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HDF5 1.14.5
API Reference
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Fortran Attribute (H5A) Interface

Detailed Description

See also
Attributes (H5A), C-API
HDF5 Attributes, User Guide

Modules

module  h5a
 This module contains Fortran interfaces for H5A functions.
 

Functions/Subroutines

subroutine h5acreate_f (loc_id, name, type_id, space_id, attr_id, hdferr, acpl_id, aapl_id)
 Creates a dataset as an attribute of a group, dataset, or named datatype.
 
subroutine h5acreate_async_f (loc_id, name, type_id, space_id, attr_id, es_id, hdferr, acpl_id, aapl_id, file, func, line)
 Asynchronously creates a dataset as an attribute of a group, dataset, or named datatype.
 
subroutine h5aopen_name_f (obj_id, name, attr_id, hdferr)
 Opens an attribute specified by name.
 
subroutine h5aopen_idx_f (obj_id, index, attr_id, hdferr)
 Opens the attribute specified by its index.
 
subroutine h5aget_space_f (attr_id, space_id, hdferr)
 Gets a copy of the dataspace for an attribute.
 
subroutine h5aget_type_f (attr_id, type_id, hdferr)
 Gets an attribute datatype.
 
subroutine h5aget_name_f (attr_id, size, buf, hdferr)
 Gets an attribute name.
 
subroutine h5aget_name_by_idx_f (loc_id, obj_name, idx_type, order, n, name, hdferr, size, lapl_id)
 Gets an attribute name, by attribute index position.
 
subroutine h5aget_num_attrs_f (obj_id, attr_num, hdferr)
 Determines the number of attributes attached to an object.
 
subroutine h5adelete_f (obj_id, name, hdferr)
 Deletes an attribute of an object (group, dataset or named datatype)
 
subroutine h5aclose_f (attr_id, hdferr)
 Closes the specified attribute.
 
subroutine h5aclose_async_f (attr_id, es_id, hdferr, file, func, line)
 Asynchronously closes the specified attribute.
 
subroutine h5aget_storage_size_f (attr_id, size, hdferr)
 Returns the amount of storage required for an attribute.
 
subroutine h5aget_create_plist_f (attr_id, creation_prop_id, hdferr)
 Gets an attribute creation property list identifier.
 
subroutine h5arename_by_name_f (loc_id, obj_name, old_attr_name, new_attr_name, hdferr, lapl_id)
 Renames an attribute.
 
subroutine h5arename_by_name_async_f (loc_id, obj_name, old_attr_name, new_attr_name, es_id, hdferr, lapl_id, file, func, line)
 Asynchronously renames an attribute.
 
subroutine h5aopen_f (obj_id, attr_name, attr_id, hdferr, aapl_id)
 Opens an attribute for an object specified by object identifier and attribute name.
 
subroutine h5aopen_async_f (obj_id, attr_name, attr_id, es_id, hdferr, aapl_id, file, func, line)
 Asynchronously opens an attribute for an object specified by object identifier and attribute name.
 
subroutine h5adelete_by_idx_f (loc_id, obj_name, idx_type, order, n, hdferr, lapl_id)
 Deletes an attribute from an object according to index order.
 
subroutine h5adelete_by_name_f (loc_id, obj_name, attr_name, hdferr, lapl_id)
 Removes an attribute from a specified location.
 
subroutine h5aopen_by_idx_f (loc_id, obj_name, idx_type, order, n, attr_id, hdferr, aapl_id, lapl_id)
 Opens an existing attribute that is attached to an object specified by location and name.
 
subroutine h5aopen_by_idx_async_f (loc_id, obj_name, idx_type, order, n, attr_id, es_id, hdferr, aapl_id, lapl_id, file, func, line)
 Asynchronously opens an existing attribute that is attached to an object specified by location and name.
 
subroutine h5aget_info_f (attr_id, f_corder_valid, corder, cset, data_size, hdferr)
 Retrieves attribute information, by attribute identifier.
 
subroutine h5aget_info_by_idx_f (loc_id, obj_name, idx_type, order, n, f_corder_valid, corder, cset, data_size, hdferr, lapl_id)
 Retrieves attribute information by attribute index position.
 
subroutine h5aget_info_by_name_f (loc_id, obj_name, attr_name, f_corder_valid, corder, cset, data_size, hdferr, lapl_id)
 Retrieves attribute information, by attribute name.
 
subroutine h5acreate_by_name_f (loc_id, obj_name, attr_name, type_id, space_id, attr, hdferr, acpl_id, aapl_id, lapl_id)
 Creates an attribute attached to a specified object.
 
subroutine h5acreate_by_name_async_f (loc_id, obj_name, attr_name, type_id, space_id, attr, es_id, hdferr, acpl_id, aapl_id, lapl_id, file, func, line)
 Asynchronously creates an attribute attached to a specified object.
 
subroutine h5aexists_f (obj_id, attr_name, attr_exists, hdferr)
 Determines whether an attribute with a given name exists on an object.
 
subroutine h5aexists_async_f (obj_id, attr_name, attr_exists, es_id, hdferr, file, func, line)
 Asynchronously determines whether an attribute with a given name exists on an object.
 
subroutine h5aexists_by_name_f (loc_id, obj_name, attr_name, attr_exists, hdferr, lapl_id)
 Determines whether an attribute with a given name exists on an object.
 
subroutine h5aexists_by_name_async_f (loc_id, obj_name, attr_name, attr_exists, es_id, hdferr, lapl_id, file, func, line)
 Asynchronously determines whether an attribute with a given name exists on an object.
 
subroutine h5aopen_by_name_f (loc_id, obj_name, attr_name, attr_id, hdferr, aapl_id, lapl_id)
 Opens an attribute for an object by object name and attribute name.
 
subroutine h5aopen_by_name_async_f (loc_id, obj_name, attr_name, attr_id, es_id, hdferr, aapl_id, lapl_id, file, func, line)
 Asynchronously opens an attribute for an object by object name and attribute name.
 
subroutine h5arename_f (loc_id, old_attr_name, new_attr_name, hdferr)
 Renames an attribute.
 
subroutine h5arename_async_f (loc_id, old_attr_name, new_attr_name, es_id, hdferr, file, func, line)
 Asynchronously renames an attribute.
 
subroutine h5aread_async_f (attr_id, memtype_id, buf, es_id, hdferr, file, func, line)
 Asynchronously reads an attribute.
 
subroutine h5awrite_async_f (attr_id, memtype_id, buf, es_id, hdferr, file, func, line)
 Asynchronously writes an attribute.
 
subroutine h5awrite_f (attr_id, memtype_id, buf, hdferr)
 Writes data to an attribute.
 
subroutine h5awrite_f (attr_id, memtype_id, buf, dims, hdferr)
 Writes data to an attribute.
 
subroutine h5aread_f (attr_id, memtype_id, buf, hdferr)
 Reads an attribute.
 
subroutine h5aread_f (attr_id, memtype_id, buf, dims, hdferr)
 Reads an attribute.
 

Function/Subroutine Documentation

◆ h5aclose_async_f()

subroutine h5aclose_async_f ( integer(hid_t), intent(in)  attr_id,
integer(hid_t), intent(in)  es_id,
integer, intent(out)  hdferr,
type(c_ptr), intent(in), optional  file,
type(c_ptr), intent(in), optional  func,
integer, intent(in), optional  line 
)

Asynchronously closes the specified attribute.

Parameters
attr_idAttribute identifier
es_idEvent set identifier
hdferrReturns 0 if successful and -1 if it fails.
filePointer to filename the async subroutine is being called from, filename must be null character terminated
funcPointer to function name the async subroutine is being called in, func must be null character terminated
lineLine number the async subroutine is being called at

See C API: H5Aclose_async()

◆ h5aclose_f()

subroutine h5aclose_f ( integer(hid_t), intent(in)  attr_id,
integer, intent(out)  hdferr 
)

Closes the specified attribute.

Parameters
attr_idAttribute identifier
hdferrReturns 0 if successful and -1 if it fails.

See C API: H5Aclose()

◆ h5acreate_async_f()

subroutine h5acreate_async_f ( integer(hid_t), intent(in)  loc_id,
character(len=*), intent(in)  name,
integer(hid_t), intent(in)  type_id,
integer(hid_t), intent(in)  space_id,
integer(hid_t), intent(out)  attr_id,
integer(hid_t), intent(in)  es_id,
integer, intent(out)  hdferr,
integer(hid_t), intent(in), optional  acpl_id,
integer(hid_t), intent(in), optional  aapl_id,
type(c_ptr), intent(in), optional  file,
type(c_ptr), intent(in), optional  func,
integer, intent(in), optional  line 
)

Asynchronously creates a dataset as an attribute of a group, dataset, or named datatype.

Parameters
loc_idIdentifier of an object (group, dataset, or named datatype) attribute is attached to
nameAttribute name
type_idAttribute datatype identifier
space_idAttribute dataspace identifier
attr_idAttribute identifier
es_idEvent set identifier
hdferrReturns 0 if successful and -1 if it fails.
acpl_idAttribute creation property list identifier
aapl_idAttribute access property list identifier
filePointer to filename the async subroutine is being called from, filename must be null character terminated
funcPointer to function name the async subroutine is being called in, func must be null character terminated
lineLine number the async subroutine is being called at

See C API: H5Acreate_async()

◆ h5acreate_by_name_async_f()

subroutine h5acreate_by_name_async_f ( integer(hid_t), intent(in)  loc_id,
character(len=*), intent(in)  obj_name,
character(len=*), intent(in)  attr_name,
integer(hid_t), intent(in)  type_id,
integer(hid_t), intent(in)  space_id,
integer(hid_t), intent(out)  attr,
integer(hid_t), intent(in)  es_id,
integer, intent(out)  hdferr,
integer(hid_t), intent(in), optional  acpl_id,
integer(hid_t), intent(in), optional  aapl_id,
integer(hid_t), intent(in), optional  lapl_id,
type(c_ptr), intent(in), optional  file,
type(c_ptr), intent(in), optional  func,
integer, intent(in), optional  line 
)

Asynchronously creates an attribute attached to a specified object.

Parameters
loc_idLocation or object identifier; may be dataset or group
obj_nameName, relative to loc_id, of object that attribute is to be attached to
attr_nameAttribute name
type_idAttribute datatype identifier
space_idAttribute dataspace identifier
attrAn attribute identifier
es_idEvent set identifier
hdferrReturns 0 if successful and -1 if it fails.
acpl_idAttribute creation property list identifier (Currently not used.)
aapl_idAttribute access property list identifier (Currently not used.)
lapl_idLink access property list
filePointer to filename the async subroutine is being called from, filename must be null character terminated
funcPointer to function name the async subroutine is being called in, func must be null character terminated
lineLine number the async subroutine is being called at

See C API: H5Acreate_by_name_async()

◆ h5acreate_by_name_f()

subroutine h5acreate_by_name_f ( integer(hid_t), intent(in)  loc_id,
character(len=*), intent(in)  obj_name,
character(len=*), intent(in)  attr_name,
integer(hid_t), intent(in)  type_id,
integer(hid_t), intent(in)  space_id,
integer(hid_t), intent(out)  attr,
integer, intent(out)  hdferr,
integer(hid_t), intent(in), optional  acpl_id,
integer(hid_t), intent(in), optional  aapl_id,
integer(hid_t), intent(in), optional  lapl_id 
)

Creates an attribute attached to a specified object.

Parameters
loc_idLocation or object identifier; may be dataset or group
obj_nameName, relative to loc_id, of object that attribute is to be attached to
attr_nameAttribute name
type_idAttribute datatype identifier
space_idAttribute dataspace identifier
attrAn attribute identifier
hdferrReturns 0 if successful and -1 if it fails.
acpl_idAttribute creation property list identifier (Currently not used.)
aapl_idAttribute access property list identifier (Currently not used.)
lapl_idLink access property list

See C API: H5Acreate_by_name()

◆ h5acreate_f()

subroutine h5acreate_f ( integer(hid_t), intent(in)  loc_id,
character(len=*), intent(in)  name,
integer(hid_t), intent(in)  type_id,
integer(hid_t), intent(in)  space_id,
integer(hid_t), intent(out)  attr_id,
integer, intent(out)  hdferr,
integer(hid_t), intent(in), optional  acpl_id,
integer(hid_t), intent(in), optional  aapl_id 
)

Creates a dataset as an attribute of a group, dataset, or named datatype.

Parameters
loc_idIdentifier of an object (group, dataset, or named datatype) attribute is attached to
nameAttribute name
type_idAttribute datatype identifier
space_idAttribute dataspace identifier
attr_idAttribute identifier
hdferrReturns 0 if successful and -1 if it fails.
acpl_idAttribute creation property list identifier
aapl_idAttribute access property list identifier

See C API: H5Acreate2()

◆ h5adelete_by_idx_f()

subroutine h5adelete_by_idx_f ( integer(hid_t), intent(in)  loc_id,
character(len=*), intent(in)  obj_name,
integer, intent(in)  idx_type,
integer, intent(in)  order,
integer(hsize_t), intent(in)  n,
integer, intent(out)  hdferr,
integer(hid_t), intent(in), optional  lapl_id 
)

Deletes an attribute from an object according to index order.

Parameters
loc_idLocation or object identifier; may be dataset or group or named datatype
obj_nameName of object, relative to location, from which attribute is to be removed
idx_typeType of index; Possible values are:
  • H5_INDEX_UNKNOWN_F = -1 - Unknown index type
  • H5_INDEX_NAME_F - Index on names
  • H5_INDEX_CRT_ORDER_F - Index on creation order
  • H5_INDEX_N_F - Number of indices defined
orderOrder in which to iterate over index; Possible values are:
  • H5_ITER_UNKNOWN_F - Unknown order
  • H5_ITER_INC_F - Increasing order
  • H5_ITER_DEC_F - Decreasing order
  • H5_ITER_NATIVE_F - No particular order, whatever is fastest
  • H5_ITER_N_F - Number of iteration orders
nOffset within index
hdferrReturns 0 if successful and -1 if it fails.
lapl_idLink access property list

See C API: H5Adelete_by_idx()

◆ h5adelete_by_name_f()

subroutine h5adelete_by_name_f ( integer(hid_t), intent(in)  loc_id,
character(len=*), intent(in)  obj_name,
character(len=*), intent(in)  attr_name,
integer, intent(out)  hdferr,
integer(hid_t), intent(in), optional  lapl_id 
)

Removes an attribute from a specified location.

Parameters
loc_idIdentifier for object to which attribute is attached
obj_nameName of attribute to open
attr_nameAttribute access property list
lapl_idLink access property list
hdferrReturns 0 if successful and -1 if it fails.

See C API: H5Adelete_by_name()

◆ h5adelete_f()

subroutine h5adelete_f ( integer(hid_t), intent(in)  obj_id,
character(len=*), intent(in)  name,
integer, intent(out)  hdferr 
)

Deletes an attribute of an object (group, dataset or named datatype)

Parameters
obj_idObject identifier
nameAttribute name
hdferrReturns 0 if successful and -1 if it fails.

See C API: H5Adelete()

◆ h5aexists_async_f()

subroutine h5aexists_async_f ( integer(hid_t), intent(in)  obj_id,
character(len=*), intent(in)  attr_name,
type(c_ptr), intent(in)  attr_exists,
integer(hid_t), intent(in)  es_id,
integer, intent(out)  hdferr,
type(c_ptr), intent(in), optional  file,
type(c_ptr), intent(in), optional  func,
integer, intent(in), optional  line 
)

Asynchronously determines whether an attribute with a given name exists on an object.

Parameters
obj_idObject identifier
attr_nameAttribute name
attr_existsPointer to attribute exists status. It should be declared INTEGER(C_INT) and initialized to zero (false) for portability. It will return one when true. LOGICAL(C_BOOL) is also acceptable but may encounter atypical anomalies. It should be initialized to false when used.
es_idEvent set identifier
hdferrReturns 0 if successful and -1 if it fails.
filePointer to filename the async subroutine is being called from, filename must be null character terminated
funcPointer to function name the async subroutine is being called in, func must be null character terminated
lineLine number the async subroutine is being called at

See C API: H5Aexists_async()

◆ h5aexists_by_name_async_f()

subroutine h5aexists_by_name_async_f ( integer (hid_t), intent(in)  loc_id,
character(len=*), intent(in)  obj_name,
character(len=*), intent(in)  attr_name,
type(c_ptr), intent(in)  attr_exists,
integer (hid_t), intent(in)  es_id,
integer, intent(out)  hdferr,
integer (hid_t), intent(in), optional  lapl_id,
type(c_ptr), intent(in), optional  file,
type(c_ptr), intent(in), optional  func,
integer, intent(in), optional  line 
)

Asynchronously determines whether an attribute with a given name exists on an object.

Parameters
loc_idLocation identifier
obj_nameObject name either relative to loc_id, absolute from the file's root group, or '. '(a dot)
attr_nameAttribute name
attr_existsPointer to attribute exists status, must be of type LOGICAL(C_BOOL) and initialize to .FALSE.
es_idEvent set identifier
hdferrReturns 0 if successful and -1 if it fails.
lapl_idLink access property list identifier
filePointer to filename the async subroutine is being called from, filename must be null character terminated
funcPointer to function name the async subroutine is being called in, func must be null character terminated
lineLine number the async subroutine is being called at

See C API: H5Aexists_by_name_async()

◆ h5aexists_by_name_f()

subroutine h5aexists_by_name_f ( integer(hid_t), intent(in)  loc_id,
character(len=*), intent(in)  obj_name,
character(len=*), intent(in)  attr_name,
logical, intent(out)  attr_exists,
integer, intent(out)  hdferr,
integer(hid_t), intent(in), optional  lapl_id 
)

Determines whether an attribute with a given name exists on an object.

Parameters
loc_idLocation identifier
obj_nameObject name either relative to loc_id, absolute from the file's root group, or '. '(a dot)
attr_nameAttribute name
attr_existsAttribute exists status
hdferrReturns 0 if successful and -1 if it fails.
lapl_idLink access property list identifier

See C API: H5Aexists_by_name()

◆ h5aexists_f()

subroutine h5aexists_f ( integer(hid_t), intent(in)  obj_id,
character(len=*), intent(in)  attr_name,
logical, intent(out)  attr_exists,
integer, intent(out)  hdferr 
)

Determines whether an attribute with a given name exists on an object.

Parameters
obj_idObject identifier
attr_nameAttribute name
attr_existsAttribute exists status
hdferrReturns 0 if successful and -1 if it fails.

See C API: H5Aexists()

◆ h5aget_create_plist_f()

subroutine h5aget_create_plist_f ( integer(hid_t), intent(in)  attr_id,
integer(hid_t), intent(out)  creation_prop_id,
integer, intent(out)  hdferr 
)

Gets an attribute creation property list identifier.

Parameters
attr_idIdentifier of the attribute
creation_prop_idIdentifier for the attribute's creation property
hdferrReturns 0 if successful and -1 if it fails.

See C API: H5Aget_create_plist()

◆ h5aget_info_by_idx_f()

subroutine h5aget_info_by_idx_f ( integer(hid_t), intent(in)  loc_id,
character(len=*), intent(in)  obj_name,
integer, intent(in)  idx_type,
integer, intent(in)  order,
integer(hsize_t), intent(in)  n,
logical, intent(out)  f_corder_valid,
integer, intent(out)  corder,
integer, intent(out)  cset,
integer(hsize_t), intent(out)  data_size,
integer, intent(out)  hdferr,
integer(hid_t), intent(in), optional  lapl_id 
)

Retrieves attribute information by attribute index position.

Parameters
loc_idLocation of object to which attribute is attached
obj_nameName of object to which attribute is attached, relative to location
idx_typeType of index
orderIndex traversal order
nAttribute's position in index
f_corder_validIndicates whether the creation order data is valid for this attribute
corderIs a positive integer containing the creation order of the attribute
csetIndicates the character set used for the attribute's name
data_sizeIndicates the size, in the number of characters, of the attribute
hdferrReturns 0 if successful and -1 if it fails.
lapl_idLink access property list

See C API: H5Aget_info_by_idx()

◆ h5aget_info_by_name_f()

subroutine h5aget_info_by_name_f ( integer(hid_t), intent(in)  loc_id,
character(len=*), intent(in)  obj_name,
character(len=*), intent(in)  attr_name,
logical, intent(out)  f_corder_valid,
integer, intent(out)  corder,
integer, intent(out)  cset,
integer(hsize_t), intent(out)  data_size,
integer, intent(out)  hdferr,
integer(hid_t), intent(in), optional  lapl_id 
)

Retrieves attribute information, by attribute name.

Parameters
loc_idLocation of object to which attribute is attached
obj_nameName of object to which attribute is attached, relative to location
attr_nameAttribute name
f_corder_validIndicates whether the creation order data is valid for this attribute
corderIs a positive integer containing the creation order of the attribute
csetIndicates the character set used for the attribute's name
data_sizeIndicates the size, in the number of characters, of the attribute
hdferrReturns 0 if successful and -1 if it fails.
lapl_idLink access property list

See C API: H5Aget_info_by_name()

◆ h5aget_info_f()

subroutine h5aget_info_f ( integer(hid_t), intent(in)  attr_id,
logical, intent(out)  f_corder_valid,
integer, intent(out)  corder,
integer, intent(out)  cset,
integer(hsize_t), intent(out)  data_size,
integer, intent(out)  hdferr 
)

Retrieves attribute information, by attribute identifier.

Parameters
attr_idAttribute identifier. NOTE: In C it is defined as a structure: H5A_info_t.
f_corder_validIndicates whether the creation order data is valid for this attribute.
corderIs a positive integer containing the creation order of the attribute.
csetIndicates the character set used for the attribute's name.
data_sizeIndicates the size, in the number of characters, of the attribute.
hdferrReturns 0 if successful and -1 if it fails.

See C API: H5Aget_info()

◆ h5aget_name_by_idx_f()

subroutine h5aget_name_by_idx_f ( integer(hid_t), intent(in)  loc_id,
character(len=*), intent(in)  obj_name,
integer, intent(in)  idx_type,
integer, intent(in)  order,
integer(hsize_t), intent(in)  n,
character(len=*), intent(out)  name,
integer, intent(out)  hdferr,
integer(size_t), intent(out), optional  size,
integer(hid_t), intent(in), optional  lapl_id 
)

Gets an attribute name, by attribute index position.

Parameters
loc_idLocation of object to which attribute is attached
obj_nameName of object to which attribute is attached, relative to location
idx_typeType of index; Possible values are:
  • H5_INDEX_UNKNOWN_F = -1 - Unknown index type
  • H5_INDEX_NAME_F - Index on names
  • H5_INDEX_CRT_ORDER_F - Index on creation order
  • H5_INDEX_N_F - Number of indices defined
orderIndex traversal order in which to iterate over index; Possible values are:
  • H5_ITER_UNKNOWN_F - Unknown order
  • H5_ITER_INC_F - Increasing order
  • H5_ITER_DEC_F - Decreasing order
  • H5_ITER_NATIVE_F - No particular order, whatever is fastest
  • H5_ITER_N_F - Number of iteration orders
nAttribute's position in index
nameAttribute name
hdferrReturns 0 if successful and -1 if it fails.
sizeSize, in bytes, of attribute name
lapl_idLink access property list

See C API: H5Aget_name_by_idx()

◆ h5aget_name_f()

subroutine h5aget_name_f ( integer(hid_t), intent(in)  attr_id,
integer(size_t), intent(in)  size,
character(len=*), intent(inout)  buf,
integer, intent(out)  hdferr 
)

Gets an attribute name.

Parameters
attr_idAttribute identifier
sizeSize of a buffer to read name in
bufBuffer to read name in
hdferrReturns 0 if successful and -1 if it fails.

See C API: H5Aget_name()

◆ h5aget_num_attrs_f()

subroutine h5aget_num_attrs_f ( integer(hid_t), intent(in)  obj_id,
integer, intent(out)  attr_num,
integer, intent(out)  hdferr 
)

Determines the number of attributes attached to an object.

Parameters
obj_idObject (group, dataset, or named datatype) identifier
attr_numNumber of attributes attached to the object
hdferrReturns 0 if successful and -1 if it fails.

See C API: H5Aget_num_attrs()

◆ h5aget_space_f()

subroutine h5aget_space_f ( integer(hid_t), intent(in)  attr_id,
integer(hid_t), intent(out)  space_id,
integer, intent(out)  hdferr 
)

Gets a copy of the dataspace for an attribute.

Parameters
attr_idAttribute identifier
space_idAttribite dataspace identifier
hdferrReturns 0 if successful and -1 if it fails.

See C API: H5Aget_space()

◆ h5aget_storage_size_f()

subroutine h5aget_storage_size_f ( integer(hid_t), intent(in)  attr_id,
integer(hsize_t), intent(out)  size,
integer, intent(out)  hdferr 
)

Returns the amount of storage required for an attribute.

Parameters
attr_idAttribute identifier
sizeAttribute storage size
hdferrReturns 0 if successful and -1 if it fails.

See C API: H5Aget_storage_size()

◆ h5aget_type_f()

subroutine h5aget_type_f ( integer(hid_t), intent(in)  attr_id,
integer(hid_t), intent(out)  type_id,
integer, intent(out)  hdferr 
)

Gets an attribute datatype.

Parameters
attr_idAttribute identifier
type_idAttribute datatype identifier
hdferrReturns 0 if successful and -1 if it fails.

See C API: H5Aget_type()

◆ h5aopen_async_f()

subroutine h5aopen_async_f ( integer(hid_t), intent(in)  obj_id,
character(len=*), intent(in)  attr_name,
integer(hid_t), intent(out)  attr_id,
integer(hid_t), intent(in)  es_id,
integer, intent(out)  hdferr,
integer(hid_t), intent(in), optional  aapl_id,
type(c_ptr), intent(in), optional  file,
type(c_ptr), intent(in), optional  func,
integer, intent(in), optional  line 
)

Asynchronously opens an attribute for an object specified by object identifier and attribute name.

Parameters
obj_idIdentifier for object to which attribute is attached
attr_nameName of attribute to open
attr_idAttribute identifier
es_idEvent set identifier
hdferrReturns 0 if successful and -1 if it fails.
aapl_idAttribute access property list
filePointer to filename the async subroutine is being called from, filename must be null character terminated
funcPointer to function name the async subroutine is being called in, func must be null character terminated
lineLine number the async subroutine is being called at

See C API: H5Aopen_async()

◆ h5aopen_by_idx_async_f()

subroutine h5aopen_by_idx_async_f ( integer(hid_t), intent(in)  loc_id,
character(len=*), intent(in)  obj_name,
integer, intent(in)  idx_type,
integer, intent(in)  order,
integer(hsize_t), intent(in)  n,
integer(hid_t), intent(out)  attr_id,
integer(hid_t), intent(in)  es_id,
integer, intent(out)  hdferr,
integer(hid_t), intent(in), optional  aapl_id,
integer(hid_t), intent(in), optional  lapl_id,
type(c_ptr), intent(in), optional  file,
type(c_ptr), intent(in), optional  func,
integer, intent(in), optional  line 
)

Asynchronously opens an existing attribute that is attached to an object specified by location and name.

Parameters
loc_idLocation of object to which attribute is attached.
obj_nameName of object to which attribute is attached, relative to location.
idx_typeType of index; Possible values are:
  • H5_INDEX_UNKNOWN_F = -1 - Unknown index type
  • H5_INDEX_NAME_F - Index on names
  • H5_INDEX_CRT_ORDER_F - Index on creation order
  • H5_INDEX_N_F - Number of indices defined
orderOrder in which to iterate over index; Possible values are:
  • H5_ITER_UNKNOWN_F - Unknown order
  • H5_ITER_INC_F - Increasing order
  • H5_ITER_DEC_F - Decreasing order
  • H5_ITER_NATIVE_F - No particular order, whatever is fastest
  • H5_ITER_N_F - Number of iteration orders
nAttribute's position in index.
attr_idAttribute identifier.
es_idEvent set identifier
hdferrReturns 0 if successful and -1 if it fails.
aapl_idAttribute access property list.
lapl_idLink access property list.
filePointer to filename the async subroutine is being called from, filename must be null character terminated
funcPointer to function name the async subroutine is being called in, func must be null character terminated
lineLine number the async subroutine is being called at

See C API: H5Aopen_by_idx_async()

◆ h5aopen_by_idx_f()

subroutine h5aopen_by_idx_f ( integer(hid_t), intent(in)  loc_id,
character(len=*), intent(in)  obj_name,
integer, intent(in)  idx_type,
integer, intent(in)  order,
integer(hsize_t), intent(in)  n,
integer(hid_t), intent(out)  attr_id,
integer, intent(out)  hdferr,
integer(hid_t), intent(in), optional  aapl_id,
integer(hid_t), intent(in), optional  lapl_id 
)

Opens an existing attribute that is attached to an object specified by location and name.

Parameters
loc_idLocation of object to which attribute is attached.
obj_nameName of object to which attribute is attached, relative to location.
idx_typeType of index; Possible values are:
  • H5_INDEX_UNKNOWN_F = -1 - Unknown index type
  • H5_INDEX_NAME_F - Index on names
  • H5_INDEX_CRT_ORDER_F - Index on creation order
  • H5_INDEX_N_F - Number of indices defined
orderOrder in which to iterate over index; Possible values are:
  • H5_ITER_UNKNOWN_F - Unknown order
  • H5_ITER_INC_F - Increasing order
  • H5_ITER_DEC_F - Decreasing order
  • H5_ITER_NATIVE_F - No particular order, whatever is fastest
  • H5_ITER_N_F - Number of iteration orders
nAttribute's position in index.
attr_idAttribute identifier.
hdferrReturns 0 if successful and -1 if it fails.
aapl_idAttribute access property list.
lapl_idLink access property list.

See C API: H5Aopen_by_idx()

◆ h5aopen_by_name_async_f()

subroutine h5aopen_by_name_async_f ( integer(hid_t), intent(in)  loc_id,
character(len=*), intent(in)  obj_name,
character(len=*), intent(in)  attr_name,
integer(hid_t), intent(out)  attr_id,
integer(hid_t), intent(in)  es_id,
integer, intent(out)  hdferr,
integer(hid_t), intent(in), optional  aapl_id,
integer(hid_t), intent(in), optional  lapl_id,
type(c_ptr), intent(in), optional  file,
type(c_ptr), intent(in), optional  func,
integer, intent(in), optional  line 
)

Asynchronously opens an attribute for an object by object name and attribute name.

Parameters
loc_idLocation from which to find object to which attribute is attached
obj_nameObject name either relative to loc_id, absolute from the file's root group, or '.' (a dot)
attr_nameAttribute name
attr_idAttribute identifier
es_idEvent set identifier
hdferrReturns 0 if successful and -1 if it fails.
aapl_idAttribute access property list (Currently unused; should be passed in as H5P_DEFAULT.)
lapl_idLink access property list identifier
filePointer to filename the async subroutine is being called from, filename must be null character terminated
funcPointer to function name the async subroutine is being called in, func must be null character terminated
lineLine number the async subroutine is being called at

See C API: H5Aopen_by_name_async()

◆ h5aopen_by_name_f()

subroutine h5aopen_by_name_f ( integer(hid_t), intent(in)  loc_id,
character(len=*), intent(in)  obj_name,
character(len=*), intent(in)  attr_name,
integer(hid_t), intent(out)  attr_id,
integer, intent(out)  hdferr,
integer(hid_t), intent(in), optional  aapl_id,
integer(hid_t), intent(in), optional  lapl_id 
)

Opens an attribute for an object by object name and attribute name.

Parameters
loc_idLocation from which to find object to which attribute is attached
obj_nameObject name either relative to loc_id, absolute from the file's root group, or '.' (a dot)
attr_nameAttribute name
attr_idAttribute identifier
hdferrReturns 0 if successful and -1 if it fails.
aapl_idAttribute access property list (Currently unused; should be passed in as H5P_DEFAULT.)
lapl_idLink access property list identifier

See C API: H5Aopen_by_name()

◆ h5aopen_f()

subroutine h5aopen_f ( integer(hid_t), intent(in)  obj_id,
character(len=*), intent(in)  attr_name,
integer(hid_t), intent(out)  attr_id,
integer, intent(out)  hdferr,
integer(hid_t), intent(in), optional  aapl_id 
)

Opens an attribute for an object specified by object identifier and attribute name.

Parameters
obj_idIdentifier for object to which attribute is attached
attr_nameName of attribute to open
attr_idAttribute identifier
hdferrReturns 0 if successful and -1 if it fails.
aapl_idAttribute access property list

See C API: H5Aopen()

◆ h5aopen_idx_f()

subroutine h5aopen_idx_f ( integer(hid_t), intent(in)  obj_id,
integer, intent(in)  index,
integer(hid_t), intent(out)  attr_id,
integer, intent(out)  hdferr 
)

Opens the attribute specified by its index.

Deprecated:
Superseded by H5Aopen_by_idx_f().
Parameters
obj_idIdentifier of a group, dataset, or named datatype an attribute to be attached to
indexIndex of the attribute to open (zero-based)
attr_idAttribute identifier
hdferrReturns 0 if successful and -1 if it fails.

See C API: H5Aopen_idx()

◆ h5aopen_name_f()

subroutine h5aopen_name_f ( integer(hid_t), intent(in)  obj_id,
character(len=*), intent(in)  name,
integer(hid_t), intent(out)  attr_id,
integer, intent(out)  hdferr 
)

Opens an attribute specified by name.

Parameters
obj_idIdentifier of a group, dataset, or named datatype attribute to be attached to
nameAttribute name
attr_idAttribute identifier
hdferrReturns 0 if successful and -1 if it fails.

See C API: H5Aopen_name()

◆ h5aread_async_f()

subroutine h5aread_async_f ( integer(hid_t), intent(in)  attr_id,
integer(hid_t), intent(in)  memtype_id,
type(c_ptr), intent(in)  buf,
integer(hid_t), intent(in)  es_id,
integer, intent(out)  hdferr,
type(c_ptr), intent(in), optional  file,
type(c_ptr), intent(in), optional  func,
integer, intent(in), optional  line 
)

Asynchronously reads an attribute.

Parameters
attr_idIdentifier of an attribute to read.
memtype_idIdentifier of the attribute datatype (in memory).
bufBuffer for data to be read.
es_idEvent set identifier
hdferrReturns 0 if successful and -1 if it fails.
filePointer to filename the async subroutine is being called from, filename must be null character terminated
funcPointer to function name the async subroutine is being called in, func must be null character terminated
lineLine number the async subroutine is being called at

See C API: H5Aread_async()

◆ h5aread_f() [1/2]

subroutine h5aread_f ( integer(hid_t), intent(in)  attr_id,
integer(hid_t), intent(in)  memtype_id,
type(type), intent(inout)  buf,
integer(hsize_t), dimension(*), intent(in)  dims,
integer, intent(out)  hdferr 
)

Reads an attribute.

Attention
Obsolete API, use the Fortran 2003 version instead.
Parameters
attr_idIdentifier of an attribute to read.
memtype_idIdentifier of the attribute datatype (in memory).
bufBuffer for data to be read.
dimsArray to hold corresponding dimension sizes of data buffer buf; dim(k) has value of the k-th dimension of buffer buf; values are ignored if buf is a scalar.
hdferrReturns 0 if successful and -1 if it fails.

See C API: H5Aread()

◆ h5aread_f() [2/2]

subroutine h5aread_f ( integer(hid_t), intent(in)  attr_id,
integer(hid_t), intent(in)  memtype_id,
type(c_ptr), intent(in)  buf,
integer, intent(out)  hdferr 
)

Reads an attribute.

Attention
The preferred API, Fortran 2003 version.
Parameters
attr_idIdentifier of an attribute to read.
memtype_idIdentifier of the attribute datatype (in memory).
bufBuffer for data to be read.
hdferrReturns 0 if successful and -1 if it fails.

See C API: H5Aread()

◆ h5arename_async_f()

subroutine h5arename_async_f ( integer(hid_t), intent(in)  loc_id,
character(len=*), intent(in)  old_attr_name,
character(len=*), intent(in)  new_attr_name,
integer(hid_t), intent(in)  es_id,
integer, intent(out)  hdferr,
type(c_ptr), intent(in), optional  file,
type(c_ptr), intent(in), optional  func,
integer, intent(in), optional  line 
)

Asynchronously renames an attribute.

Parameters
loc_idLocation or object identifier; may be dataset or group
old_attr_namePrior attribute name
new_attr_nameNew attribute name
es_idEvent set identifier
hdferrReturns 0 if successful and -1 if it fails.
filePointer to filename the async subroutine is being called from, filename must be null character terminated
funcPointer to function name the async subroutine is being called in, func must be null character terminated
lineLine number the async subroutine is being called at

See C API: H5Arename_async()

◆ h5arename_by_name_async_f()

subroutine h5arename_by_name_async_f ( integer(hid_t), intent(in)  loc_id,
character(len=*), intent(in)  obj_name,
character(len=*), intent(in)  old_attr_name,
character(len=*), intent(in)  new_attr_name,
integer(hid_t), intent(in)  es_id,
integer, intent(out)  hdferr,
integer(hid_t), intent(in), optional  lapl_id,
type(c_ptr), intent(in), optional  file,
type(c_ptr), intent(in), optional  func,
integer, intent(in), optional  line 
)

Asynchronously renames an attribute.

Parameters
loc_idLocation or object identifier; may be dataset or group or named datatype
obj_nameName of object, relative to location, whose attribute is to be renamed
old_attr_namePrior attribute name
new_attr_nameNew attribute name
es_idEvent set identifier
hdferrReturns 0 if successful and -1 if it fails.
lapl_idLink access property list identifier
filePointer to filename the async subroutine is being called from, filename must be null character terminated
funcPointer to function name the async subroutine is being called in, func must be null character terminated
lineLine number the async subroutine is being called at

See C API: H5Arename_by_name()

◆ h5arename_by_name_f()

subroutine h5arename_by_name_f ( integer(hid_t), intent(in)  loc_id,
character(len=*), intent(in)  obj_name,
character(len=*), intent(in)  old_attr_name,
character(len=*), intent(in)  new_attr_name,
integer, intent(out)  hdferr,
integer(hid_t), intent(in), optional  lapl_id 
)

Renames an attribute.

Parameters
loc_idLocation or object identifier; may be dataset or group or named datatype
obj_nameName of object, relative to location, whose attribute is to be renamed
old_attr_namePrior attribute name
new_attr_nameNew attribute name
hdferrReturns 0 if successful and -1 if it fails.
lapl_idLink access property list identifier

See C API: H5Arename_by_name()

◆ h5arename_f()

subroutine h5arename_f ( integer(hid_t), intent(in)  loc_id,
character(len=*), intent(in)  old_attr_name,
character(len=*), intent(in)  new_attr_name,
integer, intent(out)  hdferr 
)

Renames an attribute.

Parameters
loc_idLocation or object identifier; may be dataset or group
old_attr_namePrior attribute name
new_attr_nameNew attribute name
hdferrReturns 0 if successful and -1 if it fails.

See C API: H5Arename()

◆ h5awrite_async_f()

subroutine h5awrite_async_f ( integer(hid_t), intent(in)  attr_id,
integer(hid_t), intent(in)  memtype_id,
type(c_ptr), intent(in)  buf,
integer(hid_t), intent(in)  es_id,
integer, intent(out)  hdferr,
type(c_ptr), optional  file,
type(c_ptr), optional  func,
integer, intent(in), optional  line 
)

Asynchronously writes an attribute.

Parameters
attr_idIdentifier of an attribute to read.
memtype_idIdentifier of the attribute datatype (in memory).
bufData to be written.
es_idEvent set identifier
hdferrReturns 0 if successful and -1 if it fails.
filePointer to filename the async subroutine is being called from, filename must be null character terminated
funcPointer to function name the async subroutine is being called in, func must be null character terminated
lineLine number the async subroutine is being called at

See C API: H5Awrite_async()

◆ h5awrite_f() [1/2]

subroutine h5awrite_f ( integer(hid_t), intent(in)  attr_id,
integer(hid_t), intent(in)  memtype_id,
type(type), intent(in)  buf,
integer(hsize_t), dimension(*), intent(in)  dims,
integer, intent(out)  hdferr 
)

Writes data to an attribute.

Attention
Obsolete API, use the Fortran 2003 version instead.
Parameters
attr_idIdentifier of an attribute to write.
memtype_idIdentifier of the attribute datatype (in memory).
bufData buffer; may be a scalar or an array.
dimsArray to hold corresponding dimension sizes of data buffer buf; dim(k) has value of the k-th dimension of buffer buf; values are ignored if buf is a scalar.
hdferrReturns 0 if successful and -1 if it fails.

See C API: H5Awrite()

◆ h5awrite_f() [2/2]

subroutine h5awrite_f ( integer(hid_t), intent(in)  attr_id,
integer(hid_t), intent(in)  memtype_id,
type(c_ptr), intent(in)  buf,
integer, intent(out)  hdferr 
)

Writes data to an attribute.

Attention
The preferred API, Fortran 2003 version.
Parameters
attr_idIdentifier of an attribute to write.
memtype_idIdentifier of the attribute datatype (in memory).
bufData to be written.
hdferrReturns 0 if successful and -1 if it fails.

See C API: H5Awrite()