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/* See LICENSE file for copyright and license details. */
#include "common.h"
#ifndef TEST
const struct algorithm *
librecrypt_find_first_algorithm_(const char *settings, size_t len)
{
unsigned r, priority = 0;
const struct algorithm *algo, *found = NULL;
size_t i;
for (i = 0u;; i++) {
/* Get next algorithm in the list */
algo = &librecrypt_algorithms_[i];
if (IS_END_OF_ALGORITHMS(algo))
break;
/* Get match-priority, bigger is more prioritised,
* 0 is non-match, so we save if we get a bigger
* value then our current best (we start at 0
* (no match found)) */
r = (*algo->is_algorithm)(settings, len);
if (r > priority) {
priority = r;
found = algo;
}
}
/* NULL if all `is_algorithm` returned 0 (including if the
* last was completly empty), otherwise the first one
* (actually an arbitrary one) that returned the greated
* match-priority (which doesn't necessarily mean it's better,
* which is why we don't just break at the first match
* (`librecrypt_algorithms_` is ordered by how good they are)) */
return found;
}
#else
int
main(void)
{
SET_UP_ALARM();
return 0;
}
#endif
/* TODO test */
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