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author | Max Horn | 2003-07-06 22:50:37 +0000 |
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committer | Max Horn | 2003-07-06 22:50:37 +0000 |
commit | 68ee2e9051a005373faab81cf98632731a971877 (patch) | |
tree | 7cc228436f104aecc4ce62db032d80ba66ff2524 | |
parent | 2061741bd5112e1fbb05c203d45737cbd7d00d80 (diff) | |
download | scummvm-rg350-68ee2e9051a005373faab81cf98632731a971877.tar.gz scummvm-rg350-68ee2e9051a005373faab81cf98632731a971877.tar.bz2 scummvm-rg350-68ee2e9051a005373faab81cf98632731a971877.zip |
add const qualifier
svn-id: r8818
-rw-r--r-- | sky/rnc_deco.cpp | 14 | ||||
-rw-r--r-- | sky/rnc_deco.h | 7 |
2 files changed, 11 insertions, 10 deletions
diff --git a/sky/rnc_deco.cpp b/sky/rnc_deco.cpp index 28bb5fce63..95a1ee7b33 100644 --- a/sky/rnc_deco.cpp +++ b/sky/rnc_deco.cpp @@ -62,7 +62,7 @@ void RncDecoder::initCrc() { } //calculate 16 bit crc of a block of memory -uint16 RncDecoder::crcBlock(uint8 *block, uint32 size) { +uint16 RncDecoder::crcBlock(const uint8 *block, uint32 size) { uint16 crc = 0; uint8 *crcTable8 = (uint8 *)_crcTable; //make a uint8* to crc_table uint8 tmp; @@ -164,9 +164,9 @@ uint16 RncDecoder::inputValue(uint16 *table) { return value; } -int32 RncDecoder::unpackM1(void *input, void *output, uint16 key) { - uint8 *inputHigh, *outputLow, *outputHigh; - uint8 *inputptr = (uint8 *)input; +int32 RncDecoder::unpackM1(const void *input, void *output, uint16 key) { + uint8 *outputLow, *outputHigh; + const uint8 *inputHigh, *inputptr = (const uint8 *)input; uint32 unpackLen = 0; uint32 packLen = 0; @@ -196,12 +196,12 @@ int32 RncDecoder::unpackM1(void *input, void *output, uint16 key) { if (crcBlock(inputptr, packLen) != crcPacked) return PACKED_CRC; - inputptr = (((uint8 *)input) + HEADER_LEN); + inputptr = (((const uint8 *)input) + HEADER_LEN); _srcPtr = inputptr; - inputHigh = ((uint8 *)input) + packLen + HEADER_LEN;; + inputHigh = ((const uint8 *)input) + packLen + HEADER_LEN;; outputLow = (uint8 *)output; - outputHigh = *(((uint8 *)input) + 16) + unpackLen + outputLow; + outputHigh = *(((const uint8 *)input) + 16) + unpackLen + outputLow; if (! ((inputHigh <= outputLow) || (outputHigh <= inputHigh)) ) { _srcPtr = inputHigh; diff --git a/sky/rnc_deco.h b/sky/rnc_deco.h index 1b010a25aa..ef97caa3e9 100644 --- a/sky/rnc_deco.h +++ b/sky/rnc_deco.h @@ -35,16 +35,17 @@ protected: uint16 _bitBuffh; uint8 _bitCount; - uint8 *_srcPtr, *_dstPtr; + const uint8 *_srcPtr; + uint8 *_dstPtr; public: RncDecoder(); ~RncDecoder(); - int32 unpackM1(void *input, void *output, uint16 key); + int32 unpackM1(const void *input, void *output, uint16 key); protected: void initCrc(); - uint16 crcBlock(uint8 *block, uint32 size); + uint16 crcBlock(const uint8 *block, uint32 size); uint16 inputBits(uint8 amount); void makeHufftable(uint16 *table); uint16 inputValue(uint16 *table); |