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
|
return [self init:NULL];
}
- init:(const char*)str
{
if ((self = [super init])) {
if (str == NULL) {
string = NULL;
string = strdup(str);
- free
{
if (string != NULL)
free(string);
return [super free];
}
- (void)setTo:(const char*)str
{
if (string != NULL)
free(string);
string = strdup(str);
length = strlen(str);
}
- (OFString*)clone
{
if (string != NULL)
return [OFString new:string];
return [OFString new];
}
- (void)append: (const char*)str
{
char *new_string;
size_t new_length, str_length;
if (str == NULL) {
[self setTo:str];
return;
}
str_length = strlen(str);
new_length = length + str_length;
if ((new_string = realloc(string, new_length + 1)) == NULL) {
/* FIXME: Add error handling */
return;
}
string = new_string;
memcpy(string + length, str, str_length);
string[new_length] = '\0';
length = new_length;
}
|
<
>
<
>
>
>
<
<
<
<
<
<
<
|
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
|
>
|
|
>
|
|
|
<
<
|
>
|
|
>
>
|
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
|
return [self init:NULL];
}
- init:(const char*)str
{
if ((self = [super init])) {
if (str == NULL) {
length = 0;
string = NULL;
} else {
length = strlen(string);
if ((string = [self getMem:length]) == NULL)
return NULL;
memcpy(string, str, length);
}
}
return self;
}
- (char*)cString
{
return string;
}
- (size_t)length
{
return length;
}
- (OFString*)setTo:(const char*)str
{
char *newstr;
size_t newlen;
if (str == NULL) {
[self freeMem:string];
length = 0;
string = NULL;
return self;
}
newlen = strlen(str);
if ((newstr = [self getMem:newlen]) == NULL)
return nil;
memcpy(newstr, str, newlen);
if (string != NULL)
[self freeMem:string];
length = newlen;
string = newstr;
return self;
}
- (OFString*)clone
{
if (string != NULL)
return [OFString new:string];
return [OFString new];
}
- (OFString*)append: (const char*)str
{
char *new_string;
size_t new_length, str_length;
if (str == NULL)
return [self setTo:str];
str_length = strlen(str);
new_length = length + str_length;
if ((new_string =
[self resizeMem:string toSize:new_length + 1]) == NULL) {
/* FIXME: Add error handling */
return nil;
}
string = new_string;
memcpy(string + length, str, str_length);
string[new_length] = '\0';
length = new_length;
return self;
}
@end
|