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-rw-r--r--src/H5Oattr.c668
1 files changed, 2 insertions, 666 deletions
diff --git a/src/H5Oattr.c b/src/H5Oattr.c
index 9e22011..5c1aba8 100644
--- a/src/H5Oattr.c
+++ b/src/H5Oattr.c
@@ -21,63 +21,17 @@
#include "H5Apkg.h" /* Attributes */
#include "H5Dprivate.h" /* Datasets */
#include "H5Eprivate.h" /* Error handling */
-#include "H5FLprivate.h" /* Free Lists */
-#include "H5Gprivate.h" /* Groups */
#include "H5Iprivate.h" /* IDs */
#include "H5MMprivate.h" /* Memory management */
#include "H5Opkg.h" /* Object headers */
#include "H5Spkg.h" /* Dataspaces */
#include "H5SMprivate.h" /* Shared Object Header Messages */
-/* User data for iteration when converting attributes to dense storage */
-typedef struct {
- H5F_t *f; /* Pointer to file for insertion */
- hid_t dxpl_id; /* DXPL during iteration */
-} H5O_iter_cvt_t;
-
-/* User data for iteration when updating an attribute */
-typedef struct {
- /* down */
- H5F_t *f; /* Pointer to file attribute is in */
- hid_t dxpl_id; /* DXPL for operation */
- H5A_t *attr; /* Attribute data to update object header with */
-
- /* up */
- hbool_t found; /* Whether the attribute was found */
-} H5O_iter_wrt_t;
-
-/* User data for iteration when renaming an attribute */
-typedef struct {
- /* down */
- H5F_t *f; /* Pointer to file attribute is in */
- hid_t dxpl_id; /* DXPL for operation */
- const char *old_name; /* Old name of attribute */
- const char *new_name; /* New name of attribute */
-
- /* up */
- hbool_t found; /* Whether the attribute was found */
-} H5O_iter_ren_t;
-
-/* User data for iteration when iterating over attributes */
-typedef struct {
- /* down */
- H5F_t *f; /* Pointer to file attribute is in */
- hid_t dxpl_id; /* DXPL for operation */
- hid_t loc_id; /* ID of object being iterated over */
- unsigned skip; /* # of attributes to skip over */
- H5A_operator_t op; /* Callback routine for each attribute */
- void *op_data; /* User data for callback */
-
- /* up */
- unsigned count; /* Count of attributes examined */
-} H5O_iter_itr_t;
-
/* PRIVATE PROTOTYPES */
static herr_t H5O_attr_encode(H5F_t *f, uint8_t *p, const void *mesg);
static void *H5O_attr_decode(H5F_t *f, hid_t dxpl_id, const uint8_t *p);
static void *H5O_attr_copy(const void *_mesg, void *_dest);
static size_t H5O_attr_size(const H5F_t *f, const void *_mesg);
-static herr_t H5O_attr_reset(void *_mesg);
static herr_t H5O_attr_free(void *mesg);
static herr_t H5O_attr_delete(H5F_t *f, hid_t dxpl_id, const void *_mesg, hbool_t adj_link);
static herr_t H5O_attr_link(H5F_t *f, hid_t dxpl_id, const void *_mesg);
@@ -86,7 +40,6 @@ static herr_t H5O_attr_pre_copy_file(H5F_t *file_src, const H5O_msg_class_t *typ
static void *H5O_attr_copy_file(H5F_t *file_src, const H5O_msg_class_t *mesg_type,
void *native_src, H5F_t *file_dst, hid_t dxpl_id, H5O_copy_t *cpy_info,
void *udata);
-static herr_t H5O_attr_get_share(const void *_mesg, H5O_shared_t *sh);
static herr_t H5O_attr_set_share(void *_mesg, const H5O_shared_t *sh);
static htri_t H5O_attr_is_shared(const void *_mesg);
static herr_t H5O_attr_debug(H5F_t *f, hid_t dxpl_id, const void *_mesg,
@@ -639,7 +592,7 @@ H5O_attr_size(const H5F_t *f, const void *_mesg)
*
*-------------------------------------------------------------------------
*/
-static herr_t
+herr_t
H5O_attr_reset(void *_mesg)
{
H5A_t *attr = (H5A_t *)_mesg;
@@ -1098,7 +1051,7 @@ done:
*
*-------------------------------------------------------------------------
*/
-static herr_t
+herr_t
H5O_attr_get_share(const void *_mesg, H5O_shared_t *sh /*out*/)
{
const H5A_t *mesg = (const H5A_t *)_mesg;
@@ -1271,620 +1224,3 @@ done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5O_attr_debug() */
-
-/*-------------------------------------------------------------------------
- * Function: H5O_msg_attr_to_dense_cb
- *
- * Purpose: Object header iterator callback routine to convert compact
- * attributes to dense attributes
- *
- * Return: Non-negative on success/Negative on failure
- *
- * Programmer: Quincey Koziol
- * koziol@hdfgroup.org
- * Dec 4 2006
- *
- *-------------------------------------------------------------------------
- */
-static herr_t
-H5A_attr_to_dense_cb(H5O_t *oh, H5O_mesg_t *mesg/*in,out*/,
- unsigned UNUSED sequence, unsigned *oh_flags_ptr, void *_udata/*in,out*/)
-{
- H5O_iter_cvt_t *udata = (H5O_iter_cvt_t *)_udata; /* Operator user data */
- herr_t ret_value = H5_ITER_CONT; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT(H5A_attr_to_dense_cb)
-
- /* check args */
- HDassert(oh);
- HDassert(mesg);
-
- /* Insert attribute into dense storage */
- if(H5A_dense_insert(udata->f, udata->dxpl_id, oh, mesg->flags, mesg->native) < 0)
- HGOTO_ERROR(H5E_OHDR, H5E_CANTINSERT, H5_ITER_ERROR, "unable to add to dense storage")
-
- /* Convert message into a null message */
- if(H5O_release_mesg(udata->f, udata->dxpl_id, oh, mesg, TRUE, FALSE) < 0)
- HGOTO_ERROR(H5E_OHDR, H5E_CANTDELETE, H5_ITER_ERROR, "unable to convert into null message")
-
- /* Indicate that the object header was modified */
- *oh_flags_ptr |= H5AC__DIRTIED_FLAG;
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5A_attr_to_dense_cb() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5O_attr_create
- *
- * Purpose: Create a new attribute in the object header.
- *
- * Return: Non-negative on success/Negative on failure
- *
- * Programmer: Quincey Koziol
- * Friday, December 8, 2006
- *
- *-------------------------------------------------------------------------
- */
-herr_t
-H5O_attr_create(const H5O_loc_t *loc, hid_t dxpl_id, H5A_t *attr)
-{
- H5O_t *oh = NULL; /* Pointer to actual object header */
- unsigned oh_flags = H5AC__NO_FLAGS_SET; /* Metadata cache flags for object header */
- unsigned mesg_flags = 0; /* Flags for storing message */
- htri_t shared_mesg; /* Should this message be stored in the Shared Message table? */
- herr_t ret_value = SUCCEED; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT(H5O_attr_create)
-
- /* Check arguments */
- HDassert(loc);
- HDassert(attr);
-
- /* Should this message be written as a SOHM? */
- if((shared_mesg = H5SM_try_share(loc->file, dxpl_id, H5O_ATTR_ID, attr)) > 0)
- /* Mark the message as shared */
- mesg_flags |= H5O_MSG_FLAG_SHARED;
- else if(shared_mesg < 0)
- HGOTO_ERROR(H5E_ATTR, H5E_WRITEERROR, FAIL, "error determining if message should be shared")
-
- /* Protect the object header to iterate over */
- if(NULL == (oh = H5AC_protect(loc->file, dxpl_id, H5AC_OHDR, loc->addr, NULL, NULL, H5AC_WRITE)))
- HGOTO_ERROR(H5E_ATTR, H5E_CANTLOAD, FAIL, "unable to load object header")
-
-#ifdef QAK
-HDfprintf(stderr, "%s: adding attribute to new-style object header\n", FUNC);
-HDfprintf(stderr, "%s: oh->nattrs = %Hu\n", FUNC, oh->nattrs);
-HDfprintf(stderr, "%s: oh->max_compact = %u\n", FUNC, oh->max_compact);
-HDfprintf(stderr, "%s: oh->min_dense = %u\n", FUNC, oh->min_dense);
-#endif /* QAK */
- /* Check for switching to "dense" attribute storage */
- if(oh->version > H5O_VERSION_1 && oh->nattrs == oh->max_compact &&
- !H5F_addr_defined(oh->attr_fheap_addr)) {
- H5O_iter_cvt_t udata; /* User data for callback */
- H5O_mesg_operator_t op; /* Wrapper for operator */
-#ifdef QAK
-HDfprintf(stderr, "%s: converting attributes to dense storage\n", FUNC);
-#endif /* QAK */
-
- /* Create dense storage for attributes */
- if(H5A_dense_create(loc->file, dxpl_id, oh) < 0)
- HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL, "unable to create dense storage for attributes")
-
- /* Set up user data for callback */
- udata.f = loc->file;
- udata.dxpl_id = dxpl_id;
-
- /* Iterate over existing attributes, moving them to dense storage */
- op.lib_op = H5A_attr_to_dense_cb;
- if(H5O_msg_iterate_real(loc->file, oh, H5O_MSG_ATTR, TRUE, op, &udata, dxpl_id, &oh_flags) < 0)
- HGOTO_ERROR(H5E_ATTR, H5E_CANTCONVERT, FAIL, "error converting attributes to dense storage")
- } /* end if */
-
- /* Increment attribute count */
- oh->nattrs++;
-
- /* Check for storing attribute with dense storage */
- if(H5F_addr_defined(oh->attr_fheap_addr)) {
- /* Insert attribute into dense storage */
-#ifdef QAK
-HDfprintf(stderr, "%s: inserting attribute to dense storage\n", FUNC);
-#endif /* QAK */
- if(H5A_dense_insert(loc->file, dxpl_id, oh, mesg_flags, attr) < 0)
- HGOTO_ERROR(H5E_ATTR, H5E_CANTINSERT, FAIL, "unable to add to dense storage")
- } /* end if */
- else {
- /* Append new message to object header */
- if(H5O_msg_append_real(loc->file, dxpl_id, oh, H5O_MSG_ATTR, mesg_flags, 0, attr, &oh_flags) < 0)
- HGOTO_ERROR(H5E_ATTR, H5E_CANTINSERT, FAIL, "unable to create new attribute in header")
- } /* end else */
-
- /* Update the modification time, if any */
- if(H5O_touch_oh(loc->file, dxpl_id, oh, FALSE, &oh_flags) < 0)
- HGOTO_ERROR(H5E_ATTR, H5E_CANTUPDATE, FAIL, "unable to update time on object")
-
-done:
- if(oh && H5AC_unprotect(loc->file, dxpl_id, H5AC_OHDR, loc->addr, oh, oh_flags) < 0)
- HDONE_ERROR(H5E_ATTR, H5E_PROTECT, FAIL, "unable to release object header")
-
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5O_attr_create */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5O_attr_write_cb
- *
- * Purpose: Object header iterator callback routine to update an
- * attribute stored compactly.
- *
- * Return: Non-negative on success/Negative on failure
- *
- * Programmer: Quincey Koziol
- * koziol@hdfgroup.org
- * Dec 4 2006
- *
- *-------------------------------------------------------------------------
- */
-static herr_t
-H5O_attr_write_cb(H5O_t *oh, H5O_mesg_t *mesg/*in,out*/,
- unsigned UNUSED sequence, unsigned *oh_flags_ptr, void *_udata/*in,out*/)
-{
- H5O_iter_wrt_t *udata = (H5O_iter_wrt_t *)_udata; /* Operator user data */
- herr_t ret_value = H5_ITER_CONT; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT(H5O_attr_write_cb)
-
- /* check args */
- HDassert(oh);
- HDassert(mesg);
- HDassert(!udata->found);
-
- /* Check for shared message */
- if(mesg->flags & H5O_MSG_FLAG_SHARED) {
- H5A_t shared_attr; /* Copy of shared attribute */
-
- /*
- * If the message is shared then then the native pointer points to an
- * H5O_MSG_SHARED message. We use that information to look up the real
- * message in the global heap or some other object header.
- */
- if(NULL == H5O_shared_read(udata->f, udata->dxpl_id, mesg->native, H5O_MSG_ATTR, &shared_attr))
- HGOTO_ERROR(H5E_ATTR, H5E_CANTINIT, H5_ITER_ERROR, "unable to read shared attribute")
-
- /* Check for correct attribute message to modify */
- if(HDstrcmp(shared_attr.name, udata->attr->name) == 0) {
- htri_t shared_mesg; /* Whether the message should be shared */
-
- /* Store new version of message as a SOHM */
- /* (should always work, since we're not changing the size of the attribute) */
- if((shared_mesg = H5SM_try_share(udata->f, udata->dxpl_id, H5O_ATTR_ID, udata->attr)) == 0)
- HGOTO_ERROR(H5E_ATTR, H5E_BADMESG, H5_ITER_ERROR, "attribute changed sharing status")
- else if(shared_mesg < 0)
- HGOTO_ERROR(H5E_ATTR, H5E_BADMESG, H5_ITER_ERROR, "can't share attribute")
-
- /* Remove the old attribut from the SOHM index */
- if(H5SM_try_delete(udata->f, udata->dxpl_id, H5O_ATTR_ID, mesg->native) < 0)
- HGOTO_ERROR(H5E_ATTR, H5E_CANTFREE, H5_ITER_ERROR, "unable to delete shared attribute in shared storage")
-
- /* Extract shared message info from current attribute */
- if(H5O_attr_get_share(udata->attr, mesg->native) < 0)
- HGOTO_ERROR(H5E_ATTR, H5E_BADMESG, H5_ITER_ERROR, "can't get shared info")
-
- /* Indicate that we found the correct attribute */
- udata->found = TRUE;
- } /* end if */
-
- /* Release copy of shared attribute */
- H5O_attr_reset(&shared_attr);
- } /* end if */
- else {
- /* Check for correct attribute message to modify */
- if(HDstrcmp(((H5A_t *)mesg->native)->name, udata->attr->name) == 0) {
- /* Allocate storage for the message's data, if necessary */
- if(((H5A_t *)mesg->native)->data == NULL)
- if(NULL == (((H5A_t *)mesg->native)->data = H5FL_BLK_MALLOC(attr_buf, udata->attr->data_size)))
- HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, H5_ITER_ERROR, "memory allocation failed")
-
- /* Copy the data */
- HDmemcpy(((H5A_t *)mesg->native)->data, udata->attr->data, udata->attr->data_size);
-
- /* Indicate that we found the correct attribute */
- udata->found = TRUE;
- } /* end if */
- } /* end else */
-
- /* Set common info, if we found the correct attribute */
- if(udata->found) {
- /* Mark message as dirty */
- mesg->dirty = TRUE;
-
- /* Stop iterating */
- ret_value = H5_ITER_STOP;
-
- /* Indicate that the object header was modified */
- *oh_flags_ptr |= H5AC__DIRTIED_FLAG;
- } /* end if */
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5O_attr_write_cb() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5O_attr_write
- *
- * Purpose: Write a new value to an attribute.
- *
- * Return: Non-negative on success/Negative on failure
- *
- * Programmer: Quincey Koziol
- * Monday, December 4, 2006
- *
- *-------------------------------------------------------------------------
- */
-herr_t
-H5O_attr_write(const H5O_loc_t *loc, hid_t dxpl_id, H5A_t *attr)
-{
- H5O_t *oh = NULL; /* Pointer to actual object header */
- unsigned oh_flags = H5AC__NO_FLAGS_SET; /* Metadata cache flags for object header */
- herr_t ret_value = SUCCEED; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT(H5O_attr_write)
-
- /* Check arguments */
- HDassert(loc);
- HDassert(attr);
-
- /* Protect the object header to iterate over */
- if(NULL == (oh = H5AC_protect(loc->file, dxpl_id, H5AC_OHDR, loc->addr, NULL, NULL, H5AC_WRITE)))
- HGOTO_ERROR(H5E_ATTR, H5E_CANTLOAD, FAIL, "unable to load object header")
-
- /* Check for attributes stored densely */
- if(H5F_addr_defined(oh->attr_fheap_addr)) {
- /* Modify the attribute data in dense storage */
- if(H5A_dense_write(loc->file, dxpl_id, oh, attr) < 0)
- HGOTO_ERROR(H5E_ATTR, H5E_CANTUPDATE, FAIL, "error updating attribute")
- } /* end if */
- else {
- H5O_iter_wrt_t udata; /* User data for callback */
- H5O_mesg_operator_t op; /* Wrapper for operator */
-
- /* Set up user data for callback */
- udata.f = loc->file;
- udata.dxpl_id = dxpl_id;
- udata.attr = attr;
- udata.found = FALSE;
-
- /* Iterate over attributes, to locate correct one to update */
- op.lib_op = H5O_attr_write_cb;
- if(H5O_msg_iterate_real(loc->file, oh, H5O_MSG_ATTR, TRUE, op, &udata, dxpl_id, &oh_flags) < 0)
- HGOTO_ERROR(H5E_ATTR, H5E_CANTUPDATE, FAIL, "error updating attribute")
-
- /* Check that we found the attribute */
- if(!udata.found)
- HGOTO_ERROR(H5E_ATTR, H5E_NOTFOUND, FAIL, "can't locate open attribute?")
- } /* end else */
-
- /* Update the modification time, if any */
- if(H5O_touch_oh(loc->file, dxpl_id, oh, FALSE, &oh_flags) < 0)
- HGOTO_ERROR(H5E_ATTR, H5E_CANTUPDATE, FAIL, "unable to update time on object")
-
-done:
- if(oh && H5AC_unprotect(loc->file, dxpl_id, H5AC_OHDR, loc->addr, oh, oh_flags) < 0)
- HDONE_ERROR(H5E_ATTR, H5E_PROTECT, FAIL, "unable to release object header")
-
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5O_attr_write */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5O_attr_rename_dup_cb
- *
- * Purpose: Object header iterator callback routine to check for
- * duplicate name during rename
- *
- * Return: Non-negative on success/Negative on failure
- *
- * Programmer: Quincey Koziol
- * koziol@hdfgroup.org
- * Dec 5 2006
- *
- *-------------------------------------------------------------------------
- */
-static herr_t
-H5O_attr_rename_dup_cb(H5O_t *oh, H5O_mesg_t *mesg/*in,out*/,
- unsigned UNUSED sequence, unsigned UNUSED *oh_flags_ptr, void *_udata/*in,out*/)
-{
- H5O_iter_ren_t *udata = (H5O_iter_ren_t *)_udata; /* Operator user data */
- herr_t ret_value = H5_ITER_CONT; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT(H5O_attr_rename_dup_cb)
-
- /* check args */
- HDassert(oh);
- HDassert(mesg);
- HDassert(!udata->found);
-
- /* Check for shared message */
- if(mesg->flags & H5O_MSG_FLAG_SHARED) {
- H5A_t shared_attr; /* Copy of shared attribute */
-
- /*
- * If the message is shared then then the native pointer points to an
- * H5O_MSG_SHARED message. We use that information to look up the real
- * message in the global heap or some other object header.
- */
- if(NULL == H5O_shared_read(udata->f, udata->dxpl_id, mesg->native, H5O_MSG_ATTR, &shared_attr))
- HGOTO_ERROR(H5E_ATTR, H5E_CANTINIT, H5_ITER_ERROR, "unable to read shared attribute")
-
- /* Check for existing attribute with new name */
- if(HDstrcmp(shared_attr.name, udata->new_name) == 0) {
- /* Indicate that we found an existing attribute with the new name*/
- udata->found = TRUE;
-
- /* Stop iterating */
- ret_value = H5_ITER_STOP;
- } /* end if */
-
- /* Release copy of shared attribute */
- H5O_attr_reset(&shared_attr);
- } /* end if */
- else {
- /* Check for existing attribute with new name */
- if(HDstrcmp(((H5A_t *)mesg->native)->name, udata->new_name) == 0) {
- /* Indicate that we found an existing attribute with the new name*/
- udata->found = TRUE;
-
- /* Stop iterating */
- ret_value = H5_ITER_STOP;
- } /* end if */
- } /* end else */
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5O_attr_rename_dup_cb() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5O_attr_rename_mod_cb
- *
- * Purpose: Object header iterator callback routine to change name of
- * attribute during rename
- *
- * Return: Non-negative on success/Negative on failure
- *
- * Programmer: Quincey Koziol
- * koziol@hdfgroup.org
- * Dec 5 2006
- *
- *-------------------------------------------------------------------------
- */
-static herr_t
-H5O_attr_rename_mod_cb(H5O_t *oh, H5O_mesg_t *mesg/*in,out*/,
- unsigned UNUSED sequence, unsigned *oh_flags_ptr, void *_udata/*in,out*/)
-{
- H5O_iter_ren_t *udata = (H5O_iter_ren_t *)_udata; /* Operator user data */
- herr_t ret_value = H5_ITER_CONT; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT(H5O_attr_rename_mod_cb)
-
- /* check args */
- HDassert(oh);
- HDassert(mesg);
- HDassert(!udata->found);
-
- /* Check for shared message */
- if(mesg->flags & H5O_MSG_FLAG_SHARED) {
- H5A_t shared_attr; /* Copy of shared attribute */
-
- /*
- * If the message is shared then then the native pointer points to an
- * H5O_MSG_SHARED message. We use that information to look up the real
- * message in the global heap or some other object header.
- */
- if(NULL == H5O_shared_read(udata->f, udata->dxpl_id, mesg->native, H5O_MSG_ATTR, &shared_attr))
- HGOTO_ERROR(H5E_ATTR, H5E_CANTINIT, H5_ITER_ERROR, "unable to read shared attribute")
-
- /* Check for correct attribute message to modify */
- if(HDstrcmp(shared_attr.name, udata->old_name) == 0) {
-/* XXX: fix me */
-HDfprintf(stderr, "%s: renaming a shared attribute not supported yet!\n", FUNC);
-HGOTO_ERROR(H5E_ATTR, H5E_UNSUPPORTED, H5_ITER_ERROR, "renaming a shared attribute not supported yet")
- } /* end if */
-
- /* Release copy of shared attribute */
- H5O_attr_reset(&shared_attr);
- } /* end if */
- else {
- /* Find correct attribute message to rename */
- if(HDstrcmp(((H5A_t *)mesg->native)->name, udata->old_name) == 0) {
- /* Change the name for the attribute */
- H5MM_xfree(((H5A_t *)mesg->native)->name);
- ((H5A_t *)mesg->native)->name = H5MM_xstrdup(udata->new_name);
-
- /* Indicate that we found an existing attribute with the old name*/
- udata->found = TRUE;
-
- /* Mark message as dirty */
- mesg->dirty = TRUE;
-
- /* Stop iterating */
- ret_value = H5_ITER_STOP;
-
- /* Indicate that the object header was modified */
- *oh_flags_ptr |= H5AC__DIRTIED_FLAG;
- } /* end if */
- } /* end else */
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5O_attr_rename_mod_cb() */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5O_attr_rename
- *
- * Purpose: Rename an attribute.
- *
- * Return: Non-negative on success/Negative on failure
- *
- * Programmer: Quincey Koziol
- * Tuesday, December 5, 2006
- *
- *-------------------------------------------------------------------------
- */
-herr_t
-H5O_attr_rename(const H5O_loc_t *loc, hid_t dxpl_id, const char *old_name, const char *new_name)
-{
- H5O_t *oh = NULL; /* Pointer to actual object header */
- unsigned oh_flags = H5AC__NO_FLAGS_SET; /* Metadata cache flags for object header */
- herr_t ret_value = SUCCEED; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT(H5O_attr_rename)
-
- /* Check arguments */
- HDassert(loc);
- HDassert(old_name);
- HDassert(new_name);
-
- /* Protect the object header to iterate over */
- if(NULL == (oh = H5AC_protect(loc->file, dxpl_id, H5AC_OHDR, loc->addr, NULL, NULL, H5AC_WRITE)))
- HGOTO_ERROR(H5E_ATTR, H5E_CANTLOAD, FAIL, "unable to load object header")
-
- /* Check for attributes stored densely */
- if(H5F_addr_defined(oh->attr_fheap_addr)) {
-/* XXX: fix me */
-HDfprintf(stderr, "%s: renaming attributes in dense storage not supported yet!\n", FUNC);
-HGOTO_ERROR(H5E_ATTR, H5E_UNSUPPORTED, FAIL, "renaming attributes in dense storage not supported yet")
- } /* end if */
- else {
- H5O_iter_ren_t udata; /* User data for callback */
- H5O_mesg_operator_t op; /* Wrapper for operator */
-
- /* Set up user data for callback */
- udata.f = loc->file;
- udata.dxpl_id = dxpl_id;
- udata.old_name = old_name;
- udata.new_name = new_name;
- udata.found = FALSE;
-
- /* Iterate over attributes, to check if "new name" exists already */
- op.lib_op = H5O_attr_rename_dup_cb;
- if(H5O_msg_iterate_real(loc->file, oh, H5O_MSG_ATTR, TRUE, op, &udata, dxpl_id, &oh_flags) < 0)
- HGOTO_ERROR(H5E_ATTR, H5E_CANTUPDATE, FAIL, "error updating attribute")
-
- /* If the new name was found, indicate an error */
- if(udata.found)
- HGOTO_ERROR(H5E_ATTR, H5E_EXISTS, FAIL, "attribute with new name already exists")
-
- /* Iterate over attributes again, to actually rename attribute with old name */
- op.lib_op = H5O_attr_rename_mod_cb;
- if(H5O_msg_iterate_real(loc->file, oh, H5O_MSG_ATTR, TRUE, op, &udata, dxpl_id, &oh_flags) < 0)
- HGOTO_ERROR(H5E_ATTR, H5E_CANTUPDATE, FAIL, "error updating attribute")
- } /* end else */
-
- /* Update the modification time, if any */
- if(H5O_touch_oh(loc->file, dxpl_id, oh, FALSE, &oh_flags) < 0)
- HGOTO_ERROR(H5E_ATTR, H5E_CANTUPDATE, FAIL, "unable to update time on object")
-
-done:
- if(oh && H5AC_unprotect(loc->file, dxpl_id, H5AC_OHDR, loc->addr, oh, oh_flags) < 0)
- HDONE_ERROR(H5E_ATTR, H5E_PROTECT, FAIL, "unable to release object header")
-
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5O_attr_rename */
-
-
-/*-------------------------------------------------------------------------
- * Function: H5O_attr_iterate
- *
- * Purpose: Iterate over attributes for an object.
- *
- * Return: Non-negative on success/Negative on failure
- *
- * Programmer: Quincey Koziol
- * Tuesday, December 5, 2006
- *
- *-------------------------------------------------------------------------
- */
-herr_t
-H5O_attr_iterate(hid_t loc_id, const H5O_loc_t *loc, hid_t dxpl_id,
- unsigned skip, unsigned *last_attr, H5A_operator_t op, void *op_data)
-{
- H5O_t *oh = NULL; /* Pointer to actual object header */
- haddr_t attr_fheap_addr; /* Address of fractal heap for dense attribute storage */
- haddr_t name_bt2_addr; /* Address of v2 B-tree for name index on dense attribute storage */
- herr_t ret_value = SUCCEED; /* Return value */
-
- FUNC_ENTER_NOAPI_NOINIT(H5O_attr_iterate)
-
- /* Check arguments */
- HDassert(loc);
- HDassert(op);
-
- /* Protect the object header to iterate over */
- if(NULL == (oh = H5AC_protect(loc->file, dxpl_id, H5AC_OHDR, loc->addr, NULL, NULL, H5AC_READ)))
- HGOTO_ERROR(H5E_ATTR, H5E_CANTLOAD, FAIL, "unable to load object header")
-
- /* Retrieve the information about dense attribute storage */
- if(oh->version > H5O_VERSION_1 && H5F_addr_defined(oh->attr_fheap_addr)) {
- attr_fheap_addr = oh->attr_fheap_addr;
- name_bt2_addr = oh->name_bt2_addr;
- } /* end if */
- else
- attr_fheap_addr = name_bt2_addr = HADDR_UNDEF;
-
- /* Release the object header */
- if(H5AC_unprotect(loc->file, dxpl_id, H5AC_OHDR, loc->addr, oh, H5AC__NO_FLAGS_SET) < 0)
- HDONE_ERROR(H5E_ATTR, H5E_PROTECT, FAIL, "unable to release object header")
- oh = NULL;
-
- /* Check for attributes stored densely */
- if(H5F_addr_defined(attr_fheap_addr)) {
- if((ret_value = H5A_dense_iterate(loc->file, dxpl_id, loc_id, attr_fheap_addr,
- name_bt2_addr, skip, last_attr, op, op_data)) < 0)
- HERROR(H5E_ATTR, H5E_BADITER, "error iterating over attributes");
- } /* end if */
- else {
- unsigned idx; /* Current attribute to operate on */
-
- /* Check for skipping over too many attributes */
- if((int)skip < H5O_msg_count(loc, H5O_ATTR_ID, dxpl_id)) {
- H5A_t found_attr; /* Copy of attribute for callback */
-
- /* Read each attribute and call application's callback */
- /* (this could be made more efficient by iterating over the
- * attribute header messages with H5O_msg_iterate, but then
- * the object header would be locked during the callback into
- * the application code, causing problems if they attempt to
- * do anything with the object the attribute is on - QAK)
- */
- idx = skip;
- while(H5O_msg_read(loc, H5O_ATTR_ID, (int)idx, &found_attr, dxpl_id) != NULL) {
- /* Call application's callback */
- idx++;
- if((ret_value = (op)(loc_id, found_attr.name, op_data)) != 0) {
- H5A_free(&found_attr);
- break;
- } /* end if */
- H5A_free(&found_attr);
- } /* end while */
-
- /* Clear error stack from running off end of attributes */
- if(ret_value == 0)
- H5E_clear_stack(NULL);
- } /* end if */
- else
- if(skip > 0)
- HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid index specified")
-
- /* Update last attribute looked at */
- if(last_attr)
- *last_attr = idx;
- } /* end else */
-
-done:
- FUNC_LEAVE_NOAPI(ret_value)
-} /* end H5O_attr_iterate */
-
generated by cgit v0.12 at 2024-11-01 19:52:46 (GMT)