 gethostbyaddr
+getservbyname
+getservbyport
diff --git a/serv.c b/serv.c
new file mode 100644
index 0000000..555e3a6
--- /dev/null
+++ b/serv.c
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+/*
+ * 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 <netdb.h>
+
+struct servent *getservbyname(const char *name __unused,
+       const char *proto __unused)
+{
+       return NULL;
+}
+
+struct servent *getservbyport(int port __unused,
+       const char *proto __unused)
+{
+       return NULL;
+}
-- 
2.21.0

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