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-rw-r--r--src/H5Glink.c96
-rw-r--r--src/H5Gobj.c159
-rw-r--r--src/H5Gpkg.h17
-rw-r--r--src/H5Gprivate.h2
-rw-r--r--src/H5Gpublic.h11
-rw-r--r--src/H5Gtraverse.c28
-rw-r--r--src/H5L.c421
-rw-r--r--src/H5Lpublic.h15
-rw-r--r--src/H5Plapl.c4
-rw-r--r--src/H5public.h4
10 files changed, 609 insertions, 148 deletions
diff --git a/src/H5Glink.c b/src/H5Glink.c
index 6611ea0..73b974e 100644
--- a/src/H5Glink.c
+++ b/src/H5Glink.c
@@ -88,7 +88,8 @@ typedef struct {
/* PRIVATE PROTOTYPES */
static herr_t H5G_link_build_table_cb(const void *_mesg, unsigned idx, void *_udata);
static herr_t H5G_link_build_table(H5O_loc_t *oloc, hid_t dxpl_id,
- const H5O_linfo_t *linfo, H5_iter_order_t order, H5G_link_table_t *ltable);
+ const H5O_linfo_t *linfo, H5L_index_t idx_type, H5_iter_order_t order,
+ H5G_link_table_t *ltable);
/*-------------------------------------------------------------------------
@@ -120,7 +121,7 @@ H5G_link_build_table_cb(const void *_mesg, unsigned UNUSED idx, void *_udata)
HDassert(udata->curr_lnk < udata->ltable->nlinks);
/* Copy link message into table */
- if(H5O_copy(H5O_LINK_ID, lnk, &(udata->ltable->lnks[udata->curr_lnk])) == NULL)
+ if(NULL == H5O_copy(H5O_LINK_ID, lnk, &(udata->ltable->lnks[udata->curr_lnk])))
HGOTO_ERROR(H5E_SYM, H5E_CANTCOPY, H5O_ITER_ERROR, "can't copy link message")
/* Increment current link entry to operate on */
@@ -147,7 +148,7 @@ done:
*/
static herr_t
H5G_link_build_table(H5O_loc_t *oloc, hid_t dxpl_id, const H5O_linfo_t *linfo,
- H5_iter_order_t order, H5G_link_table_t *ltable)
+ H5L_index_t idx_type, H5_iter_order_t order, H5G_link_table_t *ltable)
{
herr_t ret_value = SUCCEED; /* Return value */
@@ -178,13 +179,22 @@ H5G_link_build_table(H5O_loc_t *oloc, hid_t dxpl_id, const H5O_linfo_t *linfo,
HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "error iterating over link messages")
/* Sort link table in correct iteration order */
- /* (XXX: by name, currently) */
- if(order == H5_ITER_INC)
- HDqsort(ltable->lnks, ltable->nlinks, sizeof(H5O_link_t), H5G_obj_cmp_name_inc);
- else if(order == H5_ITER_INC)
- HDqsort(ltable->lnks, ltable->nlinks, sizeof(H5O_link_t), H5G_obj_cmp_name_dec);
- else
- HDassert(order == H5_ITER_NATIVE);
+ if(idx_type == H5L_INDEX_NAME) {
+ if(order == H5_ITER_INC)
+ HDqsort(ltable->lnks, ltable->nlinks, sizeof(H5O_link_t), H5G_obj_cmp_name_inc);
+ else if(order == H5_ITER_INC)
+ HDqsort(ltable->lnks, ltable->nlinks, sizeof(H5O_link_t), H5G_obj_cmp_name_dec);
+ else
+ HDassert(order == H5_ITER_NATIVE);
+ } /* end if */
+ else {
+ if(order == H5_ITER_INC)
+ HDqsort(ltable->lnks, ltable->nlinks, sizeof(H5O_link_t), H5G_obj_cmp_corder_inc);
+ else if(order == H5_ITER_INC)
+ HDqsort(ltable->lnks, ltable->nlinks, sizeof(H5O_link_t), H5G_obj_cmp_corder_dec);
+ else
+ HDassert(order == H5_ITER_NATIVE);
+ } /* end else */
} /* end if */
else
ltable->lnks = NULL;
@@ -439,7 +449,7 @@ H5G_link_get_name_by_idx(H5O_loc_t *oloc, hid_t dxpl_id,
HDassert(oloc);
/* Build table of all link messages */
- if(H5G_link_build_table(oloc, dxpl_id, linfo, H5_ITER_INC, &ltable) < 0)
+ if(H5G_link_build_table(oloc, dxpl_id, linfo, H5L_INDEX_NAME, H5_ITER_INC, &ltable) < 0)
HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, FAIL, "can't create link message table")
/* Check for going out of bounds */
@@ -494,12 +504,12 @@ H5G_link_get_type_by_idx(H5O_loc_t *oloc, hid_t dxpl_id, const H5O_linfo_t *linf
HDassert(oloc);
/* Build table of all link messages */
- if(H5G_link_build_table(oloc, dxpl_id, linfo, H5_ITER_INC, &ltable) < 0)
+ if(H5G_link_build_table(oloc, dxpl_id, linfo, H5L_INDEX_NAME, H5_ITER_INC, &ltable) < 0)
HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, H5G_UNKNOWN, "can't create link message table")
/* Check for going out of bounds */
if(idx >= ltable.nlinks)
- HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5G_UNKNOWN, "index out of bound")
+ HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, H5G_UNKNOWN, "index out of bound")
/* Determine type of object */
if(ltable.lnks[idx].type == H5L_TYPE_SOFT)
@@ -664,7 +674,7 @@ H5G_link_iterate(H5O_loc_t *oloc, hid_t dxpl_id, const H5O_linfo_t *linfo,
HDassert(op.lib_op);
/* Build table of all link messages */
- if(H5G_link_build_table(oloc, dxpl_id, linfo, order, &ltable) < 0)
+ if(H5G_link_build_table(oloc, dxpl_id, linfo, H5L_INDEX_NAME, order, &ltable) < 0)
HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, FAIL, "can't create link message table")
/* Iterate over link messages */
@@ -731,7 +741,7 @@ H5G_link_lookup_cb(const void *_mesg, unsigned UNUSED idx, void *_udata)
if(HDstrcmp(lnk->name, udata->name) == 0) {
if(udata->lnk) {
/* Copy link information */
- if(H5O_copy(H5O_LINK_ID, lnk, udata->lnk) == NULL)
+ if(NULL == H5O_copy(H5O_LINK_ID, lnk, udata->lnk))
HGOTO_ERROR(H5E_SYM, H5E_CANTCOPY, H5O_ITER_ERROR, "can't copy link message")
} /* end if */
@@ -790,3 +800,59 @@ done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5G_link_lookup() */
+
+/*-------------------------------------------------------------------------
+ * Function: H5G_link_lookup_by_corder
+ *
+ * Purpose: Look up an object in a group using link messages, according
+ * the link's creation order.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@hdfgroup.org
+ * Nov 6 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5G_link_lookup_by_corder(H5O_loc_t *oloc, hid_t dxpl_id, const H5O_linfo_t *linfo,
+ H5_iter_order_t order, hsize_t n, H5O_link_t *lnk)
+{
+ H5G_link_table_t ltable = {0, NULL}; /* Link table */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI(H5G_link_lookup_by_corder, FAIL)
+
+ /* check arguments */
+ HDassert(oloc && oloc->file);
+ HDassert(linfo);
+ HDassert(lnk);
+
+ /* Build table of all link messages, sorted according to desired order */
+ if(H5G_link_build_table(oloc, dxpl_id, linfo, H5L_INDEX_CORDER, order, &ltable) < 0)
+ HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, FAIL, "can't create link message table")
+
+ /* Check for going out of bounds */
+ if(n >= ltable.nlinks)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, FAIL, "index out of bound")
+
+ /* Copy link information */
+#ifdef QAK
+HDfprintf(stderr, "%s: ltable.lnks[%Hu].corder = %Hd\n", FUNC, n, ltable.lnks[n].corder);
+HDfprintf(stderr, "%s: ltable.lnks[%Hu].corder_valid = %t\n", FUNC, n, ltable.lnks[n].corder_valid);
+#endif /* QAK */
+ if(NULL == H5O_copy(H5O_LINK_ID, &ltable.lnks[n], lnk))
+ HGOTO_ERROR(H5E_SYM, H5E_CANTCOPY, H5O_ITER_ERROR, "can't copy link message")
+
+done:
+ /* Release link table */
+ if(ltable.lnks) {
+ /* Free link table information */
+ if(H5G_obj_release_table(&ltable) < 0)
+ HDONE_ERROR(H5E_SYM, H5E_CANTFREE, FAIL, "unable to release link table")
+ } /* end if */
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5G_link_lookup_by_corder() */
+
diff --git a/src/H5Gobj.c b/src/H5Gobj.c
index 0762b87..633ac5c 100644
--- a/src/H5Gobj.c
+++ b/src/H5Gobj.c
@@ -163,6 +163,76 @@ H5G_obj_cmp_name_dec(const void *lnk1, const void *lnk2)
/*-------------------------------------------------------------------------
+ * Function: H5G_obj_cmp_corder_inc
+ *
+ * Purpose: Callback routine for comparing two link creation orders, in
+ * increasing order
+ *
+ * Return: An integer less than, equal to, or greater than zero if the
+ * first argument is considered to be respectively less than,
+ * equal to, or greater than the second. If two members compare
+ * as equal, their order in the sorted array is undefined.
+ *
+ * Programmer: Quincey Koziol
+ * koziol@hdfgroup.org
+ * Nov 6 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+int
+H5G_obj_cmp_corder_inc(const void *lnk1, const void *lnk2)
+{
+ int ret_value; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5G_obj_cmp_corder_inc)
+
+ if(((const H5O_link_t *)lnk1)->corder < ((const H5O_link_t *)lnk2)->corder)
+ ret_value = -1;
+ else if(((const H5O_link_t *)lnk1)->corder > ((const H5O_link_t *)lnk2)->corder)
+ ret_value = 1;
+ else
+ ret_value = 0;
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5G_obj_cmp_corder_inc() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5G_obj_cmp_corder_dec
+ *
+ * Purpose: Callback routine for comparing two link creation orders, in
+ * decreasing order
+ *
+ * Return: An integer less than, equal to, or greater than zero if the
+ * second argument is considered to be respectively less than,
+ * equal to, or greater than the first. If two members compare
+ * as equal, their order in the sorted array is undefined.
+ *
+ * Programmer: Quincey Koziol
+ * koziol@hdfgroup.org
+ * Nov 6 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+int
+H5G_obj_cmp_corder_dec(const void *lnk1, const void *lnk2)
+{
+ int ret_value; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5G_obj_cmp_corder_dec)
+
+ if(((const H5O_link_t *)lnk1)->corder < ((const H5O_link_t *)lnk2)->corder)
+ ret_value = 1;
+ else if(((const H5O_link_t *)lnk1)->corder > ((const H5O_link_t *)lnk2)->corder)
+ ret_value = -1;
+ else
+ ret_value = 0;
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5G_obj_cmp_corder_dec() */
+
+
+/*-------------------------------------------------------------------------
* Function: H5G_obj_release_table
*
* Purpose: Release table containing a list of links for a group
@@ -1022,7 +1092,7 @@ done:
/*-------------------------------------------------------------------------
* Function: H5G_obj_lookup
*
- * Purpose: Look up a link in a group.
+ * Purpose: Look up a link in a group, using the name as the key.
*
* Return: Non-negative on success/Negative on failure
*
@@ -1072,3 +1142,90 @@ done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5G_obj_lookup() */
+
+/*-------------------------------------------------------------------------
+ * Function: H5G_obj_lookup_by_idx
+ *
+ * Purpose: Look up a link in a group, according to an order within an
+ * index.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@hdfgroup.org
+ * Nov 6 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5G_obj_lookup_by_idx(H5O_loc_t *grp_oloc, H5L_index_t idx_type,
+ H5_iter_order_t order, hsize_t n, H5O_link_t *lnk, hid_t dxpl_id)
+{
+ H5O_linfo_t linfo; /* Link info message */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI(H5G_obj_lookup_by_idx, FAIL)
+
+ /* check arguments */
+ HDassert(grp_oloc && grp_oloc->file);
+
+ /* Attempt to get the link info message for this group */
+ if(H5O_read(grp_oloc, H5O_LINFO_ID, 0, &linfo, dxpl_id)) {
+ /* Check for query on the name */
+ if(idx_type == H5L_INDEX_NAME) {
+ /* Check for dense link storage */
+ if(H5F_addr_defined(linfo.link_fheap_addr)) {
+ /* Get the object's info from the dense link storage */
+ if(H5G_dense_lookup(grp_oloc->file, dxpl_id, &linfo, "", lnk) < 0)
+ HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "can't locate object")
+ } /* end if */
+ else {
+ /* Get the object's info from the link messages */
+ if(H5G_link_lookup(grp_oloc, "", lnk, dxpl_id) < 0)
+ HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "can't locate object")
+ } /* end else */
+ } /* end if */
+ else {
+ H5O_ginfo_t ginfo; /* Group info message */
+
+ /* Get group info message, to see if creation order is stored for links in this group */
+ if(NULL == H5O_read(grp_oloc, H5O_GINFO_ID, 0, &ginfo, dxpl_id))
+ HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "can't retrieve group info message for group")
+
+ /* Check if creation order is tracked */
+ if(!ginfo.track_corder)
+ HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "creation order not tracked for links in group")
+
+ /* Check for dense link storage */
+ if(H5F_addr_defined(linfo.link_fheap_addr)) {
+HDfprintf(stderr, "%s: creation order query on dense storage not implemented yet!\n", FUNC);
+HGOTO_ERROR(H5E_SYM, H5E_UNSUPPORTED, FAIL, "creation order query on dense storage not implemented yet")
+ } /* end if */
+ else {
+ /* Get the object's info from the link messages */
+ if(H5G_link_lookup_by_corder(grp_oloc, dxpl_id, &linfo, order, n, lnk) < 0)
+ HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "can't locate object")
+ } /* end else */
+ } /* end else */
+ } /* end if */
+ else {
+ /* Clear error stack from not finding the link info message */
+ H5E_clear_stack(NULL);
+
+ /* Can only perform name lookups on groups with symbol tables */
+ if(idx_type != H5L_INDEX_NAME)
+ HGOTO_ERROR(H5E_SYM, H5E_BADVALUE, FAIL, "no creation order index to query")
+if(order == H5_ITER_DEC) {
+ HDfprintf(stderr, "%s: decreasing order query on symbol table not implemented yet!\n", FUNC);
+ HGOTO_ERROR(H5E_SYM, H5E_UNSUPPORTED, FAIL, "decreasing order query on symbol table not implemented yet")
+} /* end if */
+
+ /* Get the object's info from the symbol table */
+ if(H5G_stab_lookup(grp_oloc, "", lnk, dxpl_id) < 0)
+ HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "can't locate object")
+ } /* end else */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5G_obj_lookup_by_idx() */
+
diff --git a/src/H5Gpkg.h b/src/H5Gpkg.h
index db4d8c1..9c1928b 100644
--- a/src/H5Gpkg.h
+++ b/src/H5Gpkg.h
@@ -429,6 +429,9 @@ H5_DLL herr_t H5G_link_iterate(H5O_loc_t *oloc, hid_t dxpl_id, const H5O_linfo_t
int *last_obj, H5G_link_iterate_t op, void *op_data);
H5_DLL herr_t H5G_link_lookup(H5O_loc_t *grp_oloc, const char *name,
H5O_link_t *lnk, hid_t dxpl_id);
+H5_DLL herr_t H5G_link_lookup_by_corder(H5O_loc_t *oloc, hid_t dxpl_id,
+ const H5O_linfo_t *linfo, H5_iter_order_t order, hsize_t n,
+ H5O_link_t *lnk);
/* Functions that understand "dense" link storage */
H5_DLL herr_t H5G_dense_build_table(H5F_t *f, hid_t dxpl_id, const H5O_linfo_t *linfo,
@@ -453,26 +456,28 @@ H5_DLL herr_t H5G_dense_delete(H5F_t *f, hid_t dxpl_id, H5O_linfo_t *linfo,
/* Functions that understand objects */
H5_DLL int H5G_obj_cmp_name_inc(const void *lnk1, const void *lnk2);
H5_DLL int H5G_obj_cmp_name_dec(const void *lnk1, const void *lnk2);
+H5_DLL int H5G_obj_cmp_corder_inc(const void *lnk1, const void *lnk2);
+H5_DLL int H5G_obj_cmp_corder_dec(const void *lnk1, const void *lnk2);
H5_DLL herr_t H5G_obj_release_table(H5G_link_table_t *ltable);
H5_DLL herr_t H5G_obj_create(H5F_t *f, hid_t dxpl_id, const H5O_ginfo_t *ginfo,
const H5O_linfo_t *linfo, H5O_loc_t *oloc/*out*/);
H5_DLL herr_t H5G_obj_insert(H5O_loc_t *grp_oloc, const char *name,
H5O_link_t *obj_lnk, hbool_t adj_link, hid_t dxpl_id);
-H5_DLL herr_t H5G_obj_lookup(H5O_loc_t *grp_oloc, const char *name,
- H5O_link_t *lnk, hid_t dxpl_id);
H5_DLL herr_t H5G_obj_iterate(hid_t loc_id, const char *name,
H5_iter_order_t order, int skip, int *last_obj, H5G_iterate_t op,
void *op_data, hid_t dxpl_id);
-H5_DLL herr_t H5G_obj_count(struct H5O_loc_t *oloc, hsize_t *num_objs, hid_t dxpl_id);
+H5_DLL herr_t H5G_obj_count(struct H5O_loc_t *oloc, hsize_t *num_objs,
+ hid_t dxpl_id);
H5_DLL ssize_t H5G_obj_get_name_by_idx(H5O_loc_t *oloc, hsize_t idx,
char* name, size_t size, hid_t dxpl_id);
H5_DLL H5G_obj_t H5G_obj_get_type_by_idx(H5O_loc_t *oloc, hsize_t idx,
hid_t dxpl_id);
H5_DLL herr_t H5G_obj_remove(H5O_loc_t *oloc, const char *name,
H5G_obj_t *obj_type, hid_t dxpl_id);
-H5_DLL herr_t H5G_obj_find(H5G_loc_t *loc, const char *name,
- unsigned traverse_flags, H5O_link_t *lnk, H5O_loc_t *obj_oloc,
- hid_t lapl_id, hid_t dxpl_id);
+H5_DLL herr_t H5G_obj_lookup(H5O_loc_t *grp_oloc, const char *name,
+ H5O_link_t *lnk, hid_t dxpl_id);
+H5_DLL herr_t H5G_obj_lookup_by_idx(H5O_loc_t *grp_oloc, H5L_index_t idx_type,
+ H5_iter_order_t order, hsize_t n, H5O_link_t *lnk, hid_t dxpl_id);
/*
* These functions operate on group hierarchy names.
diff --git a/src/H5Gprivate.h b/src/H5Gprivate.h
index 6ca2b68..23cc895 100644
--- a/src/H5Gprivate.h
+++ b/src/H5Gprivate.h
@@ -193,5 +193,5 @@ H5_DLL herr_t H5G_loc_find(H5G_loc_t *loc, const char *name,
H5_DLL herr_t H5G_loc_reset(H5G_loc_t *loc);
H5_DLL herr_t H5G_loc_free(H5G_loc_t *loc);
-#endif
+#endif /* _H5Gprivate_H */
diff --git a/src/H5Gpublic.h b/src/H5Gpublic.h
index 4f0117a..8048aee 100644
--- a/src/H5Gpublic.h
+++ b/src/H5Gpublic.h
@@ -92,17 +92,6 @@ typedef struct H5G_stat_t {
/* Prototype for H5Giterate() operator */
typedef herr_t (*H5G_iterate_t)(hid_t group, const char *name, void *op_data);
-/*
- * The types of indices on links in groups. Primarily used for "<do> <foo> by
- * index" routines and for iterating over links in groups.
- */
-typedef enum H5G_index_t {
- H5G_INDEX_UNKNOWN = -1, /* Unknown index type */
- H5G_INDEX_NAME, /* Index on names of links */
- H5G_INDEX_CORDER, /* Index on creation order of links */
- H5G_INDEX_N /* Number of indices defined on links in groups */
-} H5G_index_t;
-
/********************/
/* Public Variables */
/********************/
diff --git a/src/H5Gtraverse.c b/src/H5Gtraverse.c
index c1f8440..4c92bc4 100644
--- a/src/H5Gtraverse.c
+++ b/src/H5Gtraverse.c
@@ -146,8 +146,9 @@ done:
*
*-------------------------------------------------------------------------
*/
-static herr_t H5G_traverse_ud(H5G_loc_t *grp_loc/*in,out*/, H5O_link_t *lnk,
- H5G_loc_t *obj_loc/*in,out*/, size_t *nlinks/*in,out*/, hid_t lapl_id,
+static herr_t
+H5G_traverse_ud(H5G_loc_t *grp_loc/*in,out*/, H5O_link_t *lnk,
+ H5G_loc_t *obj_loc/*in,out*/, size_t *nlinks/*in,out*/, hid_t _lapl_id,
hid_t dxpl_id)
{
const H5L_class_t *link_class; /* User-defined link class */
@@ -158,7 +159,7 @@ static herr_t H5G_traverse_ud(H5G_loc_t *grp_loc/*in,out*/, H5O_link_t *lnk,
H5O_loc_t *new_oloc=NULL;
H5F_t *temp_file=NULL;
H5G_t *grp;
- H5P_genplist_t *lapl_default;
+ hid_t lapl_id = (-1); /* LAPL local to this routine */
H5P_genplist_t *lapl; /* LAPL with nlinks set */
hid_t cur_grp = (-1);
herr_t ret_value = SUCCEED; /* Return value */
@@ -171,6 +172,7 @@ static herr_t H5G_traverse_ud(H5G_loc_t *grp_loc/*in,out*/, H5O_link_t *lnk,
HDassert(lnk->type >= H5L_TYPE_UD_MIN);
HDassert(obj_loc);
HDassert(nlinks);
+ HDassert(_lapl_id >= 0);
/* Reset the object's path information, because we can't detect any changes
* in the "path" the user-defined callback takes */
@@ -196,17 +198,22 @@ static herr_t H5G_traverse_ud(H5G_loc_t *grp_loc/*in,out*/, H5O_link_t *lnk,
/* Record number of soft links left to traverse in the property list.
* If no property list exists yet, create one. */
- if(lapl_id == H5P_DEFAULT) {
+ if(_lapl_id == H5P_DEFAULT || _lapl_id == H5P_LINK_ACCESS_DEFAULT) {
HDassert(H5P_LINK_ACCESS_DEFAULT != -1);
- if(NULL == (lapl_default = H5I_object(H5P_LINK_ACCESS_DEFAULT)))
+ if(NULL == (lapl = H5I_object(H5P_LINK_ACCESS_DEFAULT)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "unable to get default property list")
- if((lapl_id = H5P_copy_plist(lapl_default)) < 0)
+ if((lapl_id = H5P_copy_plist(lapl)) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_BADVALUE, FAIL, "unable to copy property list")
} /* end if */
+ else {
+ /* Use the property list passed in */
+ lapl_id = _lapl_id;
+
+ if(NULL == (lapl = H5I_object(lapl_id)))
+ HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "unable to get property list from ID")
+ } /* end else */
- if(NULL == (lapl = H5I_object(lapl_id)))
- HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "unable to get property list from ID")
if(H5P_set(lapl, H5L_ACS_NLINKS_NAME, nlinks) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set nlink info")
@@ -268,6 +275,11 @@ done:
if(H5I_dec_ref(cb_return) < 0)
HDONE_ERROR(H5E_ATOM, H5E_CANTRELEASE, FAIL, "unable to close atom from UD callback")
+ /* Close the LAPL, if we copied the default one */
+ if(lapl_id > 0 && lapl_id != _lapl_id)
+ if(H5I_dec_ref(lapl_id) < 0)
+ HDONE_ERROR(H5E_ATOM, H5E_CANTRELEASE, FAIL, "unable to close copied link access property list")
+
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5G_traverse_ud() */
diff --git a/src/H5L.c b/src/H5L.c
index f3dcd5b..793d570 100644
--- a/src/H5L.c
+++ b/src/H5L.c
@@ -48,54 +48,67 @@
/* Local Typedefs */
/******************/
-/* User data for path traversal routine for getting link metadata */
+/* User data for path traversal routine for getting link info by name */
typedef struct {
- H5L_info_t *linfo; /* Buffer to return to user */
- hid_t dxpl_id; /* dxpl to use in callback */
+ H5L_info_t *linfo; /* Buffer to return to user */
+ hid_t dxpl_id; /* dxpl to use in callback */
} H5L_trav_ud1_t;
/* User data for path traversal callback to creating a link */
typedef struct {
- H5F_t *file; /* Pointer to the file */
- hid_t dxpl_id; /* Dataset transfer property list */
- hid_t lcpl_id; /* Link creation property list */
- H5G_name_t *path; /* Path to object being linked */
- H5O_link_t *lnk; /* Pointer to link information to insert */
+ H5F_t *file; /* Pointer to the file */
+ hid_t dxpl_id; /* Dataset transfer property list */
+ hid_t lcpl_id; /* Link creation property list */
+ H5G_name_t *path; /* Path to object being linked */
+ H5O_link_t *lnk; /* Pointer to link information to insert */
} H5L_trav_ud2_t;
/* User data for path traversal routine for moving and renaming a link */
typedef struct {
- const char *dst_name; /* Destination name for moving object */
- H5T_cset_t cset; /* Char set for new name */
- H5G_loc_t *dst_loc; /* Destination location for moving object */
- hbool_t copy; /* TRUE if this is a copy operation */
- hid_t lapl_id; /* lapl to use in callback */
- hid_t dxpl_id; /* dxpl to use in callback */
+ const char *dst_name; /* Destination name for moving object */
+ H5T_cset_t cset; /* Char set for new name */
+ H5G_loc_t *dst_loc; /* Destination location for moving object */
+ hbool_t copy; /* TRUE if this is a copy operation */
+ hid_t lapl_id; /* lapl to use in callback */
+ hid_t dxpl_id; /* dxpl to use in callback */
} H5L_trav_ud3_t;
/* User data for path traversal routine for getting soft link value */
typedef struct {
- size_t size; /* Size of user buffer */
- void *buf; /* User buffer */
+ size_t size; /* Size of user buffer */
+ void *buf; /* User buffer */
} H5L_trav_ud4_t;
/* User data for path traversal routine for removing link (i.e. unlink) */
typedef struct {
- hid_t dxpl_id; /* Dataset transfer property list */
+ hid_t dxpl_id; /* Dataset transfer property list */
} H5L_trav_ud5_t;
/* User data for path traversal routine for moving and renaming an object */
typedef struct {
- H5F_t *file; /* Pointer to the file */
- H5O_link_t *lnk; /* Pointer to link information to insert */
- hbool_t copy; /* TRUE if this is a copy operation */
- hid_t dxpl_id; /* Dataset transfer property list */
+ H5F_t *file; /* Pointer to the file */
+ H5O_link_t *lnk; /* Pointer to link information to insert */
+ hbool_t copy; /* TRUE if this is a copy operation */
+ hid_t dxpl_id; /* Dataset transfer property list */
} H5L_trav_ud6_t;
+/* User data for path traversal routine for getting link info by index */
+typedef struct {
+ /* In */
+ H5L_index_t idx_type; /* Index to use */
+ H5_iter_order_t order; /* Order to iterate in index */
+ hsize_t n; /* Offset of link within index */
+ hid_t dxpl_id; /* dxpl to use in callback */
+
+ /* Out */
+ H5L_info_t *linfo; /* Buffer to return to user */
+} H5L_trav_ud7_t;
+
/********************/
/* Local Prototypes */
/********************/
+static int H5L_find_class_idx(H5L_type_t id);
static herr_t H5L_link_cb(H5G_loc_t *grp_loc/*in*/, const char *name,
const H5O_link_t *lnk, H5G_loc_t *obj_loc, void *_udata/*in,out*/,
H5G_own_loc_t *own_loc/*out*/);
@@ -117,7 +130,12 @@ static herr_t H5L_move_dest_cb(H5G_loc_t *grp_loc/*in*/,
static herr_t H5L_get_info_cb(H5G_loc_t UNUSED *grp_loc/*in*/, const char UNUSED *name,
const H5O_link_t *lnk, H5G_loc_t UNUSED *obj_loc, void *_udata/*in,out*/,
H5G_own_loc_t *own_loc/*out*/);
-static int H5L_find_class_idx(H5L_type_t id);
+static herr_t H5L_get_info_by_idx_cb(H5G_loc_t UNUSED *grp_loc/*in*/, const char UNUSED *name,
+ const H5O_link_t *lnk, H5G_loc_t UNUSED *obj_loc, void *_udata/*in,out*/,
+ H5G_own_loc_t *own_loc/*out*/);
+static herr_t H5L_get_info_by_idx(const H5G_loc_t *loc, const char *group_name,
+ H5L_index_t idx_type, H5_iter_order_t order, hsize_t n,
+ H5L_info_t *linkbuf/*out*/, hid_t lapl_id, hid_t dxpl_id);
/*********************/
/* Package Variables */
@@ -669,6 +687,11 @@ H5Lget_info(hid_t loc_id, const char *name, H5L_info_t *linkbuf /*out*/,
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location")
if(!name || !*name)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name specified")
+ if(H5P_DEFAULT == lapl_id)
+ lapl_id = H5P_LINK_ACCESS_DEFAULT;
+ else
+ if(TRUE != H5P_isa_class(lapl_id, H5P_LINK_ACCESS))
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not link access property list ID")
/* Get the creation time */
if(H5L_get_info(&loc, name, linkbuf, lapl_id, H5AC_ind_dxpl_id) < 0)
@@ -680,6 +703,54 @@ done:
/*-------------------------------------------------------------------------
+ * Function: H5Lget_info_by_idx
+ *
+ * Purpose: Gets metadata for a link, according to the order within an
+ * index.
+ *
+ * Return: Success: Non-negative with information in LINKBUF
+ * Failure: Negative
+ *
+ * Programmer: Quincey Koziol
+ * Monday, November 6, 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5Lget_info_by_idx(hid_t loc_id, const char *group_name,
+ H5L_index_t idx_type, H5_iter_order_t order, hsize_t n,
+ H5L_info_t *linkbuf /*out*/, hid_t lapl_id)
+{
+ H5G_loc_t loc;
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_API(H5Lget_info_by_idx, FAIL)
+
+ /* Check arguments */
+ if(H5G_loc(loc_id, &loc))
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location")
+ if(!group_name || !*group_name)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name specified")
+ if(idx_type <= H5L_INDEX_UNKNOWN || idx_type >= H5L_INDEX_N)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid index type specified")
+ if(order <= H5_ITER_UNKNOWN || order >= H5_ITER_N)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid iteration order specified")
+ if(H5P_DEFAULT == lapl_id)
+ lapl_id = H5P_LINK_ACCESS_DEFAULT;
+ else
+ if(TRUE != H5P_isa_class(lapl_id, H5P_LINK_ACCESS))
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not link access property list ID")
+
+ /* Get the creation time */
+ if(H5L_get_info_by_idx(&loc, group_name, idx_type, order, n, linkbuf, lapl_id, H5AC_ind_dxpl_id) < 0)
+ HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "unable to get link info")
+
+done:
+ FUNC_LEAVE_API(ret_value)
+} /* end H5Gget_info_by_idx() */
+
+
+/*-------------------------------------------------------------------------
* Function: H5Lregister
*
* Purpose: Registers a class of user-defined links, or changes the
@@ -716,9 +787,9 @@ H5Lregister(const H5L_class_t *cls)
if(cls->version != H5L_LINK_CLASS_T_VERS)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid H5L_class_t version number")
- if (cls->id < H5L_TYPE_UD_MIN || cls->id > H5L_TYPE_MAX)
+ if(cls->id < H5L_TYPE_UD_MIN || cls->id > H5L_TYPE_MAX)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid link identification number")
- if (cls->trav_func == NULL)
+ if(cls->trav_func == NULL)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no traversal function specified")
/* Do it */
@@ -748,7 +819,7 @@ done:
herr_t
H5Lunregister(H5L_type_t id)
{
- herr_t ret_value=SUCCEED; /* Return value */
+ herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_API(H5Lunregister, FAIL)
H5TRACE1("e","Ll",id);
@@ -785,18 +856,18 @@ htri_t
H5Lis_registered(H5L_type_t id)
{
size_t i; /* Local index variable */
- htri_t ret_value=FALSE; /* Return value */
+ htri_t ret_value = FALSE; /* Return value */
FUNC_ENTER_API(H5Lis_registered, FAIL)
/* Check args */
- if(id<0 || id>H5L_TYPE_MAX)
+ if(id < 0 || id > H5L_TYPE_MAX)
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid link type id number")
/* Is the link class already registered? */
- for(i=0; i<H5L_table_used_g; i++)
- if(H5L_table_g[i].id==id) {
- ret_value=TRUE;
+ for(i = 0; i < H5L_table_used_g; i++)
+ if(H5L_table_g[i].id == id) {
+ ret_value = TRUE;
break;
} /* end if */
@@ -832,12 +903,12 @@ static int
H5L_find_class_idx(H5L_type_t id)
{
size_t i; /* Local index variable */
- int ret_value=FAIL; /* Return value */
+ int ret_value = FAIL; /* Return value */
FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5L_find_class_idx)
- for (i=0; i<H5L_table_used_g; i++)
- if (H5L_table_g[i].id == id)
+ for(i = 0; i < H5L_table_used_g; i++)
+ if(H5L_table_g[i].id == id)
HGOTO_DONE((int)i)
done:
@@ -863,16 +934,16 @@ const H5L_class_t *
H5L_find_class(H5L_type_t id)
{
int idx; /* Filter index in global table */
- H5L_class_t *ret_value=NULL; /* Return value */
+ H5L_class_t *ret_value = NULL; /* Return value */
FUNC_ENTER_NOAPI(H5L_find_class, NULL)
/* Get the index in the global table */
- if((idx=H5L_find_class_idx(id))<0)
+ if((idx = H5L_find_class_idx(id)) < 0)
HGOTO_ERROR(H5E_LINK, H5E_NOTREGISTERED, NULL, "unable to find link class")
/* Set return value */
- ret_value=H5L_table_g+idx;
+ ret_value = H5L_table_g+idx;
done:
FUNC_LEAVE_NOAPI(ret_value)
@@ -951,25 +1022,25 @@ done:
herr_t
H5L_unregister(H5L_type_t id)
{
- size_t i; /* Local index variable */
- herr_t ret_value=SUCCEED; /* Return value */
+ size_t i; /* Local index variable */
+ herr_t ret_value = SUCCEED; /* Return value */
- FUNC_ENTER_NOAPI(H5L_unregister,FAIL)
+ FUNC_ENTER_NOAPI(H5L_unregister, FAIL)
- assert (id>=0 && id<=H5L_TYPE_MAX);
+ HDassert(id >= 0 && id <= H5L_TYPE_MAX);
/* Is the filter already registered? */
- for (i=0; i<H5L_table_used_g; i++)
- if (H5L_table_g[i].id==id)
+ for(i = 0; i < H5L_table_used_g; i++)
+ if(H5L_table_g[i].id == id)
break;
/* Fail if filter not found */
- if (i>=H5L_table_used_g)
+ if(i >= H5L_table_used_g)
HGOTO_ERROR(H5E_LINK, H5E_NOTREGISTERED, FAIL, "link class is not registered")
/* Remove filter from table */
/* Don't worry about shrinking table size (for now) */
- HDmemmove(&H5L_table_g[i],&H5L_table_g[i+1],sizeof(H5L_class_t)*((H5L_table_used_g-1)-i));
+ HDmemmove(&H5L_table_g[i], &H5L_table_g[i + 1], sizeof(H5L_class_t) * ((H5L_table_used_g - 1) - i));
H5L_table_used_g--;
done:
@@ -1014,7 +1085,7 @@ H5L_link(H5G_loc_t *new_loc, const char *new_name, H5G_loc_t *obj_loc,
lnk.u.hard.addr = obj_loc->oloc->addr;
/* Create the link */
- if( H5L_create_real(new_loc, new_name, obj_loc->path, obj_loc->oloc->file, &lnk, lcpl_id, lapl_id, dxpl_id) <0)
+ if(H5L_create_real(new_loc, new_name, obj_loc->path, obj_loc->oloc->file, &lnk, lcpl_id, lapl_id, dxpl_id) < 0)
HGOTO_ERROR(H5E_LINK, H5E_CANTINIT, FAIL, "unable to create new link to object")
done:
@@ -1113,12 +1184,12 @@ done:
/* Close the location given to the user callback if it was created */
if(grp_id >= 0)
{
- if(H5I_dec_ref(grp_id) <0)
+ if(H5I_dec_ref(grp_id) < 0)
HDONE_ERROR(H5E_ATOM, H5E_CANTRELEASE, FAIL, "unable to close atom from UD callback")
}
else if(grp != NULL)
{
- if(H5G_close(grp) <0)
+ if(H5G_close(grp) < 0)
HDONE_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "unable to close group given to UD callback")
}
else if(temp_loc_init)
@@ -1288,16 +1359,14 @@ H5L_create_hard(H5G_loc_t *cur_loc, const char *cur_name,
/* Create actual link to the object. Pass in NULL for the path, since this
* function shouldn't change an object's user path. */
- if(H5L_create_real(link_loc, link_name, NULL, link_file, &lnk, lcpl_id,
- lapl_id, dxpl_id) < 0)
+ if(H5L_create_real(link_loc, link_name, NULL, link_file, &lnk, lcpl_id, lapl_id, dxpl_id) < 0)
HGOTO_ERROR(H5E_LINK, H5E_CANTINIT, FAIL, "unable to create new link to object")
done:
/* Free the object header location */
- if(loc_valid) {
+ if(loc_valid)
if(H5G_loc_free(&obj_loc) < 0)
HDONE_ERROR(H5E_SYM, H5E_CANTRELEASE, FAIL, "unable to free location")
- }
/* Free the normalized path name */
if(norm_cur_name)
@@ -1343,8 +1412,7 @@ H5L_create_soft(const char *target_path, H5G_loc_t *link_loc,
lnk.u.soft.name = norm_target;
/* Create actual link to the object */
- if(H5L_create_real(link_loc, link_name, NULL, NULL, &lnk, lcpl_id,
- lapl_id, dxpl_id) < 0)
+ if(H5L_create_real(link_loc, link_name, NULL, NULL, &lnk, lcpl_id, lapl_id, dxpl_id) < 0)
HGOTO_ERROR(H5E_LINK, H5E_CANTINIT, FAIL, "unable to create new link to object")
done:
@@ -1405,8 +1473,7 @@ H5L_create_ud(H5G_loc_t *link_loc, const char *link_name, const void * ud_data,
lnk.type = type;
/* Create actual link to the object */
- if(H5L_create_real(link_loc, link_name, NULL, NULL, &lnk, lcpl_id,
- lapl_id, dxpl_id) < 0)
+ if(H5L_create_real(link_loc, link_name, NULL, NULL, &lnk, lcpl_id, lapl_id, dxpl_id) < 0)
HGOTO_ERROR(H5E_LINK, H5E_CANTINIT, FAIL, "unable to register new name for object")
done:
@@ -1736,25 +1803,25 @@ H5L_move_dest_cb(H5G_loc_t *grp_loc/*in*/, const char *name,
{
if((link_class->copy_func)(udata->lnk->name, grp_id, udata->lnk->u.ud.udata, udata->lnk->u.ud.size) < 0)
HGOTO_ERROR(H5E_LINK, H5E_CALLBACK, FAIL, "UD copy callback returned error")
- }
+ } /* end if */
else
{
if((link_class->move_func)(udata->lnk->name, grp_id, udata->lnk->u.ud.udata, udata->lnk->u.ud.size) < 0)
HGOTO_ERROR(H5E_LINK, H5E_CALLBACK, FAIL, "UD move callback returned error")
- }
- }
- }
+ } /* end else */
+ } /* end if */
+ } /* end if */
done:
/* Close the location given to the user callback if it was created */
if(grp_id >= 0)
{
- if(H5I_dec_ref(grp_id) <0)
+ if(H5I_dec_ref(grp_id) < 0)
HDONE_ERROR(H5E_ATOM, H5E_CANTRELEASE, FAIL, "unable to close atom from UD callback")
}
else if(grp != NULL)
{
- if(H5G_close(grp) <0)
+ if(H5G_close(grp) < 0)
HDONE_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "unable to close group given to UD callback")
}
else if(temp_loc_init)
@@ -1809,7 +1876,7 @@ H5L_move_cb(H5G_loc_t *grp_loc/*in*/, const char *name, const H5O_link_t *lnk,
/* Get object type */
switch(lnk->type) {
case H5L_TYPE_HARD:
- if(H5G_UNKNOWN == (type = H5O_obj_type(obj_loc->oloc, udata->dxpl_id)))
+ if(H5G_UNKNOWN == (type = H5O_obj_type(obj_loc->oloc, udata->dxpl_id)))
HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "unable to get object type to move")
break;
@@ -1826,6 +1893,7 @@ H5L_move_cb(H5G_loc_t *grp_loc/*in*/, const char *name, const H5O_link_t *lnk,
/* Set up user data for move_dest_cb */
if((udata_out.lnk = H5O_copy(H5O_LINK_ID, lnk, NULL)) == NULL)
HGOTO_ERROR(H5E_LINK, H5E_CANTCOPY, FAIL, "unable to copy link to be moved")
+
/* In this special case, the link's name is going to be replaced at its
* destination, so we should free it here.
*/
@@ -1857,10 +1925,10 @@ H5L_move_cb(H5G_loc_t *grp_loc/*in*/, const char *name, const H5O_link_t *lnk,
if(H5G_obj_remove(grp_loc->oloc, orig_name, &type, udata->dxpl_id) < 0)
HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "unable to remove old name")
H5RS_decr(dst_name_r);
- }
+ } /* end if */
done:
- /* Cleanup */
+ /* Cleanup */
if(orig_name)
H5MM_xfree(orig_name);
@@ -1875,7 +1943,7 @@ done:
else if(udata_out.lnk->type >= H5L_TYPE_UD_MIN && udata_out.lnk->u.ud.size > 0)
udata_out.lnk->u.ud.udata = H5MM_xfree(udata_out.lnk->u.ud.udata);
H5MM_xfree(udata_out.lnk);
- }
+ } /* end if */
/* Indicate that this callback didn't take ownership of the group *
* location for the object */
@@ -1988,14 +2056,13 @@ done:
*-------------------------------------------------------------------------
*/
static herr_t
-H5L_get_info_cb(H5G_loc_t UNUSED *grp_loc/*in*/, const char UNUSED *name, const H5O_link_t *lnk,
- H5G_loc_t UNUSED *obj_loc, void *_udata/*in,out*/, H5G_own_loc_t *own_loc/*out*/)
+H5L_get_info_cb(H5G_loc_t UNUSED *grp_loc/*in*/, const char UNUSED *name,
+ const H5O_link_t *lnk, H5G_loc_t UNUSED *obj_loc, void *_udata/*in,out*/,
+ H5G_own_loc_t *own_loc/*out*/)
{
H5L_trav_ud1_t *udata = (H5L_trav_ud1_t *)_udata; /* User data passed in */
H5L_info_t *linfo = udata->linfo;
- const H5L_class_t *link_class; /* User-defined link class */
- ssize_t cb_ret; /* Return value from UD callback */
- herr_t ret_value = SUCCEED; /* Return value */
+ herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_NOINIT(H5L_get_info_cb)
@@ -2013,34 +2080,39 @@ H5L_get_info_cb(H5G_loc_t UNUSED *grp_loc/*in*/, const char UNUSED *name, const
switch(lnk->type)
{
- case H5L_TYPE_HARD:
- linfo->u.address = lnk->u.hard.addr;
- break;
-
- case H5L_TYPE_SOFT:
- linfo->u.link_size = HDstrlen(lnk->u.soft.name) + 1; /*count the null terminator*/
- break;
-
- default:
- if(lnk->type < H5L_TYPE_UD_MIN || lnk->type > H5L_TYPE_MAX)
- HGOTO_ERROR(H5E_LINK, H5E_BADTYPE, FAIL, "unknown link class")
-
- /* User-defined link; call its query function to get the link udata size. */
- /* Get the link class for this type of link. It's okay if the class
- * isn't registered, though--we just can't give any more information
- * about it
- */
- link_class = H5L_find_class(lnk->type);
-
- if(link_class != NULL && link_class->query_func != NULL) {
- if((cb_ret = (link_class->query_func)(lnk->name, lnk->u.ud.udata, lnk->u.ud.size, NULL, (size_t)0)) < 0)
- HGOTO_ERROR(H5E_LINK, H5E_CALLBACK, FAIL, "query buffer size callback returned failure")
-
- linfo->u.link_size = cb_ret;
- }
- else {
- linfo->u.link_size = 0;
- }
+ case H5L_TYPE_HARD:
+ linfo->u.address = lnk->u.hard.addr;
+ break;
+
+ case H5L_TYPE_SOFT:
+ linfo->u.link_size = HDstrlen(lnk->u.soft.name) + 1; /*count the null terminator*/
+ break;
+
+ default:
+ {
+ const H5L_class_t *link_class; /* User-defined link class */
+
+ if(lnk->type < H5L_TYPE_UD_MIN || lnk->type > H5L_TYPE_MAX)
+ HGOTO_ERROR(H5E_LINK, H5E_BADTYPE, FAIL, "unknown link class")
+
+ /* User-defined link; call its query function to get the link udata size. */
+ /* Get the link class for this type of link. It's okay if the class
+ * isn't registered, though--we just can't give any more information
+ * about it
+ */
+ link_class = H5L_find_class(lnk->type);
+
+ if(link_class != NULL && link_class->query_func != NULL) {
+ ssize_t cb_ret; /* Return value from UD callback */
+
+ if((cb_ret = (link_class->query_func)(lnk->name, lnk->u.ud.udata, lnk->u.ud.size, NULL, (size_t)0)) < 0)
+ HGOTO_ERROR(H5E_LINK, H5E_CALLBACK, FAIL, "query buffer size callback returned failure")
+
+ linfo->u.link_size = cb_ret;
+ } /* end if */
+ else
+ linfo->u.link_size = 0;
+ } /* end case */
} /* end switch */
} /* end if */
@@ -2066,12 +2138,13 @@ done:
*-------------------------------------------------------------------------
*/
herr_t
-H5L_get_info(const H5G_loc_t *loc, const char *name, H5L_info_t *linkbuf/*out*/, hid_t lapl_id, hid_t dxpl_id)
+H5L_get_info(const H5G_loc_t *loc, const char *name,
+ H5L_info_t *linkbuf/*out*/, hid_t lapl_id, hid_t dxpl_id)
{
- H5L_trav_ud1_t udata;
- herr_t ret_value = SUCCEED; /* Return value */
+ H5L_trav_ud1_t udata; /* User data for callback */
+ herr_t ret_value = SUCCEED; /* Return value */
- FUNC_ENTER_NOAPI_NOINIT(H5L_get_info)
+ FUNC_ENTER_NOAPI(H5L_get_info, FAIL)
udata.linfo = linkbuf;
udata.dxpl_id = dxpl_id;
@@ -2086,6 +2159,148 @@ done:
/*-------------------------------------------------------------------------
+ * Function: H5L_get_info_by_idx_cb
+ *
+ * Purpose: Callback for retrieving a link's metadata according to an
+ * index's order.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * Monday, November 6 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5L_get_info_by_idx_cb(H5G_loc_t UNUSED *grp_loc/*in*/, const char UNUSED *name,
+ const H5O_link_t UNUSED *lnk, H5G_loc_t *obj_loc, void *_udata/*in,out*/,
+ H5G_own_loc_t *own_loc/*out*/)
+{
+ H5L_trav_ud7_t *udata = (H5L_trav_ud7_t *)_udata; /* User data passed in */
+ H5O_link_t grp_lnk; /* Link within group */
+ H5L_info_t *linfo = udata->linfo;
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5L_get_info_by_idx_cb)
+
+#ifdef QAK
+HDfprintf(stderr, "%s: grp_loc = %p\n", FUNC, grp_loc);
+HDfprintf(stderr, "%s: name = %p\n", FUNC, name);
+if(name)
+ HDfprintf(stderr, "%s: name = '%s'\n", FUNC, name);
+HDfprintf(stderr, "%s: lnk = %p\n", FUNC, lnk);
+if(lnk && lnk->name)
+ HDfprintf(stderr, "%s: lnk->name = '%s'\n", FUNC, lnk->name);
+HDfprintf(stderr, "%s: obj_loc = %p\n", FUNC, obj_loc);
+if(obj_loc) {
+ HDfprintf(stderr, "%s: obj_loc->oloc = %p\n", FUNC, obj_loc->oloc);
+ if(obj_loc->oloc)
+ HDfprintf(stderr, "%s: obj_loc->oloc->addr = %a\n", FUNC, obj_loc->oloc->addr);
+} /* end if */
+#endif /* QAK */
+
+ /* Check if the name of the group resolved to a valid object */
+ if(obj_loc == NULL)
+ HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "group doesn't exist")
+
+ /* Query link */
+ if(H5G_obj_lookup_by_idx(obj_loc->oloc, udata->idx_type, udata->order,
+ udata->n, &grp_lnk, udata->dxpl_id) < 0)
+ HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "link not found")
+
+ /* Get information from the link */
+ if(linfo) {
+ linfo->cset = grp_lnk.cset;
+ linfo->corder = grp_lnk.corder;
+ linfo->corder_valid = grp_lnk.corder_valid;
+ linfo->type = grp_lnk.type;
+
+ switch(grp_lnk.type) {
+ case H5L_TYPE_HARD:
+ linfo->u.address = grp_lnk.u.hard.addr;
+ break;
+
+ case H5L_TYPE_SOFT:
+ linfo->u.link_size = HDstrlen(grp_lnk.u.soft.name) + 1; /*count the null terminator*/
+ break;
+
+ default:
+ {
+ const H5L_class_t *link_class; /* User-defined link class */
+
+ if(grp_lnk.type < H5L_TYPE_UD_MIN || grp_lnk.type > H5L_TYPE_MAX)
+ HGOTO_ERROR(H5E_LINK, H5E_BADTYPE, FAIL, "unknown link class")
+
+ /* User-defined link; call its query function to get the link udata size. */
+ /* Get the link class for this type of link. It's okay if the class
+ * isn't registered, though--we just can't give any more information
+ * about it
+ */
+ link_class = H5L_find_class(grp_lnk.type);
+
+ if(link_class != NULL && link_class->query_func != NULL) {
+ ssize_t cb_ret; /* Return value from UD callback */
+
+ if((cb_ret = (link_class->query_func)(grp_lnk.name, grp_lnk.u.ud.udata, grp_lnk.u.ud.size, NULL, (size_t)0)) < 0)
+ HGOTO_ERROR(H5E_LINK, H5E_CALLBACK, FAIL, "query buffer size callback returned failure")
+
+ linfo->u.link_size = cb_ret;
+ } /* end if */
+ else
+ linfo->u.link_size = 0;
+ } /* end case */
+ } /* end switch */
+ } /* end if */
+
+done:
+ /* Indicate that this callback didn't take ownership of the group *
+ * location for the object */
+ *own_loc = H5G_OWN_NONE;
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5L_get_info_by_idx_cb() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5L_get_info_by_idx
+ *
+ * Purpose: Returns metadata about a link, according to an order within
+ * an index.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * Monday, November 6 2006
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5L_get_info_by_idx(const H5G_loc_t *loc, const char *group_name,
+ H5L_index_t idx_type, H5_iter_order_t order, hsize_t n,
+ H5L_info_t *linkbuf/*out*/, hid_t lapl_id, hid_t dxpl_id)
+{
+ H5L_trav_ud7_t udata; /* User data for callback */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5L_get_info_by_idx)
+
+ /* Set up user data for callback */
+ udata.idx_type = idx_type;
+ udata.order = order;
+ udata.n = n;
+ udata.dxpl_id = dxpl_id;
+ udata.linfo = linkbuf;
+
+ /* Traverse the group hierarchy to locate the object to get info about */
+ if(H5G_traverse(loc, group_name, H5G_TARGET_SLINK|H5G_TARGET_UDLINK, H5L_get_info_by_idx_cb, &udata, lapl_id, dxpl_id) < 0)
+ HGOTO_ERROR(H5E_SYM, H5E_EXISTS, FAIL, "name doesn't exist")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5L_get_info_by_idx() */
+
+
+/*-------------------------------------------------------------------------
* Function: H5L_get_default_lcpl
*
* Purpose: Accessor for the default Link Creation Property List
@@ -2102,7 +2317,7 @@ done:
hid_t
H5L_get_default_lcpl(void)
{
- hid_t ret_value = FAIL; /* Return value */
+ hid_t ret_value; /* Return value */
FUNC_ENTER_NOAPI(H5L_get_default_lcpl, FAIL)
diff --git a/src/H5Lpublic.h b/src/H5Lpublic.h
index e944965..eb24375 100644
--- a/src/H5Lpublic.h
+++ b/src/H5Lpublic.h
@@ -120,6 +120,18 @@ typedef struct {
H5L_query_func_t query_func; /* Callback for queries */
} H5L_class_t;
+/*
+ * The types of indices on links in groups. Primarily used for "<do> <foo> by
+ * index" routines and for iterating over links in groups.
+ */
+typedef enum H5L_index_t {
+ H5L_INDEX_UNKNOWN = -1, /* Unknown index type */
+ H5L_INDEX_NAME, /* Index on names of links */
+ H5L_INDEX_CORDER, /* Index on creation order of links */
+ H5L_INDEX_N /* Number of indices defined on links in groups */
+} H5L_index_t;
+
+
/********************/
/* Public Variables */
/********************/
@@ -144,6 +156,9 @@ H5_DLL herr_t H5Lget_val(hid_t loc_id, const char *name, size_t size,
void *buf/*out*/, hid_t lapl_id);
H5_DLL herr_t H5Lget_info(hid_t loc_id, const char *name,
H5L_info_t *linkbuf /*out*/, hid_t lapl_id);
+H5_DLL herr_t H5Lget_info_by_idx(hid_t loc_id, const char *group_name,
+ H5L_index_t idx_type, H5_iter_order_t order, hsize_t n,
+ H5L_info_t *linkbuf /*out*/, hid_t lapl_id);
/* UD link functions */
H5_DLL herr_t H5Lcreate_ud(hid_t link_loc_id, const char *link_name,
diff --git a/src/H5Plapl.c b/src/H5Plapl.c
index eb3fb1c..e05e4b0 100644
--- a/src/H5Plapl.c
+++ b/src/H5Plapl.c
@@ -119,14 +119,14 @@ const H5P_libclass_t H5P_CLS_LACC[1] = {{
* October 31, 2006
*-------------------------------------------------------------------------
*/
-herr_t
+static herr_t
H5P_lacc_reg_prop(H5P_genclass_t *pclass)
{
size_t nlinks = H5L_ACS_NLINKS_DEF; /* Default number of soft links to traverse */
char *elink_prefix = H5L_ACS_ELINK_PREFIX_DEF; /* Default external link prefix string */
herr_t ret_value = SUCCEED; /* Return value */
- FUNC_ENTER_NOAPI(H5P_lacc_reg_prop, FAIL)
+ FUNC_ENTER_NOAPI_NOINIT(H5P_lacc_reg_prop)
/* Register property for number of links traversed */
if(H5P_register(pclass, H5L_ACS_NLINKS_NAME, H5L_ACS_NLINKS_SIZE,
diff --git a/src/H5public.h b/src/H5public.h
index e7f4d32..114944a 100644
--- a/src/H5public.h
+++ b/src/H5public.h
@@ -229,9 +229,11 @@ typedef ssize_t hssize_t;
/* Common iteration orders */
typedef enum {
+ H5_ITER_UNKNOWN, /* Unknown order */
H5_ITER_INC, /* Increasing order */
H5_ITER_DEC, /* Decreasing order */
- H5_ITER_NATIVE /* No particular order, whatever is fastest */
+ H5_ITER_NATIVE, /* No particular order, whatever is fastest */
+ H5_ITER_N /* Number of iteration orders */
} H5_iter_order_t;
/* Functions in H5.c */