--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usr/src/cmd/lp/lib/lp/addlist.c	Tue Jun 02 18:56:50 2009 +0900
@@ -0,0 +1,92 @@
+/*
+ * 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
+ */
+/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
+/*	  All Rights Reserved  	*/
+
+
+#ident	"@(#)addlist.c	1.5	05/06/08 SMI"	/* SVr4.0 1.7	*/
+/* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */
+
+#include "string.h"
+#include "errno.h"
+#include "stdlib.h"
+
+#include "lp.h"
+
+/**
+ ** addlist() - ADD ITEM TO (char **) LIST
+ **/
+
+int
+#if	defined(__STDC__)
+addlist (
+	char ***		plist,
+	char *			item
+)
+#else
+addlist (plist, item)
+	register char		***plist,
+				*item;
+#endif
+{
+	register char		**pl;
+
+	register int		n;
+
+	if (*plist) {
+
+		n = lenlist(*plist);
+
+		for (pl = *plist; *pl; pl++)
+			if (STREQU(*pl, item))
+				break;
+
+		if (!*pl) {
+
+			n++;
+			*plist = (char **)Realloc(
+				(char *)*plist,
+				(n + 1) * sizeof(char *)
+			);
+			if (!*plist) {
+				errno = ENOMEM;
+				return (-1);
+			}
+			(*plist)[n - 1] = Strdup(item);
+			(*plist)[n] = 0;
+
+		}
+
+	} else {
+
+		*plist = (char **)Malloc(2 * sizeof(char *));
+		if (!*plist) {
+			errno = ENOMEM;
+			return (-1);
+		}
+		(*plist)[0] = Strdup(item);
+		(*plist)[1] = 0;
+
+	}
+
+	return (0);
+}