ext/callsite_hash.c in slim_scrooge-1.0.12 vs ext/callsite_hash.c in slim_scrooge-1.0.14

@@ -4,42 +4,60 @@
 #include "node.h"
 #include "env.h"
 
 static int strhash(register const char *string) {
   register int c;
-  register int val = 0;
+  register int val;
+  register const char* s1 = string;
+  register const char* s2 = string;
 
   while ((c = *string++) != '\0') {
+    if (c == '/') {
+      if (val)
+        s1 = string;
+      else
+        s2 = string;
+      val = !val;
+  }
+  }
+  if (s1 > s2) {
+    s1 = s2;
+  }
+  val = 0;
+  while ((c = *s1++) != '\0') {
     val = val*997 + c;
   }
-
   return val + (val>>5);
 }
 
 static VALUE rb_f_callsite(VALUE obj) {
   struct FRAME *frame = ruby_frame;
   NODE *n;
   int csite = 0;
+  int files = 0;
 
   if (frame->last_func == ID_ALLOCATOR) frame = frame->prev;
 
   ruby_set_current_source();
   if (ruby_sourcefile) csite += strhash(ruby_sourcefile);
   csite += frame->last_func + ruby_sourceline; 
 
-  for (; frame && (n = frame->node); frame = frame->prev) {
+  for (; frame && (n = frame->node) && files < 10; frame = frame->prev) {
     if (frame->prev && frame->prev->last_func) {
       if (frame->prev->node == n) {
         if (frame->prev->last_func == frame->last_func) continue;
       }
       csite += frame->prev->last_func;
     }
-    if (n->nd_file) csite += strhash(n->nd_file);
+    if (n->nd_file) {
+      csite += strhash(n->nd_file);
+      files++;
+    } 
     csite += nd_line(n);
   }
 
   return INT2FIX(csite);
 }
 
 void Init_callsite_hash() {
   rb_define_global_function("callsite_hash", rb_f_callsite, 0);
-}
+}
\ No newline at end of file