src/builtins/true.c

   1 /*
   2     psh/builtins/true.c - builtin true
   3     Copyright 2018 Zhang Maiyun.
   4
   5     This file is part of Psh, P shell.
   6
   7     Psh 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     Psh 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 <https://www.gnu.org/licenses/>.
  19 */
  20
  21 #ifdef HAVE_CONFIG_H
  22 #include "config.h"
  23 #endif
  24
  25 #include "builtin.h"
  26 #include "psh.h"
  27
  28 int builtin_true(ATTRIB_UNUSED int argc, ATTRIB_UNUSED char **argv,
  29                  ATTRIB_UNUSED psh_state *state)
  30 {
  31     return 0;
  32 }
  33
  34 int builtin_false(ATTRIB_UNUSED int argc, ATTRIB_UNUSED char **argv,
  35                   ATTRIB_UNUSED psh_state *state)
  36 {
  37     return 1;
  38 }