--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usr/src/cmd/getent/dogetpw.c	Tue Jun 02 18:56:50 2009 +0900
@@ -0,0 +1,77 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (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
+ */
+
+#pragma ident	"@(#)dogetpw.c	1.6	07/03/22 SMI"
+
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#include <stdio.h>
+#include <pwd.h>
+#include <stdlib.h>
+#include <errno.h>
+#include "getent.h"
+
+/*
+ * getpwnam - get entries from password database
+ */
+int
+dogetpw(const char **list)
+{
+	struct passwd *pwp;
+	int rc = EXC_SUCCESS;
+	char *ptr;
+	uid_t uid;
+
+
+	if (list == NULL || *list == NULL) {
+		while ((pwp = getpwent()) != NULL)
+			(void) putpwent(pwp, stdout);
+	} else {
+		for (; *list != NULL; list++) {
+			errno = 0;
+
+			/*
+			 * Here we assume that the argument passed is
+			 * a uid, if it can be completely transformed
+			 * to a long integer. So we check for uid in
+			 * the database and if we fail then we check
+			 * for the user name.
+			 * If the argument passed is not numeric, then
+			 * we take it as the user name and proceed.
+			 */
+			uid = strtol(*list, &ptr, 10);
+			if (!(*ptr == '\0' && errno == 0) ||
+			    ((pwp = getpwuid(uid)) == NULL)) {
+				pwp = getpwnam(*list);
+			}
+
+			if (pwp == NULL)
+				rc = EXC_NAME_NOT_FOUND;
+			else
+				(void) putpwent(pwp, stdout);
+		}
+	}
+
+	return (rc);
+}