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made ring buffer params const-correct

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This commit is contained in:
rossb 2011-06-17 08:01:02 +00:00
commit f95c722aad
2 changed files with 4 additions and 4 deletions
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4
src/common/pa_ringbuffer.c
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@ -77,14 +77,14 @@ ring_buffer_size_t PaUtil_InitializeRingBuffer( PaUtilRingBuffer *rbuf, ring_buf
/***************************************************************************
** Return number of elements available for reading. */
ring_buffer_size_t PaUtil_GetRingBufferReadAvailable( PaUtilRingBuffer *rbuf )
ring_buffer_size_t PaUtil_GetRingBufferReadAvailable( const PaUtilRingBuffer *rbuf )
{
PaUtil_ReadMemoryBarrier();
return ( (rbuf->writeIndex - rbuf->readIndex) & rbuf->bigMask );
}
/***************************************************************************
** Return number of elements available for writing. */
ring_buffer_size_t PaUtil_GetRingBufferWriteAvailable( PaUtilRingBuffer *rbuf )
ring_buffer_size_t PaUtil_GetRingBufferWriteAvailable( const PaUtilRingBuffer *rbuf )
{
/* Since we are calling PaUtil_GetRingBufferReadAvailable, we don't need an aditional MB */
return ( rbuf->bufferSize - PaUtil_GetRingBufferReadAvailable(rbuf));

4
src/common/pa_ringbuffer.h
View file

@ -125,7 +125,7 @@ void PaUtil_FlushRingBuffer( PaUtilRingBuffer *rbuf );
@return The number of elements available for writing.
*/
ring_buffer_size_t PaUtil_GetRingBufferWriteAvailable( PaUtilRingBuffer *rbuf );
ring_buffer_size_t PaUtil_GetRingBufferWriteAvailable( const PaUtilRingBuffer *rbuf );
/** Retrieve the number of elements available in the ring buffer for reading.
@ -133,7 +133,7 @@ ring_buffer_size_t PaUtil_GetRingBufferWriteAvailable( PaUtilRingBuffer *rbuf );
@return The number of elements available for reading.
*/
ring_buffer_size_t PaUtil_GetRingBufferReadAvailable( PaUtilRingBuffer *rbuf );
ring_buffer_size_t PaUtil_GetRingBufferReadAvailable( const PaUtilRingBuffer *rbuf );
/** Write data to the ring buffer.