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/* SPDX-License-Identifier: LGPL-2.1+ */
#include <stdio.h>
#include <string.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;
}
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