#define N_HASHES 5
-#define MIN_ENTRIES 1073741824UL
-
struct bloom *bloom_new(uint64_t entries)
{
struct bloom *b;
size_t no_uints;
+ crc32c_arm64_probe();
crc32c_intel_probe();
b = malloc(sizeof(*b));
b->nentries = entries;
no_uints = (entries + BITS_PER_INDEX - 1) / BITS_PER_INDEX;
- no_uints = max((unsigned long) no_uints, MIN_ENTRIES);
b->map = calloc(no_uints, sizeof(uint32_t));
if (!b->map) {
free(b);
free(b);
}
-static bool __bloom_check(struct bloom *b, void *data, unsigned int len,
+static bool __bloom_check(struct bloom *b, const void *data, unsigned int len,
bool set)
{
uint32_t hash[N_HASHES];
if (b->map[index] & (1U << bit))
was_set++;
- if (set)
+ else if (set)
b->map[index] |= 1U << bit;
+ else
+ break;
}
return was_set == N_HASHES;
{
return __bloom_check(b, data, nwords * sizeof(uint32_t), true);
}
+
+bool bloom_string(struct bloom *b, const char *data, unsigned int len,
+ bool set)
+{
+ return __bloom_check(b, data, len, set);
+}