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

*** 18,27 ****
--- 18,29 ----
   *
   * CDDL HEADER END
   */
  
  /*
+  * Copyright (c) 2013 Gary Mills
+  *
   * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
  /*      Copyright (c) 1988 AT&T */
*** 29,40 ****
  
  
  #ifndef _LIMITS_H
  #define _LIMITS_H
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"        /* SVr4.0 1.34  */
- 
  #include <sys/feature_tests.h>
  #include <sys/isa_defs.h>
  #include <iso/limits_iso.h>
  
  /*
--- 31,40 ----
*** 288,298 ****
--- 288,307 ----
  extern long _sysconf(int);      /* System Private interface to sysconf() */
  #define CLK_TCK ((clock_t)_sysconf(3))  /* 3 is _SC_CLK_TCK */
  
  #endif /* CLK_TCK */
  
+ #ifdef  __USE_LEGACY_LOGNAME__
  #define LOGNAME_MAX     8       /* max # of characters in a login name */
+ #else   /* __USE_LEGACY_LOGNAME__ */
+ #define LOGNAME_MAX     32      /* max # of characters in a login name */
+                                 /* Increased for illumos */
+ #endif  /* __USE_LEGACY_LOGNAME__ */
+ #define LOGIN_NAME_MAX  (LOGNAME_MAX + 1)       /* max buffer size */
+ #define LOGNAME_MAX_TRAD        8               /* traditional length */
+ #define LOGIN_NAME_MAX_TRAD     (LOGNAME_MAX_TRAD + 1)  /* and size */
+ 
  #define TTYNAME_MAX     128     /* max # of characters in a tty name */
  
  #endif  /* if defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) ... */
  
  #if     defined(__EXTENSIONS__) || (_POSIX_C_SOURCE >= 199506L)