X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fmurmur_hash.c;h=7275aa348e253f286c5aac52a18b5cf9ebfbadb3;hb=901d63226e7c2385b6f169f9f09007f65a0c2fe4;hp=ce28ec389cd08a571dd144e21bea3e9479817c13;hpb=01de4afa83a6f906eb666ff23a0888fbb5f4005f;p=awesomized%2Flibmemcached

diff --git a/libmemcached/murmur_hash.c b/libmemcached/murmur_hash.c
index ce28ec38..7275aa34 100644
--- a/libmemcached/murmur_hash.c
+++ b/libmemcached/murmur_hash.c
@@ -6,33 +6,29 @@
 
 #define MIX(h,k,m) { k *= m; k ^= k >> r; k *= m; h *= m; h ^= k; }
 
-uint32_t murmur_hash(char *key, size_t length)
+uint32_t murmur_hash(const char *key, size_t length)
 {
   const uint32_t m= 0x5bd1e995;
   const int r= 16;
   uint32_t h= length * m;
+  uint32_t k = 0;
 
   while(length >= 4)
   {
-    uint32_t k = *(uint32_t*)key;
+    k = *(uint32_t*)key;
     MIX(h,k,m);
 
     key += 4;
     length -= 4;
   }
 
-  if (length)
+  switch(length)
   {
-    uint32_t k= 0;
-
-    switch(length)
-    {
-    case 3: k += key[2] << 16;
-    case 2: k += key[1] << 8;
-    case 1: k += key[0];
-    };
-    MIX(h,k,m);
-  }
+  case 3: k += key[2] << 16;
+  case 2: k += key[1] << 8;
+  case 1: k += key[0];
+          MIX(h,k,m);
+  };
 
   h *= m;
   h ^= h >> 10;