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authorJohn Denker <jsd@av8n.com>2012-06-01 23:07:51 -0700
committerJohn Denker <jsd@av8n.com>2012-06-02 17:30:23 -0700
commit0d0f7a0e7c32842edff533246a1f8523306f9ab0 (patch)
tree43dbb2fffaa8d490731969f39f5d20832523bd5d /ucspi-tcp-0.88/cdb_hash.c
parent94c58d7f8cabd9b1ff4c33c57a6ff76cdf3f955e (diff)
as downloaded : ucspi-tcp
Diffstat (limited to 'ucspi-tcp-0.88/cdb_hash.c')
-rw-r--r--ucspi-tcp-0.88/cdb_hash.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/ucspi-tcp-0.88/cdb_hash.c b/ucspi-tcp-0.88/cdb_hash.c
new file mode 100644
index 0000000..d8e3cb8
--- /dev/null
+++ b/ucspi-tcp-0.88/cdb_hash.c
@@ -0,0 +1,21 @@
+/* Public domain. */
+
+#include "cdb.h"
+
+uint32 cdb_hashadd(uint32 h,unsigned char c)
+{
+ h += (h << 5);
+ return h ^ c;
+}
+
+uint32 cdb_hash(char *buf,unsigned int len)
+{
+ uint32 h;
+
+ h = CDB_HASHSTART;
+ while (len) {
+ h = cdb_hashadd(h,*buf++);
+ --len;
+ }
+ return h;
+}