const uint32_t FNV_32_HASH_START = 2166136261UL;
const uint64_t FNV_64_HASH_START = 14695981039346656037ULL;
-inline uint32_t fnv32(const char* s,
- uint32_t hash = FNV_32_HASH_START) {
+inline uint32_t fnv32(const char* buf, uint32_t hash = FNV_32_HASH_START) {
+ // forcing signed char, since other platforms can use unsigned
+ const signed char* s = reinterpret_cast<const signed char*>(buf);
+
for (; *s; ++s) {
hash += (hash << 1) + (hash << 4) + (hash << 7) +
(hash << 8) + (hash << 24);
return fnv32_buf(str.data(), str.size(), hash);
}
-inline uint64_t fnv64(const char* s,
- uint64_t hash = FNV_64_HASH_START) {
+inline uint64_t fnv64(const char* buf, uint64_t hash = FNV_64_HASH_START) {
+ // forcing signed char, since other platforms can use unsigned
+ const signed char* s = reinterpret_cast<const signed char*>(buf);
+
for (; *s; ++s) {
hash += (hash << 1) + (hash << 4) + (hash << 5) + (hash << 7) +
(hash << 8) + (hash << 40);