NetBSD/gnu/libexec/uucp/libuuconf/bool.c

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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., 675 Mass Ave, Cambridge, MA 02139, USA.
The author of the program may be contacted at ian@airs.com or
c/o Infinity Development Systems, P.O. Box 520, Waltham, MA 02254.
*/
#include "uucnfi.h"
#if USE_RCS_ID
const char _uuconf_bool_rcsid[] = "$Id: bool.c,v 1.1 1993/08/04 19:33:40 jtc Exp $";
#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;
}