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wasapi: improved parameter checks for blocking API

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This commit is contained in:
dmitrykos 2010-03-13 19:13:06 +00:00
commit f65b1391e5
1 changed files with 3 additions and 21 deletions
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24
src/hostapi/wasapi/pa_win_wasapi.c
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@ -2500,12 +2500,10 @@ static PaError ReadStream( PaStream* s, void *_buffer, unsigned long _frames )
UINT32 buffer_size;
// validate
if (s == NULL)
if (!stream->running)
return paStreamIsStopped;
if (stream->cclient == NULL)
return paBadStreamPtr;
if (_buffer == NULL)
return paBadBufferPtr;
if (_frames == 0)
return paBufferTooSmall;
// Notify blocking op has begun
ResetEvent(stream->hBlockingOpStreamRD);
@ -2570,16 +2568,8 @@ static PaError WriteStream( PaStream* s, const void *_buffer, unsigned long _fra
UINT32 i;
// validate
if (s == NULL)
return paBadStreamPtr;
if (_buffer == NULL)
return paBadBufferPtr;
if (_frames == 0)
return paBufferTooSmall;
if (!stream->running)
return paStreamIsStopped;
if (stream->rclient == NULL)
return paBadStreamPtr;
@ -2701,12 +2691,8 @@ static signed long GetStreamReadAvailable( PaStream* s )
UINT32 pending = 0;
// validate
if (s == NULL)
return paBadStreamPtr;
if (!stream->running)
return paStreamIsStopped;
if (stream->cclient == NULL)
return paBadStreamPtr;
@ -2730,12 +2716,8 @@ static signed long GetStreamWriteAvailable( PaStream* s )
UINT32 padding = 0;
// validate
if (s == NULL)
return paBadStreamPtr;
if (!stream->running)
return paStreamIsStopped;
if (stream->rclient == NULL)
return paBadStreamPtr;