a396f8dd7f
HDFFV-5928 - GMQS: h5diff problem and improvement on comparsing the same objects
Description:
Merged from HDF5 trunk r20767.
Improved performance by eliminating duplicated action for getting object
information in half from the previous fixe when comparing group vs group.
This is addition to the previous commit r20706.
Tested:
jam (linux32-LE), koala (linux64-LE), heiwa (linuxppc64-BE), tejeda (mac32-LE)
194 lines
7.5 KiB
C
194 lines
7.5 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* Copyright by the Board of Trustees of the University of Illinois. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the files COPYING and Copyright.html. COPYING can be found at the root *
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* of the source code distribution tree; Copyright.html can be found at the *
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* root level of an installed copy of the electronic HDF5 document set and *
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* is linked from the top-level documents page. It can also be found at *
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* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
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* access to either file, you may request a copy from help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#ifndef H5TRAV_H__
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#define H5TRAV_H__
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#include "hdf5.h"
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/* Typedefs for visiting objects */
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typedef herr_t (*h5trav_obj_func_t)(const char *path_name, const H5O_info_t *oinfo,
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const char *first_seen, void *udata);
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typedef herr_t (*h5trav_lnk_func_t)(const char *path_name, const H5L_info_t *linfo,
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void *udata);
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/*-------------------------------------------------------------------------
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* public enum to specify type of an object
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* the TYPE can be:
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* H5TRAV_TYPE_UNKNOWN = -1,
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* H5TRAV_TYPE_GROUP, Object is a group
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* H5TRAV_TYPE_DATASET, Object is a dataset
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* H5TRAV_TYPE_TYPE, Object is a named datatype
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* H5TRAV_TYPE_LINK, Object is a symbolic link
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* H5TRAV_TYPE_UDLINK, Object is a user-defined link
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*-------------------------------------------------------------------------
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*/
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typedef enum {
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H5TRAV_TYPE_UNKNOWN = -1, /* Unknown object type */
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H5TRAV_TYPE_GROUP, /* Object is a group */
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H5TRAV_TYPE_DATASET, /* Object is a dataset */
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H5TRAV_TYPE_NAMED_DATATYPE, /* Object is a named datatype */
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H5TRAV_TYPE_LINK, /* Object is a symbolic link */
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H5TRAV_TYPE_UDLINK /* Object is a user-defined link */
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} h5trav_type_t;
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/*-------------------------------------------------------------------------
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* public struct to store name and type of an object
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*-------------------------------------------------------------------------
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*/
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/* Struct to keep track of symbolic link targets visited.
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* Functions: symlink_visit_add() and symlink_is_visited()
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*/
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typedef struct symlink_trav_t {
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size_t nalloc;
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size_t nused;
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struct {
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H5L_type_t type;
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char *file;
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char *path;
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} *objs;
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hbool_t dangle_link;
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} symlink_trav_t;
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typedef struct trav_path_t {
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char *path;
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h5trav_type_t type;
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haddr_t objno; /* object address */
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unsigned long fileno; /* File number that object is located in */
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} trav_path_t;
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typedef struct trav_info_t {
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size_t nalloc;
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size_t nused;
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const char *fname;
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hid_t fid; /* File ID */
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trav_path_t *paths;
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symlink_trav_t symlink_visited; /* already visited symbolic links */
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void * opts; /* optional data passing */
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} trav_info_t;
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/*-------------------------------------------------------------------------
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* keep record of hard link information
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*-------------------------------------------------------------------------
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*/
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typedef struct trav_link_t {
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char *new_name;
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} trav_link_t;
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/*-------------------------------------------------------------------------
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* struct to store basic info needed for the h5trav table traversal algorythm
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*-------------------------------------------------------------------------
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*/
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typedef struct trav_obj_t {
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haddr_t objno; /* object address */
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unsigned flags[2]; /* h5diff.object is present or not in both files*/
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hbool_t is_same_trgobj; /* same target object? no need to compare */
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char *name; /* name */
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h5trav_type_t type; /* type of object */
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trav_link_t *links; /* array of possible link names */
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size_t sizelinks; /* size of links array */
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size_t nlinks; /* number of links */
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} trav_obj_t;
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/*-------------------------------------------------------------------------
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* private struct that stores all objects
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*-------------------------------------------------------------------------
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*/
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typedef struct trav_table_t {
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size_t size;
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size_t nobjs;
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trav_obj_t *objs;
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} trav_table_t;
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/*-------------------------------------------------------------------------
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* public functions
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*-------------------------------------------------------------------------
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*-------------------------------------------------------------------------
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* "h5trav general" public functions
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*-------------------------------------------------------------------------
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*/
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H5TOOLS_DLL int h5trav_visit(hid_t file_id, const char *grp_name,
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hbool_t visit_start, hbool_t recurse, h5trav_obj_func_t visit_obj,
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h5trav_lnk_func_t visit_lnk, void *udata);
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H5TOOLS_DLL herr_t symlink_visit_add(symlink_trav_t *visited, H5L_type_t type, const char *file, const char *path);
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H5TOOLS_DLL hbool_t symlink_is_visited(symlink_trav_t *visited, H5L_type_t type, const char *file, const char *path);
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/*-------------------------------------------------------------------------
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* "h5trav info" public functions
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*-------------------------------------------------------------------------
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*/
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H5TOOLS_DLL int h5trav_getinfo(hid_t file_id, trav_info_t *info);
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H5TOOLS_DLL ssize_t h5trav_getindex(const trav_info_t *info, const char *obj);
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H5TOOLS_DLL int trav_info_visit_obj (const char *path, const H5O_info_t *oinfo, const char *already_visited, void *udata);
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H5TOOLS_DLL int trav_info_visit_lnk (const char *path, const H5L_info_t *linfo, void *udata);
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/*-------------------------------------------------------------------------
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* "h5trav table" public functions
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*-------------------------------------------------------------------------
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*/
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H5TOOLS_DLL int h5trav_gettable(hid_t fid, trav_table_t *travt);
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H5TOOLS_DLL int h5trav_getindext(const char *obj, const trav_table_t *travt);
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/*-------------------------------------------------------------------------
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* "h5trav print" public functions
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*-------------------------------------------------------------------------
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*/
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H5TOOLS_DLL int h5trav_print(hid_t fid);
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#ifdef __cplusplus
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}
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#endif
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/*-------------------------------------------------------------------------
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* info private functions
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*-------------------------------------------------------------------------
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*/
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H5TOOLS_DLL void trav_info_init(const char *filename, hid_t fileid, trav_info_t **info);
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H5TOOLS_DLL void trav_info_free(trav_info_t *info);
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H5TOOLS_DLL void trav_info_add(trav_info_t *info, const char *path, h5trav_type_t obj_type);
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/*-------------------------------------------------------------------------
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* table private functions
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*-------------------------------------------------------------------------
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*/
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H5TOOLS_DLL void trav_table_init(trav_table_t **table);
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H5TOOLS_DLL void trav_table_free(trav_table_t *table);
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H5TOOLS_DLL void trav_table_addflags(unsigned *flags,
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char *objname,
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h5trav_type_t type,
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trav_table_t *table);
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#endif /* H5TRAV_H__ */
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