/**************************************************************************
* mmioInstallIOProc [MMSYSTEM.1221]
*/
LPMMIOPROC16 WINAPI mmioInstallIOProc16(FOURCC fccIOProc, LPMMIOPROC16 pIOProc,
DWORD dwFlags)
{
struct mmio_thunk* thunk = NULL;
LPMMIOPROC pIOProc32;
EnterCriticalSection(&mmio_cs);
switch (dwFlags & (MMIO_INSTALLPROC|MMIO_REMOVEPROC|MMIO_FINDPROC)) {
case MMIO_INSTALLPROC:
if (!(thunk = MMIO_AddThunk(pIOProc, NULL)))
{
LeaveCriticalSection(&mmio_cs);
return NULL;
}
if (!mmioInstallIOProcA(fccIOProc, (LPMMIOPROC)thunk, dwFlags))
{
thunk->pfn16 = NULL;
pIOProc = NULL;
}
break;
case MMIO_REMOVEPROC:
if (MMIO_Thunks)
{
for (thunk = MMIO_Thunks; thunk < &MMIO_Thunks[MMIO_MAX_THUNKS]; thunk++)
{
if (thunk->pfn16 == pIOProc && thunk->segbuffer == 0)
{
if (mmioInstallIOProcA(fccIOProc, (LPMMIOPROC)thunk, dwFlags))
thunk->pfn16 = NULL;
else
pIOProc = NULL;
break;
}
}
}
if (!thunk) pIOProc = NULL;
break;
case MMIO_FINDPROC:
if ((pIOProc32 = mmioInstallIOProcA(fccIOProc, NULL, dwFlags)) && MMIO_Thunks)
{
for (thunk = MMIO_Thunks; thunk < &MMIO_Thunks[MMIO_MAX_THUNKS]; thunk++)
{
if ((LPMMIOPROC)thunk == pIOProc32)
{
pIOProc = thunk->pfn16;
break;
}
}
}
break;
default:
WINE_FIXME("Unsupported flags %08x\n", dwFlags);
pIOProc = NULL;
}
LeaveCriticalSection(&mmio_cs);
return pIOProc;
}
static void test_mmioOpen_fourcc(void)
{
char fname[] = "file+name.xyz+one.two";
LPMMIOPROC lpProc;
HMMIO hmmio;
MMIOINFO mmio;
lpProc = mmioInstallIOProcA(FOURCC_DOS, mmio_test_IOProc, MMIO_INSTALLPROC);
ok(lpProc == mmio_test_IOProc, "mmioInstallIOProcA error\n");
lpProc = mmioInstallIOProcA(FOURCC_XYZ, mmio_test_IOProc, MMIO_INSTALLPROC);
ok(lpProc == mmio_test_IOProc, "mmioInstallIOProcA error\n");
memset(&mmio, 0, sizeof(mmio));
hmmio = mmioOpenA(fname, &mmio, MMIO_READ);
mmioGetInfo(hmmio, &mmio, 0);
ok(hmmio && mmio.fccIOProc == FOURCC_XYZ, "mmioOpenA error %u, got %4.4s\n",
mmio.wErrorRet, (LPCSTR)&mmio.fccIOProc);
ok(mmio.adwInfo[1] == 0, "mmioOpenA sent MMIOM_SEEK, got %d\n",
mmio.adwInfo[1]);
ok(mmio.lDiskOffset == 0, "mmioOpenA updated lDiskOffset, got %d\n",
mmio.lDiskOffset);
mmioClose(hmmio, 0);
mmioInstallIOProcA(FOURCC_XYZ, NULL, MMIO_REMOVEPROC);
memset(&mmio, 0, sizeof(mmio));
hmmio = mmioOpenA(fname, &mmio, MMIO_READ);
mmioGetInfo(hmmio, &mmio, 0);
ok(!hmmio && mmio.wErrorRet == MMIOERR_FILENOTFOUND, "mmioOpenA error %u, got %4.4s\n",
mmio.wErrorRet, (LPCSTR)&mmio.fccIOProc);
mmioClose(hmmio, 0);
mmioInstallIOProcA(FOURCC_DOS, NULL, MMIO_REMOVEPROC);
}
