Leaked source code of windows server 2003
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#include <malloc.h>
#include <windows.h>
// #include <wincon.h>
#include "list.h"
static unsigned char* pData; static ULONG ulBlkOffset; static char* pBuffer;
typedef enum { CT_LEAD = 0, CT_TRAIL = 1, CT_ANK = 2, CT_INVALID = 3, } DBCSTYPE;
DBCSTYPE DBCScharType( char* str, int index ) {
// TT .. ??? maybe LEAD or TRAIL
// FT .. second == LEAD
// FF .. second == ANK
// TF .. ??? maybe ANK or TRAIL
if ( index >= 0 ){ char* pos = str+index; DBCSTYPE candidate = (IsDBCSLeadByte( *pos-- ) ? CT_LEAD : CT_ANK); BOOL maybeTrail = FALSE; for ( ; pos >= str; pos-- ){ if ( !IsDBCSLeadByte( *pos ) ) break; maybeTrail ^= 1; } return maybeTrail ? CT_TRAIL : candidate; } return CT_INVALID; }
void BuildLine( ULONG ulRow, char* pchDest ) { ULONG ulIndentation; ULONG ulBufferIndex; ULONG ulDataLeft; ULONG ulNumberOfSpaces; unsigned char* pTOL = pData;
ulBufferIndex = 0; ulDataLeft = vrgNewLen[ ulRow ]; ulIndentation = vIndent; while ( (ulBufferIndex < (ULONG)(vWidth - 1)) && ulDataLeft ) { if ( ulBlkOffset >= BLOCKSIZE ) { ulBlkOffset = ulBlkOffset % BLOCKSIZE; while (vpBlockTop->next == NULL) { vReaderFlag = F_DOWN; SetEvent (vSemReader); WaitForSingleObject(vSemMoreData, WAITFOREVER); ResetEvent(vSemMoreData); } vpBlockTop = vpBlockTop->next; pData = vpBlockTop->Data + ulBlkOffset; pTOL = pData; }
if ( ulIndentation ) { if ( *pData++ == 0x09 ) { ulIndentation -= ( ulIndentation - 1 ) % vDisTab; } ulIndentation--; } else { if (*pData >= 0x20) { *pchDest++ = *pData++; if ((ulBufferIndex == 0) && vIndent && (DBCScharType(pTOL, (int)(pData-1-pTOL)) == CT_TRAIL) ) { *(pchDest-1) = 0x20; } ulBufferIndex++; } else if ( (*pData == 0x0d) || (*pData == 0x0a) ) { *pchDest++ = 0x20; pData++; ulBufferIndex++; } else if (*pData == 0x09) { ulNumberOfSpaces = vDisTab - ulBufferIndex % vDisTab; while (ulNumberOfSpaces && ( ulBufferIndex < (ULONG)( vWidth - 1 ) ) ) { *pchDest++ = 0x20; ulBufferIndex++; ulNumberOfSpaces--; } pData++; } else { *pchDest++ = *pData++; ulBufferIndex++; } } ulDataLeft--; ulBlkOffset++; }
if (DBCScharType(pTOL, (int)(pData-1-pTOL)) == CT_LEAD){ ulDataLeft++; ulBlkOffset--; ulBufferIndex--; pData--; pchDest--; }
pData += ulDataLeft; ulBlkOffset += ulDataLeft; while (ulBufferIndex < (ULONG)(vWidth -1)) { *pchDest++ = 0x20; ulBufferIndex++; } }
void DisTopDown( void ) { ULONG ulRow; char *pt;
pData = vpBlockTop->Data; pData += vOffTop; ulBlkOffset = vOffTop;
pt = vScrBuf+vWidth;
for (ulRow=0; ulRow < (ULONG)vLines; ulRow++ ) { BuildLine (ulRow, pt); pt += vWidth; } }
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