Don't redeclare strsep if the system already has it.

[gnulib.git] / lib / readutmp.h

diff --git a/lib/readutmp.h b/lib/readutmp.h
index d122987..100db19 100644 (file)
--- a/lib/readutmp.h
+++ b/lib/readutmp.h
@@ -1,7 +1,7 @@
 /* Declarations for GNU's read utmp module.
 
    Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-   2001, 2002, 2003 Free Software Foundation, Inc.
+   2001, 2002, 2003, 2004 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
@@ -24,6 +24,13 @@
 
 # include <sys/types.h>
 
+/* AIX 4.3.3 has both utmp.h and utmpx.h, but only struct utmp
+   has the ut_exit member.  */
+# if (HAVE_UTMPX_H && HAVE_UTMP_H && HAVE_STRUCT_UTMP_UT_EXIT \
+      && ! HAVE_STRUCT_UTMPX_UT_EXIT)
+#  undef HAVE_UTMPX_H
+# endif
+
 # ifdef HAVE_UTMPX_H
 #  ifdef HAVE_UTMP_H
     /* HPUX 10.20 needs utmp.h, for the definition of e.g., UTMP_FILE.  */
@@ -38,6 +45,27 @@
 #  ifdef HAVE_UTMPXNAME
 #   define UTMP_NAME_FUNCTION utmpxname
 #  endif
+
+#  if HAVE_STRUCT_UTMPX_UT_EXIT_E_TERMINATION
+#   define UT_EXIT_E_TERMINATION(U) ((U)->ut_exit.e_termination)
+#  else
+#   if HAVE_STRUCT_UTMPX_UT_EXIT_UT_TERMINATION
+#    define UT_EXIT_E_TERMINATION(U) ((U)->ut_exit.ut_termination)
+#   else
+#    define UT_EXIT_E_TERMINATION(U) 0
+#   endif
+#  endif
+
+#  if HAVE_STRUCT_UTMPX_UT_EXIT_E_EXIT
+#   define UT_EXIT_E_EXIT(U) ((U)->ut_exit.e_exit)
+#  else
+#   if HAVE_STRUCT_UTMPX_UT_EXIT_UT_EXIT
+#    define UT_EXIT_E_EXIT(U) ((U)->ut_exit.ut_exit)
+#   else
+#    define UT_EXIT_E_EXIT(U) 0
+#   endif
+#  endif
+
 # else
 #  include <utmp.h>
 #  if !HAVE_DECL_GETUTENT
@@ -51,6 +79,27 @@
 #  ifdef HAVE_UTMPNAME
 #   define UTMP_NAME_FUNCTION utmpname
 #  endif
+
+#  if HAVE_STRUCT_UTMP_UT_EXIT_E_TERMINATION
+#   define UT_EXIT_E_TERMINATION(U) ((U)->ut_exit.e_termination)
+#  else
+#   if HAVE_STRUCT_UTMP_UT_EXIT_UT_TERMINATION
+#    define UT_EXIT_E_TERMINATION(U) ((U)->ut_exit.ut_termination)
+#   else
+#    define UT_EXIT_E_TERMINATION(U) 0
+#   endif
+#  endif
+
+#  if HAVE_STRUCT_UTMP_UT_EXIT_E_EXIT
+#   define UT_EXIT_E_EXIT(U) ((U)->ut_exit.e_exit)
+#  else
+#   if HAVE_STRUCT_UTMP_UT_EXIT_UT_EXIT
+#    define UT_EXIT_E_EXIT(U) ((U)->ut_exit.ut_exit)
+#   else
+#    define UT_EXIT_E_EXIT(U) 0
+#   endif
+#  endif
+
 # endif
 
 /* Accessor macro for the member named ut_user or ut_name.  */
@@ -67,11 +116,11 @@
 # else
 
 #  if HAVE_STRUCT_UTMP_UT_USER
-#   define UT_USER(Utmp) 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
+#   define UT_USER(Utmp) ((Utmp)->ut_name)
 #  endif
 
 # endif
@@ -94,6 +143,8 @@
 
 typedef struct UTMP_STRUCT_NAME STRUCT_UTMP;
 
+enum { UT_USER_SIZE = sizeof UT_USER ((STRUCT_UTMP *) 0) };
+
 # include <time.h>
 # ifdef HAVE_SYS_PARAM_H
 #  include <sys/param.h>
@@ -131,6 +182,6 @@ extern int errno;
 # endif
 
 char *extract_trimmed_name (const STRUCT_UTMP *ut);
-int read_utmp (const char *filename, int *n_entries, STRUCT_UTMP **utmp_buf);
+int read_utmp (const char *filename, size_t *n_entries, STRUCT_UTMP **utmp_buf);
 
 #endif /* __READUTMP_H__ */