GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libform/fld_newftyp.c Lines: 0 22 0.0 %
Date: 2017-11-13 Branches: 0 16 0.0 %

Line Branch Exec Source
1
/*	$OpenBSD: fld_newftyp.c,v 1.7 2015/01/23 22:48:51 krw Exp $	*/
2
/****************************************************************************
3
 * Copyright (c) 1998-2004,2007 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: fld_newftyp.c,v 1.7 2015/01/23 22:48:51 krw Exp $")
37
38
static FIELDTYPE const default_fieldtype =
39
{
40
  0,				/* status                                      */
41
  0L,				/* reference count                             */
42
  (FIELDTYPE *)0,		/* pointer to left  operand                    */
43
  (FIELDTYPE *)0,		/* pointer to right operand                    */
44
  NULL,				/* makearg function                            */
45
  NULL,				/* copyarg function                            */
46
  NULL,				/* freearg function                            */
47
  NULL,				/* field validation function                   */
48
  NULL,				/* Character check function                    */
49
  NULL,				/* enumerate next function                     */
50
  NULL				/* enumerate previous function                 */
51
};
52
53
NCURSES_EXPORT_VAR(const FIELDTYPE *)
54
_nc_Default_FieldType = &default_fieldtype;
55
56
/*---------------------------------------------------------------------------
57
|   Facility      :  libnform
58
|   Function      :  FIELDTYPE *new_fieldtype(
59
|                       bool (* const field_check)(FIELD *,const void *),
60
|                       bool (* const char_check) (int, const void *) )
61
|
62
|   Description   :  Create a new fieldtype. The application programmer must
63
|                    write a field_check and a char_check function and give
64
|                    them as input to this call.
65
|                    If an error occurs, errno is set to
66
|                       E_BAD_ARGUMENT  - invalid arguments
67
|                       E_SYSTEM_ERROR  - system error (no memory)
68
|
69
|   Return Values :  Fieldtype pointer or NULL if error occurred
70
+--------------------------------------------------------------------------*/
71
NCURSES_EXPORT(FIELDTYPE *)
72
new_fieldtype(bool (*const field_check) (FIELD *, const void *),
73
	      bool (*const char_check) (int, const void *))
74
{
75
  FIELDTYPE *nftyp = (FIELDTYPE *)0;
76
77
  T((T_CALLED("new_fieldtype(%p,%p)"), field_check, char_check));
78
  if ((field_check) || (char_check))
79
    {
80
      nftyp = typeMalloc(FIELDTYPE, 1);
81
82
      if (nftyp)
83
	{
84
	  T((T_CREATE("fieldtype %p"), nftyp));
85
	  *nftyp = default_fieldtype;
86
	  nftyp->fcheck = field_check;
87
	  nftyp->ccheck = char_check;
88
	}
89
      else
90
	{
91
	  SET_ERROR(E_SYSTEM_ERROR);
92
	}
93
    }
94
  else
95
    {
96
      SET_ERROR(E_BAD_ARGUMENT);
97
    }
98
  returnFieldType(nftyp);
99
}
100
101
/*---------------------------------------------------------------------------
102
|   Facility      :  libnform
103
|   Function      :  int free_fieldtype(FIELDTYPE *typ)
104
|
105
|   Description   :  Release the memory associated with this fieldtype.
106
|
107
|   Return Values :  E_OK            - success
108
|                    E_CONNECTED     - there are fields referencing the type
109
|                    E_BAD_ARGUMENT  - invalid fieldtype pointer
110
+--------------------------------------------------------------------------*/
111
NCURSES_EXPORT(int)
112
free_fieldtype(FIELDTYPE *typ)
113
{
114
  T((T_CALLED("free_fieldtype(%p)"), typ));
115
116
  if (!typ)
117
    RETURN(E_BAD_ARGUMENT);
118
119
  if (typ->ref != 0)
120
    RETURN(E_CONNECTED);
121
122
  if (typ->status & _RESIDENT)
123
    RETURN(E_CONNECTED);
124
125
  if (typ->status & _LINKED_TYPE)
126
    {
127
      if (typ->left)
128
	typ->left->ref--;
129
      if (typ->right)
130
	typ->right->ref--;
131
    }
132
  free(typ);
133
  RETURN(E_OK);
134
}
135
136
/* fld_newftyp.c ends here */