Commit 885a425d authored by Robert Loehning's avatar Robert Loehning
Browse files

Trk: Some minor code improvements

parent 1db44c05
......@@ -107,6 +107,7 @@ QByteArray frameMessage(byte command, byte token, const QByteArray &data, bool s
//logMessage("check: " << s << checksum << x;
QByteArray response;
response.reserve(data.size() + 3);
response.append(char(command));
response.append(char(token));
response.append(data);
......@@ -115,12 +116,12 @@ QByteArray frameMessage(byte command, byte token, const QByteArray &data, bool s
QByteArray encodedData = encode7d(response);
QByteArray ba;
ba.reserve(encodedData.size() + 6);
if (serialFrame) {
ba.append(char(0x01));
ba.append(char(0x90));
const ushort encodedSize = encodedData.size() + 2; // 2 x 0x7e
ba.append(char(encodedSize / 256));
ba.append(char(encodedSize % 256));
appendShort(&ba, encodedSize, BigEndian);
}
ba.append(char(0x7e));
ba.append(encodedData);
......@@ -227,7 +228,7 @@ QString quoteUnprintableLatin1(const QByteArray &ba)
QByteArray decode7d(const QByteArray &ba)
{
QByteArray res;
res.reserve(ba.size() + 2);
res.reserve(ba.size());
for (int i = 0; i < ba.size(); ++i) {
byte c = byte(ba.at(i));
if (c == 0x7d) {
......@@ -279,10 +280,11 @@ void appendShort(QByteArray *ba, ushort s, Endianness endian)
void appendInt(QByteArray *ba, uint i, Endianness endian)
{
int b3 = i % 256; i -= b3; i /= 256;
int b2 = i % 256; i -= b2; i /= 256;
int b1 = i % 256; i -= b1; i /= 256;
int b0 = i % 256; i -= b0; i /= 256;
const uchar b3 = i % 256; i /= 256;
const uchar b2 = i % 256; i /= 256;
const uchar b1 = i % 256; i /= 256;
const uchar b0 = i;
ba->reserve(ba->size() + 4);
if (endian == BigEndian) {
ba->append(b0);
ba->append(b1);
......@@ -298,11 +300,9 @@ void appendInt(QByteArray *ba, uint i, Endianness endian)
void appendString(QByteArray *ba, const QByteArray &str, Endianness endian, bool appendNullTerminator)
{
const int n = str.size();
const int fullSize = n + (appendNullTerminator ? 1 : 0);
const int fullSize = str.size() + (appendNullTerminator ? 1 : 0);
appendShort(ba, fullSize, endian); // count the terminating \0
for (int i = 0; i != n; ++i)
ba->append(str.at(i));
ba->append(str);
if (appendNullTerminator)
ba->append('\0');
}
......
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