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/* See LICENSE file for copyright and license details. */
#include "common.h"
#ifndef TEST
#include <stdio.h>
/* TODO use of sprintf(3) should be eliminated;
* this will make it easier to use in an unhosted environment (kernels)
* and make_settings will be AS-Safe,
* however librecrypt_add_algorithm will not be AS-Safe as hash
* functions may require memory allocations which is AS-Unsafe
*/
void
librecrypt_concat_uint_(struct concat_state *state, uintmax_t value)
{
char buf[3u * sizeof(uintmax_t) + 1u];
int len = sprintf(buf, "%ju", value);
if (len < 1)
abort(); /* $covered$ (impossible reliably) */
librecrypt_concat_mem_(state, buf, (size_t)len);
}
#else
int
main(void)
{
char buf[sizeof("0") + 3u * sizeof(uintmax_t)];
char expected[sizeof(buf)];
struct concat_state state = {buf, sizeof(buf), 0u};
SET_UP_ALARM();
INIT_RESOURCE_TEST();
memset(buf, 'x', sizeof(buf));
assert(sprintf(expected, "0%ju", UINTMAX_MAX) > 0);
librecrypt_concat_uint_(&state, 0u);
librecrypt_concat_uint_(&state, UINTMAX_MAX);
assert(state.len == strlen(expected));
assert(!strcmp(buf, expected));
state = (struct concat_state){buf, 3u, 0u};
librecrypt_concat_uint_(&state, 123u);
assert(!strcmp(buf, "12"));
assert(state.len == 3u);
STOP_RESOURCE_TEST();
return 0;
}
#endif
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