#include <regex.h>

#include <stdio.h>

#include <string.h>

#define str "civic"

#define N 10

static const char *expected[N] =

  {

    str, "c", "i", "", "", "", "", "", "", ""

  };

static int

do_test (void)

{

  regex_t rbuf;

  static const char pat[] = "\

^(.?)(.?)(.?)(.?)(.?)(.?)(.?)(.?)(.?).?\\9\\8\\7\\6\\5\\4\\3\\2\\1$";

  int err = regcomp (&rbuf, pat, REG_EXTENDED);

  if (err != 0)

    {

      char errstr[300];

      regerror (err, &rbuf, errstr, sizeof (errstr));

      puts (errstr);

      return err;

    }

  regmatch_t m[N];

  err = regexec (&rbuf, str, N, m, 0);

  if (err != 0)

    {

      puts ("regexec failed");

      return 1;

    }

  int result = 0;

  for (int i = 0; i < N; ++i)

    if (m[i].rm_so == -1)

      {

	printf ("m[%d] unused\n", i);

	result = 1;

      }

    else

      {

	int len = m[i].rm_eo - m[i].rm_so;

	printf ("m[%d] = \"%.*s\"\n", i, len, str + m[i].rm_so);

	if (strlen (expected[i]) != len

	    || memcmp (expected[i], str + m[i].rm_so, len) != 0)

	  result = 1;

      }

  return result;

}

#define TIMEOUT 30

#define TEST_FUNCTION do_test ()

#include "../test-skeleton.c"