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/* bool.c
   Parse a boolean string into a variable.

   Copyright (C) 1992 Ian Lance Taylor

   This file is part of the Taylor UUCP uuconf library.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License
   as published by the Free Software Foundation; either version 2 of
   the License, or (at your option) any later version.

   This 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with this library; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

   The author of the program may be contacted at ian@airs.com or
   c/o Cygnus Support, 48 Grove Street, Somerville, MA 02144.
   */

#include "uucnfi.h"

#if USE_RCS_ID
const char _uuconf_bool_rcsid[] = "$Id: bool.c,v 1.5 1995/06/21 19:21:39 ian Rel $";
#endif

/* Parse a boolean string into a variable.  This is called by
   uuconf_cmd_args, as well as other functions.  The parsing is done
   in a single place to make it easy to change.  This should return an
   error code, including both UUCONF_CMDTABRET_KEEP and
   UUCONF_CMDTABRET_EXIT if appropriate.  */

/*ARGSIGNORED*/
int
_uuconf_iboolean (qglobal, zval, pi)
     struct sglobal *qglobal;
     const char *zval;
     boolean *pi;
{
  switch (*zval)
    {
    case 'y':
    case 'Y':
    case 't':
    case 'T':
      *pi = TRUE;
      break;
    case 'n':
    case 'N':
    case 'f':
    case 'F':
      *pi = FALSE;
      break;
    default:
      return UUCONF_SYNTAX_ERROR | UUCONF_CMDTABRET_EXIT;
    }

  return UUCONF_CMDTABRET_CONTINUE;
}		    
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