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Fix: remove the leak protection entirely

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This commit is contained in:
Tuan Nghia Nguyen
2026-04-18 20:51:50 +10:00
parent 247c91db50
commit 2de11c4b0c
6 changed files with 58 additions and 44 deletions
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17
modules/ANSOCR/dllmain.cpp
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@@ -163,14 +163,15 @@ extern "C" ANSOCR_API int CreateANSOCRHandleEx(ANSCENTER::ANSOCRBase** Handle,
OutputDebugStringA(buf);
}
// Release existing handle if called twice (prevents leak from LabVIEW)
if (*Handle) {
if (UnregisterOCRHandle(*Handle)) {
(*Handle)->Destroy();
delete *Handle;
}
*Handle = nullptr;
}
// Pure constructor: ignore *Handle(in). LabVIEW's CLF Node marshalling
// reuses the same temp buffer per call site, so *Handle(in) often holds
// leftover bytes from the previous Create's output even when the actual
// LabVIEW wire is a different, freshly-allocated instance. Inspecting
// *Handle(in) and destroying what we "see" tears down legitimate
// parallel instances. (Same reasoning as CreateANSAWSHandle.)
// Trade-off: a true double-Create on the same wire leaks the prior
// handle -- caller's bug; the alternative is far worse.
*Handle = nullptr;
// Validate limitSideLen: must be in (0, 20000], default to 960
if (limitSideLen <= 0 || limitSideLen > 20000)