Open
Bug 369401
Opened 18 years ago
Updated 2 years ago
MAPIReadMail() produces memory leaks, MAPIFreeBuffer() does nothing
Categories
(MailNews Core :: Simple MAPI, defect)
Tracking
(Not tracked)
UNCONFIRMED
People
(Reporter: Franke, Unassigned)
References
Details
(Keywords: memory-leak)
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.2pre) Gecko/20070111 SeaMonkey/1.1 Build Identifier: MAPIFreeBuffer() does not free anything. As a consequence, MAPIReadMail() produces memory leaks in programs using mozMapi32.dll. Reproducible: Always Steps to Reproduce: 1. Open MAPI session with MAPILogon(). 2. Call MAPIReadMail(hSession, hWnd, msgid, 0, 0, &pMsg) for some mail. 3. Call MAPIFreeBuffer(pMsg). 4. Repeat 2 and 3 many times. 5. Examine calling program's memory consumption in task manager. Actual Results: Memory is not freed by MAPIFreeBuffer(). Expected Results: MAPIFreeBuffer() should free memory allocated by MAPIReadMail(). MAPIFreeBuffer() does actually nothing because the memArray is always null: http://lxr.mozilla.org/seamonkey/source/mailnews/mapi/mapiDll/MapiDll.cpp#411 This is because SetPointerArray() in line 78 is never called. But even calling SetPointerArray() IMO would not help. Then MAPIFreeBuffer() would call mozMapi32.dll::free() on memory allocated by CoTaskMemAlloc() inside of MapiProxy.dll. This likely would crash the program using MAPI. The comment in line 71 of MapiDll.cpp: "// this can't be right." is probably right:-) MAPIFreeBuffer() shall call a function in MapiProxy.dll which frees the memory using CoTaskMemFree().
i don't suppose you could post a patch to fix this? (cvs diff -up8 preferred)
Keywords: mlk
Assignee | ||
Updated•16 years ago
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Product: Core → MailNews Core
Comment 2•16 years ago
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Sid any chance to look at this one ?
Updated•15 years ago
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Severity: normal → minor
Comment 3•13 years ago
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Christian would you be willing to make a patch ?
Comment 4•9 years ago
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Removing myslef on all the bugs I'm cced on. Please NI me if you need something on MailNews Core bugs from me.
Updated•2 years ago
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Severity: minor → S4
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Description
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