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 (std::bad_alloc)
  22 {
  23     return Malloc(size);
  24 }
  25
  26 void *operator new[](size_t size) throw (std::bad_alloc)
  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 void* operator new(size_t size, const std::nothrow_t&, const char* file, int line)
  59 {
  60     return Malloc_dbg(file, line, size);
  61 }
  62
  63 void* operator new[](size_t size, const std::nothrow_t&, const char* file, int line)
  64 {
  65     if (size == 0) return &dummy;
  66     else return Malloc_dbg(file, line, size);
  67 }
  68
  69 int debug_new_counter_t::count = 0; // initial value
  70
  71 #if defined(__CYGWIN__) || defined(INTERIX)
  72
  73 extern char**__argv;
  74
  75 #else
  76
  77 const char * __argv [] __attribute__((weak)) =
  78 {
  79   "program"
  80 };
  81
  82 #endif
  83
  84 const char * debug_new_counter_t::progname = __argv[0];
  85
  86 debug_new_counter_t::debug_new_counter_t()
  87 {
  88   ++count;
  89 }
  90
  91 debug_new_counter_t::~debug_new_counter_t()
  92 {
  93   if (--count == 0) {
  94     check_mem_leak(progname);
  95   }
  96 }
  97
  98 void debug_new_counter_t::set_program_name(const char * pgn)
  99 {
 100   progname = pgn;
 101 }
 102
 103 #endif // MEMORY_DEBUG