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fix overflow bug #3

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fix overflow bug #3

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10 changes: 7 additions & 3 deletions src/Dataxfer.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -65,7 +65,7 @@ const int kBytes_to_Bits = 8;
void data_sendtcp(thread_Settings * mSettings, char * mBuf, Timestamp mEndTime)
{
Timestamp lastPacketTime;
long currLen = 0;
unsigned long currLen = 0;
struct itimerval it;
max_size_t totLen = 0;

Expand All @@ -75,7 +75,6 @@ void data_sendtcp(thread_Settings * mSettings, char * mBuf, Timestamp mEndTime)

// Indicates if the stream is readable
bool canRead = true, mMode_Time = isModeTime( mSettings );

ReportStruct *reportstruct = NULL;

// InitReport handles Barrier for multiple Streams
Expand Down Expand Up @@ -119,7 +118,12 @@ void data_sendtcp(thread_Settings * mSettings, char * mBuf, Timestamp mEndTime)
}

if ( !mMode_Time ) {
mSettings->mAmount -= currLen;
if (mSettings->mAmount >= currLen) {
mSettings->mAmount -= currLen;
} else {
mSettings->mAmount = 0;
}

}

} while ( ! (sInterupted ||
Expand Down