/* Copyright (C) 1997-2018 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/>.  */

#include <getopt.h>

#include <stdio.h>

#include <stdlib.h>

#include <unistd.h>

#include <glob.h>

int

main (int argc, char *argv[])

{

  int i, j;

  int glob_flags = 0;

  glob_t g;

  int quotes = 1;

  g.gl_offs = 0;

  while ((i = getopt (argc, argv, "bcdeEgmopqstT")) != -1)

    switch(i)

      {

      case 'b':

	glob_flags |= GLOB_BRACE;

	break;

      case 'c':

	glob_flags |= GLOB_NOCHECK;

	break;

      case 'd':

	glob_flags |= GLOB_ONLYDIR;

	break;

      case 'e':

	glob_flags |= GLOB_NOESCAPE;

	break;

      case 'E':

	glob_flags |= GLOB_ERR;

	break;

      case 'g':

	glob_flags |= GLOB_NOMAGIC;

	break;

      case 'm':

	glob_flags |= GLOB_MARK;

	break;

      case 'o':

	glob_flags |= GLOB_DOOFFS;

	g.gl_offs = 1;

	break;

      case 'p':

	glob_flags |= GLOB_PERIOD;

	break;

      case 'q':

	quotes = 0;

	break;

      case 's':

	glob_flags |= GLOB_NOSORT;

	break;

      case 't':

	glob_flags |= GLOB_TILDE;

	break;

      case 'T':

	glob_flags |= GLOB_TILDE_CHECK;

	break;

      default:

	exit (-1);

      }

  if (optind >= argc || chdir (argv[optind]))

    exit(1);

  j = optind + 1;

  if (optind + 1 >= argc)

    exit (1);

  /* Do a glob on each remaining argument.  */

  for (j = optind + 1; j < argc; j++) {

    i = glob (argv[j], glob_flags, NULL, &g);

    if (i != 0)

      break;

    glob_flags |= GLOB_APPEND;

  }

  /* Was there an error? */

  if (i == GLOB_NOSPACE)

    puts ("GLOB_NOSPACE");

  else if (i == GLOB_ABORTED)

    puts ("GLOB_ABORTED");

  else if (i == GLOB_NOMATCH)

    puts ("GLOB_NOMATCH");

  /* If we set an offset, fill in the first field.

     (Unless glob() has filled it in already - which is an error) */

  if ((glob_flags & GLOB_DOOFFS) && g.gl_pathv[0] == NULL)

    g.gl_pathv[0] = (char *) "abc";

  /* Print out the names.  Unless otherwise specified, qoute them.  */

  if (g.gl_pathv)

    {

      for (i = 0; i < g.gl_offs + g.gl_pathc; ++i)

        printf ("%s%s%s\n", quotes ? "`" : "",

		g.gl_pathv[i] ? g.gl_pathv[i] : "(null)",

		quotes ? "'" : "");

    }

  return 0;

}