common/new.cc

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Copyright (c) 2000-2015 Ericsson Telecom AB
   3 // All rights reserved. This program and the accompanying materials
   4 // are made available under the terms of the Eclipse Public License v1.0
   5 // which accompanies this distribution, and is available at
   6 // http://www.eclipse.org/legal/epl-v10.html
   7 ///////////////////////////////////////////////////////////////////////////////
   8 #include "dbgnew.hh"
   9 #include <stddef.h>
  10
  11 #undef new
  12
  13 static void *dummy = NULL;
  14
  15 void *operator new(size_t size) throw ()
  16 {
  17     return Malloc(size);
  18 }
  19
  20 void *operator new[](size_t size) throw ()
  21 {
  22     if (size == 0) return &dummy;
  23     else return Malloc(size);
  24 }
  25
  26 void operator delete(void *ptr) throw()
  27 {
  28     Free(ptr);
  29 }
  30
  31 void operator delete[](void *ptr) throw()
  32 {
  33     if (ptr != (void*)&dummy) Free(ptr);
  34 }
  35
  36 /**************************************************************************/
  37
  38 #ifdef MEMORY_DEBUG
  39
  40 // overloads for memory debug
  41 void* operator new(size_t size, const char* file, int line)
  42 {
  43     return Malloc_dbg(file, line, size);
  44 }
  45
  46 void* operator new[](size_t size, const char* file, int line)
  47 {
  48     if (size == 0) return &dummy;
  49     else return Malloc_dbg(file, line, size);
  50 }
  51
  52 int debug_new_counter_t::count = 0; // initial value
  53
  54 #if defined(__CYGWIN__) || defined(INTERIX)
  55
  56 extern char**__argv;
  57
  58 #else
  59
  60 const char * __argv [] __attribute__((weak)) =
  61 {
  62   "program"
  63 };
  64
  65 #endif
  66
  67 const char * debug_new_counter_t::progname = __argv[0];
  68
  69 debug_new_counter_t::debug_new_counter_t()
  70 {
  71   ++count;
  72 }
  73
  74 debug_new_counter_t::~debug_new_counter_t()
  75 {
  76   if (--count == 0) {
  77     check_mem_leak(progname);
  78   }
  79 }
  80
  81 void debug_new_counter_t::set_program_name(const char * pgn)
  82 {
  83   progname = pgn;
  84 }
  85
  86 #endif // MEMORY_DEBUG