1 /****************************************************************************
2 * Copyright 2020,2021 Thomas E. Dickey *
3 * Copyright 1998-2012,2013 Free Software Foundation, Inc. *
4 * *
5 * Permission is hereby granted, free of charge, to any person obtaining a *
6 * copy of this software and associated documentation files (the *
7 * "Software"), to deal in the Software without restriction, including *
8 * without limitation the rights to use, copy, modify, merge, publish, *
9 * distribute, distribute with modifications, sublicense, and/or sell *
10 * copies of the Software, and to permit persons to whom the Software is *
11 * furnished to do so, subject to the following conditions: *
12 * *
13 * The above copyright notice and this permission notice shall be included *
14 * in all copies or substantial portions of the Software. *
15 * *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 * *
24 * Except as contained in this notice, the name(s) of the above copyright *
25 * holders shall not be used in advertising or otherwise to promote the *
26 * sale, use or other dealings in this Software without prior written *
27 * authorization. *
28 ****************************************************************************/
29
30 /****************************************************************************
31 * Author: Juergen Pfeifer, 1995,1997 *
32 ****************************************************************************/
33
34 #include "form.priv.h"
35
36 MODULE_ID("$Id: frm_opts.c,v 1.21 2021/06/17 21:20:30 tom Exp $")
37
38 /*---------------------------------------------------------------------------
39 | Facility : libnform
40 | Function : int set_form_opts(FORM *form, Form_Options opts)
41 |
42 | Description : Turns on the named options and turns off all the
43 | remaining options for that form.
44 |
45 | Return Values : E_OK - success
46 | E_BAD_ARGUMENT - invalid options
47 +--------------------------------------------------------------------------*/
FORM_EXPORT(int)48 FORM_EXPORT(int)
49 set_form_opts(FORM *form, Form_Options opts)
50 {
51 T((T_CALLED("set_form_opts(%p,%d)"), (void *)form, opts));
52
53 opts &= (Form_Options)ALL_FORM_OPTS;
54 if ((unsigned)opts & ~ALL_FORM_OPTS)
55 RETURN(E_BAD_ARGUMENT);
56 else
57 {
58 Normalize_Form(form)->opts = opts;
59 RETURN(E_OK);
60 }
61 }
62
63 /*---------------------------------------------------------------------------
64 | Facility : libnform
65 | Function : Form_Options form_opts(const FORM *)
66 |
67 | Description : Retrieves the current form options.
68 |
69 | Return Values : The option flags.
70 +--------------------------------------------------------------------------*/
71 FORM_EXPORT(Form_Options)
form_opts(const FORM * form)72 form_opts(const FORM *form)
73 {
74 T((T_CALLED("form_opts(%p)"), (const void *)form));
75 returnCode((Form_Options)((unsigned)Normalize_Form(form)->opts & ALL_FORM_OPTS));
76 }
77
78 /*---------------------------------------------------------------------------
79 | Facility : libnform
80 | Function : int form_opts_on(FORM *form, Form_Options opts)
81 |
82 | Description : Turns on the named options; no other options are
83 | changed.
84 |
85 | Return Values : E_OK - success
86 | E_BAD_ARGUMENT - invalid options
87 +--------------------------------------------------------------------------*/
88 FORM_EXPORT(int)
form_opts_on(FORM * form,Form_Options opts)89 form_opts_on(FORM *form, Form_Options opts)
90 {
91 T((T_CALLED("form_opts_on(%p,%d)"), (void *)form, opts));
92
93 opts &= (Form_Options)ALL_FORM_OPTS;
94 if ((unsigned)opts & ~ALL_FORM_OPTS)
95 RETURN(E_BAD_ARGUMENT);
96 else
97 {
98 Normalize_Form(form)->opts |= opts;
99 RETURN(E_OK);
100 }
101 }
102
103 /*---------------------------------------------------------------------------
104 | Facility : libnform
105 | Function : int form_opts_off(FORM *form, Form_Options opts)
106 |
107 | Description : Turns off the named options; no other options are
108 | changed.
109 |
110 | Return Values : E_OK - success
111 | E_BAD_ARGUMENT - invalid options
112 +--------------------------------------------------------------------------*/
113 FORM_EXPORT(int)
form_opts_off(FORM * form,Form_Options opts)114 form_opts_off(FORM *form, Form_Options opts)
115 {
116 T((T_CALLED("form_opts_off(%p,%d)"), (void *)form, opts));
117
118 opts &= (Form_Options)ALL_FORM_OPTS;
119 if ((unsigned)opts & ~ALL_FORM_OPTS)
120 RETURN(E_BAD_ARGUMENT);
121 else
122 {
123 Normalize_Form(form)->opts &= ~opts;
124 RETURN(E_OK);
125 }
126 }
127
128 /* frm_opts.c ends here */
129