initial commit with rc for skalibs-2.0.0.0

1 files changed, 17 insertions, 0 deletions

diff --git a/src/libstddjb/cdb_hash.c b/src/libstddjb/cdb_hash.c
new file mode 100644
index 0000000..9eedf54
--- /dev/null
+++ b/src/libstddjb/cdb_hash.c
@@ -0,0 +1,17 @@
+/* ISC license. */
+
+#include <skalibs/uint32.h>
+#include <skalibs/cdb.h>
+
+uint32 cdb_hashadd (uint32 h, unsigned char c)
+{
+  h += (h << 5) ;
+  return h ^ c ;
+}
+
+uint32 cdb_hash (char const *buf, unsigned int len)
+{
+  uint32 h = CDB_HASHSTART ;
+  while (len--) h = cdb_hashadd(h, *buf++) ;
+  return h ;
+}