2989 Eliminate use of LOGNAME_MAX in ON
1166 useradd have warning with name more 8 chars

@@ -17,10 +17,12 @@
  * information: Portions Copyright [yyyy] [name of copyright owner]
  *
  * CDDL HEADER END
  */
 /*
+ * Copyright (c) 2013 Gary Mills
+ *
  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  *
  * Portions Copyright 2009 Chad Mynhier
  */

@@ -57,17 +59,29 @@
                 Die(gettext("invalid user name: %s\n"), name);
         return (pwd->pw_uid);
 }
 
 void
-pwd_getname(uid_t uid, char *name, int length, int noresolve)
+pwd_getname(uid_t uid, char *name, size_t length, int noresolve,
+    int trunc, size_t width)
 {
         struct passwd *pwd;
+        size_t n;
 
         if (noresolve || (pwd = getpwuid(uid)) == NULL) {
+                n = snprintf(NULL, 0, "%u", uid);
+                if (trunc && n > width)
+                        (void) snprintf(name, length, "%.*u%c",
+                            width - 1, uid, '*');
+                else
                 (void) snprintf(name, length, "%u", uid);
         } else {
+                n = strlen(pwd->pw_name);
+                if (trunc && n > width)
+                        (void) snprintf(name, length, "%.*s%c",
+                            width - 1, pwd->pw_name, '*');
+                else
                 (void) snprintf(name, length, "%s", pwd->pw_name);
         }
 }
 
 void