1  /* Copyright (C) 1997-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <getopt.h>
      19  #include <stdio.h>
      20  #include <stdlib.h>
      21  #include <unistd.h>
      22  #include <glob.h>
      23  
      24  int
      25  main (int argc, char *argv[])
      26  {
      27    int i, j;
      28    int glob_flags = 0;
      29    glob_t g;
      30    int quotes = 1;
      31  
      32    g.gl_offs = 0;
      33  
      34    while ((i = getopt (argc, argv, "bcdeEgmopqstT")) != -1)
      35      switch(i)
      36        {
      37        case 'b':
      38  	glob_flags |= GLOB_BRACE;
      39  	break;
      40        case 'c':
      41  	glob_flags |= GLOB_NOCHECK;
      42  	break;
      43        case 'd':
      44  	glob_flags |= GLOB_ONLYDIR;
      45  	break;
      46        case 'e':
      47  	glob_flags |= GLOB_NOESCAPE;
      48  	break;
      49        case 'E':
      50  	glob_flags |= GLOB_ERR;
      51  	break;
      52        case 'g':
      53  	glob_flags |= GLOB_NOMAGIC;
      54  	break;
      55        case 'm':
      56  	glob_flags |= GLOB_MARK;
      57  	break;
      58        case 'o':
      59  	glob_flags |= GLOB_DOOFFS;
      60  	g.gl_offs = 1;
      61  	break;
      62        case 'p':
      63  	glob_flags |= GLOB_PERIOD;
      64  	break;
      65        case 'q':
      66  	quotes = 0;
      67  	break;
      68        case 's':
      69  	glob_flags |= GLOB_NOSORT;
      70  	break;
      71        case 't':
      72  	glob_flags |= GLOB_TILDE;
      73  	break;
      74        case 'T':
      75  	glob_flags |= GLOB_TILDE_CHECK;
      76  	break;
      77        default:
      78  	exit (-1);
      79        }
      80  
      81    if (optind >= argc || chdir (argv[optind]))
      82      exit(1);
      83  
      84    j = optind + 1;
      85    if (optind + 1 >= argc)
      86      exit (1);
      87  
      88    /* Do a glob on each remaining argument.  */
      89    for (j = optind + 1; j < argc; j++) {
      90      i = glob (argv[j], glob_flags, NULL, &g);
      91      if (i != 0)
      92        break;
      93      glob_flags |= GLOB_APPEND;
      94    }
      95  
      96    /* Was there an error? */
      97    if (i == GLOB_NOSPACE)
      98      puts ("GLOB_NOSPACE");
      99    else if (i == GLOB_ABORTED)
     100      puts ("GLOB_ABORTED");
     101    else if (i == GLOB_NOMATCH)
     102      puts ("GLOB_NOMATCH");
     103  
     104    /* If we set an offset, fill in the first field.
     105       (Unless glob() has filled it in already - which is an error) */
     106    if ((glob_flags & GLOB_DOOFFS) && g.gl_pathv[0] == NULL)
     107      g.gl_pathv[0] = (char *) "abc";
     108  
     109    /* Print out the names.  Unless otherwise specified, quote them.  */
     110    if (g.gl_pathv)
     111      {
     112        for (i = 0; i < g.gl_offs + g.gl_pathc; ++i)
     113          printf ("%s%s%s\n", quotes ? "`" : "",
     114  		g.gl_pathv[i] ? g.gl_pathv[i] : "(null)",
     115  		quotes ? "'" : "");
     116      }
     117    return 0;
     118  }