[Vm-dev] Memory leak in Windows clipboard handling
eliot.miranda at gmail.com
Fri Nov 19 19:53:09 UTC 2010
great catch! How did you find it??
On Fri, Nov 19, 2010 at 2:08 AM, Henrik Johansen <
henrik.s.johansen at veloxit.no> wrote:
> In sqWin32Window.c, function clipboardWriteFromAt
> The line
> /* allocate temporary storage and copy string (inserting Lfs) */
> cvt = tmp = malloc(utf8Count+1);
> cvt is not released before function returns.
> Should be safe to do so after its use in
> /* Convert data to Unicode UTF16. */
> MultiByteToWideChar( CP_UTF8, 0, cvt, -1, out, wcharsNeeded );
> To reproduce:
> Write a large string in a workspace (say, 1MB of ascii chars), then
> repeatedly copy it.
> Squeak.exe's memory usage will grow, not released when doing garbage
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