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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
c62c294f TA |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2013 Thomas H.P. Andersen | |
6 | ||
7 | systemd is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU Lesser General Public License as published by | |
9 | the Free Software Foundation; either version 2.1 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | systemd is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public License | |
18 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
19 | ***/ | |
20 | ||
21 | #include <string.h> | |
22 | ||
07630cea | 23 | #include "string-util.h" |
c62c294f | 24 | #include "strxcpyx.h" |
07630cea | 25 | #include "util.h" |
c62c294f TA |
26 | |
27 | static void test_strpcpy(void) { | |
28 | char target[25]; | |
29 | char *s = target; | |
30 | size_t space_left; | |
31 | ||
32 | space_left = sizeof(target); | |
33 | space_left = strpcpy(&s, space_left, "12345"); | |
34 | space_left = strpcpy(&s, space_left, "hey hey hey"); | |
35 | space_left = strpcpy(&s, space_left, "waldo"); | |
36 | space_left = strpcpy(&s, space_left, "ba"); | |
37 | space_left = strpcpy(&s, space_left, "r"); | |
38 | space_left = strpcpy(&s, space_left, "foo"); | |
39 | ||
bdf7026e TA |
40 | assert_se(streq(target, "12345hey hey heywaldobar")); |
41 | assert_se(space_left == 0); | |
c62c294f TA |
42 | } |
43 | ||
44 | static void test_strpcpyf(void) { | |
45 | char target[25]; | |
46 | char *s = target; | |
47 | size_t space_left; | |
48 | ||
49 | space_left = sizeof(target); | |
1fa2f38f | 50 | space_left = strpcpyf(&s, space_left, "space left: %zu. ", space_left); |
c62c294f TA |
51 | space_left = strpcpyf(&s, space_left, "foo%s", "bar"); |
52 | ||
bdf7026e TA |
53 | assert_se(streq(target, "space left: 25. foobar")); |
54 | assert_se(space_left == 3); | |
54d46a78 ZJS |
55 | |
56 | /* test overflow */ | |
57 | s = target; | |
58 | space_left = strpcpyf(&s, 12, "00 left: %i. ", 999); | |
59 | assert_se(streq(target, "00 left: 99")); | |
60 | assert_se(space_left == 0); | |
61 | assert_se(target[12] == '2'); | |
c62c294f TA |
62 | } |
63 | ||
64 | static void test_strpcpyl(void) { | |
65 | char target[25]; | |
66 | char *s = target; | |
67 | size_t space_left; | |
68 | ||
69 | space_left = sizeof(target); | |
70 | space_left = strpcpyl(&s, space_left, "waldo", " test", " waldo. ", NULL); | |
71 | space_left = strpcpyl(&s, space_left, "Banana", NULL); | |
72 | ||
bdf7026e TA |
73 | assert_se(streq(target, "waldo test waldo. Banana")); |
74 | assert_se(space_left == 1); | |
c62c294f TA |
75 | } |
76 | ||
77 | static void test_strscpy(void) { | |
78 | char target[25]; | |
79 | size_t space_left; | |
80 | ||
81 | space_left = sizeof(target); | |
82 | space_left = strscpy(target, space_left, "12345"); | |
83 | ||
bdf7026e TA |
84 | assert_se(streq(target, "12345")); |
85 | assert_se(space_left == 20); | |
c62c294f TA |
86 | } |
87 | ||
88 | static void test_strscpyl(void) { | |
89 | char target[25]; | |
90 | size_t space_left; | |
91 | ||
92 | space_left = sizeof(target); | |
93 | space_left = strscpyl(target, space_left, "12345", "waldo", "waldo", NULL); | |
94 | ||
bdf7026e TA |
95 | assert_se(streq(target, "12345waldowaldo")); |
96 | assert_se(space_left == 10); | |
c62c294f TA |
97 | } |
98 | ||
99 | int main(int argc, char *argv[]) { | |
100 | test_strpcpy(); | |
101 | test_strpcpyf(); | |
102 | test_strpcpyl(); | |
103 | test_strscpy(); | |
104 | test_strscpyl(); | |
105 | ||
106 | return 0; | |
107 | } |