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

@@ -18,10 +18,12 @@
  *
  * CDDL HEADER END
  */
 
 /*
+ * Copyright (c) 2013 Gary Mills
+ *
  * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
  */
 
 /*      Copyright (c) 1988 AT&T */
 /*        All Rights Reserved   */

@@ -345,11 +347,24 @@
 #if defined(_XPG4_2)
 extern int gethostname(char *, size_t);
 #elif  !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
 extern int gethostname(char *, int);
 #endif
+
+#ifndef __GETLOGIN_DEFINED      /* Avoid duplicate in stdlib.h */
+#define __GETLOGIN_DEFINED
+#ifndef __USE_LEGACY_LOGNAME__
+#ifdef  __PRAGMA_REDEFINE_EXTNAME
+#pragma redefine_extname getlogin getloginx
+#else   /* __PRAGMA_REDEFINE_EXTNAME */
+extern char *getloginx(void);
+#define getlogin        getloginx
+#endif  /* __PRAGMA_REDEFINE_EXTNAME */
+#endif  /* __USE_LEGACY_LOGNAME__ */
 extern char *getlogin(void);
+#endif  /* __GETLOGIN_DEFINED */
+
 #if defined(_XPG4) || defined(__EXTENSIONS__)
 extern int  getopt(int, char *const *, const char *);
 extern char *optarg;
 extern int  opterr, optind, optopt;
 /* Marked as LEGACY in SUSv2 and removed in SUSv3 */

@@ -666,11 +681,24 @@
 extern long gethostid();
 #endif
 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
 extern int gethostname();
 #endif
+
+#ifndef __GETLOGIN_DEFINED      /* Avoid duplicate in stdlib.h */
+#define __GETLOGIN_DEFINED
+#ifndef __USE_LEGACY_LOGNAME__
+#ifdef __PRAGMA_REDEFINE_EXTNAME
+#pragma redefine_extname getlogin       getloginx
+#else   /* __PRAGMA_REDEFINE_EXTNAME */
+extern char *getloginx();
+#define getlogin        getloginx
+#endif  /* __PRAGMA_REDEFINE_EXTNAME */
+#endif  /* __USE_LEGACY_LOGNAME__ */
 extern char *getlogin();
+#endif  /* __GETLOGIN_DEFINED */
+
 #if defined(_XPG4) || defined(__EXTENSIONS__)
 extern int  getopt();
 extern char *optarg;
 extern int  opterr, optind, optopt;
 #if !defined(_XPG6) || defined(__EXTENSIONS__)

@@ -924,33 +952,55 @@
 
 #if     defined(__STDC__)
 
 #if     (_POSIX_C_SOURCE - 0 >= 199506L) || defined(_POSIX_PTHREAD_SEMANTICS)
 
+#ifndef __USE_LEGACY_LOGNAME__
 #ifdef __PRAGMA_REDEFINE_EXTNAME
+#pragma redefine_extname getlogin_r __posix_getloginx_r
+extern int getlogin_r(char *, int);
+#else   /* __PRAGMA_REDEFINE_EXTNAME */
+extern int __posix_getloginx_r(char *, int);
+#define getlogin_r      __posix_getloginx_r
+#endif  /* __PRAGMA_REDEFINE_EXTNAME */
+#else   /* __USE_LEGACY_LOGNAME__ */
+#ifdef __PRAGMA_REDEFINE_EXTNAME
 #pragma redefine_extname getlogin_r __posix_getlogin_r
-#pragma redefine_extname ttyname_r __posix_ttyname_r
 extern int getlogin_r(char *, int);
-extern int ttyname_r(int, char *, size_t);
 #else  /* __PRAGMA_REDEFINE_EXTNAME */
-
 extern int __posix_getlogin_r(char *, int);
-extern int __posix_ttyname_r(int, char *, size_t);
 
 #ifdef __lint
 
 #define getlogin_r      __posix_getlogin_r
-#define ttyname_r       __posix_ttyname_r
 
 #else /* !__lint */
 
 static int
 getlogin_r(char *__name, int __len)
 {
         return (__posix_getlogin_r(__name, __len));
 }
 static int
+
+#endif /* !__lint */
+#endif /* __PRAGMA_REDEFINE_EXTNAME */
+#endif  /* __USE_LEGACY_LOGNAME__ */
+
+#ifdef __PRAGMA_REDEFINE_EXTNAME
+#pragma redefine_extname ttyname_r __posix_ttyname_r
+extern int ttyname_r(int, char *, size_t);
+#else  /* __PRAGMA_REDEFINE_EXTNAME */
+extern int __posix_ttyname_r(int, char *, size_t);
+
+#ifdef __lint
+
+#define ttyname_r       __posix_ttyname_r
+
+#else /* !__lint */
+
+static int
 ttyname_r(int __fildes, char *__buf, size_t __size)
 {
         return (__posix_ttyname_r(__fildes, __buf, __size));
 }
 

@@ -957,33 +1007,46 @@
 #endif /* !__lint */
 #endif /* __PRAGMA_REDEFINE_EXTNAME */
 
 #else  /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */
 
+#ifndef __USE_LEGACY_LOGNAME__
+#ifdef  __PRAGMA_REDEFINE_EXTNAME
+#pragma redefine_extname getlogin_r getloginx_r
+#else   /* __PRAGMA_REDEFINE_EXTNAME */
+extern char *getloginx_r(char *, int);
+#define getlogin_r      getloginx_r
+#endif  /* __PRAGMA_REDEFINE_EXTNAME */
+#endif  /* __USE_LEGACY_LOGNAME__ */
 extern char *getlogin_r(char *, int);
+
 extern char *ttyname_r(int, char *, int);
 
 #endif /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */
 
 #else  /* __STDC__ */
 
 #if (_POSIX_C_SOURCE - 0 >= 199506L) || defined(_POSIX_PTHREAD_SEMANTICS)
 
+#ifndef __USE_LEGACY_LOGNAME__
 #ifdef __PRAGMA_REDEFINE_EXTNAME
+#pragma redefine_extname getlogin_r __posix_getloginx_r
+extern int getlogin_r();
+#else   /* __PRAGMA_REDEFINE_EXTNAME */
+extern int __posix_getloginx_r();
+#define getlogin_r      __posix_getloginx_r
+#endif  /* __PRAGMA_REDEFINE_EXTNAME */
+#else   /* __USE_LEGACY_LOGNAME__ */
+#ifdef __PRAGMA_REDEFINE_EXTNAME
 #pragma redefine_extname getlogin_r __posix_getlogin_r
-#pragma redefine_extname ttyname_r __posix_ttyname_r
 extern int getlogin_r();
-extern int ttyname_r();
 #else  /* __PRAGMA_REDEFINE_EXTNAME */
-
 extern int __posix_getlogin_r();
-extern int __posix_ttyname_r();
 
 #ifdef  __lint
 
 #define getlogin_r      __posix_getlogin_r
-#define ttyname_r       __posix_ttyname_r
 
 #else /* !__lint */
 
 static int
 getlogin_r(__name, __len)

@@ -990,11 +1053,27 @@
         char *__name;
         int __len;
 {
         return (__posix_getlogin_r(__name, __len));
 }
-static int
+#endif /* !__lint */
+#endif /* __PRAGMA_REDEFINE_EXTNAME */
+#endif  /* __USE_LEGACY_LOGNAME__ */
+
+#ifdef __PRAGMA_REDEFINE_EXTNAME
+#pragma redefine_extname ttyname_r __posix_ttyname_r
+extern int ttyname_r();
+#else  /* __PRAGMA_REDEFINE_EXTNAME */
+
+extern int __posix_ttyname_r();
+
+#ifdef  __lint
+
+#define ttyname_r       __posix_ttyname_r
+
+#else /* !__lint */
+
 ttyname_r(__fildes, __buf, __size)
         int __fildes;
         char *__buf;
         size_t __size;
 {

@@ -1003,11 +1082,20 @@
 #endif /* !__lint */
 #endif /* __PRAGMA_REDEFINE_EXTNAME */
 
 #else  /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */
 
+#ifndef __USE_LEGACY_LOGNAME__
+#ifdef __PRAGMA_REDEFINE_EXTNAME
+#pragma redefine_extname getlogin_r     getloginx_r
+#else   /* __PRAGMA_REDEFINE_EXTNAME */
+extern char *getloginx_r();
+#define getlogin_r      getloginx_r
+#endif  /* __PRAGMA_REDEFINE_EXTNAME */
+#endif  /* __USE_LEGACY_LOGNAME__ */
 extern char *getlogin_r();
+
 extern char *ttyname_r();
 
 #endif /* (_POSIX_C_SOURCE - 0 >= 199506L) || ... */
 
 #endif /* __STDC__ */