thirdparty/scummvm
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COMMON: Make most CRC functions const as they don't modify the object.

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Vladimir Serbinenko 2022-11-27 02:06:12 +01:00 • committed by Eugene Sandulenko
parent ec9bb100e1
commit 8f6beba38f
1 changed files with 8 additions and 8 deletions
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16
common/crc.h
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@ -49,8 +49,8 @@ public:
T processByte(byte byteVal, T remainder);
T finalize(T remainder);
T crcSlow(byte const message[], int nBytes);
T crcFast(byte const message[], int nBytes);
T crcSlow(byte const message[], int nBytes) const;
T crcFast(byte const message[], int nBytes) const;
private:
T _poly;
@ -65,10 +65,10 @@ private:
bool _inited;
uint32 reflect(uint32 data, byte nBits);
uint32 reflect(uint32 data, byte nBits) const;
byte reflectData(byte x) { return _reflect ? (byte)reflect(x, 8) : x; }
T reflectRemainder(T x) { return _reflect ? (T)reflect(x, _width) : x; }
byte reflectData(byte x) const { return _reflect ? (byte)reflect(x, 8) : x; }
T reflectRemainder(T x) const { return _reflect ? (T)reflect(x, _width) : x; }
};
/*********************************************************************
@ -84,7 +84,7 @@ private:
*
*********************************************************************/
template<typename T>
uint32 CRC<T>::reflect(uint32 data, byte nBits) {
uint32 CRC<T>::reflect(uint32 data, byte nBits) const {
uint32 reflection = 0x00000000;
/*
@ -117,7 +117,7 @@ uint32 CRC<T>::reflect(uint32 data, byte nBits) {
*
*********************************************************************/
template<typename T>
T CRC<T>::crcSlow(byte const message[], int nBytes) {
T CRC<T>::crcSlow(byte const message[], int nBytes) const {
T remainder = _init_remainder;
/*
@ -225,7 +225,7 @@ T CRC<T>::init() {
*
*********************************************************************/
template<typename T>
T CRC<T>::crcFast(byte const message[], int nBytes) {
T CRC<T>::crcFast(byte const message[], int nBytes) const {
T remainder = _init_remainder;
if (!_inited)