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0023033: Standard_MMgrOpt::Reallocate behavior must be similar to "realloc"

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Changes :
Standard_MMgrOpt::Reallocate has been modified to allocate new memory block if NULL pointer has been passed.
This commit is contained in:
dbv 2012-03-21 15:16:30 +04:00
parent 2f43ec3255
commit cf9a910a8a
2 changed files with 8 additions and 1 deletions
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6
src/Standard/Standard_MMgrOpt.cxx
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@ -718,6 +718,12 @@ void Standard_MMgrOpt::FreePools()
Standard_Address Standard_MMgrOpt::Reallocate(Standard_Address& theStorage, Standard_Address Standard_MMgrOpt::Reallocate(Standard_Address& theStorage,
const Standard_Size theNewSize) const Standard_Size theNewSize)
{ {
// if theStorage == NULL, just allocate new memory block
if (!theStorage)
{
return Allocate(theNewSize);
}
Standard_Size * aBlock = GET_BLOCK(theStorage); Standard_Size * aBlock = GET_BLOCK(theStorage);
Standard_Address newStorage = NULL; Standard_Address newStorage = NULL;

3
src/Standard/Standard_MMgrOpt.hxx
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@ -104,7 +104,8 @@ class Standard_MMgrOpt : public Standard_MMgrRoot
//! Allocate aSize bytes; see class description above //! Allocate aSize bytes; see class description above
Standard_EXPORT virtual Standard_Address Allocate(const Standard_Size aSize); Standard_EXPORT virtual Standard_Address Allocate(const Standard_Size aSize);
//! Reallocate previously allocated aPtr to a new size; aPtr is nullified //! Reallocate previously allocated aPtr to a new size; aPtr is nullified.
//! In case that aPtr is null, the function behaves exactly as Allocate.
Standard_EXPORT virtual Standard_Address Reallocate(Standard_Address& aPtr, Standard_EXPORT virtual Standard_Address Reallocate(Standard_Address& aPtr,
const Standard_Size aSize); const Standard_Size aSize);