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Diffstat (limited to 'test/gen_old_layout.c')
-rw-r--r-- | test/gen_old_layout.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/test/gen_old_layout.c b/test/gen_old_layout.c new file mode 100644 index 0000000..473b3d3 --- /dev/null +++ b/test/gen_old_layout.c @@ -0,0 +1,95 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by the Board of Trustees of the University of Illinois. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the files COPYING and Copyright.html. COPYING can be found at the root * + * of the source code distribution tree; Copyright.html can be found at the * + * root level of an installed copy of the electronic HDF5 document set and * + * is linked from the top-level documents page. It can also be found at * + * http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have * + * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/* + * Programmer: Quincey Koziol <koziol@ncsa.uiuc.edu> + * Thursday, May 27, 2004 + * + * Purpose: Create two datasets (one for version 1 and one for version 2 of + * the layout message), which should have dimensions too large to + * represent in version 1 & 2 of the storage layout message. + * This program is used to create the test file `tlayouto.h5' which + * has truncated dimension information and can be used to verify that the + * library has fixed up the storage size correctly. + * To build the test file, this program MUST be compiled and linked + * with version hdf5-1.6.2 or _earlier_ libraries and the generated test + * file must be put into the 'test' directory in the 1.7+ (or 1.6+) branch + * of the library. + */ + +#include "hdf5.h" + +#define TESTFILE "tlayouto.h5" +#define SPACE_RANK 2 +#define SPACE_DIM0 (8*1024*1024*1024ULL) +#define SPACE_DIM1 ((4*1024*1024*1024ULL)+1ULL) + + +/*------------------------------------------------------------------------- + * Function: main + * + * Purpose: + * + * Return: Success: + * + * Failure: + * + * Programmer: Quincey Koziol + * Friday, January 3, 2003 + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +int +main(void) +{ + hid_t file, space, dset, dcpl; + herr_t ret; + unsigned rank=SPACE_RANK; /* Rank of dataspace */ + hsize_t big_dims[SPACE_RANK]={SPACE_DIM0,SPACE_DIM1}; /* Large dimensions */ + + /* Create the file */ + file = H5Fcreate(TESTFILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); + if(file<0) + printf("file<0!\n"); + + /* Create the dataspace (for dataset) */ + space = H5Screate_simple(rank,big_dims,NULL); + if(space<0) + printf("space<0!\n"); + + /* Create a dataset creation property list */ + dcpl = H5Pcreate(H5P_DATASET_CREATE); + if(dcpl<0) + printf("dcpl<0!\n"); + + /* Make certain that the dataset's storage doesn't get allocated :-) */ + ret = H5Pset_alloc_time(dcpl,H5D_ALLOC_TIME_LATE); + if(ret<0) + printf("H5Pset_alloc_time() failed!\n"); + + /* Create the dataset with deferred storage allocation */ + dset = H5Dcreate(file, "Dataset", H5T_NATIVE_INT, space, dcpl); + if(dset<0) + printf("dset<0!\n"); + + H5Dclose(dset); + H5Sclose(space); + H5Pclose(dcpl); + H5Fclose(file); + + return 0; +} + |