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ethercat
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Fixed possible null pointer dereference in ethercat tool.

This commit is contained in:
Florian Pose 2012-01-04 15:57:10 +01:00
parent 6efa819950
commit bc13f9573e
1 changed files with 7 additions and 7 deletions
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14
tool/DataTypeHandler.cpp
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@ -54,7 +54,7 @@ const DataTypeHandler::DataType *DataTypeHandler::findDataType(
)
{
const DataType *d;
for (d = dataTypes; d->name; d++)
if (str == d->name)
return d;
@ -86,7 +86,7 @@ string DataTypeHandler::typeInfo()
const DataTypeHandler::DataType *DataTypeHandler::findDataType(uint16_t code)
{
const DataType *d;
for (d = dataTypes; d->name; d++)
if (code == d->code)
return d;
@ -286,7 +286,7 @@ void DataTypeHandler::outputData(
o << setfill('0');
switch (type->code) {
switch (typeCode) {
case 0x0001: // bool
{
int val = (int) *(int8_t *) data;
@ -378,7 +378,7 @@ void DataTypeHandler::outputData(
{
int8_t val = *(uint8_t *) data;
int8_t smval = val < 0 ? (val & 0x7f) * -1 : val;
o << "0x" << hex << setw(2) << (int) val
<< " " << dec << (int) smval << endl;
}
@ -387,7 +387,7 @@ void DataTypeHandler::outputData(
{
int16_t val = le16_to_cpup(data);
int16_t smval = val < 0 ? (val & 0x7fff) * -1 : val;
o << "0x" << hex << setw(4) << val
<< " " << dec << smval << endl;
}
@ -396,7 +396,7 @@ void DataTypeHandler::outputData(
{
int32_t val = le32_to_cpup(data);
int32_t smval = val < 0 ? (val & 0x7fffffffUL) * -1 : val;
o << "0x" << hex << setw(8) << val
<< " " << dec << smval << endl;
}
@ -406,7 +406,7 @@ void DataTypeHandler::outputData(
int64_t val = le64_to_cpup(data);
int64_t smval =
val < 0 ? (val & 0x7fffffffffffffffULL) * -1 : val;
o << "0x" << hex << setw(16) << val
<< " " << dec << smval << endl;
}