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
|
#include "hello.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
Bool hello_print_message(const char *message)
{
printf("Hello: %s\n", message);
return 0;
}
double hello_sum(double x, double y)
{
return x + y;
}
struct _HelloFoo
{
int refcount;
char *data;
};
HelloFoo*
hello_foo_new(void)
{
HelloFoo *foo;
foo = (HelloFoo *) malloc(sizeof(HelloFoo));
foo->refcount = 1;
foo->data = NULL;
return foo;
}
HelloFoo*
hello_foo_new_from_data(const char *data)
{
HelloFoo* foo;
foo = hello_foo_new();
hello_foo_set_data(foo, data);
return foo;
}
HelloFoo*
hello_foo_new_with_spaces (int num_spaces)
{
int i;
HelloFoo *foo;
foo = hello_foo_new();
foo->data = malloc(num_spaces + 1);
for (i = 0; i < num_spaces; i++)
foo->data[i] = ' ';
foo->data[i] = '\0';
return foo;
}
void
hello_foo_ref(HelloFoo *foo)
{
foo->refcount++;
}
void
hello_foo_unref(HelloFoo *foo)
{
if (--foo->refcount > 0)
return;
if (foo->data)
free(foo->data);
free(foo);
}
void
hello_foo_set_data(HelloFoo *foo,
const char *data)
{
if (foo->data)
free(foo->data);
foo->data = strdup(data);
}
const char *
hello_foo_get_data(HelloFoo *foo)
{
return foo->data;
}
const HelloFoo* hello_foo_get_self (HelloFoo *foo)
{
return foo;
}
int hello_get_hash (const HelloFoo *foo)
{
if (foo)
{
return (int) (long) foo;
} else {
return -1;
}
}
|
