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more bounds checks

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john30
2015-03-11 08:42:28 +01:00
parent 4573cf53ae
commit 0d44c9bacd
2 changed files with 4 additions and 4 deletions
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src/lib/ebus/data.cpp
+2 -2
View File
@@ -705,7 +705,7 @@ result_t StringDataField::writeSymbols(istringstream& input,
if ((m_dataType.flags & BCD) != 0)
output[baseOffset + offset - incr] = (unsigned char)((6+daysSinceSunday) % 7); // Sun=0x06
else
output[baseOffset + offset - incr] = (daysSinceSunday==0 ? 7 : daysSinceSunday); // Sun=0x07
output[baseOffset + offset - incr] = (unsigned char)(daysSinceSunday==0 ? 7 : daysSinceSunday); // Sun=0x07
}
if (value >= 2000)
value -= 2000;
@@ -891,7 +891,7 @@ NumberDataField::NumberDataField(const string name, const string comment,
const unsigned char length, const unsigned char bitCount,
const int divisor)
: NumericDataField(name, comment, unit, dataType, partType, length, bitCount,
(dataType.bitCount % 8) == 0 ? 0 : (unsigned char)dataType.divisorOrFirstBit),
(unsigned char)((dataType.bitCount % 8) == 0 ? 0 : dataType.divisorOrFirstBit)),
m_divisor(divisor), m_precision(0)
{
if (divisor > 1)
src/lib/ebus/data.h
+2 -2
View File
@@ -305,7 +305,7 @@ public:
PartType getPartType() const { return m_partType; }
// @copydoc
virtual unsigned char getLength(PartType partType) { return partType == m_partType ? m_length : 0; };
virtual unsigned char getLength(PartType partType) { return partType == m_partType ? m_length : (unsigned char)0; };
// re-use same position as previous field as not all bits of fully consumed yet
/**
@@ -557,7 +557,7 @@ public:
const unsigned char length, const unsigned char bitCount,
const map<unsigned int, string> values)
: NumericDataField(name, comment, unit, dataType, partType, length, bitCount,
(dataType.bitCount < 8) ? (unsigned char)dataType.divisorOrFirstBit : 0),
(unsigned char)((dataType.bitCount < 8) ? dataType.divisorOrFirstBit : 0)),
m_values(values) {}
/**