Purpose: change feature
Description: Back up support bitfield and time datatypes in H5Tget_native_type.Leave it to future support. Let it return "not supported" error message for
now.
Platforms tested: h5committest and fuss.
Misc. update: RELEASE.txt
Bug fix
Description:
Relax restrictions on parallel I/O to allow compressed, chunked datasets
to be read in parallel (collective access will be degraded to independent
access, but will retrieve the information still).
Platforms tested:
FreeBSD 4.10 (sleipnir) w/parallel
Solaris 2.7 (arabica)
IRIX64 6.5 (modi4)
h5committest
Description: enable size adjustment for compound datatype. The size
can be increased and decreased(as long as the last member isn't cut).
Solution: mainly check if the last member is being cut when decreasing
the size. Others are simply taking out assertion to enable this feature.
Platforms tested: h5committest and fuss.
Misc. update: RELEASE.txt
Bug fix.
Description:
Fix off-by-one error in Core VFL driver which would cause spurious address
or size overflow errors when an odd valued address or size was checked.
Platforms tested:
FreeBSD 4.10 (sleipnir)
Linux 2.4 (heping)
Solaris 2.7 (arabica)
Update release_docs/RELEASE.txt to describe options for dealing
with installations which insert extra text in output, thereby
breaking tests which function by comparing output with an exemplar.
Description:
See above.
Solution:
Add discussion of this possible problem, and listed two possible
solutions:
1) "setenv HDF5_Make_Ignore yes" and then score "failed" tests
by hand.
2) Use the RUNSERIAL environment variable to use a filter script
to filter out the extra text.
Platforms tested:
No testing needed.
Misc. update:
Bug fix
Description:
Correct typedef for dataset region references to avoid struct alignment
issues on Crays.
Solution:
Change the typedef for hdset_reg_ref_t from a struct to an array of
unsigned char's of the correct size and propagate the appropriate adjustments
around the code.
Platforms tested:
FreeBSD 4.10 (sleipnir)
Linux 2.4 (verbena) w/fortran
Cray T90 (subzero) w/fortran
Cray SV1 (wind) w/fortran & parallel
Cray T3E (cyclone) w/fortran & parallel
Description: Restore 6 old error API functions back to the library to be backward
compatible with v1.6. They are H5Epush, H5Eprint, H5Ewalk, H5Eclear, H5Eset_auto,
H5Eget_auto. These functions do not have error stack as parameter.
Solution: Internally, these functions use default error stack.
Platforms tested: h5committest and fuss.
Misc. update: RELEASE.txt
Bug fix (sorta)
Description:
Change reading of "missing" chunks from datasets with undefined fill
values to not overwrite the application buffer with random garbage from
memory. Note that this is almost the same, since whatever garbage the
application had in those locations will still be there...
Platforms tested:
FreeBSD 4.10 (sleipnir)
IRIX64 6.5 (modi4)
h5committested
Description: Added PGI Fortran support for Linux64 systems (x86_64)
Solution:
Platforms tested: AMD Opteron box at AMD Sunnyvale and verbena
with PGI and gcc compilers.
Misc. update:
Bug fix
Description:
Correct possible core dump when a datatype conversion function is
registered with the library after a compound datatype has been converted
(having it's type conversion information cached by the library). The compound
datatype must have been created by inserting the fields in non-increasing
offset order to see the bug.
Solution:
Re-sort the fields in the compound datatypes before recalculating the
cached information when performing the conversion on them.
Platforms tested:
FreeBSD 4.10 (sleipnir)
h5committested
Bug fix
Description:
Correct buffer overrun in "multi" VFL driver that was writing past the
end of the "driver name" buffer when encoding the driver info block for the
file's superblock.
Platforms tested:
FreeBSD 4.10 (sleipnir)
Too minor to require h5committest
Bug fix.
Description:
Address two problems:
- The computation of the scanline in the szip filter was being
performed in the "can apply" callback routine instead of the
"set local" routine.
- The routine which allocated all the chunks for an entire dataset
(which is invoked when the allocation time is early or late,
rather than incremental) wasn't recording a failed filter in
the information for the chunk, causing the library to believe
that the chunk had the filter applied when it really hadn't.
Solution:
- Move the scanline computation to the "set local" callback.
- Record the filter mask with each chunk created when allocating them.
Platforms tested:
FreeBSD 4.10 (sleipnir) w/szip
Too obscure to require h5committest
Description: Added support for Absoft Fortran compiler
Solution: Modified configuration file to check which Fortran compiler is used
and set appropriate flags.
Platforms tested: verbena with pgf90 and Absoft f95 compilers
Misc. update:
Bug fix
Description:
Allow I/O on extendible chunked datasets with (currently) zero-sized
dimensions to proceed harmlessly instead of dumping core on an assertion.
Solution:
Removed assertion and added checks to avoid problem situation in H5TB_end
Platforms tested:
FreeBSD 4.10 (sleipnir) w/ & w/o parallel
Too minor to require h5committest
Bug fix
Description:
Always write fill values to chunks when initializing entire B-tree and
any filters are defined.
Platforms tested:
FreeBSD 4.10 (sleipnir) w/parallel
Solaris 2.7 (arabica)
Too minor to require h5committest
Purpose: Maintenance for MAC OSX
Description: Added support for Absoft Fortran compiler f95;
Ddefault compiler is set to IBM xlf.
Solution:
Platforms tested: pommier with xlf and Absoft f95 compilers
Misc. update:
Code cleanup, sorta
Description:
Added ifdef sections for "H5_USING_PURIFY" in various places in the code,
which are designed to reduce the spurious "uninitialized memory read" warnings
from purify which are actually OK. Note that this macro will have to be
turned on by adding it to the CFLAGS for the build - I didn't think it was
important enough to add a configure flag for.
Also, the changes in H5HG.c optimize the walks through the objects in a
heap to only look at the 'used' entries instead of all the 'allocated' entries.
Platforms tested:
Solaris 2.7 (arabica) w/purify
Not tested by h5committest
Code cleanup
Description:
Fixed reserved.c test to use h5_fileaccess/h5_fixname/h5_cleanup.
Updated RELEASE.txt for previous bug fix
Platforms tested:
sleipnir, verbena
Description: This is the second step of checkin for encoding and decoding objects.
H5Tencode and H5Tdecode have been committed in the previous step. H5Sencode
and H5Sdecode are checked in this time.
Solution: Given object ID, these functions encode and decode object information
into and from binary buffer and return new object ID. They take advantage of the
existing codes of object header message and encode in the same format.
Platforms tested: fuss and h5committest.
Misc. update: RELEASE.txt
Bug fix
Description:
Allow buffer parameter to H5Dread & H5Dwrite to be NULL if there are no
elements to transfer.
Platforms tested:
FreeBSD 4.10 (sleipnir) w/parallel
Too minor to require h5committest
Purpose:
Bug Fix
Description:
Trying to create the root group or the working group ("/" or ".") fakes out
HDF5 so that it neither creates a group nor returns an error.
Solution:
H5G_namei now throws an error if it was supposed to insert but didn't.
Platforms tested:
sleipnir, Visual Studio 7 (very minor change)
Misc. update:
Bug fix
Description:
Correct problems with "resurrecting" a dataset in a file. (This occurs
when a dataset which is open gets unlinked from the group hierarchy (making it
"dead" and marked for deletion in the file) and then is re-linked to the group
hierarchy). Note that the current solution applies only to datasets, further
work will fix this for groups and named datatypes also.
Also, fix the "debug" routines to be a little more helpful in certain
situations.
Additionally, fix a locking bug in the symbol table node splitting routine
which could be [one of] the cause[s] of the file corruption in flexible
parallel operation.
Platforms tested:
FreeBSD 4.10 (sleipnir) w/parallel
h5committested
Bug fix
Description:
Fix error in chunked dataset I/O where data written out wasn't read
correctly from a chunked, extendible dataset after the dataset was extended.
Also, fix parallel I/O tests to gather error results from all processes,
in order to detect errors that only occur on one process.
Solution:
Bypass chunk cache for reads as well as writes, if parallel I/O driver is
used and file is opened for writing.
Platforms tested:
FreeBSD 4.10 (sleipnir) w/parallel
Too minor to require h5committest
Purpose: Maintenance
Description: Added h5fget_name_f and h5fget_filesize_f subroutines and tests.
Solution: N/A
Platforms tested: arabica (32-bit), sol (64-bit)
parallle build on copper failed for the C library with the the
following error:
ld: 0711-317 ERROR: Undefined symbol: .H5FD_stdio_term
Since this change doesn't affect the C library, I am cheking it in
and will retest the fresh CVS copy after this check-in.
Misc. update:
Purpose:
HDF5 now supports SZIP with no encoder.
Description:
SZIP can be configured to have both encoder and decoder or just to have the decoder. HDF5 can now query the configuration of any filter, and will throw errors if users try to write using a filter with encoding disabled.
Solution:
Added H5Zget_filter_info function, changed API for H5Pget_filter and H5P_get_filter_by_id. See SZIP RFC.
Platforms tested:
Copper (fortran, C++, parallel), Sleipnir (C++), Arabica (fortran, C++), Verbena (fortran, C++)
Misc. update:
Purpose:
Updated H5MPprivate.h for the new API function H5Itype_exists.
Description:
This is the last commit for these changes... I swear...
Solution:
Platforms tested:
Misc. update:
Description: Added new API H5Fget_name and new test program called filename.c. This function
returns the name of the file by object ID(file, group, dataset, named datatype, and attribute)
which belongs to the file.
Platforms tested: h5committest and fuss.
Misc. update: MANIFEST and RELEASE.txt
Description: If compound datatype has variable-length string as field, after it's committed to
the file, when it's reopened, the size of the datatype is miscalculated. It makes the data
unreadable. Dumper also fails to read data because of this problem.
Solution: Change the size of datatype when it's committed to file. Then modify the size again
for memory type when it's reopened.
Platforms tested: h5committest and RH 8.
Misc. update: RELEASE.txt
