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-rw-r--r--tools/h5diff/h5trav.c594
1 files changed, 594 insertions, 0 deletions
diff --git a/tools/h5diff/h5trav.c b/tools/h5diff/h5trav.c
new file mode 100644
index 0000000..dad344d
--- /dev/null
+++ b/tools/h5diff/h5trav.c
@@ -0,0 +1,594 @@
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "hdf5.h"
+#include "h5trav.h"
+
+
+
+#ifndef FALSE
+#define FALSE 0
+#endif
+#ifndef TRUE
+#define TRUE 1
+#endif
+
+#ifndef FAIL
+#define FAIL -1
+#endif
+
+
+
+/* functions for traversal */
+int traverse( hid_t loc_id, const char *group_name, table_t *table, info_t *info, int *idx );
+herr_t get_nobjects( hid_t loc_id, const char *group_name );
+herr_t get_name_type( hid_t loc_id, const char *group_name, int idx, char **name, int *type );
+
+/* table methods */
+void table_init( table_t **table );
+void table_free( table_t *table );
+int table_search(unsigned long *objno, table_t *table );
+void table_add(unsigned long *objno, char *objname, table_t *table );
+
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5get_object_info
+ *
+ * Purpose:
+ *
+ * Return: Success: 0, Failure: -11
+ *
+ * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
+ *
+ * Date: November 6, 2002
+ *
+ * Comments:
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+
+int H5get_object_info( hid_t file_id, info_t *info )
+{
+
+ table_t *table=NULL;
+ int nobjects=0;
+
+ /* init table */
+ table_init( &table );
+
+ /* iterate starting on the root group */
+ if (( nobjects = traverse( file_id, "/", table, info, &nobjects )) < 0 )
+ return -1;
+
+ /* free table */
+ table_free( table );
+
+ return nobjects;
+
+}
+
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: count_objects
+ *
+ * Purpose: operator function
+ *
+ * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
+ *
+ * Date: October 10, 2002
+ *
+ * Comments:
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+
+static herr_t count_objects( hid_t loc_id, const char *name, void *op_data)
+{
+
+ H5G_stat_t statbuf;
+
+ if (H5Gget_objinfo( loc_id, name, FALSE, &statbuf) < 0 )
+ return 1;
+
+ (*(int *)op_data)++;
+
+ /* Define a default zero value for return. This will cause the iterator to continue */
+ return 0;
+}
+
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: get_nobjects
+ *
+ * Purpose: Counts the number of objects in the group GROUP_NAME
+ *
+ * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
+ *
+ * Date: October 10, 2002
+ *
+ * Return:
+ * Success: The return value of the first operator that
+ * returns non-zero, or zero if all members were
+ * processed with no operator returning non-zero.
+ *
+ * Failure: Negative if something goes wrong within the
+ * library, or the negative value returned by one
+ * of the operators.
+ *
+ *-------------------------------------------------------------------------
+ */
+
+herr_t get_nobjects( hid_t loc_id, const char *group_name )
+{
+
+ int nobjs = 0;
+
+ if ( H5Giterate( loc_id, group_name, NULL, count_objects, (void *)&nobjs ) < 0 )
+ return -1;
+
+ return nobjs;
+}
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: opget_info
+ *
+ * Purpose: operator function
+ *
+ * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
+ *
+ * Date: October 10, 2002
+ *
+ * Comments:
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+
+static herr_t opget_info( hid_t loc_id, const char *name, void *op_data)
+{
+
+ H5G_stat_t statbuf;
+
+ if (H5Gget_objinfo( loc_id, name, FALSE, &statbuf) < 0 )
+ return 1;
+
+ ((info_t *)op_data)->type = statbuf.type;
+ ((info_t *)op_data)->name = (char *)strdup(name);
+
+ /* Define 1 for return. This will cause the iterator to stop */
+ return 1;
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function: get_name_type
+ *
+ * Purpose:
+ *
+ * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
+ *
+ * Date: October 10, 2002
+ *
+ * Return:
+ * Success: The return value of the first operator that
+ * returns non-zero, or zero if all members were
+ * processed with no operator returning non-zero.
+ *
+ * Failure: Negative if something goes wrong within the
+ * library, or the negative value returned by one
+ * of the operators.
+ *
+ *-------------------------------------------------------------------------
+ */
+
+herr_t get_name_type( hid_t loc_id, const char *group_name, int idx, char **name, int *type )
+{
+
+ info_t info;
+
+ if (H5Giterate( loc_id, group_name, &idx, opget_info, (void *)&info) < 0 )
+ return -1;
+
+ *name = info.name;
+ *type = info.type;
+
+ return 0;
+}
+
+
+
+
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: traverse
+ *
+ * Purpose:
+ *
+ * Return: Success: 0, Failure: -11
+ *
+ * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
+ *
+ * Date: November 4, 2002
+ *
+ * Comments:
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+
+
+
+int traverse( hid_t loc_id, const char *group_name, table_t *table, info_t *info, int *idx )
+{
+
+ char *name=NULL;
+ int type;
+ int nobjs;
+ int i;
+ char *path=NULL;
+ H5G_stat_t statbuf;
+ int inserted_objs=0;
+ int j;
+ void *edata;
+ hid_t (*func)(void*);
+
+ if (( nobjs = get_nobjects( loc_id, group_name )) < 0 )
+ return -1;
+
+ for ( i = 0; i < nobjs; i++)
+ {
+
+ if (get_name_type( loc_id, group_name, i, &name, &type ) < 0 )
+ return -1;
+
+ /* allocate path buffer */
+ path = (char*) malloc(strlen(group_name) + strlen(name) + 2);
+
+ /* initialize path */
+ strcpy( path, group_name );
+ if ( strcmp(group_name,"/")!=0 )
+ strcat( path, "/" );
+ strcat( path, name );
+
+
+
+ /* disable error reporting */
+ H5Eget_auto(&func, &edata);
+ H5Eset_auto(NULL, NULL);
+
+ /* get info */
+ H5Gget_objinfo( loc_id, path, TRUE, &statbuf);
+ H5Eset_auto(func, edata);
+
+ /* add to array */
+ if ( info )
+ {
+ info[*idx].name = strdup(path);
+ info[*idx].type = type;
+ (*idx)++;
+ }
+
+
+ switch ( type )
+ {
+
+ /*-------------------------------------------------------------------------
+ * H5G_GROUP
+ *-------------------------------------------------------------------------
+ */
+
+ case H5G_GROUP:
+
+ /* increment */
+ inserted_objs++;
+
+ /* nlink is number of hard links to object */
+ if (statbuf.nlink > 0 && table_search(statbuf.objno, table ) == FAIL)
+ {
+ /* add object to table */
+ table_add(statbuf.objno, path, table );
+
+ /* recurse with the absolute name */
+ inserted_objs += traverse( loc_id, path, table, info, idx );
+ }
+
+ /* search table
+ group with more than one link to it */
+ if (statbuf.nlink > 1)
+ {
+ if ((j = table_search(statbuf.objno, table )) < 0 )
+ return -1;
+
+ if ( table->objs[j].displayed == 0 )
+ {
+ table->objs[j].displayed = 1;
+ }
+ else
+ {
+ printf("%s %s\n", "HARDLINK", table->objs[j].objname);
+ }
+
+ }
+
+
+
+
+
+ break;
+
+ /*-------------------------------------------------------------------------
+ * H5G_DATASET
+ *-------------------------------------------------------------------------
+ */
+
+ case H5G_DATASET:
+
+
+
+ /* increment */
+ inserted_objs++;
+
+ /* nlink is number of hard links to object */
+ if (statbuf.nlink > 0 && table_search(statbuf.objno, table ) == FAIL)
+ {
+ /* add object to table */
+ table_add(statbuf.objno, path, table );
+
+ }
+
+ /* search table
+ dataset with more than one link to it */
+ if (statbuf.nlink > 1)
+ {
+ if ((j = table_search(statbuf.objno, table )) < 0 )
+ return -1;
+
+ if ( table->objs[j].displayed == 0 )
+ {
+ table->objs[j].displayed = 1;
+ }
+ else
+ {
+ printf("%s %s\n", "HARDLINK", table->objs[j].objname);
+ }
+
+ }
+
+
+ break;
+
+ /*-------------------------------------------------------------------------
+ * H5G_TYPE
+ *-------------------------------------------------------------------------
+ */
+
+ case H5G_TYPE:
+
+
+
+ /* increment */
+ inserted_objs++;
+
+ /* nlink is number of hard links to object */
+ if (statbuf.nlink > 0 && table_search(statbuf.objno, table ) == FAIL)
+ {
+ /* add object to table */
+ table_add(statbuf.objno, path, table );
+
+ }
+
+ break;
+
+
+ /*-------------------------------------------------------------------------
+ * H5G_LINK
+ *-------------------------------------------------------------------------
+ */
+
+ case H5G_LINK:
+
+
+
+ /* increment */
+ inserted_objs++;
+
+ break;
+
+
+ default:
+ break;
+
+ }
+
+ /*-------------------------------------------------------------------------
+ * end switch
+ *-------------------------------------------------------------------------
+ */
+
+ if ( name )
+ free( name );
+
+ if ( path )
+ free( path );
+
+ } /* i */
+
+
+
+ return inserted_objs;
+}
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: table_search
+ *
+ * Purpose:
+ *
+ * Return: Success: 0, Failure: -11
+ *
+ * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
+ *
+ * Date: November 4, 2002
+ *
+ * Comments:
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+
+int table_search(unsigned long *objno, table_t *table )
+{
+ int i;
+
+ for (i = 0; i < table->nobjs; i++)
+ if (table->objs[i].objno[0] == *objno && table->objs[i].objno[1] == *(objno + 1))
+ return i;
+
+ return FAIL;
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function: table_add
+ *
+ * Purpose:
+ *
+ * Return: Success: 0, Failure: -11
+ *
+ * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
+ *
+ * Date: November 4, 2002
+ *
+ * Comments:
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+
+
+
+void table_add(unsigned long *objno, char *objname, table_t *table)
+{
+ int i;
+
+ if (table->nobjs == table->size) {
+ table->size *= 2;
+ table->objs = (obj_t*)realloc(table->objs, table->size * sizeof(obj_t));
+
+ for (i = table->nobjs; i < table->size; i++) {
+ table->objs[i].objno[0] = table->objs[i].objno[1] = 0;
+ table->objs[i].displayed = 0;
+ table->objs[i].recorded = 0;
+ table->objs[i].objname = NULL;
+ }
+ }
+
+ i = table->nobjs++;
+ table->objs[i].objno[0] = objno[0];
+ table->objs[i].objno[1] = objno[1];
+ free(table->objs[i].objname);
+ table->objs[i].objname = strdup(objname);
+
+
+}
+
+
+/*-------------------------------------------------------------------------
+ * Function: table_init
+ *
+ * Purpose:
+ *
+ * Return: Success: 0, Failure: -11
+ *
+ * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
+ *
+ * Date: November 4, 2002
+ *
+ * Comments:
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+
+void table_init( table_t **tbl )
+{
+ int i;
+ table_t* table = (table_t*) malloc(sizeof(table_t));
+
+ table->size = 20;
+ table->nobjs = 0;
+ table->objs = (obj_t*) malloc(table->size * sizeof(obj_t));
+
+ for (i = 0; i < table->size; i++) {
+ table->objs[i].objno[0] = table->objs[i].objno[1] = 0;
+ table->objs[i].displayed = 0;
+ table->objs[i].recorded = 0;
+ table->objs[i].objname = NULL;
+ }
+
+ *tbl = table;
+}
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: table_free
+ *
+ * Purpose:
+ *
+ * Return: Success: 0, Failure: -11
+ *
+ * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
+ *
+ * Date: November 4, 2002
+ *
+ * Comments:
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+
+void table_free( table_t *table )
+{
+
+ int i;
+
+
+#if 0
+ printf("Table: # of entries = %d\n", table->nobjs);
+ for ( i = 0; i < table->nobjs; i++)
+ printf("%lu %lu %s %d %d\n", table->objs[i].objno[0],
+ table->objs[i].objno[1],
+ table->objs[i].objname,
+ table->objs[i].displayed, table->objs[i].recorded);
+#endif
+
+ for ( i = 0; i < table->nobjs; i++)
+ free( table->objs[i].objname );
+
+ free(table->objs);
+ free(table);
+
+}
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