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