X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fhashtable%2Futils.c;fp=src%2Fcommon%2Fhashtable%2Futils.c;h=1ea699d6edb921364a30d3c92e31e9ee538571b4;hp=8d0e515aecafbb94a347c418f23bf341f719f71c;hb=3c4599b9a5c12ceff19368c6cd51e01d81824726;hpb=ecc48a904cc7c419fd1400afaa9ccb93be490cdd diff --git a/src/common/hashtable/utils.c b/src/common/hashtable/utils.c index 8d0e515ae..1ea699d6e 100644 --- a/src/common/hashtable/utils.c +++ b/src/common/hashtable/utils.c @@ -60,6 +60,7 @@ #include "utils.h" #include /* attempt to define endianness */ #include +#include /* * My best guess at if you are big-endian or little-endian. This may @@ -496,6 +497,17 @@ unsigned long hash_key_str(void *key, unsigned long seed) return hashlittle(key, strlen((char *) key), seed); } +/* + * Hash function for two uint64_t. + */ +LTTNG_HIDDEN +unsigned long hash_key_two_u64(void *key, unsigned long seed) +{ + struct lttng_ht_two_u64 *k = (struct lttng_ht_two_u64 *) key; + + return hash_key_u64(&k->key1, seed) ^ hash_key_u64(&k->key2, seed); +} + /* * Hash function compare for number value. */ @@ -534,3 +546,20 @@ int hash_match_key_str(void *key1, void *key2) return 0; } + +/* + * Hash function compare two uint64_t. + */ +LTTNG_HIDDEN +int hash_match_key_two_u64(void *key1, void *key2) +{ + struct lttng_ht_two_u64 *k1 = (struct lttng_ht_two_u64 *) key1; + struct lttng_ht_two_u64 *k2 = (struct lttng_ht_two_u64 *) key2; + + if (hash_match_key_u64(&k1->key1, &k2->key1) && + hash_match_key_u64(&k1->key2, &k2->key2)) { + return 1; + } + + return 0; +}