Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (pDest As Any, pSource As Any, ByVal dwLength As Long)
Private Declare Function LocalAlloc Lib "kernel32" (ByVal uFlags As Long, ByVal uBytes As Long) As Long Private Declare Function LocalFree Lib "kernel32" (ByVal hMem As Long) As Long Private Const LPTR = (&H0 Or &H40) Public Function malloc(Strin As String) As Long Dim PointerA As Long, lSize As Long lSize = LenB(Strin) 'Length of String in bytes. 'Allocate the memory needed and returns a pointer to that memory PointerA = LocalAlloc(LPTR, lSize + 4) If PointerA <> 0 Then 'Final allocation CopyMemory ByVal PointerA, lSize, 4 If lSize > 0 Then 'copy the string to that allocated memory. CopyMemory ByVal PointerA + 4, ByVal StrPtr(Strin), lSize End If End If 'return the pointer to the string stored memory malloc = PointerA End Function Public Function RetMemory(PointerA As Long) As String Dim lSize As Long, sThis As String If PointerA = 0 Then GetMemory = "" Else 'get the size of the string stored at pointer "PointerA" CopyMemory lSize, ByVal PointerA, 4 If lSize > 0 Then 'buffer a varible sThis = String(lSize \ 2, 0) 'retrive the data at the address of "PointerA" CopyMemory ByVal StrPtr(sThis), ByVal PointerA + 4, lSize 'return the buffer RetMemory = sThis End If End If End Function Public Sub FreeMemory(PointerA As Long) 'frees up the memory at the address of "PointerA" LocalFree PointerA End Sub |