-/* Fowler-Noll-Vo hash constants, for 32-bit word sizes. */
-#define FNV_32_PRIME 16777619u
-#define FNV_32_BASIS 2166136261u
-
-/* Fowler-Noll-Vo 32-bit hash, for bytes. */
-unsigned
-hsh_hash_bytes (const void *buf_, size_t size)
-{
- const unsigned char *buf = (const unsigned char *) buf_;
- unsigned hash;
-
- assert (buf != NULL);
-
- hash = FNV_32_BASIS;
- while (size-- > 0)
- hash = (hash * FNV_32_PRIME) ^ *buf++;
-
- return hash;
-}
-
-/* Fowler-Noll-Vo 32-bit hash, for strings. */
-unsigned
-hsh_hash_string (const char *s_)
-{
- const unsigned char *s = (const unsigned char *) s_;
- unsigned hash;
-
- assert (s != NULL);
-
- hash = FNV_32_BASIS;
- while (*s != '\0')
- hash = (hash * FNV_32_PRIME) ^ *s++;
-
- return hash;
-}
-
-/* Fowler-Noll-Vo 32-bit hash, for case-insensitive strings. */
-unsigned
-hsh_hash_case_string (const char *s_)
-{
- const unsigned char *s = (const unsigned char *) s_;
- unsigned hash;
-
- assert (s != NULL);
-
- hash = FNV_32_BASIS;
- while (*s != '\0')
- hash = (hash * FNV_32_PRIME) ^ toupper (*s++);
-
- return hash;
-}
-
-/* Hash for ints. */
-unsigned
-hsh_hash_int (int i)
-{
- return hsh_hash_bytes (&i, sizeof i);
-}
-
-/* Hash for double. */
-unsigned
-hsh_hash_double (double d)
-{
- if (!isnan (d))
- return hsh_hash_bytes (&d, sizeof d);
- else
- return 0;
-}