1 /* $OpenBSD: frm_opts.c,v 1.10 2023/10/17 09:52:10 nicm Exp $ */
2 /****************************************************************************
3 * Copyright 2020,2021 Thomas E. Dickey *
4 * Copyright 1998-2012,2013 Free Software Foundation, Inc. *
5 * *
6 * Permission is hereby granted, free of charge, to any person obtaining a *
7 * copy of this software and associated documentation files (the *
8 * "Software"), to deal in the Software without restriction, including *
9 * without limitation the rights to use, copy, modify, merge, publish, *
10 * distribute, distribute with modifications, sublicense, and/or sell *
11 * copies of the Software, and to permit persons to whom the Software is *
12 * furnished to do so, subject to the following conditions: *
13 * *
14 * The above copyright notice and this permission notice shall be included *
15 * in all copies or substantial portions of the Software. *
16 * *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
20 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
23 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
24 * *
25 * Except as contained in this notice, the name(s) of the above copyright *
26 * holders shall not be used in advertising or otherwise to promote the *
27 * sale, use or other dealings in this Software without prior written *
28 * authorization. *
29 ****************************************************************************/
30
31 /****************************************************************************
32 * Author: Juergen Pfeifer, 1995,1997 *
33 ****************************************************************************/
34
35 #include "form.priv.h"
36
37 MODULE_ID("$Id: frm_opts.c,v 1.10 2023/10/17 09:52:10 nicm Exp $")
38
39 /*---------------------------------------------------------------------------
40 | Facility : libnform
41 | Function : int set_form_opts(FORM *form, Form_Options opts)
42 |
43 | Description : Turns on the named options and turns off all the
44 | remaining options for that form.
45 |
46 | Return Values : E_OK - success
47 | E_BAD_ARGUMENT - invalid options
48 +--------------------------------------------------------------------------*/
FORM_EXPORT(int)49 FORM_EXPORT(int)
50 set_form_opts(FORM *form, Form_Options opts)
51 {
52 T((T_CALLED("set_form_opts(%p,%d)"), (void *)form, opts));
53
54 opts &= (Form_Options)ALL_FORM_OPTS;
55 if ((unsigned)opts & ~ALL_FORM_OPTS)
56 RETURN(E_BAD_ARGUMENT);
57 else
58 {
59 Normalize_Form(form)->opts = opts;
60 RETURN(E_OK);
61 }
62 }
63
64 /*---------------------------------------------------------------------------
65 | Facility : libnform
66 | Function : Form_Options form_opts(const FORM *)
67 |
68 | Description : Retrieves the current form options.
69 |
70 | Return Values : The option flags.
71 +--------------------------------------------------------------------------*/
72 FORM_EXPORT(Form_Options)
form_opts(const FORM * form)73 form_opts(const FORM *form)
74 {
75 T((T_CALLED("form_opts(%p)"), (const void *)form));
76 returnCode((Form_Options)((unsigned)Normalize_Form(form)->opts & ALL_FORM_OPTS));
77 }
78
79 /*---------------------------------------------------------------------------
80 | Facility : libnform
81 | Function : int form_opts_on(FORM *form, Form_Options opts)
82 |
83 | Description : Turns on the named options; no other options are
84 | changed.
85 |
86 | Return Values : E_OK - success
87 | E_BAD_ARGUMENT - invalid options
88 +--------------------------------------------------------------------------*/
89 FORM_EXPORT(int)
form_opts_on(FORM * form,Form_Options opts)90 form_opts_on(FORM *form, Form_Options opts)
91 {
92 T((T_CALLED("form_opts_on(%p,%d)"), (void *)form, opts));
93
94 opts &= (Form_Options)ALL_FORM_OPTS;
95 if ((unsigned)opts & ~ALL_FORM_OPTS)
96 RETURN(E_BAD_ARGUMENT);
97 else
98 {
99 Normalize_Form(form)->opts |= opts;
100 RETURN(E_OK);
101 }
102 }
103
104 /*---------------------------------------------------------------------------
105 | Facility : libnform
106 | Function : int form_opts_off(FORM *form, Form_Options opts)
107 |
108 | Description : Turns off the named options; no other options are
109 | changed.
110 |
111 | Return Values : E_OK - success
112 | E_BAD_ARGUMENT - invalid options
113 +--------------------------------------------------------------------------*/
114 FORM_EXPORT(int)
form_opts_off(FORM * form,Form_Options opts)115 form_opts_off(FORM *form, Form_Options opts)
116 {
117 T((T_CALLED("form_opts_off(%p,%d)"), (void *)form, opts));
118
119 opts &= (Form_Options)ALL_FORM_OPTS;
120 if ((unsigned)opts & ~ALL_FORM_OPTS)
121 RETURN(E_BAD_ARGUMENT);
122 else
123 {
124 Normalize_Form(form)->opts &= ~opts;
125 RETURN(E_OK);
126 }
127 }
128
129 /* frm_opts.c ends here */
130