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| author | Felix Geyer <debfx-pkg@fobos.de> | 2011-07-29 17:55:18 +0200 |
|---|---|---|
| committer | Felix Geyer <debfx-pkg@fobos.de> | 2011-07-29 17:55:18 +0200 |
| commit | cba113ca2826bc4814be2f69a7704c865a37d4ea (patch) | |
| tree | 511123b10dd1e58e56958520534f5c50e6f570fc /src/VBox/Runtime/common/misc/sg.cpp | |
| parent | 6a16f6900dd884e07125b51c9625f6be0a1f9b70 (diff) | |
| download | virtualbox-cba113ca2826bc4814be2f69a7704c865a37d4ea.tar.gz | |
Imported Upstream version 4.1.0-dfsgupstream/4.1.0-dfsg
Diffstat (limited to 'src/VBox/Runtime/common/misc/sg.cpp')
| -rw-r--r-- | src/VBox/Runtime/common/misc/sg.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/VBox/Runtime/common/misc/sg.cpp b/src/VBox/Runtime/common/misc/sg.cpp index 4d3192d86..08ef8b632 100644 --- a/src/VBox/Runtime/common/misc/sg.cpp +++ b/src/VBox/Runtime/common/misc/sg.cpp @@ -1,4 +1,4 @@ -/* $Id: sg.cpp $ */ +/* $Id: sg.cpp 36312 2011-03-18 12:59:15Z vboxsync $ */ /** @file * IPRT - S/G buffer handling. */ @@ -38,6 +38,13 @@ static void *sgBufGet(PRTSGBUF pSgBuf, size_t *pcbData) size_t cbData = RT_MIN(*pcbData, pSgBuf->cbSegLeft); void *pvBuf = pSgBuf->pvSegCur; + AssertReleaseMsg( pSgBuf->cbSegLeft <= 5 * _1M + && (uintptr_t)pSgBuf->pvSegCur >= (uintptr_t)pSgBuf->paSegs[pSgBuf->idxSeg].pvSeg + && (uintptr_t)pSgBuf->pvSegCur + pSgBuf->cbSegLeft <= (uintptr_t)pSgBuf->paSegs[pSgBuf->idxSeg].pvSeg + pSgBuf->paSegs[pSgBuf->idxSeg].cbSeg, + ("pSgBuf->idxSeg=%d pSgBuf->cSegs=%d pSgBuf->pvSegCur=%p pSgBuf->cbSegLeft=%zd pSgBuf->paSegs[%d].pvSeg=%p pSgBuf->paSegs[%d].cbSeg=%zd\n", + pSgBuf->idxSeg, pSgBuf->cSegs, pSgBuf->pvSegCur, pSgBuf->cbSegLeft, + pSgBuf->idxSeg, pSgBuf->paSegs[pSgBuf->idxSeg].pvSeg, pSgBuf->idxSeg, pSgBuf->paSegs[pSgBuf->idxSeg].cbSeg)); + pSgBuf->cbSegLeft -= cbData; /* Advance to the next segment if required. */ |