text: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
   * Copyright by The HDF Group.                                               *
   * Copyright by the Board of Trustees of the University of Illinois.         *
   * All rights reserved.                                                      *
   *                                                                           *
   * This file is part of HDF5.  The full HDF5 copyright notice, including     *
   * terms governing use, modification, and redistribution, is contained in    *
   * the files COPYING and Copyright.html.  COPYING can be found at the root   *
   * of the source code distribution tree; Copyright.html can be found at the  *
   * root level of an installed copy of the electronic HDF5 document set and   *
   * is linked from the top-level documents page.  It can also be found at     *
   * http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
   * access to either file, you may request a copy from help@hdfgroup.org.     *
   * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
  
  #include "H5private.h"
  #include "h5tools.h"
  #include "h5tools_utils.h"
  #include "h5diff.h"
  
  #define ATTR_NAME_MAX 255
  
  typedef struct table_attr_t {
      char      *name;
      unsigned   exist[2];
  } match_attr_t;
  
  typedef struct table_attrs_t {
      size_t      size;
      size_t      nattrs;
      size_t      nattrs_only1;
      size_t      nattrs_only2;
      match_attr_t *attrs;
  } table_attrs_t;
  
  
  /*-------------------------------------------------------------------------
   * Function: table_attrs_init
   *
   * Purpose: Initialize the table
   *
   * Parameter:
   *  - tbl [OUT]
   *
   * Programmer: Jonathan Kim
   *
   * Date: March 15, 2011
   *------------------------------------------------------------------------*/
  static void table_attrs_init(table_attrs_t **tbl)
  {
      table_attrs_t* table_attrs = (table_attrs_t*) HDmalloc(sizeof(table_attrs_t));
  
      table_attrs->size = 0;
      table_attrs->nattrs = 0;
      table_attrs->nattrs_only1 = 0;
      table_attrs->nattrs_only2 = 0;
      table_attrs->attrs = NULL;
  
      *tbl = table_attrs;
  }
  
  /*-------------------------------------------------------------------------
   * Function: table_attrs_free
   *
   * Purpose: free given table
   *
   * Parameter:
   *  - table [IN]
   *
   * Programmer: Jonathan Kim
   *
   * Date: March 15, 2011
   *------------------------------------------------------------------------*/
  static void table_attrs_free( table_attrs_t *table )
  {
      unsigned int i;
  
      if (table)
      {
          if(table->attrs) 
          {
              for(i = 0; i < table->nattrs; i++) 
              {
                  if(table->attrs[i].name)
                      HDfree(table->attrs[i].name );
              } /* end for */
              HDfree(table->attrs);
              table->attrs = NULL;
          } /* end if */
          HDfree(table);
          table = NULL;
      }
  }
  
  /*-------------------------------------------------------------------------
   * Function: table_attr_mark_exist
   *
   * Purpose: mark given attribute name to table as sign of exsit
   *
   * Parameter:
   *  - exist [IN]
   *  - name [IN]  : attribute name
   *  - table [OUT]
   *
   * Programmer: Jonathan Kim
   *
   * Date: March 15, 2011
   *------------------------------------------------------------------------*/
  static void table_attr_mark_exist(unsigned *exist, char *name, table_attrs_t *table)
  {
      size_t new_val;
  
      if(table->nattrs == table->size) {
          table->size = MAX(1, table->size * 2);
          table->attrs = (match_attr_t *)HDrealloc(table->attrs, table->size * sizeof(match_attr_t));
      } /* end if */
  
      new_val = table->nattrs++;
      table->attrs[new_val].exist[0] = exist[0];
      table->attrs[new_val].exist[1] = exist[1];
      table->attrs[new_val].name = (char *)HDstrdup(name);
  }
  
  /*-------------------------------------------------------------------------
   * Function: build_match_list_attrs
   *
   * Purpose: get list of matching attribute name from obj1 and obj2
   *
   * Note:
   *  Find common attribute; the algorithm for search is referred from 
   *  build_match_list() in h5diff.c .
   *
   * Parameter:
   *  table_out [OUT] : return the list
   *
   * Programmer: Jonathan Kim
   *
   * Date: March 15, 2011
   *------------------------------------------------------------------------*/
  static herr_t build_match_list_attrs(hid_t loc1_id, hid_t loc2_id, table_attrs_t ** table_out,  diff_opt_t *options)
  {
      H5O_info_t oinfo1, oinfo2;  /* Object info */
      hid_t      attr1_id=-1;     /* attr ID */
      hid_t      attr2_id=-1;     /* attr ID */
      size_t curr1 = 0;
      size_t curr2 = 0;
      unsigned infile[2];
      char  name1[ATTR_NAME_MAX];
      char  name2[ATTR_NAME_MAX];
      int cmp;
      unsigned i;
      table_attrs_t *table_lp = NULL;
  
      if(H5Oget_info(loc1_id, &oinfo1) < 0)
          goto error;
      if(H5Oget_info(loc2_id, &oinfo2) < 0)
          goto error;
  
      table_attrs_init( &table_lp );
  
      
     /*--------------------------------------------------
      * build the list
      */
      while(curr1 < oinfo1.num_attrs && curr2 < oinfo2.num_attrs)
      {
          /*------------------ 
           * open attribute1 */
          if((attr1_id = H5Aopen_by_idx(loc1_id, ".", H5_INDEX_NAME, H5_ITER_INC, (hsize_t)curr1, H5P_DEFAULT, H5P_DEFAULT)) < 0)
              goto error;
          /* get name */
          if(H5Aget_name(attr1_id, (size_t)ATTR_NAME_MAX, name1) < 0)
              goto error;
  
          /*------------------ 
           * open attribute2 */
          if((attr2_id = H5Aopen_by_idx(loc2_id, ".", H5_INDEX_NAME, H5_ITER_INC, (hsize_t)curr2, H5P_DEFAULT, H5P_DEFAULT)) < 0)
              goto error;
          /* get name */
          if(H5Aget_name(attr2_id, (size_t)ATTR_NAME_MAX, name2) < 0)
              goto error;
  
          /* criteria is string compare */
          cmp = HDstrcmp(name1, name2);
  
          if(cmp == 0) 
          {
              infile[0] = 1;
              infile[1] = 1;
              table_attr_mark_exist(infile, name1, table_lp);
              curr1++;
              curr2++;
          }
          else if(cmp < 0)
          {
              infile[0] = 1;
              infile[1] = 0;
              table_attr_mark_exist(infile, name1, table_lp);
              table_lp->nattrs_only1++;
              curr1++;
          }
          else
          {
              infile[0] = 0;
              infile[1] = 1;
              table_attr_mark_exist(infile, name2, table_lp);
              table_lp->nattrs_only2++;
              curr2++;
          }
  
          /* close for next turn */
          H5Aclose(attr1_id);
          attr1_id = -1;
          H5Aclose(attr2_id);
          attr2_id = -1;
      } /* end while */
  
      /* list1 did not end */
      infile[0] = 1;
      infile[1] = 0;
      while(curr1 < oinfo1.num_attrs)
      {
          /*------------------ 
           * open attribute1 */
          if((attr1_id = H5Aopen_by_idx(loc1_id, ".", H5_INDEX_NAME, H5_ITER_INC, (hsize_t)curr1, H5P_DEFAULT, H5P_DEFAULT)) < 0)
              goto error;
          /* get name */
          if(H5Aget_name(attr1_id, (size_t)ATTR_NAME_MAX, name1) < 0)
              goto error;
  
          table_attr_mark_exist(infile, name1, table_lp);
          table_lp->nattrs_only1++;
          curr1++;
  
          /* close for next turn */
          H5Aclose(attr1_id);
          attr1_id = -1;
      }
  
      /* list2 did not end */
      infile[0] = 0;
      infile[1] = 1;
      while(curr2 < oinfo2.num_attrs)
      {
          /*------------------ 
           * open attribute2 */
          if((attr2_id = H5Aopen_by_idx(loc2_id, ".", H5_INDEX_NAME, H5_ITER_INC, (hsize_t)curr2, H5P_DEFAULT, H5P_DEFAULT)) < 0)
              goto error;
          /* get name */
          if(H5Aget_name(attr2_id, (size_t)ATTR_NAME_MAX, name2) < 0)
              goto error;
  
          table_attr_mark_exist(infile, name2, table_lp);
          table_lp->nattrs_only2++;
          curr2++;
  
          /* close for next turn */
          H5Aclose(attr2_id);
      }
  
      /*------------------------------------------------------
      * print the list
      */
      if(options->m_verbose_level == 2)
      {
          /* if '-v2' is detected */
          parallel_print("   obj1   obj2\n");
          parallel_print(" --------------------------------------\n");
          for(i = 0; i < (unsigned int) table_lp->nattrs; i++) 
          {
              char c1, c2;
              c1 = (table_lp->attrs[i].exist[0]) ? 'x' : ' ';
              c2 = (table_lp->attrs[i].exist[1]) ? 'x' : ' ';
              parallel_print("%5c %6c    %-15s\n", c1, c2, table_lp->attrs[i].name);
          } /* end for */
      }
  
      if(options->m_verbose_level >= 1)
      {
          parallel_print("Attributes status:  %d common, %d only in obj1, %d only in obj2\n", table_lp->nattrs - table_lp->nattrs_only1 - table_lp->nattrs_only2, table_lp->nattrs_only1, table_lp->nattrs_only2 );
      }
  
      *table_out = table_lp;
  
      return 0;
  
  error:
      if (0 < attr1_id)
          H5Aclose(attr1_id);
      if (0 < attr2_id)
          H5Aclose(attr2_id);
  
      return -1;
  }
  
  /*-------------------------------------------------------------------------
   * Function: diff_attr
   *
   * Purpose: compare attributes located in LOC1_ID and LOC2_ID, which are
   *  obtained either from
   * loc_id = H5Gopen2(fid, name, H5P_DEFAULT);
   * loc_id = H5Dopen2(fid, name);
   * loc_id = H5Topen2(fid, name, H5P_DEFAULT);
   *
   * Return: number of differences found
   *
   * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
   *
   * Date: November, 03, 2003
   *
   * Modifications:
   *  March, 02, 2007: return the number of differences found
   *
   *-------------------------------------------------------------------------
   */
  
  hsize_t diff_attr(hid_t loc1_id,
                    hid_t loc2_id,
                    const char *path1,
                    const char *path2,
                    diff_opt_t *options)
  {
      hid_t      attr1_id=-1;     /* attr ID */
      hid_t      attr2_id=-1;     /* attr ID */
      hid_t      space1_id=-1;    /* space ID */
      hid_t      space2_id=-1;    /* space ID */
      hid_t      ftype1_id=-1;    /* file data type ID */
      hid_t      ftype2_id=-1;    /* file data type ID */
      hid_t      mtype1_id=-1;    /* memory data type ID */
      hid_t      mtype2_id=-1;    /* memory data type ID */
      size_t     msize1;          /* memory size of memory type */
      size_t     msize2;          /* memory size of memory type */
      void       *buf1=NULL;      /* data buffer */
      void       *buf2=NULL;      /* data buffer */
      hsize_t    nelmts1;         /* number of elements in dataset */
      int        rank1;           /* rank of dataset */
      int        rank2;           /* rank of dataset */
      hsize_t    dims1[H5S_MAX_RANK];/* dimensions of dataset */
      hsize_t    dims2[H5S_MAX_RANK];/* dimensions of dataset */
      char       *name1;
      char       *name2;
      char       np1[512];
      char       np2[512];
      unsigned   u;                  /* Local index variable */
      hsize_t    nfound = 0;
      hsize_t    nfound_total = 0;
      int       j;
  
      table_attrs_t * match_list_attrs = NULL;
      if( build_match_list_attrs(loc1_id, loc2_id, &match_list_attrs, options) < 0)
          goto error;
  
      /* if detect any unique extra attr */
      if(match_list_attrs->nattrs_only1 || match_list_attrs->nattrs_only2)
      {
          /* exit will be 1 */
          options->contents = 0;
      }
  
      for(u = 0; u < (unsigned)match_list_attrs->nattrs; u++)
      {
          if( (match_list_attrs->attrs[u].exist[0]) && (match_list_attrs->attrs[u].exist[1]) )
          {
          name1 = name2 = match_list_attrs->attrs[u].name;
  
         /*--------------
          * attribute 1 */
          if((attr1_id = H5Aopen(loc1_id, name1, H5P_DEFAULT)) < 0)
              goto error;
  
         /*--------------
          * attribute 2 */
          if((attr2_id = H5Aopen(loc2_id, name2, H5P_DEFAULT)) < 0)
              goto error;
  
          /* get the datatypes  */
          if((ftype1_id = H5Aget_type(attr1_id)) < 0)
              goto error;
          if((ftype2_id = H5Aget_type(attr2_id)) < 0)
              goto error;
          if((mtype1_id = h5tools_get_native_type(ftype1_id))<0)
              goto error;
          if((mtype2_id = h5tools_get_native_type(ftype2_id))<0)
              goto error;
          if((msize1 = H5Tget_size(mtype1_id))==0)
              goto error;
          if((msize2 = H5Tget_size(mtype2_id))==0)
              goto error;
  
          /* get the dataspace   */
          if((space1_id = H5Aget_space(attr1_id)) < 0)
              goto error;
          if((space2_id = H5Aget_space(attr2_id)) < 0)
              goto error;
  
          /* get dimensions  */
          if((rank1 = H5Sget_simple_extent_dims(space1_id, dims1, NULL)) < 0)
              goto error;
          if((rank2 = H5Sget_simple_extent_dims(space2_id, dims2, NULL)) < 0)
              goto error;
  
  
         /*----------------------------------------------------------------------
          * check for comparable TYPE and SPACE
          *----------------------------------------------------------------------
          */
  
          /* pass dims1 and dims2 for maxdims as well since attribute's maxdims
           * are always same */
          if( diff_can_type(ftype1_id, ftype2_id, rank1, rank2, dims1, dims2,
                            dims1, dims2, name1, name2, options, 0) != 1 )
          {
              if(H5Tclose(ftype1_id) < 0)
                  goto error;
              if(H5Tclose(ftype2_id) < 0)
                  goto error;
              if(H5Sclose(space1_id) < 0)
                  goto error;
              if(H5Sclose(space2_id) < 0)
                  goto error;
              if(H5Aclose(attr1_id) < 0)
                  goto error;
              if(H5Aclose(attr2_id) < 0)
                  goto error;
              if(H5Tclose(mtype1_id) < 0)
                  goto error;
              if(H5Tclose(mtype2_id) < 0)
                  goto error;
  
              continue;
          }
  
         /*-----------------------------------------------------------------
          * "upgrade" the smaller memory size
          *------------------------------------------------------------------
          */
          if (FAIL == match_up_memsize (ftype1_id, ftype2_id,
                                        &mtype1_id, &mtype2_id, 
                                        &msize1, &msize2))
              goto error;
  
          /*---------------------------------------------------------------------
          * read
          *----------------------------------------------------------------------
          */
          nelmts1 = 1;
          for(j = 0; j < rank1; j++)
              nelmts1 *= dims1[j];
  
          buf1 = (void *)HDmalloc((size_t)(nelmts1 * msize1));
          buf2 = (void *)HDmalloc((size_t)(nelmts1 * msize2));
          if(buf1 == NULL || buf2 == NULL) {
              parallel_print( "cannot read into memory\n" );
              goto error;
          }
          if(H5Aread(attr1_id,mtype1_id,buf1) < 0)
              goto error;
          if(H5Aread(attr2_id,mtype2_id,buf2) < 0)
              goto error;
  
          /* format output string */
          HDsnprintf(np1, sizeof(np1), "%s of <%s>", name1, path1);
          HDsnprintf(np2, sizeof(np1), "%s of <%s>", name2, path2);
  
          /*---------------------------------------------------------------------
          * array compare
          *----------------------------------------------------------------------
          */
  
          /* always print name */
          /* verbose (-v) and report (-r) mode */
          if(options->m_verbose || options->m_report) {
              do_print_attrname("attribute", np1, np2);
  
              nfound = diff_array(buf1, buf2, nelmts1, (hsize_t)0, rank1, dims1,
                  options, np1, np2, mtype1_id, attr1_id, attr2_id);
              print_found(nfound);
          }
          /* quiet mode (-q), just count differences */
          else if(options->m_quiet) {
              nfound = diff_array(buf1, buf2, nelmts1, (hsize_t)0, rank1, dims1,
                  options, np1, np2, mtype1_id, attr1_id, attr2_id);
          }
          /* the rest (-c, none, ...) */
          else {
              nfound = diff_array(buf1, buf2, nelmts1, (hsize_t)0, rank1, dims1,
                  options, np1, np2, mtype1_id, attr1_id, attr2_id);
  
                  /* print info if compatible and difference found */
                  if(nfound) {
                      do_print_attrname("attribute", np1, np2);
                      print_found(nfound);
                  } /* end if */
          } /* end else */
  
  
         /*----------------------------------------------------------------------
          * close
          *----------------------------------------------------------------------
          */
  
          /* Free buf1 and buf2, check both VLEN-data VLEN-string to reclaim any 
           * VLEN memory first */
          if(TRUE == h5tools_detect_vlen(mtype1_id))
              H5Dvlen_reclaim(mtype1_id, space1_id, H5P_DEFAULT, buf1);
          HDfree(buf1);
  
          buf1 = NULL;
          if(TRUE == h5tools_detect_vlen(mtype2_id))
              H5Dvlen_reclaim(mtype2_id, space2_id, H5P_DEFAULT, buf2);
          HDfree(buf2);
          buf2 = NULL;
  
          if(H5Tclose(ftype1_id) < 0)
              goto error;
          if(H5Tclose(ftype2_id) < 0)
              goto error;
          if(H5Sclose(space1_id) < 0)
              goto error;
          if(H5Sclose(space2_id) < 0)
              goto error;
          if(H5Aclose(attr1_id) < 0)
              goto error;
          if(H5Aclose(attr2_id) < 0)
              goto error;
          if(H5Tclose(mtype1_id) < 0)
              goto error;
          if(H5Tclose(mtype2_id) < 0)
              goto error;
  
          nfound_total += nfound;
          }
      } /* u */
  
      table_attrs_free(match_list_attrs);
  
      return nfound_total;
  
  error:
      H5E_BEGIN_TRY {
          if(buf1) {
              if(TRUE == h5tools_detect_vlen(mtype1_id))
                  H5Dvlen_reclaim(mtype1_id, space1_id, H5P_DEFAULT, buf1);
              HDfree(buf1);
          } /* end if */
          if(buf2) {
              if(TRUE == h5tools_detect_vlen(mtype2_id))
                  H5Dvlen_reclaim(mtype2_id, space2_id, H5P_DEFAULT, buf2);
              HDfree(buf2);
          } /* end if */
  
          table_attrs_free(match_list_attrs);
  
          H5Tclose(ftype1_id);
          H5Tclose(ftype2_id);
          H5Tclose(mtype1_id);
          H5Tclose(mtype2_id);
          H5Sclose(space1_id);
          H5Sclose(space2_id);
          H5Aclose(attr1_id);
          H5Aclose(attr2_id);
      } H5E_END_TRY;
  
      options->err_stat = 1;
      return nfound_total;
  }
  
  