Memory leak in createEnumeration

[Jan Rheinländer <jrheinlaender@xxxxxx>]

Hi,

there seems to be a memory leak in
XEnumerationAccess::createEnumeration(). When I run the following BASIC
code on a Writer document, I can watch the memory usage go up:

Sub Main
    for i = 1 to 100000
        text = ThisComponent.getText()
       
        paragraphs = text.createEnumeration()
       
        while (paragraphs.hasMoreElements())
            paragraph = paragraphs.nextElement()
           
            parenum = paragraph.createEnumeration()
        wend
    next
End Sub

I discovered the problem first in a C++ Extension where it seems to be a
lot worse (a few hundred iterations are enough). But it also seems to
depend on how many paragraphs your document has. A large document will
fill memory faster than a small document.

Version: 6.3.3.2
Build-ID: 1:6.3.3-0ubuntu0.18.04.1~lo1
CPU-Threads: 4; BS: Linux 4.15; UI-Render: Standard; VCL: kde5;

and also:

Version: 6.3.2.2 (x64)
Build-ID: 98b30e735bda24bc04ab42594c85f7fd8be07b9c
CPU-Threads: 2; BS: Windows 6.3; UI-Render: Standard; VCL: win;

Greetings,

Jan


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