--- deliantra/server/include/dynbuf.h	2009/10/12 14:00:58	1.22
+++ deliantra/server/include/dynbuf.h	2016/11/16 23:42:00	1.35
@@ -1,24 +1,24 @@
 /*
  * This file is part of Deliantra, the Roguelike Realtime MMORPG.
- * 
- * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
- * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
- * Copyright (©) 1992,2007 Frank Tore Johansen
- * 
+ *
+ * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
+ * Copyright (©) 2002 Mark Wedel & Crossfire Development Team
+ * Copyright (©) 1992 Frank Tore Johansen
+ *
  * Deliantra is free software: you can redistribute it and/or modify it under
  * the terms of the Affero GNU General Public License as published by the
  * Free Software Foundation, either version 3 of the License, or (at your
  * option) any later version.
- * 
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  * GNU General Public License for more details.
- * 
+ *
  * You should have received a copy of the Affero GNU General Public License
  * and the GNU General Public License along with this program. If not, see
  * <http://www.gnu.org/licenses/>.
- * 
+ *
  * The authors can be reached via e-mail to <support@deliantra.net>
  */
 
@@ -28,6 +28,7 @@
 #include <cstring>
 #include <cassert>
 
+#include "compiler.h"
 #include "util.h"
 #include "shstr.h"
 
@@ -57,7 +58,7 @@
   void reserve (int size);
   void init (int initial);  // allocate sinitial chunk
   void free (chunk *&chain); // free chain of chunks
-  char *_linearise ();
+  char *_linearise (int extra = 0);
   void finalise ();
 
 public:
@@ -91,14 +92,24 @@
 
   int room () const { return end - ptr; }
 
+  // make sure we have "size" extra room
   char *force (int size)
   {
-    if (expect_false (ptr + size >= end))
+    if (expect_false (ptr + size > end))
       reserve (size);
 
+    assume (ptr + size <= end);
+
     return ptr;
   }
 
+  // used for force + alloc combo
+  void alloc (char *p)
+  {
+    ptr = p;
+  }
+
+  // allocate size bytes and return pointer to them (caller must force())
   char *falloc (int size)
   {
     char *res = ptr;
@@ -106,6 +117,7 @@
     return res;
   }
 
+  // allocate size bytes and return pointer to them
   char *alloc (int size)
   {
     force (size);
@@ -140,6 +152,10 @@
     add (s.s, s.length ());
   }
 
+  // rather inefficient
+  void splice (int offset, int olen, const char *s, int slen);
+  void splice (int offset, int olen) { splice (offset, olen, "", 0); }
+
   //TODO
   //void add_destructive (dynbuf &buf);
 
@@ -176,14 +192,21 @@
   dynbuf_text &operator << (uint32 i) { add (sint64 (i)); return *this; }
   dynbuf_text &operator << (uint64 i) { add (sint64 (i)); return *this; }
 
-  void printf (const char *format, ...);
+  void printf (const char *format, ...) attribute ((format (printf, 2, 3)));
   void vprintf (const char *format, va_list ap);
 
   void add_abilities (const char *name, uint32 abilities);
   void add_paths     (const char *name, uint32 paths);
 
+  // we need to redefine, to keep the API :/
+  using dynbuf::splice;
+  void splice (int offset, int olen, const char *s)
+  {
+    dynbuf::splice (offset, olen, s, strlen (s));
+  }
+
   // returns the string, linearised and with trailing \0
-  operator const char * ();
+  operator char *();
 };
 
 #endif