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-rw-r--r--src/shared/hashmap.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/shared/hashmap.c b/src/shared/hashmap.c
index 5c3efa8dd3..dbf91c439e 100644
--- a/src/shared/hashmap.c
+++ b/src/shared/hashmap.c
@@ -164,6 +164,21 @@ int uint64_compare_func(const void *_a, const void *_b) {
return a < b ? -1 : (a > b ? 1 : 0);
}
+#if SIZEOF_DEV_T != 8
+unsigned long devt_hash_func(const void *p, const uint8_t hash_key[HASH_KEY_SIZE]) {
+ uint64_t u;
+ siphash24((uint8_t*) &u, p, sizeof(dev_t), hash_key);
+ return (unsigned long) u;
+}
+
+int devt_compare_func(const void *_a, const void *_b) {
+ dev_t a, b;
+ a = *(const dev_t*) _a;
+ b = *(const dev_t*) _b;
+ return a < b ? -1 : (a > b ? 1 : 0);
+}
+#endif
+
static unsigned bucket_hash(Hashmap *h, const void *p) {
return (unsigned) (h->hash_func(p, h->hash_key) % h->n_buckets);
}