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
108
109
|
/* SPDX-License-Identifier: LGPL-2.1+ */
#include <stdio.h>
#include "string-util.h"
#include "strxcpyx.h"
#include "util.h"
static void test_strpcpy(void) {
char target[25];
char *s = target;
size_t space_left;
space_left = sizeof(target);
space_left = strpcpy(&s, space_left, "12345");
space_left = strpcpy(&s, space_left, "hey hey hey");
space_left = strpcpy(&s, space_left, "waldo");
space_left = strpcpy(&s, space_left, "ba");
space_left = strpcpy(&s, space_left, "r");
space_left = strpcpy(&s, space_left, "foo");
assert_se(streq(target, "12345hey hey heywaldobar"));
assert_se(space_left == 0);
}
static void test_strpcpyf(void) {
char target[25];
char *s = target;
size_t space_left;
space_left = sizeof(target);
space_left = strpcpyf(&s, space_left, "space left: %zu. ", space_left);
space_left = strpcpyf(&s, space_left, "foo%s", "bar");
assert_se(streq(target, "space left: 25. foobar"));
assert_se(space_left == 3);
/* test overflow */
s = target;
space_left = strpcpyf(&s, 12, "00 left: %i. ", 999);
assert_se(streq(target, "00 left: 99"));
assert_se(space_left == 0);
assert_se(target[12] == '2');
}
static void test_strpcpyl(void) {
char target[25];
char *s = target;
size_t space_left;
space_left = sizeof(target);
space_left = strpcpyl(&s, space_left, "waldo", " test", " waldo. ", NULL);
space_left = strpcpyl(&s, space_left, "Banana", NULL);
assert_se(streq(target, "waldo test waldo. Banana"));
assert_se(space_left == 1);
}
static void test_strscpy(void) {
char target[25];
size_t space_left;
space_left = sizeof(target);
space_left = strscpy(target, space_left, "12345");
assert_se(streq(target, "12345"));
assert_se(space_left == 20);
}
static void test_strscpyl(void) {
char target[25];
size_t space_left;
space_left = sizeof(target);
space_left = strscpyl(target, space_left, "12345", "waldo", "waldo", NULL);
assert_se(streq(target, "12345waldowaldo"));
assert_se(space_left == 10);
}
static void test_sd_event_code_migration(void) {
char b[100 * DECIMAL_STR_MAX(unsigned) + 1];
char c[100 * DECIMAL_STR_MAX(unsigned) + 1], *p;
unsigned i;
size_t l;
int o;
for (i = o = 0; i < 100; i++)
o += snprintf(&b[o], sizeof(b) - o, "%u ", i);
p = c;
l = sizeof(c);
for (i = 0; i < 100; i++)
l = strpcpyf(&p, l, "%u ", i);
assert_se(streq(b, c));
}
int main(int argc, char *argv[]) {
test_strpcpy();
test_strpcpyf();
test_strpcpyl();
test_strscpy();
test_strscpyl();
test_sd_event_code_migration();
return 0;
}
|
