frm_opts.c revision 50276
1/**************************************************************************** 2 * Copyright (c) 1998 Free Software Foundation, Inc. * 3 * * 4 * Permission is hereby granted, free of charge, to any person obtaining a * 5 * copy of this software and associated documentation files (the * 6 * "Software"), to deal in the Software without restriction, including * 7 * without limitation the rights to use, copy, modify, merge, publish, * 8 * distribute, distribute with modifications, sublicense, and/or sell * 9 * copies of the Software, and to permit persons to whom the Software is * 10 * furnished to do so, subject to the following conditions: * 11 * * 12 * The above copyright notice and this permission notice shall be included * 13 * in all copies or substantial portions of the Software. * 14 * * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 22 * * 23 * Except as contained in this notice, the name(s) of the above copyright * 24 * holders shall not be used in advertising or otherwise to promote the * 25 * sale, use or other dealings in this Software without prior written * 26 * authorization. * 27 ****************************************************************************/ 28 29/**************************************************************************** 30 * Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997 * 31 ****************************************************************************/ 32 33#include "form.priv.h" 34 35MODULE_ID("$Id: frm_opts.c,v 1.8 1999/05/16 17:38:05 juergen Exp $") 36 37/*--------------------------------------------------------------------------- 38| Facility : libnform 39| Function : int set_form_opts(FORM *form, Form_Options opts) 40| 41| Description : Turns on the named options and turns off all the 42| remaining options for that form. 43| 44| Return Values : E_OK - success 45| E_BAD_ARGUMENT - invalid options 46+--------------------------------------------------------------------------*/ 47int set_form_opts(FORM * form, Form_Options opts) 48{ 49 opts &= ALL_FORM_OPTS; 50 if (opts & ~ALL_FORM_OPTS) 51 RETURN(E_BAD_ARGUMENT); 52 else 53 { 54 Normalize_Form( form )->opts = opts; 55 RETURN(E_OK); 56 } 57} 58 59/*--------------------------------------------------------------------------- 60| Facility : libnform 61| Function : Form_Options form_opts(const FORM *) 62| 63| Description : Retrieves the current form options. 64| 65| Return Values : The option flags. 66+--------------------------------------------------------------------------*/ 67Form_Options form_opts(const FORM * form) 68{ 69 return (Normalize_Form(form)->opts & ALL_FORM_OPTS); 70} 71 72/*--------------------------------------------------------------------------- 73| Facility : libnform 74| Function : int form_opts_on(FORM *form, Form_Options opts) 75| 76| Description : Turns on the named options; no other options are 77| changed. 78| 79| Return Values : E_OK - success 80| E_BAD_ARGUMENT - invalid options 81+--------------------------------------------------------------------------*/ 82int form_opts_on(FORM * form, Form_Options opts) 83{ 84 opts &= ALL_FORM_OPTS; 85 if (opts & ~ALL_FORM_OPTS) 86 RETURN(E_BAD_ARGUMENT); 87 else 88 { 89 Normalize_Form( form )->opts |= opts; 90 RETURN(E_OK); 91 } 92} 93 94/*--------------------------------------------------------------------------- 95| Facility : libnform 96| Function : int form_opts_off(FORM *form, Form_Options opts) 97| 98| Description : Turns off the named options; no other options are 99| changed. 100| 101| Return Values : E_OK - success 102| E_BAD_ARGUMENT - invalid options 103+--------------------------------------------------------------------------*/ 104int form_opts_off(FORM * form, Form_Options opts) 105{ 106 opts &= ALL_FORM_OPTS; 107 if (opts & ~ALL_FORM_OPTS) 108 RETURN(E_BAD_ARGUMENT); 109 else 110 { 111 Normalize_Form(form)->opts &= ~opts; 112 RETURN(E_OK); 113 } 114} 115 116/* frm_opts.c ends here */ 117