builtins/colon.def

   1 This file is colon.def, from which is created colon.c.
   2 It implements the builtin ":" in Bash.
   3
   4 Copyright (C) 1987, 1989, 1991 Free Software Foundation, Inc.
   5
   6 This file is part of GNU Bash, the Bourne Again SHell.
   7
   8 Bash is free software; you can redistribute it and/or modify it under
   9 the terms of the GNU General Public License as published by the Free
  10 Software Foundation; either version 1, or (at your option) any later
  11 version.
  12
  13 Bash is distributed in the hope that it will be useful, but WITHOUT ANY
  14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  16 for more details.
  17
  18 You should have received a copy of the GNU General Public License along
  19 with Bash; see the file COPYING.  If not, write to the Free Software
  20 Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  21
  22 $PRODUCES colon.c
  23
  24 $BUILTIN :
  25 $DOCNAME colon_builtin
  26 $FUNCTION colon_builtin
  27 $SHORT_DOC :
  28 No effect; the command does nothing.  A zero exit code is returned.
  29 $END
  30
  31 $BUILTIN true
  32 $DOCNAME true_builtin
  33 $FUNCTION colon_builtin
  34 $SHORT_DOC true
  35 Return a successful result.
  36 $END
  37
  38 $BUILTIN false
  39 $DOCNAME false_builtin
  40 $FUNCTION false_builtin
  41 $SHORT_DOC false
  42 Return an unsuccessful result.
  43 $END
  44
  45 /* Return a successful result. */
  46 int
  47 colon_builtin (ignore)
  48      char *ignore;
  49 {
  50   return (0);
  51 }
  52
  53 /* Return an unsuccessful result. */
  54 int
  55 false_builtin (ignore)
  56      char *ignore;
  57 {
  58   return (1);
  59 }