[PATCH] dsound: Remove useless casts to self

Michael Stefaniuc mstefani at winehq.org
Fri Mar 1 13:53:53 CST 2019


On 3/1/19 2:53 PM, Andrew Eikum wrote:
> On Thu, Feb 28, 2019 at 12:50:29AM +0100, Michael Stefaniuc wrote:
>> diff --git a/dlls/dsound/primary.c b/dlls/dsound/primary.c
>> index 9f41a2b47f..852ec51b7f 100644
>> --- a/dlls/dsound/primary.c
>> +++ b/dlls/dsound/primary.c
>> @@ -576,7 +576,7 @@ static HRESULT WINAPI PrimaryBufferImpl_SetVolume(IDirectSoundBuffer8 *iface, LO
>>  
>>  		for (i = 0; i < DS_MAX_CHANNELS; i++) {
>>  			if (device->pwfx->nChannels > i){
>> -				fvol = (float)((DWORD)(device->volpan.dwTotalAmpFactor[i] & 0xFFFF) / (float)0xFFFF);
>> +				fvol = (float)((device->volpan.dwTotalAmpFactor[i] & 0xFFFF) / (float)0xFFFF);
>>  				hr = IAudioStreamVolume_SetChannelVolume(device->volume, i, fvol);
>>  				if (FAILED(hr)){
>>  					LeaveCriticalSection(&device->mixlock);
> 
> I guess I'm not opposed to these patches, but I don't really see the
> benefit either.
Less code is the first visible change.
But more importantly casts function a little bit like a comment
    /* WARNING THERE MIGHT BE DRAGONS!! */
Superfluous casts just drag the attention to code were no extra
attention is needed.


bye
	michael



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