Changeset 1833 in kBuild for trunk

Timestamp:

Oct 11, 2008 5:14:02 PM (16 years ago)

Author:

bird

Message:

kmk: Obvious optimization in file_hash_cmp.

File:

• trunk/src/kmk/file.c (modified) (1 diff)

trunk/src/kmk/file.c

@@ -56 +56 @@
 file_hash_cmp (const void *x, const void *y)
 {
+#ifdef KMK
+ /* since the names live in the strcache, there is a raging likelylood
+    that we'll match on the string pointer.  Which is wee bit faster...  */
+ struct file const *xf = ((struct file const *) x);
+ struct file const *yf = ((struct file const *) y);
+  if (xf->hname == yf->hname)
+    return 0;
+  return_ISTRING_COMPARE (xf->hname, yf->hname);
+#else
   return_ISTRING_COMPARE (((struct file const *) x)->hname,
                           ((struct file const *) y)->hname);
+#endif
 }