-speeding up baadf00d code by 7x (on i7)

1 files changed, 7 insertions, 4 deletions

diff --git a/src/util/common_allocation.c b/src/util/common_allocation.c
index ab8715a6d..1828d826a 100644
--- a/src/util/common_allocation.c
+++ b/src/util/common_allocation.c
@@ -222,11 +222,14 @@ GNUNET_xfree_ (void *ptr, const char *filename, int linenumber)
 #if defined(M_SIZE)
 #if ENABLE_POISONING
   {
+    const uint64_t baadfood = GNUNET_ntohll (0xBAADF00DBAADF00DLL);
+    uint64_t *base = ptr;
+    size_t s = M_SIZE (ptr);  
     size_t i;
-    char baadfood[5] = BAADFOOD_STR;
-    size_t s = M_SIZE (ptr);
-    for (i = 0; i < s; i++)
-      ((char *) ptr)[i] = baadfood[i % 4];
+    
+    for (i=0;i<s/8;i++)
+      base[i] = baadfood;
+    memcpy (&base[s/8], &baadfood, s % 8);
   }
 #endif
 #endif