blob: 69ae4a4bfe5f2de8858a53b53932a47efe12c263 (
plain) (
blame)
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
|
#ifndef STRARR_H
#define STRARR_H
#include <stddef.h>
#include <string.h>
#include <stdlib.h>
typedef struct strarr {
char *data; /* the underlying data */
size_t len; /* the amount of string entries */
size_t used; /* the total bytes used of the capacity for the strings, incl NULL */
size_t cap; /* the total bytes allocated to the buffer, incl NULL */
} strarr;
void
strarr_init_empty(strarr *sa, size_t cap)
{
sa->len = 0;
sa->used = 0;
sa->cap = cap;
sa->data = (char*) malloc(cap);
}
void
strarr_init_from_str_split(strarr *sa, const char *str, char del)
{
size_t len = strlen(str);
char* data = (char*) malloc(len + 1); /* include the NULL terminator */
sa->data = data;
sa->cap = len + 1;
memcpy(sa->data, str, len);
/* There are at minimum one entries. */
sa->len = 1;
/* Swap all `del` for '\0'. */
for (size_t i = 0; i < sa->cap; ++i) {
if (sa->data[i] == del) {
sa->data[i] = '\0';
sa->len++;
}
}
}
/* Copy string into strarr, appending it in the process. */
void
strarr_app(strarr *sa, char *str)
{
size_t len = strlen(str);
strcpy(&sa->data[sa->used], str);
sa->len++;
sa->used += len;
sa->cap += len;
}
#endif
|
