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Explicit casting added to the 'check for time out' function to ensure integer promotion does not occur.

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This commit is contained in:
Richard Barry 2009-07-25 18:10:16 +00:00
parent af6c245366
commit 87eb48c97c
1 changed files with 13 additions and 13 deletions
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6
Source/tasks.c
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@ -1693,7 +1693,7 @@ portBASE_TYPE xReturn;
else /* We are not blocking indefinitely, perform the checks below. */ else /* We are not blocking indefinitely, perform the checks below. */
#endif #endif
if( ( xNumOfOverflows != pxTimeOut->xOverflowCount ) && ( xTickCount >= pxTimeOut->xTimeOnEntering ) ) if( ( xNumOfOverflows != pxTimeOut->xOverflowCount ) && ( ( portTickType ) xTickCount >= ( portTickType ) pxTimeOut->xTimeOnEntering ) )
{ {
/* The tick count is greater than the time at which vTaskSetTimeout() /* The tick count is greater than the time at which vTaskSetTimeout()
was called, but has also overflowed since vTaskSetTimeOut() was called. was called, but has also overflowed since vTaskSetTimeOut() was called.
@ -1701,10 +1701,10 @@ portBASE_TYPE xReturn;
passed since vTaskSetTimeout() was called. */ passed since vTaskSetTimeout() was called. */
xReturn = pdTRUE; xReturn = pdTRUE;
} }
else if( ( xTickCount - pxTimeOut->xTimeOnEntering ) < *pxTicksToWait ) else if( ( ( portTickType ) xTickCount - ( portTickType ) pxTimeOut->xTimeOnEntering ) < ( portTickType ) *pxTicksToWait )
{ {
/* Not a genuine timeout. Adjust parameters for time remaining. */ /* Not a genuine timeout. Adjust parameters for time remaining. */
*pxTicksToWait -= ( xTickCount - pxTimeOut->xTimeOnEntering ); *pxTicksToWait -= ( ( portTickType ) xTickCount - ( portTickType ) pxTimeOut->xTimeOnEntering );
vTaskSetTimeOutState( pxTimeOut ); vTaskSetTimeOutState( pxTimeOut );
xReturn = pdFALSE; xReturn = pdFALSE;
} }