Exemplo n.º 1
0
Arquivo: symg.c Projeto: nhatcher/lie
matrix* Schur_char(entry* lambda, lie_Index l)
{ lie_Index i,n=check_part(lambda,l); entry np=n_parts(n);
  matrix* result=mkmatrix(np,n+1); entry** res=result->elm;
  res[0][0]=n; for (i=1; i<n; ++i) res[0][i]=0; i=0;
  while (res[i][n]=Schur_char_val(lambda,res[i],l,n),++i<np)
  { copyrow(res[i-1],res[i],n); Nextpart(res[i],n); }
  return result;
}
Exemplo n.º 2
0
static void
post_UR(CHKARGS)
{
	if (n->type == ROFFT_HEAD && n->child == NULL)
		mandoc_msg(MANDOCERR_UR_NOHEAD, n->line, n->pos,
		    "%s", roff_name[n->tok]);
	check_part(man, n);
}
Exemplo n.º 3
0
static void
post_UR(CHKARGS)
{

	if (n->type == MAN_HEAD && n->child == NULL)
		mandoc_vmsg(MANDOCERR_UR_NOHEAD, man->parse,
		    n->line, n->pos, "UR");
	check_part(man, n);
}
Exemplo n.º 4
0
Arquivo: symg.c Projeto: nhatcher/lie
bigint* MN_char_val(entry* lambda, entry* mu, lie_Index l, lie_Index m)
{ bigint* value=null; lie_Index n=check_part(lambda,l),m2;
  if (n==0) return one;
  while (lambda[l-1]==0) --l;  while (mu[m-1]==0) --m;
  for (m2=m; m2>0 && mu[m2-1]==1; --m2) {} /* number of parts $\mu_i\geq2$ */
  { entry* save=mkintarray(2*n),* lambda_prime=save+n;
    int i, j, d=lambda[0]+l, k=0; /* sum of leg lengths */
    boolean* edge=alloc_array(boolean,2*d);
    enum {hor, vert};

    
    { int r=l-1,c=0; /* current column number */
      for (j=0; r>=0; --r)
      { while (c<lambda[r]) { edge[j++]=hor; ++c; } /* columns of length |r| */
        edge[j++]=vert; /* row |r|, of length |c==lambda[r]| */
      }
    }
    
    for (i=0; i<m2; ++i)
    { for (j=0; j+mu[i]<d; ++j)
        if (edge[j]==hor && edge[j+mu[i]]==vert) break;
      if (j+mu[i]==d) return null; /* no hook of size |mu[i]| was found */
    }
    
    { i=0; /* index into |mu| */
    recurse:
      if (i<m2)
        
        { int r=mu[i];
          for (j=1; j<r; ++j) k+=edge[j]; /* leg length of hook first tried */
          for (j=0; j+r<d; ++j)
          { if (edge[j]==hor && edge[j+r]==vert)
            { edge[j]=vert; edge[j+r]=hor; save[i++]=j; goto recurse;
            resume: j=save[--i]; r=mu[i]; edge[j]=hor; edge[j+r]=vert;
            }
            k+= edge[j+r]-edge[j+1]; /* adjust |k| for hook tried next */
          }
          while (++j<d) k-= edge[j]; /* restore |k| */
        }
      else
        
        { int r=l,c=0,s=0; /* size of |lambda_prime| */
          for (j=0; r>0; )
            if (edge[j++]==vert) s+=lambda_prime[--r]=c;  else ++c;
            /* build |lambda_prime| from edges */
          value= k%2==0 ? add(value,n_tableaux(lambda_prime,l))
                        : sub(value,n_tableaux(lambda_prime,l)) ;
        }
      if (i>0) goto resume;
    }
    freearr(edge); freearr(save);
  }
  return value;
}
Exemplo n.º 5
0
Arquivo: symg.c Projeto: nhatcher/lie
matrix* Tableaux(entry* lambda, lie_Index l)
{ bigint* nt=n_tableaux(lambda,l); lie_Index n=check_part(lambda,l);
  matrix* result=mkmatrix(bigint2entry(nt),n);
  entry** res=result->elm,* t=mkintarray(n);
  freemem(nt);

  
  { lie_Index i=0,j,k;
    for (j=1; j<=l; ++j) for (k=lambda[j-1]; k>0; --k) t[i++]=j;
  }
  { lie_Index i=0; do copyrow(t,res[i++],n); while(Nexttableau(t,n)); }
  freearr(t); return result;
}
Exemplo n.º 6
0
static void
chartable_symbol_callback (struct rspamd_task *task, void *unused)
{
	guint i;
	struct mime_text_part *part;

	for (i = 0; i < task->text_parts->len; i ++) {
		part = g_ptr_array_index (task->text_parts, i);

		if (!IS_PART_EMPTY (part) && check_part (part, task->cfg->raw_mode)) {
			rspamd_task_insert_result (task, chartable_module_ctx->symbol, 1, NULL);
		}
	}

}
Exemplo n.º 7
0
ldc_diag_t * diag(int log, ldc_info_t * info) {
	ldc_info_t * current_info;

	ldc_diag_t * head = NULL;
	ldc_diag_t * tail = NULL;

	for (current_info = info; current_info != NULL; current_info = current_info->next) {
		tail = new_ldc_diag_t("usbstorage");
		head = enqueue_ldc_diag_t(head, tail);

		// find the logical_name in info
		tuple_t * current_tuple;

		for (current_tuple = current_info->info; current_tuple != NULL && strcmp(current_tuple->name, "device_file") != 0; current_tuple = current_tuple->next);
			if (current_tuple) {
				char name[100];
				char value[1000];
				int id;
				char  description[100];

				int* part_list = get_part_list(current_info);
				int part_result = check_part(part_list);
				SETUP_TUPLE("partition_check", "NULL", part_result, "Partition Check");
				tail->info = enqueue_new_tuple_t(tail->info, name, value, id, description);

				int mount_result = mount_test(current_tuple->value, part_list);
				SETUP_TUPLE("mount_test", "NULL", mount_result, "Mount Test");
				tail->info = enqueue_new_tuple_t(tail->info, name, value, id, description);

				int fsck_result = fsck_test(current_tuple->value, part_list);
				SETUP_TUPLE("fsck_test", "NULL", fsck_result, "Fsck Test");
				tail->info = enqueue_new_tuple_t(tail->info, name, value, id, description);
			}
	}

	if (log){
		insert_diag_log(head);
	}

	return head;
}
Exemplo n.º 8
0
Arquivo: symg.c Projeto: nhatcher/lie
poly* MN_char(entry* lambda, lie_Index l)
{ lie_Index n=check_part(lambda,l);
  if (n==0) return poly_one(0); /* the character of $\Sym0$ */
  while (lambda[l-1]==0) --l; /* minimise |l| */
  wt_init(n); /* get ready for accumulating contributions to the character */
  { 
    entry* mu=mkintarray(3*n),* save=mu+n,* lambda_prime=save+n;
    int i, j, r, d=lambda[0]+l, k=0; /* sum of leg lengths */
    boolean* edge=alloc_array(boolean,2*d-2),* candidate=edge+d-2;
      /* lie_Index |2<=r<d| */
    enum {hor, vert}; /* values used for |edge| */
    
    for (i=0; i<n; ++i) mu[i]=0;
    
    { int r=l-1,c=0; /* current column number */
      for (j=0; r>=0; --r)
      { while (c<lambda[r]) { edge[j++]=hor; ++c; } /* columns of length |r| */
        edge[j++]=vert; /* row |r|, of length |c==lambda[r]| */
      }
    }
    
    for (r=2; r<d; ++r)
    { for (j=0; j+r<d; ++j)
        if (edge[j]==hor && edge[j+r]==vert) break;
      candidate[r]= j+r<d;
    }
    

    
    { i=0; /* index of last entry that was set in~|mu| */
      for (r=d-1; r>1; --r) /* try hooks of size |r| */
        if (candidate[r])
        { recurse: /* recursive starting point */
          
          { for (j=1; j<r; ++j) k+=edge[j]; /* leg length of hook first tried */
            for (j=0; j<d-r; ++j)
            { if (edge[j]==hor && edge[j+r]==vert)
              { edge[j]=vert; edge[j+r]=hor; mu[i]=r; save[i++]=j; goto recurse;
              resume: j=save[--i]; r=mu[i]; mu[i]=0; edge[j]=hor; edge[j+r]=vert;
              }
              k+= edge[j+r]-edge[j+1]; /* adjust |k| for hook tried next */
            }
            while (++j<d) k-= edge[j]; /* restore |k| */
          }
        }
    }
    
    { int r=l,c=0,s=0; /* size of |lambda_prime| */
      for (j=0; r>0; )
        if (edge[j++]==vert) s+=lambda_prime[--r]=c;  else ++c;
        /* build |lambda_prime| from edges */
      for (j=0; j<s; ++j) mu[i++]=1; /* extend |mu| with |s| ones */
      wt_ins(mu,n_tableaux(lambda_prime,l),k%2);
      for (j=0; j<s; ++j) mu[--i]=0; /* remove the ones again */
    }
    if (i>0) goto resume;
    
     
    { freearr(edge); freearr(mu); }
  }
  return wt_collect();
}
Exemplo n.º 9
0
int
mbrinit(cdev_t dev, struct disk_info *info, struct diskslices **sspp)
{
	struct buf *bp;
	u_char	*cp;
	int	dospart;
	struct dos_partition *dp;
	struct dos_partition *dp0;
	struct dos_partition dpcopy[NDOSPART];
	int	error;
	int	max_ncyls;
	int	max_nsectors;
	int	max_ntracks;
	u_int64_t mbr_offset;
	char	partname[2];
	u_long	secpercyl;
	char	*sname = "tempname";
	struct diskslice *sp;
	struct diskslices *ssp;
	cdev_t wdev;

	mbr_offset = DOSBBSECTOR;
reread_mbr:
	/*
	 * Don't bother if the block size is weird or the
	 * media size is 0 (probably means no media present).
	 */
	if (info->d_media_blksize & DEV_BMASK)
		return (EIO);
	if (info->d_media_size == 0)
		return (EIO);

	/*
	 * Read master boot record.
	 */
	wdev = dev;
	bp = geteblk((int)info->d_media_blksize);
	bp->b_bio1.bio_offset = (off_t)mbr_offset * info->d_media_blksize;
	bp->b_bio1.bio_done = biodone_sync;
	bp->b_bio1.bio_flags |= BIO_SYNC;
	bp->b_bcount = info->d_media_blksize;
	bp->b_cmd = BUF_CMD_READ;
	bp->b_flags |= B_FAILONDIS;
	dev_dstrategy(wdev, &bp->b_bio1);
	if (biowait(&bp->b_bio1, "mbrrd") != 0) {
		if ((info->d_dsflags & DSO_MBRQUIET) == 0) {
			diskerr(&bp->b_bio1, wdev,
				"reading primary partition table: error",
				LOG_PRINTF, 0);
			kprintf("\n");
		}
		error = EIO;
		goto done;
	}

	/* Weakly verify it. */
	cp = bp->b_data;
	sname = dsname(dev, 0, 0, 0, NULL);
	if (cp[0x1FE] != 0x55 || cp[0x1FF] != 0xAA) {
		if (bootverbose)
			kprintf("%s: invalid primary partition table: no magic\n",
			       sname);
		error = EINVAL;
		goto done;
	}

	/* Make a copy of the partition table to avoid alignment problems. */
	memcpy(&dpcopy[0], cp + DOSPARTOFF, sizeof(dpcopy));

	dp0 = &dpcopy[0];

	/*
	 * Check for "Ontrack Diskmanager" or GPT.  If a GPT is found in
	 * the first dos partition, ignore the rest of the MBR and go
	 * to GPT processing.
	 */
	for (dospart = 0, dp = dp0; dospart < NDOSPART; dospart++, dp++) {
		if (dospart == 0 &&
		    (dp->dp_typ == DOSPTYP_PMBR || dp->dp_typ == DOSPTYP_GPT)) {
			if (bootverbose)
				kprintf(
	    "%s: Found GPT in slice #%d\n", sname, dospart + 1);
			error = gptinit(dev, info, sspp);
			goto done;
		}

		if (dp->dp_typ == DOSPTYP_ONTRACK) {
			if (bootverbose)
				kprintf(
	    "%s: Found \"Ontrack Disk Manager\" on this disk.\n", sname);
			bp->b_flags |= B_INVAL | B_AGE;
			brelse(bp);
			mbr_offset = 63;
			goto reread_mbr;
		}
	}

	if (bcmp(dp0, historical_bogus_partition_table,
		 sizeof historical_bogus_partition_table) == 0 ||
	    bcmp(dp0, historical_bogus_partition_table_fixed,
		 sizeof historical_bogus_partition_table_fixed) == 0) {
#if 0
		TRACE(("%s: invalid primary partition table: historical\n",
		       sname));
#endif /* 0 */
		if (bootverbose)
			kprintf(
     "%s: invalid primary partition table: Dangerously Dedicated (ignored)\n",
			       sname);
		error = EINVAL;
		goto done;
	}

	/* Guess the geometry. */
	/*
	 * TODO:
	 * Perhaps skip entries with 0 size.
	 * Perhaps only look at entries of type DOSPTYP_386BSD.
	 */
	max_ncyls = 0;
	max_nsectors = 0;
	max_ntracks = 0;
	for (dospart = 0, dp = dp0; dospart < NDOSPART; dospart++, dp++) {
		int	ncyls;
		int	nsectors;
		int	ntracks;

		ncyls = DPCYL(dp->dp_ecyl, dp->dp_esect) + 1;
		if (max_ncyls < ncyls)
			max_ncyls = ncyls;
		nsectors = DPSECT(dp->dp_esect);
		if (max_nsectors < nsectors)
			max_nsectors = nsectors;
		ntracks = dp->dp_ehd + 1;
		if (max_ntracks < ntracks)
			max_ntracks = ntracks;
	}

	/*
	 * Check that we have guessed the geometry right by checking the
	 * partition entries.
	 */
	/*
	 * TODO:
	 * As above.
	 * Check for overlaps.
	 * Check against d_secperunit if the latter is reliable.
	 */
	error = 0;
	for (dospart = 0, dp = dp0; dospart < NDOSPART; dospart++, dp++) {
		if (dp->dp_scyl == 0 && dp->dp_shd == 0 && dp->dp_ssect == 0
		    && dp->dp_start == 0 && dp->dp_size == 0)
			continue;
		//sname = dsname(dev, dkunit(dev), BASE_SLICE + dospart,
		//	       WHOLE_SLICE_PART, partname);

		/*
		 * Temporarily ignore errors from this check.  We could
		 * simplify things by accepting the table eariler if we
		 * always ignore errors here.  Perhaps we should always
		 * accept the table if the magic is right but not let
		 * bad entries affect the geometry.
		 */
		check_part(sname, dp, mbr_offset, max_nsectors, max_ntracks,
			   mbr_offset);
	}
	if (error != 0)
		goto done;

	/*
	 * Accept the DOS partition table.
	 *
	 * Adjust the disk information structure with updated CHS
	 * conversion parameters, but only use values extracted from
	 * the primary partition table.
	 *
	 * NOTE!  Regardless of our having to deal with this old cruft,
	 * we do not screw around with the info->d_media* parameters.
	 */
	secpercyl = (u_long)max_nsectors * max_ntracks;
	if (secpercyl != 0 && mbr_offset == DOSBBSECTOR) {
		info->d_secpertrack = max_nsectors;
		info->d_nheads = max_ntracks;
		info->d_secpercyl = secpercyl;
		info->d_ncylinders = info->d_media_blocks / secpercyl;
	}

	/*
	 * We are passed a pointer to a suitably initialized minimal
	 * slices "struct" with no dangling pointers in it.  Replace it
	 * by a maximal one.  This usually oversizes the "struct", but
	 * enlarging it while searching for logical drives would be
	 * inconvenient.
	 */
	kfree(*sspp, M_DEVBUF);
	ssp = dsmakeslicestruct(MAX_SLICES, info);
	*sspp = ssp;

	/* Initialize normal slices. */
	sp = &ssp->dss_slices[BASE_SLICE];
	for (dospart = 0, dp = dp0; dospart < NDOSPART; dospart++, dp++, sp++) {
		sname = dsname(dev, dkunit(dev), BASE_SLICE + dospart,
			       WHOLE_SLICE_PART, partname);
		(void)mbr_setslice(sname, info, sp, dp, mbr_offset);
	}
	ssp->dss_nslices = BASE_SLICE + NDOSPART;

	/* Handle extended partitions. */
	sp -= NDOSPART;
	for (dospart = 0; dospart < NDOSPART; dospart++, sp++) {
		if (sp->ds_type == DOSPTYP_EXTENDED ||
		    sp->ds_type == DOSPTYP_EXTENDEDX) {
			mbr_extended(wdev, info, ssp,
				     sp->ds_offset, sp->ds_size, sp->ds_offset,
				     max_nsectors, max_ntracks, mbr_offset, 1);
		}
	}

	/*
	 * mbr_extended() abuses ssp->dss_nslices for the number of slices
	 * that would be found if there were no limit on the number of slices
	 * in *ssp.  Cut it back now.
	 */
	if (ssp->dss_nslices > MAX_SLICES)
		ssp->dss_nslices = MAX_SLICES;

done:
	bp->b_flags |= B_INVAL | B_AGE;
	brelse(bp);
	if (error == EINVAL)
		error = 0;
	return (error);
}
Exemplo n.º 10
0
static
void
mbr_extended(cdev_t dev, struct disk_info *info, struct diskslices *ssp,
	    u_int64_t ext_offset, u_int64_t ext_size, u_int64_t base_ext_offset,
	    int nsectors, int ntracks, u_int64_t mbr_offset, int level)
{
	struct buf *bp;
	u_char	*cp;
	int	dospart;
	struct dos_partition *dp;
	struct dos_partition dpcopy[NDOSPART];
	u_int64_t ext_offsets[NDOSPART];
	u_int64_t ext_sizes[NDOSPART];
	char	partname[2];
	int	slice;
	char	*sname;
	struct diskslice *sp;

	if (level >= 16) {
		kprintf(
	"%s: excessive recursion in search for slices; aborting search\n",
		       devtoname(dev));
		return;
	}

	/* Read extended boot record. */
	bp = geteblk((int)info->d_media_blksize);
	bp->b_bio1.bio_offset = (off_t)ext_offset * info->d_media_blksize;
	bp->b_bio1.bio_done = biodone_sync;
	bp->b_bio1.bio_flags |= BIO_SYNC;
	bp->b_bcount = info->d_media_blksize;
	bp->b_cmd = BUF_CMD_READ;
	bp->b_flags |= B_FAILONDIS;
	dev_dstrategy(dev, &bp->b_bio1);
	if (biowait(&bp->b_bio1, "mbrrd") != 0) {
		diskerr(&bp->b_bio1, dev,
			"reading extended partition table: error",
			LOG_PRINTF, 0);
		kprintf("\n");
		goto done;
	}

	/* Weakly verify it. */
	cp = bp->b_data;
	if (cp[0x1FE] != 0x55 || cp[0x1FF] != 0xAA) {
		sname = dsname(dev, dkunit(dev), WHOLE_DISK_SLICE, WHOLE_SLICE_PART,
			       partname);
		if (bootverbose)
			kprintf("%s: invalid extended partition table: no magic\n",
			       sname);
		goto done;
	}

	/* Make a copy of the partition table to avoid alignment problems. */
	memcpy(&dpcopy[0], cp + DOSPARTOFF, sizeof(dpcopy));

	slice = ssp->dss_nslices;
	for (dospart = 0, dp = &dpcopy[0]; dospart < NDOSPART;
	    dospart++, dp++) {
		ext_sizes[dospart] = 0;
		if (dp->dp_scyl == 0 && dp->dp_shd == 0 && dp->dp_ssect == 0
		    && dp->dp_start == 0 && dp->dp_size == 0)
			continue;
		if (dp->dp_typ == DOSPTYP_EXTENDED ||
		    dp->dp_typ == DOSPTYP_EXTENDEDX) {
			static char buf[32];

			sname = dsname(dev, dkunit(dev), WHOLE_DISK_SLICE,
				       WHOLE_SLICE_PART, partname);
			ksnprintf(buf, sizeof(buf), "%s", sname);
			if (strlen(buf) < sizeof buf - 11)
				strcat(buf, "<extended>");
			check_part(buf, dp, base_ext_offset, nsectors,
				   ntracks, mbr_offset);
			ext_offsets[dospart] = base_ext_offset + dp->dp_start;
			ext_sizes[dospart] = dp->dp_size;
		} else {
			sname = dsname(dev, dkunit(dev), slice, WHOLE_SLICE_PART,
				       partname);
			check_part(sname, dp, ext_offset, nsectors, ntracks,
				   mbr_offset);
			if (slice >= MAX_SLICES) {
				kprintf("%s: too many slices\n", sname);
				slice++;
				continue;
			}
			sp = &ssp->dss_slices[slice];
			if (mbr_setslice(sname, info, sp, dp, ext_offset) != 0)
				continue;
			slice++;
		}
	}
	ssp->dss_nslices = slice;

	/* If we found any more slices, recursively find all the subslices. */
	for (dospart = 0; dospart < NDOSPART; dospart++) {
		if (ext_sizes[dospart] != 0) {
			mbr_extended(dev, info, ssp, ext_offsets[dospart],
				     ext_sizes[dospart], base_ext_offset,
				     nsectors, ntracks, mbr_offset, ++level);
		}
	}

done:
	bp->b_flags |= B_INVAL | B_AGE;
	brelse(bp);
}