--- deliantra/server/common/shstr.C	2007/11/08 19:43:23	1.28
+++ deliantra/server/common/shstr.C	2008/12/31 17:35:37	1.32
@@ -1,7 +1,7 @@
 /*
  * This file is part of Deliantra, the Roguelike Realtime MMORPG.
  * 
- * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
+ * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
  * 
  * Deliantra is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -32,17 +32,18 @@
 
 size_t shstr_alloc;
 
-typedef std::tr1::unordered_set <const char *, str_hash, str_equal, slice_allocator<const char *>, true> HT;
+typedef std::tr1::unordered_set <const char *, str_hash, str_equal, slice_allocator<const char *> > HT;
 
 static HT ht;
+static int next_gc;
 
 static const char *
 makevec (const char *s)
 {
   int len = strlen (s);
 
-  shstr_alloc += sizeof (int) * 2 + len + 1;
-  const char *v = (const char *) (2 + (int *)g_slice_alloc (sizeof (int) * 2 + len + 1));
+  shstr_alloc += sizeof (unsigned int) * 2 + len + 1;
+  const char *v = (const char *) (2 + (int *)g_slice_alloc (sizeof (unsigned int) * 2 + len + 1));
 
   shstr::length (v) = len;
   shstr::refcnt (v) = 1;
@@ -56,11 +57,12 @@
 makenull ()
 {
   const char *s = makevec ("(null)");
-  shstr::length (s) = 0;
+  shstr_tmp::length (s) = 0;
+  //shstr    ::refcnt (s) = 0xffffffff; // useful for debugging
   return s;
 }
 
-const char *shstr::null = makenull ();
+const char *shstr_tmp::null = makenull ();
 
 const char *
 shstr::find (const char *s)
@@ -85,6 +87,7 @@
       return found;
     }
 
+  --next_gc;
   s = makevec (s);
   ht.insert (s);
   return s;
@@ -95,6 +98,9 @@
 void
 shstr::gc ()
 {
+  if (expect_true (next_gc > 0))
+    return;
+
   static const char *curpos;
 
   auto (i, curpos ? ht.find (curpos) : ht.begin ());
@@ -103,6 +109,7 @@
     i = ht.begin ();
 
   int n = ht.size () / 256 + 16;
+  next_gc += n >> 1;
 
   for (;;)
     {
@@ -121,8 +128,8 @@
           ht.erase (o);
 
           //printf ("GC %4d %3d %d >%s<%d\n", (int)ht.size (), n, shstr::refcnt (s), s, shstr::length (s));
-          shstr_alloc -= sizeof (int) * 2 + length (s) + 1;
-          g_slice_free1 (sizeof (int) * 2 + length (s) + 1, -2 + (int *) s);
+          shstr_alloc -= sizeof (unsigned int) * 2 + length (s) + 1;
+          g_slice_free1 (sizeof (unsigned int) * 2 + length (s) + 1, -2 + (int *) s);
         }
       else
         ++i;
@@ -131,6 +138,8 @@
   curpos = *i;
 }
 
+const shstr shstr_null;
+
 // declare these here to get correct initialisation order
 #define def(str) const shstr shstr_ ## str (# str);
 # include "shstrinc.h"