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-rw-r--r--src/H5Oint.c153
1 files changed, 84 insertions, 69 deletions
diff --git a/src/H5Oint.c b/src/H5Oint.c
index c9e82c0..7c5977f 100644
--- a/src/H5Oint.c
+++ b/src/H5Oint.c
@@ -61,6 +61,7 @@ typedef struct {
H5SL_t *visited; /* Skip list for tracking visited nodes */
H5O_iterate_t op; /* Application callback */
void *op_data; /* Application's op data */
+ unsigned fields; /* Selection of object info */
} H5O_iter_visit_ud_t;
@@ -2211,20 +2212,22 @@ H5O__get_hdr_info_real(const H5O_t *oh, H5O_hdr_info_t *hdr)
/*-------------------------------------------------------------------------
- * Function: H5O_get_info
+ * Function: H5O_get_info
*
- * Purpose: Retrieve the information for an object
+ * Purpose: Retrieve the information for an object
*
- * Return: Success: Non-negative
- * Failure: Negative
+ * Note: Add a parameter "fields" to indicate selection of object info.
+ *
+ * Return: Success: Non-negative
+ * Failure: Negative
*
- * Programmer: Quincey Koziol
- * November 21 2006
+ * Programmer: Quincey Koziol
+ * November 21 2006
*
*-------------------------------------------------------------------------
*/
herr_t
-H5O_get_info(const H5O_loc_t *loc, hbool_t want_ih_info, H5O_info_t *oinfo)
+H5O_get_info(const H5O_loc_t *loc, H5O_info_t *oinfo, unsigned fields)
{
const H5O_obj_class_t *obj_class; /* Class of object for header */
H5O_t *oh = NULL; /* Object header */
@@ -2259,57 +2262,61 @@ H5O_get_info(const H5O_loc_t *loc, hbool_t want_ih_info, H5O_info_t *oinfo)
/* Set the object's reference count */
oinfo->rc = oh->nlink;
- /* Get modification time for object */
- if(oh->version > H5O_VERSION_1) {
- oinfo->atime = oh->atime;
- oinfo->mtime = oh->mtime;
- oinfo->ctime = oh->ctime;
- oinfo->btime = oh->btime;
- } /* end if */
- else {
- htri_t exists; /* Flag if header message of interest exists */
-
- /* No information for access & modification fields */
- /* (we stopped updating the "modification time" header message for
- * raw data changes, so the "modification time" header message
- * is closest to the 'change time', in POSIX terms - QAK)
- */
- oinfo->atime = 0;
- oinfo->mtime = 0;
- oinfo->btime = 0;
-
- /* Might be information for modification time */
- if((exists = H5O_msg_exists_oh(oh, H5O_MTIME_ID)) < 0)
- HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "unable to check for MTIME message")
- if(exists > 0) {
- /* Get "old style" modification time info */
- if(NULL == H5O_msg_read_oh(loc->file, oh, H5O_MTIME_ID, &oinfo->ctime))
- HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't read MTIME message")
+ /* Get time information, if requested */
+ if(fields & H5O_INFO_TIME) {
+ if(oh->version > H5O_VERSION_1) {
+ oinfo->atime = oh->atime;
+ oinfo->mtime = oh->mtime;
+ oinfo->ctime = oh->ctime;
+ oinfo->btime = oh->btime;
} /* end if */
else {
- /* Check for "new style" modification time info */
- if((exists = H5O_msg_exists_oh(oh, H5O_MTIME_NEW_ID)) < 0)
- HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "unable to check for MTIME_NEW message")
- if(exists > 0) {
- /* Get "new style" modification time info */
- if(NULL == H5O_msg_read_oh(loc->file, oh, H5O_MTIME_NEW_ID, &oinfo->ctime))
- HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't read MTIME_NEW message")
+ htri_t exists; /* Flag if header message of interest exists */
+
+ /* No information for access & modification fields */
+ /* (we stopped updating the "modification time" header message for
+ * raw data changes, so the "modification time" header message
+ * is closest to the 'change time', in POSIX terms - QAK)
+ */
+ oinfo->atime = 0;
+ oinfo->mtime = 0;
+ oinfo->btime = 0;
+
+ /* Might be information for modification time */
+ if((exists = H5O_msg_exists_oh(oh, H5O_MTIME_ID)) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "unable to check for MTIME message")
+ if(exists > 0) {
+ /* Get "old style" modification time info */
+ if(NULL == H5O_msg_read_oh(loc->file, oh, H5O_MTIME_ID, &oinfo->ctime))
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't read MTIME message")
} /* end if */
- else
- oinfo->ctime = 0;
- } /* end else */
- } /* end else */
+ else {
+ /* Check for "new style" modification time info */
+ if((exists = H5O_msg_exists_oh(oh, H5O_MTIME_NEW_ID)) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "unable to check for MTIME_NEW message")
+ if(exists > 0) {
+ /* Get "new style" modification time info */
+ if(NULL == H5O_msg_read_oh(loc->file, oh, H5O_MTIME_NEW_ID, &oinfo->ctime))
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't read MTIME_NEW message")
+ } /* end if */
+ else
+ oinfo->ctime = 0;
+ } /* end else */
+ } /* end else */
+ } /* end if */
- /* Get the information for the object header */
- if(H5O__get_hdr_info_real(oh, &oinfo->hdr) < 0)
- HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't retrieve object header info")
+ /* Get the information for the object header, if requested */
+ if(fields & H5O_INFO_HDR)
+ if(H5O__get_hdr_info_real(oh, &oinfo->hdr) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't retrieve object header info")
/* Retrieve # of attributes */
- if(H5O_attr_count_real(loc->file, oh, &oinfo->num_attrs) < 0)
- HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't retrieve attribute count")
+ if(fields & H5O_INFO_NUM_ATTRS)
+ if(H5O_attr_count_real(loc->file, oh, &oinfo->num_attrs) < 0)
+ HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't retrieve attribute count")
/* Get B-tree & heap metadata storage size, if requested */
- if(want_ih_info) {
+ if(fields & H5O_INFO_META_SIZE) {
/* Check for 'bh_info' callback for this type of object */
if(obj_class->bh_info)
/* Call the object's class 'bh_info' routine */
@@ -2317,9 +2324,10 @@ H5O_get_info(const H5O_loc_t *loc, hbool_t want_ih_info, H5O_info_t *oinfo)
HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't retrieve object's btree & heap info")
/* Get B-tree & heap info for any attributes */
- if(oinfo->num_attrs > 0)
+ if(!(fields & H5O_INFO_NUM_ATTRS) || oinfo->num_attrs > 0) {
if(H5O__attr_bh_info(loc->file, oh, &oinfo->meta_size.attr) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't retrieve attribute btree & heap info")
+ } /* end if */
} /* end if */
done:
@@ -2338,16 +2346,18 @@ done:
* Note: This routine is needed so that there's a non-API routine
* that can set up VOL / SWMR info (which need a DXPL).
*
- * Return: Success: Non-negative
- * Failure: Negative
+ * Note: Add a parameter "fields" to indicate selection of object info.
+ *
+ * Return: Success: Non-negative
+ * Failure: Negative
*
* Programmer: Quincey Koziol
- * December 28, 2017
+ * December 28, 2017
*
*-------------------------------------------------------------------------
*/
herr_t
-H5O__get_info_by_name(const H5G_loc_t *loc, const char *name, H5O_info_t *oinfo)
+H5O__get_info_by_name(const H5G_loc_t *loc, const char *name, H5O_info_t *oinfo, unsigned fields)
{
herr_t ret_value = SUCCEED; /* Return value */
@@ -2359,7 +2369,7 @@ H5O__get_info_by_name(const H5G_loc_t *loc, const char *name, H5O_info_t *oinfo)
HDassert(oinfo);
/* Retrieve the object's information */
- if(H5G_loc_info(loc, name, TRUE, oinfo/*out*/) < 0)
+ if(H5G_loc_info(loc, name, oinfo/*out*/, fields) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't retrieve object info")
done:
@@ -2376,17 +2386,19 @@ done:
* Note: This routine is needed so that there's a non-API routine
* that can set up VOL / SWMR info (which need a DXPL).
*
- * Return: Success: Non-negative
- * Failure: Negative
+ * Note: Add a parameter "fields" to indicate selection of object info.
*
- * Programmer: Quincey Koziol
- * December 28, 2017
+ * Return: Success: Non-negative
+ * Failure: Negative
+ *
+ * Programmer: Quincey Koziol
+ * December 28, 2017
*
*-------------------------------------------------------------------------
*/
herr_t
H5O__get_info_by_idx(const H5G_loc_t *loc, const char *group_name, H5_index_t idx_type,
- H5_iter_order_t order, hsize_t n, H5O_info_t *oinfo)
+ H5_iter_order_t order, hsize_t n, H5O_info_t *oinfo, unsigned fields)
{
H5G_loc_t obj_loc; /* Location used to open group */
H5G_name_t obj_path; /* Opened object group hier. path */
@@ -2412,7 +2424,7 @@ H5O__get_info_by_idx(const H5G_loc_t *loc, const char *group_name, H5_index_t id
loc_found = TRUE;
/* Retrieve the object's information */
- if(H5O_get_info(obj_loc.oloc, TRUE, oinfo) < 0)
+ if(H5O_get_info(obj_loc.oloc, oinfo, fields) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't retrieve object info")
done:
@@ -2793,7 +2805,7 @@ H5O__visit_cb(hid_t H5_ATTR_UNUSED group, const char *name, const H5L_info_t *li
H5O_info_t oinfo; /* Object info */
/* Get the object's info */
- if(H5O_get_info(&obj_oloc, TRUE, &oinfo) < 0)
+ if(H5O_get_info(&obj_oloc, &oinfo, udata->fields) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, H5_ITER_ERROR, "unable to get object info")
/* Make the application callback */
@@ -2833,7 +2845,7 @@ done:
/*-------------------------------------------------------------------------
* Function: H5O__visit
*
- * Purpose: Recursively visit an object and all the objects reachable
+ * Purpose: Recursively visit an object and all the objects reachable
* from it. If the starting object is a group, all the objects
* linked to from that group will be visited. Links within
* each group are visited according to the order within the
@@ -2849,22 +2861,24 @@ done:
* iteration index and iteration order given) will be used to in
* the callback about the object.
*
- * Return: Success: The return value of the first operator that
+ * Note: Add a parameter "fields" to indicate selection of object info.
+ *
+ * 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
+ * Failure: Negative if something goes wrong within the
* library, or the negative value returned by one
* of the operators.
*
* Programmer: Quincey Koziol
- * November 24 2007
+ * November 24 2007
*
*-------------------------------------------------------------------------
*/
herr_t
H5O__visit(hid_t loc_id, const char *obj_name, H5_index_t idx_type,
- H5_iter_order_t order, H5O_iterate_t op, void *op_data)
+ H5_iter_order_t order, H5O_iterate_t op, void *op_data, unsigned fields)
{
H5O_iter_visit_ud_t udata; /* User data for callback */
H5G_loc_t loc; /* Location of reference object */
@@ -2896,7 +2910,7 @@ H5O__visit(hid_t loc_id, const char *obj_name, H5_index_t idx_type,
loc_found = TRUE;
/* Get the object's info */
- if(H5O_get_info(&obj_oloc, TRUE, &oinfo) < 0)
+ if(H5O_get_info(&obj_oloc, &oinfo, fields) < 0)
HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to get object info")
/* Open the object */
@@ -2925,6 +2939,7 @@ H5O__visit(hid_t loc_id, const char *obj_name, H5_index_t idx_type,
udata.start_loc = &start_loc;
udata.op = op;
udata.op_data = op_data;
+ udata.fields = fields;
/* Create skip list to store visited object information */
if((udata.visited = H5SL_create(H5SL_TYPE_OBJ, NULL)) == NULL)
generated by cgit v0.12 at 2024-11-09 21:08:25 (GMT)