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
|
#include <stdlib.h>
#include <string.h>
#include "util.h"
struct string_list *string_split(const char *string, char delim) {
const char *loc = string;
int size = 2; /* rest of string, NULL terminator */
int index = 0;
char delims[2] = {0};
char *saveptr = NULL;
struct string_list *list = calloc(1, sizeof(struct string_list));
if (!list)
goto finish;
list->source = strdup(string);
if (!list->source)
goto finish;
while((loc = strchr(loc, delim))) {
size++;
while (*loc && *loc == delim) loc++;
}
list->list = calloc(size, sizeof(char *));
if (!list->list)
goto finish;
delims[0] = delim;
while((loc = strtok_r(index == 0 ? list->source : NULL, delims, &saveptr))) {
list->list[index++] = loc;
if (index >= size)
break;
}
finish:
return list;
}
void string_list_free(struct string_list *list) {
if (list) {
if (list->list) {
free(list->list);
list->list = NULL;
}
if (list->source) {
free(list->source);
list->source = NULL;
}
free(list);
}
}
void string_truncate(char *string, size_t max_len) {
size_t len = strlen(string) + 1;
if (len <= max_len) return;
strncpy(&string[max_len - 4], "...\0", 4);
}
void string_wrap(char *string, size_t max_len, size_t max_lines) {
char *line = string;
for (size_t i = 1; i < max_lines; i++) {
char *p = line;
char *prev;
do {
prev = p;
p = strchr(prev+1, ' ');
} while (p && p - line < (int)max_len);
if (!p && strlen(line) < max_len) break;
if (prev && prev != line) {
line = prev + 1;
*prev = '\n';
}
}
string_truncate(line, max_len);
}
|
