mirror of
https://github.com/HDFGroup/hdf5.git
synced 2024-12-03 02:32:04 +08:00
e1792ebb22
Bug fix
Description:
Variable length strings and sequences with NULL pointers were not handled
by library, causing problems access the data. This also affected fill values
for variable-length datatypes.
Solution:
Address the issues in the library by detecting NULL sequences/strings
and avoid trying to convert them.
Patched up dumper to display NULL sequences/strings.
Platforms tested:
FreeBSD 4.9 (sleipnir)
h5committest
58 lines
2.3 KiB
XML
58 lines
2.3 KiB
XML
#############################
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Expected output for 'h5dump --xml tvlstr.h5'
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#############################
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<?xml version="1.0" encoding="UTF-8"?>
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<hdf5:HDF5-File xmlns:hdf5="http://hdf.ncsa.uiuc.edu/DTDs/HDF5-File" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://hdf.ncsa.uiuc.edu/DTDs/HDF5File http://hdf.ncsa.uiuc.edu/DTDs/HDF5-File.xsd">
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<hdf5:RootGroup OBJ-XID="xid_928" H5Path="/">
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<hdf5:Attribute Name="test_scalar">
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<hdf5:Dataspace>
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<hdf5:ScalarDataspace />
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</hdf5:Dataspace>
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<hdf5:NamedDataTypePtr OBJ-XID="xid_1576" H5Path="/vl_string_type" />
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<hdf5:Data>
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<hdf5:DataFromFile>
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"This is the string for the attribute"
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</hdf5:DataFromFile>
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</hdf5:Data>
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</hdf5:Attribute>
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<hdf5:NamedDataType Name="vl_string_type" OBJ-XID="xid_1576" H5Path="/vl_string_type" Parents="xid_928" H5ParentPaths="/">
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<hdf5:DataType>
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<hdf5:AtomicType>
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<hdf5:StringType Cset="H5T_CSET_ASCII" StrSize="H5T_VARIABLE" StrPad="H5T_STR_NULLPAD"/>
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</hdf5:AtomicType>
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</hdf5:DataType>
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</hdf5:NamedDataType>
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<hdf5:Dataset Name="Dataset1" OBJ-XID="xid_976" H5Path= "/Dataset1" Parents="xid_928" H5ParentPaths="/">
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<hdf5:StorageLayout>
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<hdf5:ContiguousLayout/>
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</hdf5:StorageLayout>
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<hdf5:FillValueInfo FillTime="FillOnAlloc" AllocationTime="Late">
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<hdf5:FillValue>
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<hdf5:Data>
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<!-- String fill values not yet implemented. -->
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<hdf5:NoData />
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</hdf5:Data>
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</hdf5:FillValue>
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</hdf5:FillValueInfo>
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<hdf5:Dataspace>
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<hdf5:SimpleDataspace Ndims="1">
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<hdf5:Dimension DimSize="4" MaxDimSize="4"/>
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</hdf5:SimpleDataspace>
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</hdf5:Dataspace>
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<hdf5:DataType>
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<hdf5:AtomicType>
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<hdf5:StringType Cset="H5T_CSET_ASCII" StrSize="H5T_VARIABLE" StrPad="H5T_STR_NULLTERM"/>
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</hdf5:AtomicType>
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</hdf5:DataType>
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<hdf5:Data>
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<hdf5:DataFromFile>
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"Four score and seven years ago our forefathers brought forth on this continent a new nation,"
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"conceived in liberty and dedicated to the proposition that all men are created equal."
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""
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NULL
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</hdf5:DataFromFile>
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</hdf5:Data>
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</hdf5:Dataset>
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</hdf5:RootGroup>
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</hdf5:HDF5-File>
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