diff options
Diffstat (limited to 'ch26/26_a_2/cbits/lookup3.h')
| -rw-r--r-- | ch26/26_a_2/cbits/lookup3.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/ch26/26_a_2/cbits/lookup3.h b/ch26/26_a_2/cbits/lookup3.h new file mode 100644 index 0000000..7591eba --- /dev/null +++ b/ch26/26_a_2/cbits/lookup3.h @@ -0,0 +1,23 @@ +/** snippet header */
+/* save this file as lookup3.h */
+
+#ifndef _lookup3_h
+#define _lookup3_h
+
+#include <stdint.h>
+#include <sys/types.h>
+
+/* only accepts uint32_t aligned arrays of uint32_t */
+void hashword2(const uint32_t *key, /* array of uint32_t */
+ size_t length, /* number of uint32_t values */
+ uint32_t *pc, /* in: seed1, out: hash1 */
+ uint32_t *pb); /* in: seed2, out: hash2 */
+
+/* handles arbitrarily aligned arrays of bytes */
+void hashlittle2(const void *key, /* array of bytes */
+ size_t length, /* number of bytes */
+ uint32_t *pc, /* in: seed1, out: hash1 */
+ uint32_t *pb); /* in: seed2, out: hash2 */
+
+#endif /* _lookup3_h */
+/** /snippet header */
|
