kernel/utils/fs/cat.c

   1 /*
   2  *  ZeX/OS
   3  *  Copyright (C) 2007  Tomas 'ZeXx86' Jedrzejek (zexx86@gmail.com)
   4  *  Copyright (C) 2008  Tomas 'ZeXx86' Jedrzejek (zexx86@gmail.com)
   5  *  Copyright (C) 2009  Tomas 'ZeXx86' Jedrzejek (zexx86@gmail.com)
   6  *
   7  *  This program is free software: you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation, either version 3 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21
  22 #include <system.h>
  23 #include <string.h>
  24 #include <vfs.h>
  25
  26 int cat (unsigned char *fi)
  27 {
  28         int i = 0;
  29         DPRINT ("file = %s", fi);
  30
  31         unsigned fi_len = strlen (fi);
  32
  33         if (!fi_len) {
  34                 printf ("cat: invalid filename\n");
  35                 return 0;
  36         }
  37
  38         DPRINT ("fi: '%s' (%d)", fi, fi_len);
  39
  40         int r = vfs_cat (fi, fi_len);
  41
  42         if (r == -2) {
  43                 printf ("No such file: %s\n", fi);
  44                 return 0;
  45         }
  46
  47         return 1;
  48 }