* obstack.h (__INT_TO_PTR): Revert change of 2003-03-13;

[gnulib.git] / lib / readutmp.h

diff --git a/lib/readutmp.h b/lib/readutmp.h
index 069895f..d122987 100644 (file)
--- a/lib/readutmp.h
+++ b/lib/readutmp.h
@@ -1,5 +1,7 @@
 /* Declarations for GNU's read utmp module.
-   Copyright (C) 92, 93, 94, 95, 96, 1997, 1998 Free Software Foundation, Inc.
+
+   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+   2001, 2002, 2003 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -20,27 +22,76 @@
 #ifndef __READUTMP_H__
 # define __READUTMP_H__
 
-# ifndef PARAMS
-#  if defined PROTOTYPES || (defined __STDC__ && __STDC__)
-#   define PARAMS(Args) Args
-#  else
-#   define PARAMS(Args) ()
-#  endif
-# endif
-
-# include <stdio.h>
 # include <sys/types.h>
 
 # ifdef HAVE_UTMPX_H
+#  ifdef HAVE_UTMP_H
+    /* HPUX 10.20 needs utmp.h, for the definition of e.g., UTMP_FILE.  */
+#   include <utmp.h>
+#  endif
 #  include <utmpx.h>
 #  define UTMP_STRUCT_NAME utmpx
 #  define UT_TIME_MEMBER(UT_PTR) ((UT_PTR)->ut_tv.tv_sec)
+#  define SET_UTMP_ENT setutxent
+#  define GET_UTMP_ENT getutxent
+#  define END_UTMP_ENT endutxent
+#  ifdef HAVE_UTMPXNAME
+#   define UTMP_NAME_FUNCTION utmpxname
+#  endif
 # else
 #  include <utmp.h>
+#  if !HAVE_DECL_GETUTENT
+    struct utmp *getutent();
+#  endif
 #  define UTMP_STRUCT_NAME utmp
 #  define UT_TIME_MEMBER(UT_PTR) ((UT_PTR)->ut_time)
+#  define SET_UTMP_ENT setutent
+#  define GET_UTMP_ENT getutent
+#  define END_UTMP_ENT endutent
+#  ifdef HAVE_UTMPNAME
+#   define UTMP_NAME_FUNCTION utmpname
+#  endif
 # endif
 
+/* Accessor macro for the member named ut_user or ut_name.  */
+# ifdef HAVE_UTMPX_H
+
+#  if HAVE_STRUCT_UTMPX_UT_USER
+#   define UT_USER(Utmp) ((Utmp)->ut_user)
+#  endif
+#  if HAVE_STRUCT_UTMPX_UT_NAME
+#   undef UT_USER
+#   define UT_USER(Utmp) ((Utmp)->ut_name)
+#  endif
+
+# else
+
+#  if HAVE_STRUCT_UTMP_UT_USER
+#   define UT_USER(Utmp) Utmp->ut_user
+#  endif
+#  if HAVE_STRUCT_UTMP_UT_NAME
+#   undef UT_USER
+#   define UT_USER(Utmp) Utmp->ut_name
+#  endif
+
+# endif
+
+# define HAVE_STRUCT_XTMP_UT_EXIT \
+    (HAVE_STRUCT_UTMP_UT_EXIT \
+     || HAVE_STRUCT_UTMPX_UT_EXIT)
+
+# define HAVE_STRUCT_XTMP_UT_ID \
+    (HAVE_STRUCT_UTMP_UT_ID \
+     || HAVE_STRUCT_UTMPX_UT_ID)
+
+# define HAVE_STRUCT_XTMP_UT_PID \
+    (HAVE_STRUCT_UTMP_UT_PID \
+     || HAVE_STRUCT_UTMPX_UT_PID)
+
+# define HAVE_STRUCT_XTMP_UT_TYPE \
+    (HAVE_STRUCT_UTMP_UT_TYPE \
+     || HAVE_STRUCT_UTMPX_UT_TYPE)
+
 typedef struct UTMP_STRUCT_NAME STRUCT_UTMP;
 
 # include <time.h>
@@ -79,15 +130,7 @@ extern int errno;
 #  define WTMP_FILE "/etc/wtmp"
 # endif
 
-# undef PARAMS
-# if defined (__STDC__) && __STDC__
-#  define PARAMS(Args) Args
-# else
-#  define PARAMS(Args) ()
-# endif
-
-extern char *extract_trimmed_name PARAMS ((const STRUCT_UTMP *ut));
-extern int read_utmp PARAMS ((const char *filename,
-                             int *n_entries, STRUCT_UTMP **utmp_buf));
+char *extract_trimmed_name (const STRUCT_UTMP *ut);
+int read_utmp (const char *filename, int *n_entries, STRUCT_UTMP **utmp_buf);
 
 #endif /* __READUTMP_H__ */