common/new.cc

   1 /******************************************************************************
   2  * Copyright (c) 2000-2016 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  * Contributors:
   9  *   Balasko, Jeno
  10  *   Raduly, Csaba
  11  *   Szabo, Janos Zoltan – initial implementation
  12  *
  13  ******************************************************************************/
  14 #include "dbgnew.hh"
  15 #include <stddef.h>
  16 #include <new>
  17
  18 #undef new
  19
  20 static void *dummy = NULL;
  21
  22 void *operator new(size_t size) throw (std::bad_alloc)
  23 {
  24     return Malloc(size);
  25 }
  26
  27 void *operator new[](size_t size) throw (std::bad_alloc)
  28 {
  29     if (size == 0) return &dummy;
  30     else return Malloc(size);
  31 }
  32
  33 void operator delete(void *ptr) throw()
  34 {
  35     Free(ptr);
  36 }
  37
  38 void operator delete[](void *ptr) throw()
  39 {
  40     if (ptr != (void*)&dummy) Free(ptr);
  41 }
  42
  43 /**************************************************************************/
  44
  45 #ifdef MEMORY_DEBUG
  46
  47 // overloads for memory debug
  48 void* operator new(size_t size, const char* file, int line)
  49 {
  50     return Malloc_dbg(file, line, size);
  51 }
  52
  53 void* operator new[](size_t size, const char* file, int line)
  54 {
  55     if (size == 0) return &dummy;
  56     else return Malloc_dbg(file, line, size);
  57 }
  58
  59 int debug_new_counter_t::count = 0; // initial value
  60
  61 #if defined(__CYGWIN__) || defined(INTERIX)
  62
  63 extern char**__argv;
  64
  65 #else
  66
  67 const char * __argv [] __attribute__((weak)) =
  68 {
  69   "program"
  70 };
  71
  72 #endif
  73
  74 const char * debug_new_counter_t::progname = __argv[0];
  75
  76 debug_new_counter_t::debug_new_counter_t()
  77 {
  78   ++count;
  79 }
  80
  81 debug_new_counter_t::~debug_new_counter_t()
  82 {
  83   if (--count == 0) {
  84     check_mem_leak(progname);
  85   }
  86 }
  87
  88 void debug_new_counter_t::set_program_name(const char * pgn)
  89 {
  90   progname = pgn;
  91 }
  92
  93 #endif // MEMORY_DEBUG