gnu/lib/libg++/g++-include/new.h

   1 #ifndef _new_h
   2 #ifdef __GNUG__
   3 #pragma once
   4 #pragma interface
   5 #endif
   6 #define _new_h 1
   7
   8 #include <stddef.h>
   9 #include <std.h>
  10
  11 #ifndef NO_LIBGXX_MALLOC
  12 #define MALLOC_ALIGN_MASK   7 /* ptrs aligned at 8 byte boundaries */
  13 #define MALLOC_MIN_OVERHEAD 8 /* 8 bytes of overhead per pointer */
  14 #endif
  15
  16 typedef void (*new_handler_t)();
  17 extern "C" void default_new_handler();
  18 extern "C" new_handler_t set_new_handler(new_handler_t);
  19
  20 #ifdef __GNUG__
  21 #define NEW(where) new { where }
  22 #endif
  23
  24 // default placement version of operator new
  25 static inline void *operator new(size_t, void *place) { return place; }
  26
  27 // provide a C++ interface to vector-resize via realloc
  28 static inline void *operator new(size_t size, void *ptr, size_t new_len)
  29 {
  30   return realloc(ptr, new_len * size);
  31 }
  32
  33 #endif