1 /* $OpenBSD: fld_type.c,v 1.9 2023/10/17 09:52:10 nicm Exp $ */
2 /****************************************************************************
3 * Copyright 2020,2021 Thomas E. Dickey *
4 * Copyright 1998-2004,2010 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: fld_type.c,v 1.9 2023/10/17 09:52:10 nicm Exp $")
38
39 /*---------------------------------------------------------------------------
40 | Facility : libnform
41 | Function : int set_field_type(FIELD *field, FIELDTYPE *type,...)
42 |
43 | Description : Associate the specified fieldtype with the field.
44 | Certain field types take additional arguments. Look
45 | at the spec of the field types !
46 |
47 | Return Values : E_OK - success
48 | E_SYSTEM_ERROR - system error
49 +--------------------------------------------------------------------------*/
FORM_EXPORT(int)50 FORM_EXPORT(int)
51 set_field_type(FIELD *field, FIELDTYPE *type, ...)
52 {
53 va_list ap;
54 int res = E_SYSTEM_ERROR;
55 int err = 0;
56
57 T((T_CALLED("set_field_type(%p,%p)"), (void *)field, (void *)type));
58
59 va_start(ap, type);
60
61 Normalize_Field(field);
62 _nc_Free_Type(field);
63
64 field->type = type;
65 field->arg = (void *)_nc_Make_Argument(field->type, &ap, &err);
66
67 if (err)
68 {
69 _nc_Free_Argument(field->type, (TypeArgument *)(field->arg));
70 field->type = (FIELDTYPE *)0;
71 field->arg = (void *)0;
72 }
73 else
74 {
75 res = E_OK;
76 if (field->type)
77 field->type->ref++;
78 }
79
80 va_end(ap);
81 RETURN(res);
82 }
83
84 /*---------------------------------------------------------------------------
85 | Facility : libnform
86 | Function : FIELDTYPE *field_type(const FIELD *field)
87 |
88 | Description : Retrieve the associated fieldtype for this field.
89 |
90 | Return Values : Pointer to fieldtype of NULL if none is defined.
91 +--------------------------------------------------------------------------*/
92 FORM_EXPORT(FIELDTYPE *)
field_type(const FIELD * field)93 field_type(const FIELD *field)
94 {
95 T((T_CALLED("field_type(%p)"), (const void *)field));
96 returnFieldType(Normalize_Field(field)->type);
97 }
98
99 /* fld_type.c ends here */
100