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winmm: The buffer provided by an application is valid only in the mmioOpen(FOURCC_MEM) case.

This commit is contained in:
Dmitry Timoshkov 2008-10-10 12:27:45 +09:00 committed by Alexandre Julliard
parent fec569cf68
commit 5d24cb4565
1 changed files with 3 additions and 3 deletions
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6
dlls/winmm/mmio.c
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@ -570,11 +570,8 @@ static MMRESULT MMIO_SetBuffer(WINE_MMIO* wm, void* pchBuffer, LONG cchBuffer,
wm->info.dwFlags &= ~MMIO_ALLOCBUF;
}
wm->bBufferLoaded = FALSE;
if (pchBuffer) {
wm->info.pchBuffer = pchBuffer;
wm->bBufferLoaded = TRUE;
} else if (cchBuffer) {
if (!(wm->info.pchBuffer = HeapAlloc(GetProcessHeap(), 0, cchBuffer)))
return MMIOERR_OUTOFMEMORY;
@ -588,6 +585,7 @@ static MMRESULT MMIO_SetBuffer(WINE_MMIO* wm, void* pchBuffer, LONG cchBuffer,
wm->info.pchEndRead = wm->info.pchBuffer;
wm->info.pchEndWrite = wm->info.pchBuffer + cchBuffer;
wm->info.lBufOffset = wm->info.lDiskOffset;
wm->bBufferLoaded = FALSE;
return MMSYSERR_NOERROR;
}
@ -669,6 +667,8 @@ HMMIO MMIO_Open(LPSTR szFileName, MMIOINFO* refmminfo, DWORD dwOpenFlags,
refmminfo->wErrorRet = MMIO_SetBuffer(wm, refmminfo->pchBuffer, refmminfo->cchBuffer, 0);
if (refmminfo->wErrorRet != MMSYSERR_NOERROR)
goto error1;
if (wm->info.fccIOProc == FOURCC_MEM)
wm->bBufferLoaded = TRUE;
}
/* see mmioDosIOProc for that one */