uint64 Hash::Crc32(const wchar_t *buf, size_t size) {
uint64 crc = (uint64)~0;
for(size_t i=0; i<size; ++i) {
_CRC32_(crc, buf[i]);
}
return ~crc;
}
uint64 Hash::Crc32(const ukn_wstring& str) {
uint64 crc = (uint64)~0;
for(size_t i=0; i<str.size(); ++i) {
_CRC32_(crc, str[i]);
}
return ~crc;
}
void hlib_crc32(const void *data, size_t size, uint64_t *io)
{
const uint8_t *ptr = data;
uint32_t crc = ~(uint32_t)io[0];
for (; size--; ptr++)
crc = _CRC32_(crc, *ptr);
io[0] = ~crc;
}
unsigned long crc32(char *buf, size_t size)
{
unsigned long crc = (unsigned long)~0;
char *p;
size_t len = 0, nr = size;
for (len += nr, p = buf; nr--; ++p)
_CRC32_(crc, *p);
return ~crc;
}
crc_t
crc32_partial_sz (crc_t crc_in, char *buf, int size)
{
unsigned int crc = ~crc_in;
char *p;
int nr;
for (nr = size, p = buf; nr--; ++p)
_CRC32_(crc, *p);
return ~crc;
}
unsigned int
ltree_crc32_sz(char *buf, int size)
{
unsigned int crc = ~0;
char *p;
int len,
nr;
len = 0;
nr = size;
for (len += nr, p = buf; nr--; ++p)
_CRC32_(crc, TOLOWER((unsigned int) *p));
return ~crc;
}
unsigned int
crc32_sz(char *buf, int size)
{
unsigned int crc = ~((unsigned int) 0);
char *p;
int len,
nr;
len = 0;
nr = size;
for (len += nr, p = buf; nr--; ++p)
_CRC32_(crc, *p);
return ~crc;
}
// ---
SWM_PROC AVP_dword SWM_PARAM CountCRC( AVP_byte* pBuffer, AVP_dword nSize, AVP_dword nOldCrc32 ) {
AVP_dword i;
for( i=0; i<nSize; i++ )
nOldCrc32 = _CRC32_( (AVP_dword)pBuffer[i], nOldCrc32 );
return nOldCrc32;
}
