2 files changed, 10 insertions, 0 deletions

diff --git a/qstd/str.c b/qstd/str.c
index 49ad396..2c74d4b 100644
--- a/qstd/str.c
+++ b/qstd/str.c
@@ -11,6 +11,15 @@ uint64_t fnv1a64(uint8_t* buf, size_t size) {
 	return hash;
 }
 
+uint64_t fnv1a64_2(uint64_t hash, uint8_t* buf, size_t size) {
+	size_t i;
+	for (i = 0; i < size; i++, buf++) {
+		hash ^= *buf;
+		hash *= 0x100000001b3;
+	}
+	return hash;
+}
+
 uint32_t hash_string(const char* s) {
 	uint32_t h = 2166136261u;
 	for (; *s; s++) {
diff --git a/qstd/str.h b/qstd/str.h
index 308e92d..011fc27 100644
--- a/qstd/str.h
+++ b/qstd/str.h
@@ -7,6 +7,7 @@
 struct Arena;
 
 uint64_t fnv1a64(uint8_t* buf, size_t size);
+uint64_t fnv1a64_2(uint64_t h, uint8_t* buf, size_t size);
 uint32_t hash_string(const char* s);
 
 int string_equal(const char* a, const char* b);