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/* SPDX-License-Identifier: LGPL-2.1+ */
/***
This file is part of systemd.
Copyright 2010 Lennart Poettering
***/
#include <stdint.h>
#include "alloc-util.h"
#include "macro.h"
#include "util.h"
static void test_alloca(void) {
static const uint8_t zero[997] = { };
char *t;
t = alloca_align(17, 512);
assert_se(!((uintptr_t)t & 0xff));
memzero(t, 17);
t = alloca0_align(997, 1024);
assert_se(!((uintptr_t)t & 0x1ff));
assert_se(!memcmp(t, zero, 997));
}
static void test_memdup_multiply_and_greedy_realloc(void) {
int org[] = {1, 2, 3};
_cleanup_free_ int *dup;
int *p;
size_t i, allocated = 3;
dup = (int*) memdup_suffix0_multiply(org, sizeof(int), 3);
assert_se(dup);
assert_se(dup[0] == 1);
assert_se(dup[1] == 2);
assert_se(dup[2] == 3);
assert_se(*(uint8_t*) (dup + 3) == (uint8_t) 0);
free(dup);
dup = (int*) memdup_multiply(org, sizeof(int), 3);
assert_se(dup);
assert_se(dup[0] == 1);
assert_se(dup[1] == 2);
assert_se(dup[2] == 3);
p = dup;
assert_se(greedy_realloc0((void**) &dup, &allocated, 2, sizeof(int)) == p);
p = (int *) greedy_realloc0((void**) &dup, &allocated, 10, sizeof(int));
assert_se(p == dup);
assert_se(allocated >= 10);
assert_se(p[0] == 1);
assert_se(p[1] == 2);
assert_se(p[2] == 3);
for (i = 3; i < allocated; i++)
assert_se(p[i] == 0);
}
int main(int argc, char *argv[]) {
test_alloca();
test_memdup_multiply_and_greedy_realloc();
return 0;
}
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