grab some tests from glibc

6 files changed, 909 insertions, 0 deletions

diff --git a/test/misc/bug-readdir1.c b/test/misc/bug-readdir1.c
new file mode 100644
index 000000000..4c3521dbb
--- /dev/null
+++ b/test/misc/bug-readdir1.c
@@ -0,0 +1,38 @@
+#include <dirent.h>
+#include <errno.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+
+int
+main (void)
+{
+  DIR *dirp;
+  struct dirent* ent;
+
+  /* open a dir stream */
+  dirp = opendir ("/tmp");
+  if (dirp == NULL)
+    {
+      if (errno == ENOENT)
+	exit (0);
+
+      perror ("opendir");
+      exit (1);
+    }
+
+  /* close the directory file descriptor, making it invalid */
+  if (close (dirfd (dirp)) != 0)
+    {
+      puts ("could not close directory file descriptor");
+      /* This is not an error.  It is not guaranteed this is possible.  */
+      return 0;
+    }
+
+  ent = readdir (dirp);
+
+  return ent != NULL || errno != EBADF;
+}
diff --git a/test/misc/opendir-tst1.c b/test/misc/opendir-tst1.c
new file mode 100644
index 000000000..983d4b482
--- /dev/null
+++ b/test/misc/opendir-tst1.c
@@ -0,0 +1,95 @@
+/* Copyright (C) 1998, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
+
+   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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+/* Name of the FIFO.  */
+char tmpname[] = "fifoXXXXXX";
+
+
+/* Do the real work.  */
+static int
+real_test (void)
+{
+  DIR *dirp;
+
+  /* This should not block for an FIFO.  */
+  dirp = opendir (tmpname);
+
+  /* Successful.  */
+  if (dirp != NULL)
+    {
+      /* Oh, oh, how can this work?  */
+      fputs ("`opendir' succeeded on a FIFO???\n", stdout);
+      closedir (dirp);
+      return 1;
+    }
+
+  if (errno != ENOTDIR)
+    {
+      fprintf (stdout, "`opendir' return error `%s' instead of `%s'\n",
+	       strerror (errno), strerror (ENOTDIR));
+      return 1;
+    }
+
+  return 0;
+}
+
+
+static int
+do_test (int argc, char *argv[])
+{
+  int retval;
+
+  retval = mkstemp(tmpname);
+  close(retval);
+  unlink(tmpname);
+
+  /* Try to generate a FIFO.  */
+  if (mknod (tmpname, 0600 | S_IFIFO, 0) < 0)
+    {
+      perror ("mknod");
+      /* We cannot make this an error.  */
+      return 0;
+    }
+
+  retval = real_test ();
+
+  remove (tmpname);
+
+  return retval;
+}
+
+
+static void
+do_cleanup (void)
+{
+  remove (tmpname);
+}
+#define CLEANUP_HANDLER do_cleanup ()
+
+
+/* Include the test skeleton.  */
+#include <test-skeleton.c>
diff --git a/test/misc/tst-regex2.c b/test/misc/tst-regex2.c
new file mode 100644
index 000000000..94be59d85
--- /dev/null
+++ b/test/misc/tst-regex2.c
@@ -0,0 +1,244 @@
+#include <fcntl.h>
+#include <locale.h>
+#include <regex.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <time.h>
+#include <unistd.h>
+#include <errno.h>
+
+#undef _POSIX_CPUTIME
+#if defined _POSIX_CPUTIME && _POSIX_CPUTIME >= 0
+static clockid_t cl;
+static int use_clock;
+#endif
+
+static int
+do_test (void)
+{
+#if defined _POSIX_CPUTIME && _POSIX_CPUTIME >= 0
+# if _POSIX_CPUTIME == 0
+  if (sysconf (_SC_CPUTIME) < 0)
+    use_clock = 0;
+  else
+# endif
+    /* See whether we can use the CPU clock.  */
+    use_clock = clock_getcpuclockid (0, &cl) == 0;
+#endif
+
+  static const char *pat[] = {
+    ".?.?.?.?.?.?.?Log\\.13",
+    "(.?)(.?)(.?)(.?)(.?)(.?)(.?)Log\\.13",
+    "((((((((((.?))))))))))((((((((((.?))))))))))((((((((((.?))))))))))"
+    "((((((((((.?))))))))))((((((((((.?))))))))))((((((((((.?))))))))))"
+    "((((((((((.?))))))))))Log\\.13" };
+
+  int fd = open (".regex.ChangeLog.14", O_RDONLY);
+  if (fd < 0)
+    {
+      printf ("Couldn't open .regex.ChangeLog.14: %s\n", strerror(errno));
+      return 1;
+    }
+
+  struct stat64 st;
+  if (fstat64 (fd, &st) < 0)
+    {
+      printf ("Couldn't fstat ChangeLog.14: %s\n", strerror(errno));
+      return 1;
+    }
+
+  char *buf = malloc (st.st_size + 1);
+  if (buf == NULL)
+    {
+      printf ("Couldn't allocate buffer: %s\n", strerror(errno));
+      return 1;
+    }
+
+  if (read (fd, buf, st.st_size) != (ssize_t) st.st_size)
+    {
+      puts ("Couldn't read ChangeLog.14");
+      return 1;
+    }
+
+  close (fd);
+  buf[st.st_size] = '\0';
+
+#ifdef __UCLIBC_HAS_XLOCALE__
+  setlocale (LC_ALL, "de_DE.UTF-8");
+#endif
+
+  char *string = buf;
+  size_t len = st.st_size;
+
+  for (int testno = 0; testno < 4; ++testno)
+    for (int i = 0; i < sizeof (pat) / sizeof (pat[0]); ++i)
+      {
+	printf ("test %d pattern %d", testno, i);
+
+	regex_t rbuf;
+	struct re_pattern_buffer rpbuf;
+	int err;
+	if (testno < 2)
+	  {
+	    err = regcomp (&rbuf, pat[i],
+			   REG_EXTENDED | (testno ? REG_NOSUB : 0));
+	    if (err != 0)
+	      {
+		putchar ('\n');
+		char errstr[300];
+		regerror (err, &rbuf, errstr, sizeof (errstr));
+		puts (errstr);
+		return err;
+	      }
+	  }
+	else
+	  {
+	    re_set_syntax (RE_SYNTAX_POSIX_EGREP
+			   | (testno == 3 ? RE_NO_SUB : 0));
+
+	    memset (&rpbuf, 0, sizeof (rpbuf));
+	    const char *s = re_compile_pattern (pat[i], strlen (pat[i]),
+						&rpbuf);
+	    if (s != NULL)
+	      {
+		printf ("\n%s\n", s);
+		return 1;
+	      }
+
+	    /* Just so that this can be tested with earlier glibc as well.  */
+	    if (testno == 3)
+	      rpbuf.no_sub = 1;
+	  }
+
+#if defined _POSIX_CPUTIME && _POSIX_CPUTIME >= 0
+      struct timespec start, stop;
+      if (use_clock)
+	use_clock = clock_gettime (cl, &start) == 0;
+#endif
+
+      if (testno < 2)
+	{
+	  regmatch_t pmatch[71];
+	  err = regexec (&rbuf, string, 71, pmatch, 0);
+	  if (err == REG_NOMATCH)
+	    {
+	      puts ("\nregexec failed");
+	      return 1;
+	    }
+
+	  if (testno == 0)
+	    {
+	      if (pmatch[0].rm_eo != pmatch[0].rm_so + 13
+		  || pmatch[0].rm_eo > len
+		  || pmatch[0].rm_so < len - 100
+		  || strncmp (string + pmatch[0].rm_so,
+			      " ChangeLog.13 for earlier changes",
+			      sizeof " ChangeLog.13 for earlier changes" - 1)
+		     != 0)
+		{
+		  puts ("\nregexec without REG_NOSUB did not find the correct match");
+		  return 1;
+		}
+
+	      if (i > 0)
+		for (int j = 0, l = 1; j < 7; ++j)
+		  for (int k = 0; k < (i == 1 ? 1 : 10); ++k, ++l)
+		    if (pmatch[l].rm_so != pmatch[0].rm_so + j
+			|| pmatch[l].rm_eo != pmatch[l].rm_so + 1)
+		      {
+			printf ("\npmatch[%d] incorrect\n", l);
+			return 1;
+		      }
+	    }
+	}
+      else
+	{
+	  struct re_registers regs;
+
+	  memset (&regs, 0, sizeof (regs));
+	  int match = re_search (&rpbuf, string, len, 0, len,
+				 &regs);
+	  if (match < 0)
+	    {
+	      puts ("\nre_search failed");
+	      return 1;
+	    }
+
+	  if (match + 13 > len
+	      || match < len - 100
+	      || strncmp (string + match,
+			  " ChangeLog.13 for earlier changes",
+			  sizeof " ChangeLog.13 for earlier changes" - 1)
+		  != 0)
+	    {
+	      puts ("\nre_search did not find the correct match");
+	      return 1;
+	    }
+
+	  if (testno == 2)
+	    {
+	      if (regs.num_regs != 2 + (i == 0 ? 0 : i == 1 ? 7 : 70))
+		{
+		  printf ("\nincorrect num_regs %d\n", regs.num_regs);
+		  return 1;
+		}
+
+	      if (regs.start[0] != match || regs.end[0] != match + 13)
+		{
+		  printf ("\nincorrect regs.{start,end}[0] = { %d, %d}\n",
+			  regs.start[0], regs.end[0]);
+		  return 1;
+		}
+
+	      if (regs.start[regs.num_regs - 1] != -1
+		  || regs.end[regs.num_regs - 1] != -1)
+		{
+		  puts ("\nincorrect regs.{start,end}[num_regs - 1]");
+		  return 1;
+		}
+
+	      if (i > 0)
+		for (int j = 0, l = 1; j < 7; ++j)
+		  for (int k = 0; k < (i == 1 ? 1 : 10); ++k, ++l)
+		    if (regs.start[l] != match + j
+			|| regs.end[l] != regs.start[l] + 1)
+		      {
+			printf ("\nregs.{start,end}[%d] incorrect\n", l);
+			return 1;
+		      }
+	    }
+	}
+
+#if defined _POSIX_CPUTIME && _POSIX_CPUTIME >= 0
+      if (use_clock)
+	use_clock = clock_gettime (cl, &stop) == 0;
+      if (use_clock)
+	{
+	  stop.tv_sec -= start.tv_sec;
+	  if (stop.tv_nsec < start.tv_nsec)
+	    {
+	      stop.tv_sec--;
+	      stop.tv_nsec += 1000000000 - start.tv_nsec;
+	    }
+	  else
+	    stop.tv_nsec -= start.tv_nsec;
+	  printf (": %ld.%09lds\n", (long) stop.tv_sec, (long) stop.tv_nsec);
+	}
+      else
+#endif
+	putchar ('\n');
+
+      if (testno < 2)
+	regfree (&rbuf);
+      else
+	regfree (&rpbuf);
+    }
+
+  return 0;
+}
+
+#define TIMEOUT 20
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
diff --git a/test/misc/tst-regexloc.c b/test/misc/tst-regexloc.c
new file mode 100644
index 000000000..034fee706
--- /dev/null
+++ b/test/misc/tst-regexloc.c
@@ -0,0 +1,48 @@
+/* Copyright (C) 2001 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sys/types.h>
+#include <regex.h>
+#include <locale.h>
+#include <stdio.h>
+
+int
+main (int argc, char *argv[])
+{
+#ifdef __UCLIBC_HAS_XLOCALE__
+  regex_t re;
+  regmatch_t mat[1];
+  int res = 1;
+
+  if (setlocale (LC_ALL, "de_DE.ISO-8859-1") == NULL)
+    puts ("cannot set locale");
+  else if (regcomp (&re, "[a-f]*", 0) != REG_NOERROR)
+    puts ("cannot compile expression \"[a-f]*\"");
+  else if (regexec (&re, "abcdefCDEF", 1, mat, 0) == REG_NOMATCH)
+    puts ("no match");
+  else
+    {
+      printf ("match from %d to %d\n", mat[0].rm_so, mat[0].rm_eo);
+      res = mat[0].rm_so != 0 || mat[0].rm_eo != 6;
+    }
+
+  return res;
+#else
+  return 0;
+#endif
+}
diff --git a/test/misc/tst-seekdir.c b/test/misc/tst-seekdir.c
new file mode 100644
index 000000000..5a2810abd
--- /dev/null
+++ b/test/misc/tst-seekdir.c
@@ -0,0 +1,80 @@
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <dirent.h>
+#include <stdlib.h>
+
+int
+main (int argc, char *argv[])
+{
+  DIR * dirp;
+  long int save3 = 0;
+  long int cur;
+  int i = 0;
+  int result = 0;
+  struct dirent *dp;
+  long int save0;
+  long int rewind;
+
+  dirp = opendir (".");
+  if (dirp == NULL)
+    {
+      printf ("opendir failed: %s\n", strerror(errno));
+      return 1;
+    }
+
+  save0 = telldir (dirp);
+  if (save0 == -1)
+    {
+      printf ("telldir failed: %s\n", strerror(errno));
+      result = 1;
+    }
+
+  for (dp = readdir (dirp); dp != NULL; dp = readdir (dirp))
+    {
+      /* save position 3 (after fourth entry) */
+      if (i++ == 3)
+	save3 = telldir (dirp);
+
+      printf ("%s\n", dp->d_name);
+
+      /* stop at 400 (just to make sure dirp->__offset and dirp->__size are
+	 scrambled */
+      if (i == 400)
+	break;
+    }
+
+  printf ("going back past 4-th entry...\n");
+
+  /* go back to saved entry */
+  seekdir (dirp, save3);
+
+  /* Check whether telldir equals to save3 now.  */
+  cur = telldir (dirp);
+  if (cur != save3)
+    {
+      printf ("seekdir (d, %ld); telldir (d) == %ld\n", save3, cur);
+      result = 1;
+    }
+
+  /* print remaining files (3-last) */
+  for (dp = readdir (dirp); dp != NULL; dp = readdir (dirp))
+    printf ("%s\n", dp->d_name);
+
+  /* Check rewinddir */
+  rewinddir (dirp);
+  rewind = telldir (dirp);
+  if (rewind == -1)
+    {
+      printf ("telldir failed: %s\n", strerror(errno));
+      result = 1;
+    }
+  else if (save0 != rewind)
+    {
+      printf ("rewinddir didn't reset directory stream\n");
+      result = 1;
+    }
+
+  closedir (dirp);
+  return result;
+}
diff --git a/test/misc/tst-utmp.c b/test/misc/tst-utmp.c
new file mode 100644
index 000000000..12a208855
--- /dev/null
+++ b/test/misc/tst-utmp.c
@@ -0,0 +1,404 @@
+/* Tests for UTMP functions.
+   Copyright (C) 1998, 2001-2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Mark Kettenis <kettenis@phys.uva.nl>, 1998.
+
+   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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <error.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <time.h>
+
+#ifdef UTMPX
+# include <utmpx.h>
+# define utmp utmpx
+# define utmpname utmpxname
+# define setutent setutxent
+# define getutent getutxent
+# define endutent endutxent
+# define getutline getutxline
+# define getutid getutxid
+# define pututline pututxline
+#else
+# include <utmp.h>
+#endif
+
+
+#if _HAVE_UT_TYPE || defined UTMPX
+
+/* Prototype for our test function.  */
+static int do_test (int argc, char *argv[]);
+
+/* We have a preparation function.  */
+static void do_prepare (int argc, char *argv[]);
+#define PREPARE do_prepare
+
+/* This defines the `main' function and some more.  */
+#include <test-skeleton.c>
+
+
+/* These are for the temporary file we generate.  */
+char *name;
+int fd;
+
+static void
+do_prepare (int argc, char *argv[])
+{
+  size_t name_len;
+
+  name_len = strlen (test_dir);
+  name = malloc (name_len + sizeof ("/utmpXXXXXX"));
+  mempcpy (mempcpy (name, test_dir, name_len),
+	   "/utmpXXXXXX", sizeof ("/utmpXXXXXX"));
+  add_temp_file (name);
+
+  /* Open our test file.  */
+  fd = mkstemp (name);
+  if (fd == -1)
+    error (EXIT_FAILURE, errno, "cannot open test file `%s'", name);
+}
+
+struct utmp entry[] =
+{
+#if _HAVE_UT_TV || defined UTMPX
+#define UT(a)  .ut_tv = { .tv_sec = (a)}
+#else
+#define UT(a)  .ut_time = (a)
+#endif
+
+  { .ut_type = BOOT_TIME, .ut_pid = 1, UT(1000) },
+  { .ut_type = RUN_LVL, .ut_pid = 1, UT(2000) },
+  { .ut_type = INIT_PROCESS, .ut_pid = 5, .ut_id = "si", UT(3000) },
+  { .ut_type = LOGIN_PROCESS, .ut_pid = 23, .ut_line = "tty1", .ut_id = "1",
+    .ut_user = "LOGIN", UT(4000) },
+  { .ut_type = USER_PROCESS, .ut_pid = 24, .ut_line = "tty2", .ut_id = "2",
+    .ut_user = "albert", UT(8000) },
+  { .ut_type = USER_PROCESS, .ut_pid = 196, .ut_line = "ttyp0", .ut_id = "p0",
+    .ut_user = "niels", UT(10000) },
+  { .ut_type = DEAD_PROCESS, .ut_line = "ttyp1", .ut_id = "p1", UT(16000) },
+  { .ut_type = EMPTY },
+  { .ut_type = EMPTY }
+};
+int num_entries = sizeof entry / sizeof (struct utmp);
+
+time_t entry_time = 20000;
+pid_t entry_pid = 234;
+
+static int
+do_init (void)
+{
+  int n;
+
+  setutent ();
+
+  for (n = 0; n < num_entries; n++)
+    {
+      if (pututline (&entry[n]) == NULL)
+	{
+	  error (0, errno, "cannot write UTMP entry");
+	  return 1;
+	}
+    }
+
+  endutent ();
+
+  return 0;
+}
+
+
+static int
+do_check (void)
+{
+  struct utmp *ut;
+  int n;
+
+  setutent ();
+
+  n = 0;
+  while ((ut = getutent ()))
+    {
+      if (n < num_entries &&
+	  memcmp (ut, &entry[n], sizeof (struct utmp)))
+	{
+	  error (0, 0, "UTMP entry does not match");
+	  return 1;
+	}
+
+      n++;
+    }
+
+  if (n != num_entries)
+    {
+      error (0, 0, "number of UTMP entries is incorrect");
+      return 1;
+    }
+
+  endutent ();
+
+  return 0;
+}
+
+static int
+simulate_login (const char *line, const char *user)
+{
+  int n;
+
+  for (n = 0; n < num_entries; n++)
+    {
+      if (strcmp (line, entry[n].ut_line) == 0 ||
+	  entry[n].ut_type == DEAD_PROCESS)
+	{
+	  if (entry[n].ut_pid == DEAD_PROCESS)
+	    entry[n].ut_pid = (entry_pid += 27);
+	  entry[n].ut_type = USER_PROCESS;
+	  strncpy (entry[n].ut_user, user, sizeof (entry[n].ut_user));
+#if _HAVE_UT_TV - 0 || defined UTMPX
+	  entry[n].ut_tv.tv_sec = (entry_time += 1000);
+#else
+          entry[n].ut_time = (entry_time += 1000);
+#endif
+	  setutent ();
+
+	  if (pututline (&entry[n]) == NULL)
+	    {
+	      error (0, errno, "cannot write UTMP entry");
+	      return 1;
+	    }
+
+	  endutent ();
+
+	  return 0;
+	}
+    }
+
+  error (0, 0, "no entries available");
+  return 1;
+}
+
+static int
+simulate_logout (const char *line)
+{
+  int n;
+
+  for (n = 0; n < num_entries; n++)
+    {
+      if (strcmp (line, entry[n].ut_line) == 0)
+	{
+	  entry[n].ut_type = DEAD_PROCESS;
+	  strncpy (entry[n].ut_user, "", sizeof (entry[n].ut_user));
+#if _HAVE_UT_TV - 0 || defined UTMPX
+          entry[n].ut_tv.tv_sec = (entry_time += 1000);
+#else
+          entry[n].ut_time = (entry_time += 1000);
+#endif
+	  setutent ();
+
+	  if (pututline (&entry[n]) == NULL)
+	    {
+	      error (0, errno, "cannot write UTMP entry");
+	      return 1;
+	    }
+
+	  endutent ();
+
+	  return 0;
+	}
+    }
+
+  error (0, 0, "no entry found for `%s'", line);
+  return 1;
+}
+
+static int
+check_login (const char *line)
+{
+  struct utmp *up;
+  struct utmp ut;
+  int n;
+
+  setutent ();
+
+  strcpy (ut.ut_line, line);
+  up = getutline (&ut);
+  if (up == NULL)
+    {
+      error (0, errno, "cannot get entry for line `%s'", line);
+      return 1;
+    }
+
+  endutent ();
+
+  for (n = 0; n < num_entries; n++)
+    {
+      if (strcmp (line, entry[n].ut_line) == 0)
+	{
+	  if (memcmp (up, &entry[n], sizeof (struct utmp)))
+	    {
+	      error (0, 0, "UTMP entry does not match");
+	      return 1;
+	    }
+
+	  return 0;
+	}
+    }
+
+  error (0, 0, "bogus entry for line `%s'", line);
+  return 1;
+}
+
+static int
+check_logout (const char *line)
+{
+  struct utmp ut;
+
+  setutent ();
+
+  strcpy (ut.ut_line, line);
+  if (getutline (&ut) != NULL)
+    {
+      error (0, 0, "bogus login entry for `%s'", line);
+      return 1;
+    }
+
+  endutent ();
+
+  return 0;
+}
+
+static int
+check_id (const char *id)
+{
+  struct utmp *up;
+  struct utmp ut;
+  int n;
+
+  setutent ();
+
+  ut.ut_type = USER_PROCESS;
+  strcpy (ut.ut_id, id);
+  up = getutid (&ut);
+  if (up == NULL)
+    {
+      error (0, errno, "cannot get entry for ID `%s'", id);
+      return 1;
+    }
+
+  endutent ();
+
+  for (n = 0; n < num_entries; n++)
+    {
+      if (strcmp (id, entry[n].ut_id) == 0)
+	{
+	  if (memcmp (up, &entry[n], sizeof (struct utmp)))
+	    {
+	      error (0, 0, "UTMP entry does not match");
+	      return 1;
+	    }
+
+	  return 0;
+	}
+    }
+
+  error (0, 0, "bogus entry for ID `%s'", id);
+  return 1;
+}
+
+static int
+check_type (int type)
+{
+  struct utmp *up;
+  struct utmp ut;
+  int n;
+
+  setutent ();
+
+  ut.ut_type = type;
+  up = getutid (&ut);
+  if (up == NULL)
+    {
+      error (0, errno, "cannot get entry for type `%d'", type);
+      return 1;
+    }
+
+  endutent ();
+
+  for (n = 0; n < num_entries; n++)
+    {
+      if (type == entry[n].ut_type)
+	{
+	  if (memcmp (up, &entry[n], sizeof (struct utmp)))
+	    {
+	      error (0, 0, "UTMP entry does not match");
+	      return 1;
+	    }
+
+	  return 0;
+	}
+    }
+
+  error (0, 0, "bogus entry for type `%d'", type);
+  return 1;
+}
+
+static int
+do_test (int argc, char *argv[])
+{
+  int result = 0;
+
+  utmpname (name);
+
+  result |= do_init ();
+  result |= do_check ();
+
+  result |= simulate_login ("tty1", "erwin");
+  result |= do_check ();
+
+  result |= simulate_login ("ttyp1", "paul");
+  result |= do_check ();
+
+  result |= simulate_logout ("tty2");
+  result |= do_check ();
+
+  result |= simulate_logout ("ttyp0");
+  result |= do_check ();
+
+  result |= simulate_login ("ttyp2", "richard");
+  result |= do_check ();
+
+  result |= check_login ("tty1");
+  result |= check_logout ("ttyp0");
+  result |= check_id ("p1");
+  result |= check_id ("2");
+  result |= check_id ("si");
+  result |= check_type (BOOT_TIME);
+  result |= check_type (RUN_LVL);
+
+  return result;
+}
+
+#else
+
+/* No field 'ut_type' in struct utmp.  */
+int
+main ()
+{
+  return 0;
+}
+
+#endif