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mciqtz32: Simplify null parameter checks.

oldstable
Akihiro Sagawa 2015-05-08 00:37:23 +09:00 committed by Alexandre Julliard
parent 46d5973961
commit 7d5af1d889
1 changed files with 6 additions and 32 deletions
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38
dlls/mciqtz32/mciqtz.c
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@ -213,9 +213,6 @@ static DWORD MCIQTZ_mciOpen(UINT wDevID, DWORD dwFlags,
TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpOpenParms);
if (!lpOpenParms)
return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIQTZ_mciGetOpenDev(wDevID);
if (!wma)
return MCIERR_INVALID_DEVICE_ID;
@ -439,9 +436,6 @@ static DWORD MCIQTZ_mciPlay(UINT wDevID, DWORD dwFlags, LPMCI_PLAY_PARMS lpParms
TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpParms);
if (!lpParms)
return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIQTZ_mciGetOpenDev(wDevID);
if (!wma)
return MCIERR_INVALID_DEVICE_ID;
@ -499,9 +493,6 @@ static DWORD MCIQTZ_mciSeek(UINT wDevID, DWORD dwFlags, LPMCI_SEEK_PARMS lpParms
TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpParms);
if (!lpParms)
return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIQTZ_mciGetOpenDev(wDevID);
if (!wma)
return MCIERR_INVALID_DEVICE_ID;
@ -594,9 +585,6 @@ static DWORD MCIQTZ_mciGetDevCaps(UINT wDevID, DWORD dwFlags, LPMCI_GETDEVCAPS_P
TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpParms);
if (!lpParms)
return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIQTZ_mciGetOpenDev(wDevID);
if (!wma)
return MCIERR_INVALID_DEVICE_ID;
@ -693,9 +681,6 @@ static DWORD MCIQTZ_mciSet(UINT wDevID, DWORD dwFlags, LPMCI_DGV_SET_PARMS lpPar
TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpParms);
if (!lpParms)
return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIQTZ_mciGetOpenDev(wDevID);
if (!wma)
return MCIERR_INVALID_DEVICE_ID;
@ -750,9 +735,6 @@ static DWORD MCIQTZ_mciStatus(UINT wDevID, DWORD dwFlags, LPMCI_DGV_STATUS_PARMS
TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpParms);
if (!lpParms)
return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIQTZ_mciGetOpenDev(wDevID);
if (!wma)
return MCIERR_INVALID_DEVICE_ID;
@ -853,9 +835,6 @@ static DWORD MCIQTZ_mciWhere(UINT wDevID, DWORD dwFlags, LPMCI_DGV_RECT_PARMS lp
TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpParms);
if (!lpParms)
return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIQTZ_mciGetOpenDev(wDevID);
if (!wma)
return MCIERR_INVALID_DEVICE_ID;
@ -918,8 +897,6 @@ static DWORD MCIQTZ_mciWindow(UINT wDevID, DWORD dwFlags, LPMCI_DGV_WINDOW_PARMS
TRACE("(%04x, %08X, %p)\n", wDevID, dwFlags, lpParms);
if (!lpParms)
return MCIERR_NULL_PARAMETER_BLOCK;
if (!wma)
return MCIERR_INVALID_DEVICE_ID;
if (dwFlags & MCI_TEST)
@ -963,9 +940,6 @@ static DWORD MCIQTZ_mciUpdate(UINT wDevID, DWORD dwFlags, LPMCI_DGV_UPDATE_PARMS
TRACE("%04x, %08x, %p\n", wDevID, dwFlags, lpParms);
if (!lpParms)
return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIQTZ_mciGetOpenDev(wDevID);
if (!wma)
return MCIERR_INVALID_DEVICE_ID;
@ -1027,9 +1001,6 @@ static DWORD MCIQTZ_mciSetAudio(UINT wDevID, DWORD dwFlags, LPMCI_DGV_SETAUDIO_P
TRACE("(%04x, %08x, %p)\n", wDevID, dwFlags, lpParms);
if (!lpParms)
return MCIERR_NULL_PARAMETER_BLOCK;
wma = MCIQTZ_mciGetOpenDev(wDevID);
if (!wma)
return MCIERR_INVALID_DEVICE_ID;
@ -1170,20 +1141,23 @@ LRESULT CALLBACK MCIQTZ_DriverProc(DWORD_PTR dwDevID, HDRVR hDriv, UINT wMsg,
switch (wMsg) {
case MCI_OPEN_DRIVER:
case MCI_CLOSE_DRIVER:
case MCI_PLAY:
case MCI_SEEK:
case MCI_STOP:
case MCI_PAUSE:
case MCI_GETDEVCAPS:
case MCI_SET:
case MCI_STATUS:
case MCI_WHERE:
if (!dwParam2) return MCIERR_NULL_PARAMETER_BLOCK;
return MCIQTZ_relayTaskMessage(dwDevID, wMsg, dwParam1, dwParam2);
case MCI_CLOSE_DRIVER:
case MCI_STOP:
case MCI_PAUSE:
return MCIQTZ_relayTaskMessage(dwDevID, wMsg, dwParam1, dwParam2);
/* Digital Video specific */
case MCI_SETAUDIO:
case MCI_UPDATE:
case MCI_WINDOW:
if (!dwParam2) return MCIERR_NULL_PARAMETER_BLOCK;
return MCIQTZ_relayTaskMessage(dwDevID, wMsg, dwParam1, dwParam2);
case MCI_PUT:
case MCI_RECORD: