/**************************************************************************
* mmioOpen [MMSYSTEM.1210]
*/
HMMIO16 WINAPI mmioOpen16(LPSTR szFileName, MMIOINFO16* lpmmioinfo16,
DWORD dwOpenFlags)
{
HMMIO ret;
if (lpmmioinfo16) {
MMIOINFO mmioinfo;
struct mmio_thunk* thunk = NULL;
memset(&mmioinfo, 0, sizeof(mmioinfo));
EnterCriticalSection(&mmio_cs);
if (!(thunk = MMIO_AddThunk(lpmmioinfo16->pIOProc, lpmmioinfo16->pchBuffer)))
{
LeaveCriticalSection(&mmio_cs);
return 0;
}
mmioinfo.dwFlags = lpmmioinfo16->dwFlags;
mmioinfo.fccIOProc = lpmmioinfo16->fccIOProc;
mmioinfo.pIOProc = lpmmioinfo16->pIOProc ? (LPMMIOPROC)thunk : 0;
mmioinfo.cchBuffer = lpmmioinfo16->cchBuffer;
mmioinfo.pchBuffer = MapSL((DWORD)lpmmioinfo16->pchBuffer);
mmioinfo.adwInfo[0] = lpmmioinfo16->adwInfo[0];
/* if we don't have a file name, it's likely a passed open file descriptor */
if (!szFileName)
mmioinfo.adwInfo[0] = (DWORD)DosFileHandleToWin32Handle(mmioinfo.adwInfo[0]);
mmioinfo.adwInfo[1] = lpmmioinfo16->adwInfo[1];
mmioinfo.adwInfo[2] = lpmmioinfo16->adwInfo[2];
ret = mmioOpenA(szFileName, &mmioinfo, dwOpenFlags);
if (!ret || (dwOpenFlags & (MMIO_PARSE|MMIO_EXIST)))
{
thunk->pfn16 = NULL;
thunk->hMmio = NULL;
}
else thunk->hMmio = ret;
if (ret && (dwOpenFlags & MMIO_ALLOCBUF))
{
MMIOINFO m;
if (lpmmioinfo16->pchBuffer) FIXME("ooch\n");
/* FIXME: check whether mmioOpen should set pchBuffer */
mmioGetInfo(ret, &m, 0);
thunk->segbuffer = MapLS(m.pchBuffer);
}
LeaveCriticalSection(&mmio_cs);
lpmmioinfo16->wErrorRet = mmioinfo.wErrorRet;
lpmmioinfo16->hmmio = HMMIO_16(mmioinfo.hmmio);
} else {
ret = mmioOpenA(szFileName, NULL, dwOpenFlags);
}
return HMMIO_16(ret);
}
/**************************************************************************
* mmioGetInfo [MMSYSTEM.1215]
*/
MMRESULT16 WINAPI mmioGetInfo16(HMMIO16 hmmio, MMIOINFO16* lpmmioinfo, UINT16 uFlags)
{
MMIOINFO mmioinfo;
MMRESULT ret;
struct mmio_thunk* thunk;
TRACE("(0x%04x,%p,0x%08x)\n", hmmio, lpmmioinfo, uFlags);
EnterCriticalSection(&mmio_cs);
if ((thunk = MMIO_HasThunk(HMMIO_32(hmmio))) == NULL)
{
LeaveCriticalSection(&mmio_cs);
return MMSYSERR_INVALHANDLE;
}
ret = mmioGetInfo(HMMIO_32(hmmio), &mmioinfo, uFlags);
if (ret != MMSYSERR_NOERROR)
{
LeaveCriticalSection(&mmio_cs);
return ret;
}
lpmmioinfo->dwFlags = mmioinfo.dwFlags;
lpmmioinfo->fccIOProc = mmioinfo.fccIOProc;
lpmmioinfo->pIOProc = thunk->pfn16;
lpmmioinfo->wErrorRet = mmioinfo.wErrorRet;
lpmmioinfo->hTask = HTASK_16(mmioinfo.hTask);
lpmmioinfo->cchBuffer = mmioinfo.cchBuffer;
lpmmioinfo->pchBuffer = (void*)thunk->segbuffer;
lpmmioinfo->pchNext = (void*)(thunk->segbuffer + (mmioinfo.pchNext - mmioinfo.pchBuffer));
lpmmioinfo->pchEndRead = (void*)(thunk->segbuffer + (mmioinfo.pchEndRead - mmioinfo.pchBuffer));
lpmmioinfo->pchEndWrite = (void*)(thunk->segbuffer + (mmioinfo.pchEndWrite - mmioinfo.pchBuffer));
lpmmioinfo->lBufOffset = mmioinfo.lBufOffset;
lpmmioinfo->lDiskOffset = mmioinfo.lDiskOffset;
lpmmioinfo->adwInfo[0] = mmioinfo.adwInfo[0];
lpmmioinfo->adwInfo[1] = mmioinfo.adwInfo[1];
lpmmioinfo->adwInfo[2] = mmioinfo.adwInfo[2];
lpmmioinfo->dwReserved1 = 0;
lpmmioinfo->dwReserved2 = 0;
lpmmioinfo->hmmio = HMMIO_16(mmioinfo.hmmio);
LeaveCriticalSection(&mmio_cs);
return MMSYSERR_NOERROR;
}