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/* See LICENSE file for copyright and license details. */
#include "libsimple.h"
#ifndef TEST
char *
libsimple_aligned_strndup(const char *s, size_t alignment, size_t n)
{
char *ret;
n = strnlen(s, n);
ret = aligned_alloc(alignment, (n + 1) + (alignment - (n + 1) % alignment) % alignment);
if (!ret)
return NULL;
memcpy(ret, s, n);
ret[n] = '\0';
return ret;
}
#else
#include "test.h"
int
main(void)
{
struct allocinfo *info;
void *s;
assert((s = libsimple_aligned_strndup("hello", 2, SIZE_MAX)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(s)));
assert(info->size == 6);
assert(info->alignment == 2);
assert(!info->zeroed);
}
assert(!memcmp(s, "hello", 6));
free(s);
assert((s = libsimple_aligned_strndup("hello", 2, 100)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(s)));
assert(info->size == 6);
assert(info->alignment == 2);
assert(!info->zeroed);
}
assert(!memcmp(s, "hello", 6));
free(s);
assert((s = libsimple_aligned_strndup("hello", 4, 6)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(s)));
assert(info->size == 8);
assert(info->alignment == 4);
assert(!info->zeroed);
}
assert(!memcmp(s, "hello", 6));
free(s);
assert((s = libsimple_aligned_strndup("hello", 8, 6)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(s)));
assert(info->size == 8);
assert(info->alignment == 8);
assert(!info->zeroed);
}
assert(!memcmp(s, "hello", 6));
free(s);
assert((s = libsimple_aligned_strndup("hello", 16, 6)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(s)));
assert(info->size == 16);
assert(info->alignment == 16);
assert(!info->zeroed);
}
assert(!memcmp(s, "hello", 6));
free(s);
assert((s = libsimple_aligned_strndup("hello", 2, 5)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(s)));
assert(info->size == 6);
assert(info->alignment == 2);
assert(!info->zeroed);
}
assert(!memcmp(s, "hello", 6));
free(s);
assert((s = libsimple_aligned_strndup("hello", 2, 4)));
if (have_custom_malloc()) {
assert((info = get_allocinfo(s)));
assert(info->size == 6);
assert(info->alignment == 2);
assert(!info->zeroed);
}
assert(!memcmp(s, "hell", 5));
free(s);
if (have_custom_malloc()) {
alloc_fail_in = 1;
assert(!libsimple_aligned_strndup("hello", 2, 10) && errno == ENOMEM);
assert(!alloc_fail_in);
}
return 0;
}
#endif
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