src/add-ons/kernel/file_systems/reiserfs/cpp.h

   1 #ifndef CPP_H
   2 #define CPP_H
   3 /* cpp - C++ in the kernel
   4 **
   5 ** Initial version by Axel Dörfler, axeld@pinc-software.de
   6 ** This file may be used under the terms of the MIT License.
   7 */
   8
   9 #ifdef __cplusplus
  10
  11 #include <new>
  12 #include <stdlib.h>
  13
  14 using namespace std;
  15
  16 // Oh no! C++ in the kernel! Are you nuts?
  17 //
  18 //      - no exceptions
  19 //      - (almost) no virtuals (well, the Query code now uses them)
  20 //      - it's basically only the C++ syntax, and type checking
  21 //      - since one tend to encapsulate everything in classes, it has a slightly
  22 //        higher memory overhead
  23 //      - nicer code
  24 //      - easier to maintain
  25
  26
  27 inline void *operator new(size_t size, const nothrow_t&) throw()
  28 {
  29         return malloc(size);
  30 }
  31
  32 inline void *operator new[](size_t size, const nothrow_t&) throw()
  33 {
  34         return malloc(size);
  35 }
  36
  37 inline void operator delete(void *ptr)
  38 {
  39         free(ptr);
  40 }
  41
  42 inline void operator delete[](void *ptr)
  43 {
  44         free(ptr);
  45 }
  46
  47 // now we're using virtuals
  48 extern "C" void __pure_virtual();
  49
  50 //extern nothrow_t _dontthrow;
  51 //#define new new (_dontthrow)
  52
  53 #endif  // __cplusplus
  54
  55 #endif  /* CPP_H */