sdk/lib/cpprt/ehvec.cpp

   1 /*
   2  * PROJECT:         ReactOS c++ runtime library
   3  * LICENSE:         GPLv2+ - See COPYING in the top level directory
   4  * PURPOSE:         Exception-handling vector ctor/dtor iterator implementation
   5  * PROGRAMMER:      Thomas Faber (thomas.faber@reactos.org)
   6  */
   7
   8 #include <stddef.h>
   9
  10 void __stdcall MSVCRTEX_eh_vector_constructor_iterator(void *pMem, size_t sizeOfItem, int nItems, void (__thiscall *ctor)(void *), void (__thiscall *dtor)(void *))
  11 {
  12     char *pEnd = static_cast<char *>(pMem) + nItems * sizeOfItem;
  13     for (char *pItem = static_cast<char *>(pMem);
  14          pItem < pEnd;
  15          pItem += sizeOfItem)
  16     {
  17         try
  18         {
  19             ctor(pItem);
  20         }
  21         catch (...)
  22         {
  23             for (pItem -= sizeOfItem; pItem >= pMem; pItem -= sizeOfItem)
  24                 dtor(pItem);
  25             throw;
  26         }
  27     }
  28 }
  29
  30 void __stdcall MSVCRTEX_eh_vector_destructor_iterator(void *pMem, size_t sizeOfItem, int nItems, void (__thiscall *dtor)(void *))
  31 {
  32     char *pEnd = static_cast<char *>(pMem) + nItems * sizeOfItem;
  33     for (char *pItem = pEnd - sizeOfItem;
  34          pItem >= pMem;
  35          pItem -= sizeOfItem)
  36     {
  37         try
  38         {
  39             dtor(pItem);
  40         }
  41         catch (...)
  42         {
  43             for (pItem -= sizeOfItem; pItem >= pMem; pItem -= sizeOfItem)
  44                 dtor(pItem);
  45             throw;
  46         }
  47     }
  48 }