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authorHenryk Plötz <henryk@ploetzli.ch>2014-10-03 19:58:52 +0200
committerHenryk Plötz <henryk@ploetzli.ch>2014-10-03 19:58:52 +0200
commit0e5b2871ca6456b01d4bf037a6e68badf1ff1a41 (patch)
tree97b95b74c9618d85da9aa9451a55a819cd7b1c2e /cdb_hash.c
downloadtinydnssec-0e5b2871ca6456b01d4bf037a6e68badf1ff1a41.tar.gz
tinydnssec-0e5b2871ca6456b01d4bf037a6e68badf1ff1a41.tar.bz2
Initial commit of djbdns-1.05.tar.gz
Source was http://cr.yp.to/djbdns/djbdns-1.05.tar.gz, SHA1 2efdb3a039d0c548f40936aa9cb30829e0ce8c3d
Diffstat (limited to 'cdb_hash.c')
-rw-r--r--cdb_hash.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/cdb_hash.c b/cdb_hash.c
new file mode 100644
index 0000000..71102e1
--- /dev/null
+++ b/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(const char *buf,unsigned int len)
+{
+ uint32 h;
+
+ h = CDB_HASHSTART;
+ while (len) {
+ h = cdb_hashadd(h,*buf++);
+ --len;
+ }
+ return h;
+}