login: Assume that _HAVE_UT_* constants are true

Make the GNU version of bits/utmp.h the generic version because
all remaining ports use it (with a sysdeps override for
Linux s390/s390x).

2 files changed, 12 insertions, 148 deletions

diff --git a/sysdeps/generic/utmp-equal.h b/sysdeps/generic/utmp-equal.h
index d077147a7a..d61cbb3300 100644
--- a/sysdeps/generic/utmp-equal.h
+++ b/sysdeps/generic/utmp-equal.h
@@ -27,26 +27,16 @@
 static int
 __utmp_equal (const struct utmp *entry, const struct utmp *match)
 {
-  return
-    (
-#if _HAVE_UT_TYPE - 0
-     (entry->ut_type == INIT_PROCESS
-      || entry->ut_type == LOGIN_PROCESS
-      || entry->ut_type == USER_PROCESS
-      || entry->ut_type == DEAD_PROCESS)
-     &&
-     (match->ut_type == INIT_PROCESS
-      || match->ut_type == LOGIN_PROCESS
-      || match->ut_type == USER_PROCESS
-      || match->ut_type == DEAD_PROCESS)
-     &&
-#endif
-#if _HAVE_UT_ID - 0
-     (entry->ut_id[0] && match->ut_id[0]
-      ? strncmp (entry->ut_id, match->ut_id, sizeof match->ut_id) == 0
-      : strncmp (entry->ut_line, match->ut_line, sizeof match->ut_line) == 0)
-#else
-     strncmp (entry->ut_line, match->ut_line, sizeof match->ut_line) == 0
-#endif
-     );
+  return (entry->ut_type == INIT_PROCESS
+          || entry->ut_type == LOGIN_PROCESS
+          || entry->ut_type == USER_PROCESS
+          || entry->ut_type == DEAD_PROCESS)
+    && (match->ut_type == INIT_PROCESS
+        || match->ut_type == LOGIN_PROCESS
+        || match->ut_type == USER_PROCESS
+        || match->ut_type == DEAD_PROCESS)
+    && (entry->ut_id[0] && match->ut_id[0]
+        ? strncmp (entry->ut_id, match->ut_id, sizeof match->ut_id) == 0
+        : (strncmp (entry->ut_line, match->ut_line, sizeof match->ut_line)
+           == 0));
 }
diff --git a/sysdeps/gnu/bits/utmp.h b/sysdeps/gnu/bits/utmp.h
deleted file mode 100644
index 7357034cb6..0000000000
--- a/sysdeps/gnu/bits/utmp.h
+++ /dev/null
@@ -1,126 +0,0 @@
-/* The `struct utmp' type, describing entries in the utmp file.  GNU version.
-   Copyright (C) 1993-2019 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _UTMP_H
-# error "Never include <bits/utmp.h> directly; use <utmp.h> instead."
-#endif
-
-#include <paths.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <bits/wordsize.h>
-
-
-#define UT_LINESIZE	32
-#define UT_NAMESIZE	32
-#define UT_HOSTSIZE	256
-
-
-/* The structure describing an entry in the database of
-   previous logins.  */
-struct lastlog
-  {
-#if __WORDSIZE_TIME64_COMPAT32
-    int32_t ll_time;
-#else
-    __time_t ll_time;
-#endif
-    char ll_line[UT_LINESIZE];
-    char ll_host[UT_HOSTSIZE];
-  };
-
-
-/* The structure describing the status of a terminated process.  This
-   type is used in `struct utmp' below.  */
-struct exit_status
-  {
-    short int e_termination;	/* Process termination status.  */
-    short int e_exit;		/* Process exit status.  */
-  };
-
-
-/* The structure describing an entry in the user accounting database.  */
-struct utmp
-{
-  short int ut_type;		/* Type of login.  */
-  pid_t ut_pid;			/* Process ID of login process.  */
-  char ut_line[UT_LINESIZE]
-    __attribute_nonstring__;	/* Devicename.  */
-  char ut_id[4];		/* Inittab ID.  */
-  char ut_user[UT_NAMESIZE]
-    __attribute_nonstring__;	/* Username.  */
-  char ut_host[UT_HOSTSIZE]
-    __attribute_nonstring__;	/* Hostname for remote login.  */
-  struct exit_status ut_exit;	/* Exit status of a process marked
-				   as DEAD_PROCESS.  */
-/* The ut_session and ut_tv fields must be the same size when compiled
-   32- and 64-bit.  This allows data files and shared memory to be
-   shared between 32- and 64-bit applications.  */
-#if __WORDSIZE_TIME64_COMPAT32
-  int32_t ut_session;		/* Session ID, used for windowing.  */
-  struct
-  {
-    int32_t tv_sec;		/* Seconds.  */
-    int32_t tv_usec;		/* Microseconds.  */
-  } ut_tv;			/* Time entry was made.  */
-#else
-  long int ut_session;		/* Session ID, used for windowing.  */
-  struct timeval ut_tv;		/* Time entry was made.  */
-#endif
-
-  int32_t ut_addr_v6[4];	/* Internet address of remote host.  */
-  char __glibc_reserved[20];		/* Reserved for future use.  */
-};
-
-/* Backwards compatibility hacks.  */
-#define ut_name		ut_user
-#ifndef _NO_UT_TIME
-/* We have a problem here: `ut_time' is also used otherwise.  Define
-   _NO_UT_TIME if the compiler complains.  */
-# define ut_time	ut_tv.tv_sec
-#endif
-#define ut_xtime	ut_tv.tv_sec
-#define ut_addr		ut_addr_v6[0]
-
-
-/* Values for the `ut_type' field of a `struct utmp'.  */
-#define EMPTY		0	/* No valid user accounting information.  */
-
-#define RUN_LVL		1	/* The system's runlevel.  */
-#define BOOT_TIME	2	/* Time of system boot.  */
-#define NEW_TIME	3	/* Time after system clock changed.  */
-#define OLD_TIME	4	/* Time when system clock changed.  */
-
-#define INIT_PROCESS	5	/* Process spawned by the init process.  */
-#define LOGIN_PROCESS	6	/* Session leader of a logged in user.  */
-#define USER_PROCESS	7	/* Normal process.  */
-#define DEAD_PROCESS	8	/* Terminated process.  */
-
-#define ACCOUNTING	9
-
-/* Old Linux name for the EMPTY type.  */
-#define UT_UNKNOWN	EMPTY
-
-
-/* Tell the user that we have a modern system with UT_HOST, UT_PID,
-   UT_TYPE, UT_ID and UT_TV fields.  */
-#define _HAVE_UT_TYPE	1
-#define _HAVE_UT_PID	1
-#define _HAVE_UT_ID	1
-#define _HAVE_UT_TV	1
-#define _HAVE_UT_HOST	1