95 lines
2.5 KiB
C
95 lines
2.5 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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/***
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This file is part of systemd.
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Copyright 2013 Thomas H.P. Andersen
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***/
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#include <string.h>
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#include "string-util.h"
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#include "strxcpyx.h"
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#include "util.h"
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static void test_strpcpy(void) {
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char target[25];
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char *s = target;
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size_t space_left;
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space_left = sizeof(target);
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space_left = strpcpy(&s, space_left, "12345");
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space_left = strpcpy(&s, space_left, "hey hey hey");
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space_left = strpcpy(&s, space_left, "waldo");
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space_left = strpcpy(&s, space_left, "ba");
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space_left = strpcpy(&s, space_left, "r");
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space_left = strpcpy(&s, space_left, "foo");
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assert_se(streq(target, "12345hey hey heywaldobar"));
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assert_se(space_left == 0);
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}
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static void test_strpcpyf(void) {
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char target[25];
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char *s = target;
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size_t space_left;
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space_left = sizeof(target);
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space_left = strpcpyf(&s, space_left, "space left: %zu. ", space_left);
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space_left = strpcpyf(&s, space_left, "foo%s", "bar");
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assert_se(streq(target, "space left: 25. foobar"));
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assert_se(space_left == 3);
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/* test overflow */
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s = target;
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space_left = strpcpyf(&s, 12, "00 left: %i. ", 999);
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assert_se(streq(target, "00 left: 99"));
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assert_se(space_left == 0);
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assert_se(target[12] == '2');
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}
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static void test_strpcpyl(void) {
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char target[25];
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char *s = target;
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size_t space_left;
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space_left = sizeof(target);
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space_left = strpcpyl(&s, space_left, "waldo", " test", " waldo. ", NULL);
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space_left = strpcpyl(&s, space_left, "Banana", NULL);
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assert_se(streq(target, "waldo test waldo. Banana"));
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assert_se(space_left == 1);
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}
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static void test_strscpy(void) {
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char target[25];
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size_t space_left;
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space_left = sizeof(target);
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space_left = strscpy(target, space_left, "12345");
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assert_se(streq(target, "12345"));
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assert_se(space_left == 20);
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}
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static void test_strscpyl(void) {
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char target[25];
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size_t space_left;
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space_left = sizeof(target);
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space_left = strscpyl(target, space_left, "12345", "waldo", "waldo", NULL);
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assert_se(streq(target, "12345waldowaldo"));
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assert_se(space_left == 10);
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}
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int main(int argc, char *argv[]) {
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test_strpcpy();
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test_strpcpyf();
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test_strpcpyl();
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test_strscpy();
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test_strscpyl();
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return 0;
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}
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