[PATCH 014/114] Add fcntl sycall for Phoenix.

[Jakub Sejdak <jakub dot sejdak at phoesys dot com>]

From: Kuba Sejdak <jakub.sejdak@phoesys.com>

---
 newlib/libc/sys/phoenix/fcntl.c | 42 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 newlib/libc/sys/phoenix/fcntl.c

diff --git a/newlib/libc/sys/phoenix/fcntl.c b/newlib/libc/sys/phoenix/fcntl.c
new file mode 100644
index 0000000..d7cfa47
--- /dev/null
+++ b/newlib/libc/sys/phoenix/fcntl.c
@@ -0,0 +1,42 @@
+/* Copyright (C) 2012-2016 Phoenix Systems (http://www.phoesys.com/).
+   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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include "syscall.h"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdarg.h>
+
+int fcntl( int fd , int cmd, ...)
+{
+	int arg = 0;
+	if ((cmd == F_DUPFD) || (cmd == F_SETFD) || (cmd == F_SETFL)) {
+		va_list args;
+		va_start(args, cmd);
+		arg = va_arg(args, int);
+		va_end(args);
+	}
+
+	int ret = syscall3(int, SYS_FCNTL, fd, cmd, arg);
+	if (ret < 0) {
+		errno = -ret;
+		return -1;
+	}
+
+	return ret;
+}
-- 
2.5.0