void Adler32::Hash(const uint8 * buffer, uint32 size)
{
if (!buffer || !size) return;
len += size;
// Faster implementation
const uint32 nMax = 5552;
while (size >= nMax)
{
for (int i = 0; i < nMax / 16; i++)
{
DO16(buffer); buffer += 16;
}
MOD(a); MOD(b); size -= nMax;
}
while (size >= 16)
{
DO16(buffer); buffer += 16; size -= 16;
}
while (size > 0)
{
DO1(buffer, 0); buffer ++; size --;
}
MOD(a); MOD(b);
}
/* ========================================================================= */
uint32_t crc32(uint32_t* ckSum, const void *buffer, size_t len)
{
uint32_t crc;
const uint8_t* buf = buffer;
if(ckSum == NULL)
crc = 0;
else
crc = *ckSum;
if (buf == NULL) return crc;
crc = crc ^ 0xffffffffL;
while (len >= 8)
{
DO8(buf);
len -= 8;
}
if (len)
{
do {
DO1(buf);
} while (--len);
}
crc = crc ^ 0xffffffffL;
if(ckSum != NULL)
*ckSum = crc;
return crc;
}
crc_t GetCRC32(const char * buf, size_t len)
{
crc_t crc = 0xffffffff;
if (16 <= len)
{
do
{
DO16(buf, 0);
buf += 16;
len -= 16;
} while (len >= 16);
}
if (0 != len)
{
do
{
DO1(buf, 0);
++buf;
--len;
} while (len > 0);
}
crc ^= 0xffffffff;
return crc;
}
/* ========================================================================= */
unsigned long _crc32(
register unsigned long crc, /* crc shift register */
register const char *buf, /* pointer to bytes to pump through */
int len /* number of bytes in buf[] */
/* Run a set of bytes through the crc shift register. If buf is a NULL
pointer, then initialize the crc shift register contents instead.
Return the current crc in either case. */
) {
/* register ulg near *crc_table; */
if (buf == 0) return crc /*0L*/;
/* crc_table = get_crc_table(); */
crc = crc ^ 0xffffffffUL;
#ifndef NO_UNROLLED_LOOPS
while (len >= 8) {
DO8(buf);
len -= 8;
}
#endif
if (len) do {
DO1(buf);
} while (--len);
return crc ^ 0xffffffffUL; /* (instead of ~c for 64-bit machines) */
}
DWORD GetCRC32(const char * buf, size_t len)
{
DWORD crc = 0xffffffff;
if (len >= 16)
{
do
{
DO16(buf, 0);
buf += 16;
len -= 16;
} while (len >= 16);
}
if (len != 0)
{
do
{
DO1(buf, 0);
++buf;
--len;
} while (len > 0);
}
crc ^= 0xffffffff;
return crc;
}
static int CRC32(int crc, const unsigned char *buf, unsigned int len)
{
if (buf == NULL) return 0L;
crc = crc ^ 0xffffffffL;
while (len >= 8) {DO8(buf);len -= 8;}
if(len) do {DO1(buf);} while (--len);
return crc ^ 0xffffffffL;
}
unsigned long crc32(unsigned long crc, unsigned int *buf, unsigned int len)
{
if (!buf) return 0L;
crc = crc ^ 0xffffffffL;
while (len&(~1)) {
DO1((unsigned char)((*buf)>>8));
DO1((unsigned char)(*buf));
++buf;
len-=2;
}
return crc ^ 0xffffffffL;
}
void crc32(const void * key, int len, uint32_t seed, void * out) {
uint8_t* buf = (uint8_t*)key;
uint32_t crc = seed ^ 0xffffffffL;
while (len >= 8) {
DO8(buf);
len -= 8;
}
while(len--)
DO1(buf);
crc ^= 0xffffffffL;
*(uint32_t*)out = crc;
}
unsigned long crc32_no_comp(unsigned long crc, const unsigned char *buf, int len) {
while (len >= 8) {
DO8(buf);
len -= 8;
}
if (len)
do {
DO1(buf);
} while (--len);
return crc;
}
static uint32_t ubcrc32(uint32_t crc, const char *buf, uint32_t len)
{
crc = crc ^ 0xffffffffL;
while (len >= 8) {
DO8(buf);
len -= 8;
}
if (len)
do { DO1(buf); } while (--len);
return crc ^ 0xffffffffL;
}
/* ========================================================================= */
unsigned long crc32(unsigned char* buf, unsigned len)
{
unsigned long crc = 0xffffffffL;
while (len >= 8)
{
DO8(buf);
len -= 8;
}
if (len) do {
DO1(buf);
} while (--len);
return crc ^ 0xffffffffL;
}
/* ========================================================================= */
static unsigned long crc32 (unsigned long crc, const unsigned char *buf, unsigned int len)
{
crc = crc ^ 0xffffffffL;
while (len >= 8)
{
DO8(buf);
len -= 8;
}
if (len) do {
DO1(buf);
} while (--len);
return crc ^ 0xffffffffL;
}
/* ========================================================================= */
uLong crc32(uLong crc, const Byte *buf, uInt len)
{
if (buf == Z_NULL) return 0L;
crc = crc ^ 0xffffffffL;
while (len >= 8)
{
DO8(buf);
len -= 8;
}
if (len) do {
DO1(buf);
} while (--len);
return crc ^ 0xffffffffL;
}
// uLong crc = crc32(0L, NULL, 0);
//
// while (read_buffer(buffer, length) != EOF)
// {
// crc = crc32(crc, buffer, length);
// }
// if (crc != original_crc) error();
//
/////////////////////////////////////////////////////////////////////////////////////
ULONG CCRC32::crc32(ULONG crc, const BYTE *buf, UINT len)
{
if (buf == NULL) return 0L;
crc = crc ^ 0xffffffffL;
while (len >= 8)
{
DO8(buf);
len -= 8;
}
if (len) do {
DO1(buf);
} while (--len);
return crc ^ 0xffffffffL;
}
static unsigned int crc32(const unsigned char *buffer, unsigned int len)
{
unsigned int crc;
crc = 0;
crc = crc ^ 0xffffffffL;
while(len >= 8) {
DO8(buffer);
len -= 8;
}
if(len) do {
DO1(buffer);
} while(--len);
return crc ^ 0xffffffffL;
}
/* ========================================================================= */
uint32_t nv_crc32(uint32_t crc, const char *buf, uint32_t len)
{
if (buf == 0) return 0L;
crc = crc ^ 0xffffffffL;
while (len >= 8)
{
DO8(buf);
len -= 8;
}
if (len) do {
DO1(buf);
} while (--len);
return crc ^ 0xffffffffL;
}
unsigned long crc32(unsigned long crc, const uint8_t *buf, unsigned int len) {
if (!buf)
return 0L;
crc = crc ^ 0xffffffffL;
while (len >= 8) {
DO8(buf);
len -= 8;
}
if (len) {
do {
DO1(buf);
} while (--len);
}
return crc ^ 0xffffffffL;
}
void crc32_add ( unsigned long& crc, const void * key, int len )
{
uint8_t * buf = (uint8_t*)key;
while (len >= 8)
{
DO8(buf);
len -= 8;
}
while(len--)
{
DO1(buf);
}
}
DWORD CHList::Crc32(DWORD crc, LPVOID vbuf, DWORD size)
{
LPBYTE buf = (LPBYTE)vbuf;
crc = crc ^ 0xffffffffL;
while ( size >= 8 )
{
DO8 ( buf );
size -= 8;
}
if ( size ) do
{
DO1 ( buf );
} while ( --size );
return ( crc ^ 0xffffffffL );
}
unsigned long
fz_crc32(unsigned long crc, unsigned char *buf, int len)
{
if (buf == nil)
return 0L;
crc = crc ^ 0xffffffffL;
while (len >= 8)
{
DO8(buf);
len -= 8;
}
if (len)
{
do { DO1(buf); } while (--len);
}
return crc ^ 0xffffffffL;
}
static void cyPartialCRC32( cyUint32* crc, const cyByte* buf, cyUint32 len )
{
while (len >= 8)
{
DO8(buf);
len -= 8;
}
if (len)
{
do
{
DO1(buf);
} while (--len);
}
}
/* ========================================================================= */
uint crc32(uint crc, const char *buf, uint len)
{
crc = crc ^ 0xffffffffL;
while (len >= 8)
{
DO8(buf);
len -= 8;
}
if (len)
{
do {
DO1(buf);
} while (--len);
}
return crc ^ 0xffffffffL;
}
void crc32 ( const void * key, int len, unsigned long seed, unsigned long * out )
{
uint8_t * buf = (uint8_t*)key;
unsigned long crc = seed ^ 0xffffffffL;
while (len >= 8)
{
DO8(buf);
len -= 8;
}
while(len--)
{
DO1(buf);
}
crc ^= 0xffffffffL;
*(unsigned long*)out = crc;
}
unsigned int aal5_calc_crc(unsigned char *mem, int len, unsigned int initial)
{
register unsigned int crc;
crc = initial;
while( len >= 8) {
DO8(mem, crc);
len -= 8;
}
while( len ) {
DO1(mem, crc);
len--;
}
return(crc);
}
// (1, frame, height(include padding), width(include padding) )
static unsigned long av_adler32_update(unsigned long adler, const unsigned char *buf, int ylen, int xlen)
{
unsigned long s1 = adler & 0xffff;
unsigned long s2 = adler >> 16;
unsigned char *pbuf;
int xlenorg = xlen;
while(ylen>0){
pbuf = ( unsigned char * )buf;
while (xlen>0) {
#ifdef CONFIG_SMALL
while(xlen>4 && s2 < (1U<<31)){
DO4(buf); xlen-=4;
#else
while(xlen>0 && s2 < (1U<<31) && (xlen>16) ){
DO16(buf); xlen-=16;
#endif
}
DO1(buf); xlen--;
s1 %= BASE;
s2 %= BASE;
}
ylen--;
xlen = xlenorg;
//buf = pbuf;
}
return (s2 << 16) | s1;
}
static int to_sched_priority(UINT8 ui1_priority)
{
int sched_priority;
sched_priority = 100 - (int)ui1_priority * 100 / 256;
if (sched_priority < 1) sched_priority = 1;
if (sched_priority > 99) sched_priority = 99;
return sched_priority;
}
unsigned long update_adler32(unsigned long adler, const uint8_t *buf, unsigned int len)
{
unsigned long s1 = adler & 0xffff;
unsigned long s2 = (adler >> 16) & 0xffff;
int k;
if (buf == NULL) return 1L;
while (len > 0) {
k = len < NMAX ? len : NMAX;
len -= k;
while (k >= 16) {
DO16(buf);
k -= 16;
}
if (k != 0) do {
DO1(buf);
} while (--k);
s1 %= BASE;
s2 %= BASE;
}
return (s2 << 16) | s1;
}
UInt32 MoreCRC32 (UInt32 crc, void *buf, UInt32 len)
{
if (buf == NULL) {
assert(false);
return 0;
}
crc = crc ^ 0xffffffffL;
while (len >= 8)
{
DO8(buf);
len -= 8;
}
if (len) do
{
DO1(buf);
}
while (--len);
return crc ^ 0xffffffffL;
}
static unsigned int crc32_lower(register const unsigned char *buf, /* pointer to bytes to pump through */
int len)
{ /* number of bytes in buf[] */
/* Run a set of bytes through the crc shift register. If buf is a NULL
pointer, then initialize the crc shift register contents instead.
Return the current crc in either case. */
register unsigned int crc = 0; /* crc shift register */
#ifdef CRC32
# undef CRC32
#endif
#define CRC32(c, b) (crc_table[((int)(c) ^ (b)) & 0xff] ^ ((c) >> 8))
#define DO1(buf) crc = CRC32(crc, tolower(*buf++))
/* ========================================================================
* Table of CRC-32's of all single-byte values (made by make_crc_table)
*/
static const unsigned int crc_table[] = {
0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L,
0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L,
0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L,
0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL,
0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L,
0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L,
0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L,
0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL,
0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L,
0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL,
0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L,
0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L,
0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L,
0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL,
0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL,
0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L,
0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL,
0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L,
0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L,
0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L,
0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL,
0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L,
0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L,
0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL,
0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L,
0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L,
0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L,
0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L,
0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L,
0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL,
0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL,
0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L,
0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L,
0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL,
0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL,
0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L,
0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL,
0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L,
0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL,
0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L,
0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL,
0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L,
0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L,
0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL,
0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L,
0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L,
0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L,
0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L,
0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L,
0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L,
0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL,
0x2d02ef8dL
};
if (buf == NULL)
return 0L;
crc = crc ^ 0xffffffffL;
if (len)
do {
DO1(buf);
} while (--len);
return crc ^ 0xffffffffL; /* (instead of ~c for 64-bit machines) */
}
