1 files changed, 100 insertions, 0 deletions
diff --git a/dist/lib/libc/net/h_servent.c b/dist/lib/libc/net/h_servent.c
new file mode 100644
index 0000000..6d7efd8
--- /dev/null
+++ b/dist/lib/libc/net/h_servent.c
@@ -0,0 +1,100 @@
+/* $NetBSD: h_servent.c,v 1.2 2011/04/07 18:14:09 jruoho Exp $ */
+
+/*-
+ * Copyright (c) 2011 The NetBSD Foundation, Inc.
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+ */
+
+#include <netdb.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <netinet/in.h>
+#include <sys/types.h>
+#include <stdio.h>
+
+static void
+pserv(const struct servent *svp)
+{
+	char **pp;
+
+	printf("name=%s, port=%d, proto=%s, aliases=",
+	    svp->s_name, ntohs((uint16_t)svp->s_port), svp->s_proto);
+	for (pp = svp->s_aliases; *pp; pp++)
+		printf("%s ", *pp);
+	printf("\n");
+}
+
+static void
+usage(void)
+{
+	(void)fprintf(stderr, "Usage: %s\n"
+	    "\t%s -p <port> [-P <proto>]\n"
+	    "\t%s -n <name> [-P <proto>]\n", getprogname(), getprogname(),
+	    getprogname());
+	exit(1);
+}
+
+int
+main(int argc, char *argv[])
+{
+	struct servent *svp;
+	const char *port = NULL, *proto = NULL, *name = NULL;
+	int c;
+
+	while ((c = getopt(argc, argv, "p:n:P:")) != -1) {
+		switch (c) {
+		case 'n':
+			name = optarg;
+			break;
+		case 'p':
+			port = optarg;
+			break;
+		case 'P':
+			proto = optarg;
+			break;
+		default:
+			usage();
+		}
+	}
+
+	if (port && name)
+		usage();
+	if (port) {
+		if ((svp = getservbyport(htons(atoi(port)), proto)) != NULL)
+			pserv(svp);
+		return 0;
+	}
+	if (name) {
+		if ((svp = getservbyname(name, proto)) != NULL)
+			pserv(svp);
+		return 0;
+	}
+
+	setservent(0);
+	while ((svp = getservent()) != NULL)
+		pserv(svp);
+	endservent();
+	return 0;
+}