// =======================================================
void CXfsPart::scanfuncBno(char *cBlockData, DWORD dwLevel, xfs_agf *agf)
{
xfs_alloc_block *block = (xfs_alloc_block *)cBlockData; //ablock;
xfs_alloc_ptr *pp;
xfs_alloc_rec *rp;
DWORD i;
//showDebug(10, "scanfuncBno(cBlockData, dwLevel=%lu);\n", dwLevel);
if (dwLevel == 0)
{
//rp = XFS_BTREE_REC_ADDR(mp->m_sb.sb_blocksize, xfs_alloc, block, 1, mp->m_alloc_mxr[0]);
rp = (xfs_alloc_rec*) (cBlockData+sizeof(xfs_alloc_block));
for (i = 0; i < BeToCpu(block->bb_numrecs); i++)
addToHist(BeToCpu(agf->agf_seqno), BeToCpu(rp[i].ar_startblock), BeToCpu(rp[i].ar_blockcount));
}
else
{
//pp = XFS_BTREE_PTR_ADDR(mp->m_sb.sb_blocksize, xfs_alloc, block, 1, mp->m_alloc_mxr[1]);
showDebug(1, "TREE: multilevel: dwLevel=%lu\n",dwLevel);
showDebug(10, "TREE: multilevel: dwLevel=%lu\n",dwLevel);
int nVal = (int)((m_header.qwBlockSize - (uint)sizeof(xfs_alloc_block)) / ((uint)sizeof(xfs_alloc_key) + (uint)sizeof(xfs_alloc_ptr)));
pp = (xfs_alloc_ptr*) (cBlockData+sizeof(xfs_alloc_block)+(nVal*sizeof(xfs_alloc_key))); // /*mp->m_alloc_mxr[1]*/
showDebug(1, "offset=%lu\n",sizeof(xfs_alloc_block)+(nVal*sizeof(xfs_alloc_key)));
showDebug(10, "offset=%lu\n",sizeof(xfs_alloc_block)+(nVal*sizeof(xfs_alloc_key)));
for (i = 0; i < BeToCpu(block->bb_numrecs); i++)
{
showDebug(10, "LEVELRECUR: i=%lu, pp=%lu\n", i, (DWORD)pp[i]);
scanSbtree(agf, BeToCpu(pp[i]), dwLevel);
}
}
}
//restore history ie read history.txt to local hist buffer
void restoreHistory()
{
int c;
char temp[1000];
FILE *f1 = fopen("history.txt","r");
printf("***********restoring**********\n");
if(f1!=NULL)
{
int i=0;
while((c=fgetc(f1))!=EOF)
{
temp[i]=c;
i++;
if(c=='\n')
{
//printf("%s**\n",temp);
//addToHist(temp);
char *token=strtok(temp," ");
token=strtok(NULL,"\n");
//printf("%s***\n",token);
addToHist(token);
i=0;
memset(&temp[0],0,sizeof(temp));
continue;
}
}
fclose(f1);
}
else
{
printf("no file\n");
return;
}
}
int main() {
char *args[20];
char *input = NULL; //to be filled by getcmd
int cnt, bg, status;
int histCount = 0; //keeps track of which history item we're on
struct hist histArray[10]; //stores history items
while(1) {
if ((cnt = getcmd("\n>> ", args, &bg, &input)) == 0) {
printf("\nPlease enter a command.\n");
continue;
}
printf("\n");
//if a number is entered as first argument, execute the command with that index in the history array
if (isdigit(*args[0])) {
if (getCmdFromHistory(args, &input, &histArray[0], histCount) == 0)
continue;
extractArgs(args, input, &bg);
}
//add the command to history
addToHist(&histArray[0], &histCount, input);
if (builtInCmd(args, &histArray[0], histCount) == 1)
continue;
//run command if issued with '&' at the end
else if (bg) {
backgroundExec(args, cnt, input);
} else {
foregroundExec(args, cnt, &histArray[0], histCount);
}
free(input);
}
}
// =======================================================
void CXfsPart::scanFreelist(xfs_agf *agf)
{
DWORD dwAgNo = BeToCpu(agf->agf_seqno);
xfs_agfl agfl;
DWORD dwBlockNo;
DWORD i;
if (BeToCpu(agf->agf_flcount) == 0)
return;
readData(&agfl, convertAgToDaddr(dwAgNo, XFS_AGFL_DADDR), sizeof(agfl));
// process list
i = BeToCpu(agf->agf_flfirst);
for (;;)
{
dwBlockNo = BeToCpu(agfl.agfl_bno[i]);
addToHist(dwAgNo, dwBlockNo, 1);
if (i == BeToCpu(agf->agf_fllast))
break;
if (++i == XFS_AGFL_SIZE)
i = 0;
}
}