--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usr/src/cmd/getent/dogetserv.c	Tue Jun 02 18:56:50 2009 +0900
@@ -0,0 +1,105 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+#ident	"@(#)dogetserv.c	1.5	05/06/08 SMI"
+
+/*
+ * Copyright (c) 1994, by Sun Microsystems, Inc.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <string.h>
+
+#include <netdb.h>
+#include "getent.h"
+
+static int
+putservent(const struct servent *sp, FILE *fp)
+{
+	char **p;
+	int rc = 0;
+
+	if (sp == NULL) {
+		return (1);
+	}
+
+	if (fprintf(fp, "%-20s %d/%s",
+		    sp->s_name, ntohs(sp->s_port), sp->s_proto) == EOF)
+		rc = 1;
+	for (p = sp->s_aliases; *p != 0; p++) {
+		if (fprintf(fp, " %s", *p) == EOF)
+			rc = 1;
+	}
+	if (putc('\n', fp) == EOF)
+		rc = 1;
+	return (rc);
+}
+
+/*
+ * getservbyname/addr - get entries from service database
+ * Accepts arguments as:
+ *	port/protocol
+ *	port
+ *	name/protocol
+ *	name
+ */
+int
+dogetserv(const char **list)
+{
+	struct servent *sp;
+	int rc = EXC_SUCCESS;
+
+	if (list == NULL || *list == NULL) {
+		while ((sp = getservent()) != NULL)
+			(void) putservent(sp, stdout);
+	} else {
+		for (; *list != NULL; list++) {
+			int port;
+			char key[BUFSIZ];
+			const char *protocol = NULL;
+			char *cp;
+
+			/* Copy string to avoiding modifying the argument */
+			(void) strncpy(key, *list, sizeof (key));
+			key[sizeof (key) - 1] = NULL;
+			/* Split at a '/' to extract protocol number */
+			if ((cp = strchr(key, '/')) != NULL) {
+				*cp = NULL;
+				protocol = cp + 1;
+			}
+			port = htons(atoi(key));
+			if (port != 0)
+				sp = getservbyport(port, protocol);
+			else
+				sp = getservbyname(key, protocol);
+			if (sp == NULL)
+				rc = EXC_NAME_NOT_FOUND;
+			else
+				(void) putservent(sp, stdout);
+		}
+	}
+
+	return (rc);
+}