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
|
#ifndef __OFFSETS_H__
#define __OFFSETS_H__
#include <glib.h>
#include <time.h>
/* Test we get the alignment right for various basic types; we put
* a char in front of of each field to make it more likely that we'll
* stress out the alignment code.
*/
typedef struct _OffsetsBasic OffsetsBasic;
struct _OffsetsBasic {
char dummy1;
gint8 field_int8;
char dummy2;
gint16 field_int16;
char dummy3;
gint32 field_int32;
char dummy4;
gint64 field_int64;
char dummy5;
gchar *field_pointer;
char dummy6;
gfloat field_float;
char dummy7;
gdouble field_double;
char dummy8;
gsize field_size;
char dummy9;
time_t field_time;
};
typedef enum {
ENUM_1 = 1 /* compiler could use int8, uint8, int16, uint16, int32, uint32 */
} Enum1;
typedef enum {
ENUM_2 = 128 /* compiler could use uint8, int16, uint16, int32, uint32 */
} Enum2;
typedef enum {
ENUM_3 = 257 /* compiler could use int16, uint16, int32, uint32 */
} Enum3;
typedef enum {
ENUM_4 = G_MAXSHORT + 1 /* compiler could use uint16, int32, uint32 */
} Enum4;
typedef enum {
ENUM_5 = G_MAXUSHORT + 1 /* compiler could use int32, uint32 */
} Enum5;
typedef enum {
ENUM_6 = ((guint)G_MAXINT) + 1 /* compiler could use uint32 */
} Enum6;
/* Test that we get the width of enum fields right. The char after
* each field will have aligment 1 (almost certainly) so should
* be placed right the field.
*/
typedef struct _OffsetsEnum OffsetsEnum;
struct _OffsetsEnum {
Enum1 enum1;
char dummy1;
Enum2 enum2;
char dummy2;
Enum3 enum3;
char dummy3;
Enum4 enum4;
char dummy4;
Enum5 enum5;
char dummy5;
Enum6 enum6;
char dummy6;
};
/* Test nested structures
*/
typedef struct _OffsetsNestee OffsetsNestee;
struct _OffsetsNestee {
char field1;
double field2; /* alignment of structure is greater than its first element */
char field3; /* structure has tail padding */
};
typedef union _OffsetsNesteeUnion OffsetsNesteeUnion;
union _OffsetsNesteeUnion {
char field1;
double field2;
};
typedef struct _OffsetsNested OffsetsNested;
struct _OffsetsNested {
char dummy1;
OffsetsNestee nestee;
char dummy2;
OffsetsNesteeUnion nestee_union;
char dummy3;
};
#endif /* __OFFSETS_H__ */
|
