Add libnetbsd, a thin compatibility layer intended to allow a limited

set of NetBSD software to compile as part of the FreeBSD build with
little or no modifiction.  It is built as a static library and not
installed for general use.  Likewise, its header files are not
installed.

Sponsored by:	DARPA, AFRL

1 files changed, 59 insertions, 0 deletions

diff --git a/lib/libnetbsd/util.c b/lib/libnetbsd/util.c
new file mode 100644
index 0000000..36b9421
--- /dev/null
+++ b/lib/libnetbsd/util.c
@@ -0,0 +1,59 @@
+/*-
+ * Copyright (c) 2012 SRI International
+ * All rights reserved.
+ *
+ * This software was developed by SRI International and the University of
+ * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
+ * ("CTSRD"), as part of the DARPA CRASH research programme.
+ *
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <util.h>
+
+char *
+flags_to_string(u_long flags, const char *def)
+{
+	char *str;
+
+	str = fflagstostr(flags);
+	if (*str == '\0') {
+		free(str);
+		str = strdup(def);
+	}
+	return (str);
+}
+
+int
+string_to_flags(char **stringp, u_long *setp, u_long *clrp)
+{
+
+	return strtofflags(stringp, setp, clrp);
+}