1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
/* $OpenBSD: fty_int.c,v 1.4 1998/07/24 02:37:44 millert Exp $ */
/*
* THIS CODE IS SPECIFICALLY EXEMPTED FROM THE NCURSES PACKAGE COPYRIGHT.
* You may freely copy it for use as a template for your own field types.
* If you develop a field type that might be of general use, please send
* it back to the ncurses maintainers for inclusion in the next version.
*/
/***************************************************************************
* *
* Author : Juergen Pfeifer, Juergen.Pfeifer@T-Online.de *
* *
***************************************************************************/
#include "form.priv.h"
MODULE_ID("$From: fty_int.c,v 1.8 1997/10/18 19:32:50 tom Exp $")
typedef struct {
int precision;
long low;
long high;
} integerARG;
/*---------------------------------------------------------------------------
| Facility : libnform
| Function : static void *Make_Integer_Type( va_list * ap )
|
| Description : Allocate structure for integer type argument.
|
| Return Values : Pointer to argument structure or NULL on error
+--------------------------------------------------------------------------*/
static void *Make_Integer_Type(va_list * ap)
{
integerARG *argp = (integerARG *)malloc(sizeof(integerARG));
if (argp)
{
argp->precision = va_arg(*ap,int);
argp->low = va_arg(*ap,long);
argp->high = va_arg(*ap,long);
}
return (void *)argp;
}
/*---------------------------------------------------------------------------
| Facility : libnform
| Function : static void *Copy_Integer_Type(const void * argp)
|
| Description : Copy structure for integer type argument.
|
| Return Values : Pointer to argument structure or NULL on error.
+--------------------------------------------------------------------------*/
static void *Copy_Integer_Type(const void * argp)
{
const integerARG *ap = (const integerARG *)argp;
integerARG *result = (integerARG *)0;
if (argp)
{
result = (integerARG *)malloc(sizeof(integerARG));
if (result)
*result = *ap;
}
return (void *)result;
}
/*---------------------------------------------------------------------------
| Facility : libnform
| Function : static void Free_Integer_Type(void * argp)
|
| Description : Free structure for integer type argument.
|
| Return Values : -
+--------------------------------------------------------------------------*/
static void Free_Integer_Type(void * argp)
{
if (argp)
free(argp);
}
/*---------------------------------------------------------------------------
| Facility : libnform
| Function : static bool Check_Integer_Field(
| FIELD * field,
| const void * argp)
|
| Description : Validate buffer content to be a valid integer value
|
| Return Values : TRUE - field is valid
| FALSE - field is invalid
+--------------------------------------------------------------------------*/
static bool Check_Integer_Field(FIELD * field, const void * argp)
{
const integerARG *argi = (const integerARG *)argp;
long low = argi->low;
long high = argi->high;
int prec = argi->precision;
unsigned char *bp = (unsigned char *)field_buffer(field,0);
char *s = (char *)bp;
long val;
char buf[100];
while( *bp && *bp==' ') bp++;
if (*bp)
{
if (*bp=='-') bp++;
while (*bp)
{
if (!isdigit(*bp)) break;
bp++;
}
while(*bp && *bp==' ') bp++;
if (*bp=='\0')
{
val = atol(s);
if (low<high)
{
if (val<low || val>high) return FALSE;
}
sprintf(buf,"%.*ld",(prec>0?prec:0),val);
set_field_buffer(field,0,buf);
return TRUE;
}
}
return FALSE;
}
/*---------------------------------------------------------------------------
| Facility : libnform
| Function : static bool Check_Integer_Character(
| int c,
| const void * argp)
|
| Description : Check a character for the integer type.
|
| Return Values : TRUE - character is valid
| FALSE - character is invalid
+--------------------------------------------------------------------------*/
static bool Check_Integer_Character(int c, const void * argp GCC_UNUSED)
{
return ((isdigit(c) || (c=='-')) ? TRUE : FALSE);
}
static FIELDTYPE typeINTEGER = {
_HAS_ARGS | _RESIDENT,
1, /* this is mutable, so we can't be const */
(FIELDTYPE *)0,
(FIELDTYPE *)0,
Make_Integer_Type,
Copy_Integer_Type,
Free_Integer_Type,
Check_Integer_Field,
Check_Integer_Character,
NULL,
NULL
};
FIELDTYPE* TYPE_INTEGER = &typeINTEGER;
/* fty_int.c ends here */
|
