Intel Extensible Firmware Interface - Manual (Page 988)

Extensible Firmware Interface Specification
H-24 12/01/02 Version 1.10
Returns:
number of bytes actually read
--*/
{
INT32 i;
for (i = 0; mSrc < mSrcUpperLimit && i < n; i++) {
*p++ = *mSrc++;
}
n = i;
p -= n;
mOrigSize += n;
while (--i >= 0) {
UPDATE_CRC(*p++);
}
return n;
}
STATIC
VOID
InitPutBits ()
{
mBitCount = UINT8_BIT;
mSubBitBuf = 0;
}
STATIC
VOID
CountLen (
IN INT32 i
)
/*++
Routine Description:
Count the number of each code length for a Huffman tree.
Arguments:
i - the top node
Returns: (VOID)
--*/
{
STATIC INT32 Depth = 0;
if (i < mN) {
mLenCnt[(Depth < 16) ? Depth : 16]++;
} else {
Depth++;
CountLen(mLeft [i]);
CountLen(mRight[i]);
Depth--;
}
}