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hdf5/test/ohdr.c
Quincey Koziol c6e4e53546
Update clang config (#473) 
* Update clang config to put H5E_BEGIN_TRY / H5E_END_TRY on separate lines, empty C++ methods on separate lines, understand that ALL_MEMBERS / UNIQUE_MEMBERS are foreach macros, and properly skip the 'config' directory in the find command without emiting a warning

* Committing clang-format changes

Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>
2021-03-17 10:25:39 -05:00

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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* 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 COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* Programmer: Robb Matzke
* Tuesday, November 24, 1998
*/
#include "h5test.h"
#include "H5CXprivate.h" /* API Contexts */
#include "H5Iprivate.h" /* Identifiers */
#include "H5VLprivate.h" /* Virtual Object Layer */
/*
* This file needs to access private datatypes from the H5O package.
* This file also needs to access the object header testing code.
*/
#define H5O_FRIEND /* suppress error about including H5Opkg */
#define H5O_TESTING
#include "H5Opkg.h"
/*
* This file needs to access private datatypes from the H5G package.
*/
#define H5G_FRIEND /* suppress error about including H5Gpkg */
#include "H5Gpkg.h"
const char *FILENAME[] = {"ohdr", "ohdr_min_a", "ohdr_min_b", NULL};
/* used for object header size comparison */
#define EQ 1
#define LT 2
#define GT 3
/* The tbogus.h5 is generated from gen_bogus.c in HDF5 'test' directory.
* To get this data file, define H5O_ENABLE_BOGUS in src/H5Oprivate, rebuild
* the library and simply compile gen_bogus.c with that HDF5 library and run it.
*/
#define FILE_BOGUS "tbogus.h5"
#define TESTFILE_LEN 256
/* */
#define FILE_OHDR_SWMR "ohdr_swmr.h5"
#define DSET_NAME "COMPACT_DSET"
#define OBJ_VERSION_LATEST 2
/*
* Verify that messages are moved forward into a "continuation message":
* Create an object header with several continuation chunks
* Remove a message in the last chunk
* The remaining message(s) in the last chunk should be moved forward into the continuation message
* The process will repeat when the continuation message is big enough to hold all the
* messages in the last chunk.
* Result: the number of chunks should be reduced
*/
static herr_t
test_cont(char *filename, hid_t fapl)
{
hid_t file = -1;
H5F_t * f = NULL;
H5O_hdr_info_t hdr_info;
H5O_loc_t oh_locA, oh_locB;
time_t time_new;
const char * short_name = "T";
const char * long_name = "This is the message";
size_t nchunks;
TESTING("object header continuation block");
HDmemset(&oh_locA, 0, sizeof(oh_locA));
HDmemset(&oh_locB, 0, sizeof(oh_locB));
/* Create the file to operate on */
if ((file = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0)
FAIL_STACK_ERROR
if (NULL == (f = (H5F_t *)H5VL_object(file)))
FAIL_STACK_ERROR
if (H5AC_ignore_tags(f) < 0) {
H5_FAILED();
H5Eprint2(H5E_DEFAULT, stdout);
goto error;
} /* end if */
if (H5O_create(f, (size_t)H5O_MIN_SIZE, (size_t)0, H5P_GROUP_CREATE_DEFAULT, &oh_locA /*out*/) < 0)
FAIL_STACK_ERROR
if (H5O_create(f, (size_t)H5O_MIN_SIZE, (size_t)0, H5P_GROUP_CREATE_DEFAULT, &oh_locB /*out*/) < 0)
FAIL_STACK_ERROR
time_new = 11111111;
if (H5O_msg_create(&oh_locA, H5O_NAME_ID, 0, 0, &long_name) < 0)
FAIL_STACK_ERROR
if (H5O_msg_create(&oh_locB, H5O_MTIME_ID, 0, 0, &time_new) < 0)
FAIL_STACK_ERROR
if (H5O_msg_create(&oh_locB, H5O_MTIME_ID, 0, 0, &time_new) < 0)
FAIL_STACK_ERROR
if (H5O_msg_create(&oh_locB, H5O_MTIME_ID, 0, 0, &time_new) < 0)
FAIL_STACK_ERROR
if (H5O_msg_create(&oh_locA, H5O_MTIME_NEW_ID, 0, 0, &time_new) < 0)
FAIL_STACK_ERROR
if (H5O_msg_create(&oh_locB, H5O_MTIME_ID, 0, 0, &time_new) < 0)
FAIL_STACK_ERROR
if (H5O_msg_create(&oh_locA, H5O_NAME_ID, 0, 0, &short_name) < 0)
FAIL_STACK_ERROR
if (1 != H5O_link(&oh_locA, 1))
FAIL_STACK_ERROR
if (1 != H5O_link(&oh_locB, 1))
FAIL_STACK_ERROR
if (H5AC_prep_for_file_flush(f) < 0)
FAIL_STACK_ERROR
if (H5AC_flush(f) < 0)
FAIL_STACK_ERROR
if (H5AC_secure_from_file_flush(f) < 0)
FAIL_STACK_ERROR
if (H5O__expunge_chunks_test(&oh_locA) < 0)
FAIL_STACK_ERROR
if (H5O_get_hdr_info(&oh_locA, &hdr_info) < 0)
FAIL_STACK_ERROR
nchunks = hdr_info.nchunks;
/* remove the 1st H5O_NAME_ID message */
if (H5O_msg_remove(&oh_locA, H5O_NAME_ID, 0, FALSE) < 0)
FAIL_STACK_ERROR
if (H5O_get_hdr_info(&oh_locA, &hdr_info) < 0)
FAIL_STACK_ERROR
if (hdr_info.nchunks >= nchunks)
TEST_ERROR
if (H5O_close(&oh_locA, NULL) < 0)
FAIL_STACK_ERROR
if (H5O_close(&oh_locB, NULL) < 0)
FAIL_STACK_ERROR
if (H5Fclose(file) < 0)
FAIL_STACK_ERROR
PASSED();
return SUCCEED;
error:
H5E_BEGIN_TRY
{
H5O_close(&oh_locA, NULL);
H5O_close(&oh_locB, NULL);
H5Fclose(file);
}
H5E_END_TRY;
return FAIL;
} /* end test_cont() */
/*
* Verify that object headers are held in the cache until they are linked
* to a location in the graph, or assigned an ID. This is done by
* creating an object header, then forcing it out of the cache by creating
* local heaps until the object header is evicted from the cache, then
* modifying the object header. The refcount on the object header is
* checked as verifying that the object header has remained in the cache.
*/
static herr_t
test_ohdr_cache(char *filename, hid_t fapl)
{
hid_t file = -1; /* File ID */
hid_t my_fapl; /* FAPL ID */
H5AC_cache_config_t mdc_config; /* Metadata cache configuration info */
H5F_t * f = NULL; /* File handle */
H5HL_t * lheap, *lheap2, *lheap3; /* Pointer to local heaps */
haddr_t lheap_addr, lheap_addr2, lheap_addr3; /* Local heap addresses */
H5O_loc_t oh_loc; /* Object header location */
time_t time_new; /* Time value for modification time message */
unsigned rc; /* Refcount for object */
TESTING("object header creation in cache");
/* Make a copy of the FAPL */
if ((my_fapl = H5Pcopy(fapl)) < 0)
FAIL_STACK_ERROR
/* Tweak down the size of the metadata cache to only 64K */
mdc_config.version = H5AC__CURR_CACHE_CONFIG_VERSION;
if (H5Pget_mdc_config(my_fapl, &mdc_config) < 0)
FAIL_STACK_ERROR
mdc_config.set_initial_size = TRUE;
mdc_config.initial_size = 32 * 1024;
mdc_config.max_size = 64 * 1024;
mdc_config.min_size = 8 * 1024;
if (H5Pset_mdc_config(my_fapl, &mdc_config) < 0)
FAIL_STACK_ERROR
/* Create the file to operate on */
if ((file = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, my_fapl)) < 0)
FAIL_STACK_ERROR
if (H5Pclose(my_fapl) < 0)
FAIL_STACK_ERROR
if (NULL == (f = (H5F_t *)H5VL_object(file)))
FAIL_STACK_ERROR
if (H5AC_ignore_tags(f) < 0)
FAIL_STACK_ERROR
/* Create object (local heap) that occupies most of cache */
if (H5HL_create(f, (31 * 1024), &lheap_addr) < 0)
FAIL_STACK_ERROR
/* Protect local heap (which actually pins it in the cache) */
if (NULL == (lheap = H5HL_protect(f, lheap_addr, H5AC__READ_ONLY_FLAG)))
FAIL_STACK_ERROR
/* Create an object header */
HDmemset(&oh_loc, 0, sizeof(oh_loc));
if (H5O_create(f, (size_t)2048, (size_t)1, H5P_GROUP_CREATE_DEFAULT, &oh_loc /*out*/) < 0)
FAIL_STACK_ERROR
/* Query object header information */
rc = 0;
if (H5O__get_rc_test(&oh_loc, &rc) < 0)
FAIL_STACK_ERROR
if (0 != rc)
TEST_ERROR
/* Create object (local heap) that occupies most of cache */
if (H5HL_create(f, (31 * 1024), &lheap_addr2) < 0)
FAIL_STACK_ERROR
/* Protect local heap (which actually pins it in the cache) */
if (NULL == (lheap2 = H5HL_protect(f, lheap_addr2, H5AC__READ_ONLY_FLAG)))
FAIL_STACK_ERROR
/* Unprotect local heap (which actually unpins it from the cache) */
if (H5HL_unprotect(lheap2) < 0)
FAIL_STACK_ERROR
/* Create object header message in new object header */
time_new = 11111111;
if (H5O_msg_create(&oh_loc, H5O_MTIME_NEW_ID, 0, 0, &time_new) < 0)
FAIL_STACK_ERROR
/* Create object (local heap) that occupies most of cache */
if (H5HL_create(f, (31 * 1024), &lheap_addr3) < 0)
FAIL_STACK_ERROR
/* Protect local heap (which actually pins it in the cache) */
if (NULL == (lheap3 = H5HL_protect(f, lheap_addr3, H5AC__READ_ONLY_FLAG)))
FAIL_STACK_ERROR
/* Unprotect local heap (which actually unpins it from the cache) */
if (H5HL_unprotect(lheap3) < 0)
FAIL_STACK_ERROR
/* Query object header information */
/* (Note that this is somewhat of a weak test, since it doesn't actually
* verify that the object header was evicted from the cache, but it's
* very difficult to verify when an entry is evicted from the cache in
* a non-invasive way -QAK)
*/
rc = 0;
if (H5O__get_rc_test(&oh_loc, &rc) < 0)
FAIL_STACK_ERROR
if (0 != rc)
TEST_ERROR
/* Decrement reference count o object header */
if (H5O_dec_rc_by_loc(&oh_loc) < 0)
FAIL_STACK_ERROR
/* Close object header created */
if (H5O_close(&oh_loc, NULL) < 0)
FAIL_STACK_ERROR
/* Unprotect local heap (which actually unpins it from the cache) */
if (H5HL_unprotect(lheap) < 0)
FAIL_STACK_ERROR
if (H5Fclose(file) < 0)
FAIL_STACK_ERROR
PASSED();
return SUCCEED;
error:
H5E_BEGIN_TRY
{
H5Fclose(file);
}
H5E_END_TRY;
return FAIL;
} /* test_ohdr_cache() */
/*
* To exercise the coding for the re-read of the object header for SWMR access.
* When the object header is read in H5O_load() of H5Ocache.c, the library initially reads
* H5O_SPEC_READ_SIZE (512, currently) bytes for decoding, then reads the
* remaining bytes later if the object header is greater than H5O_SPEC_READ_SIZE
* bytes. For SWMR access, the read should be done all at one time.
*/
static herr_t
test_ohdr_swmr(hbool_t new_format)
{
hid_t fid = -1; /* File ID */
hid_t fapl = -1; /* File access property list */
hid_t did = -1; /* Dataset ID */
hid_t sid = -1; /* Dataspace ID */
hid_t plist = -1; /* Dataset creation property list */
size_t compact_size = 1024; /* The size of compact dataset */
int * wbuf = NULL; /* Buffer for writing */
hsize_t dims[1]; /* Dimension sizes */
size_t u; /* Iterator */
int n; /* Data variable */
H5O_native_info_t ninfo; /* Information for the object */
if (new_format) {
TESTING("exercise the coding for the re-read of the object header for SWMR access: latest-format");
}
else {
TESTING(
"exercise the coding for the re-read of the object header for SWMR access: non-latest-format");
} /* end if */
/* File access property list */
if ((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
FAIL_STACK_ERROR
/* Create the file with/without latest format: ensure version 2 object header for SWMR */
if (new_format) {
/* Set to use latest library format */
if (H5Pset_libver_bounds(fapl, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0)
FAIL_STACK_ERROR
if ((fid = H5Fcreate(FILE_OHDR_SWMR, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0)
TEST_ERROR
} /* end if */
else {
if ((fid = H5Fcreate(FILE_OHDR_SWMR, H5F_ACC_TRUNC | H5F_ACC_SWMR_WRITE, H5P_DEFAULT, fapl)) < 0)
TEST_ERROR
} /* end else */
/* Initialize data */
wbuf = (int *)HDcalloc(compact_size, sizeof(int));
n = 0;
for (u = 0; u < compact_size; u++)
wbuf[u] = n++;
/* Create a small data space for compact dataset */
dims[0] = (hsize_t)compact_size;
if ((sid = H5Screate_simple(1, dims, NULL)) < 0)
FAIL_STACK_ERROR
/* Create property list for compact dataset creation */
if ((plist = H5Pcreate(H5P_DATASET_CREATE)) < 0)
FAIL_STACK_ERROR
/* Set the layout for the compact dataset */
if (H5Pset_layout(plist, H5D_COMPACT) < 0)
FAIL_STACK_ERROR
/* Create a compact dataset */
if ((did = H5Dcreate2(fid, DSET_NAME, H5T_NATIVE_INT, sid, H5P_DEFAULT, plist, H5P_DEFAULT)) < 0)
FAIL_STACK_ERROR
/* Write to the compact dataset */
if (H5Dwrite(did, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, wbuf) < 0)
FAIL_STACK_ERROR
/* Close the dataset */
if (H5Dclose(did) < 0)
FAIL_STACK_ERROR
/* Close the file */
if (H5Fclose(fid) < 0)
FAIL_STACK_ERROR
/* Open the file for SWMR write with/without latest format */
if ((fid = H5Fopen(FILE_OHDR_SWMR, H5F_ACC_RDWR | H5F_ACC_SWMR_WRITE, fapl)) < 0)
FAIL_STACK_ERROR
/* Open the compact dataset */
if ((did = H5Dopen2(fid, DSET_NAME, H5P_DEFAULT)) < 0)
FAIL_STACK_ERROR
/* Get the object information */
if (H5Oget_native_info(did, &ninfo, H5O_NATIVE_INFO_HDR) < 0)
FAIL_STACK_ERROR
if (new_format)
if (ninfo.hdr.version != OBJ_VERSION_LATEST)
FAIL_STACK_ERROR
/* The size of object header should be greater than the speculative read size of H5O_SPEC_READ_SIZE */
/* This will exercise the coding for the re-read of the object header for SWMR access */
if (ninfo.hdr.space.total < H5O_SPEC_READ_SIZE)
TEST_ERROR;
/* Close the dataset */
if (H5Dclose(did) < 0)
FAIL_STACK_ERROR
/* Close the file */
if (H5Fclose(fid) < 0)
FAIL_STACK_ERROR
/* Close the dataspace */
if (H5Sclose(sid) < 0)
FAIL_STACK_ERROR
/* Close the dataset creation property list */
if (H5Pclose(plist) < 0)
FAIL_STACK_ERROR
/* Close the file access property list */
if (H5Pclose(fapl) < 0)
FAIL_STACK_ERROR
/* Remove the test file */
if (HDremove(FILE_OHDR_SWMR) < 0)
FAIL_STACK_ERROR
/* Free the buffer */
HDfree(wbuf);
PASSED();
return SUCCEED;
error:
H5E_BEGIN_TRY
{
H5Fclose(fid);
H5Dclose(did);
H5Sclose(sid);
H5Pclose(plist);
H5Pclose(fapl);
HDremove(FILE_OHDR_SWMR);
HDfree(wbuf);
}
H5E_END_TRY;
return FAIL;
} /* test_ohdr_swmr() */
/*
* To test objects with unknown messages in a file with:
* a) H5O_BOGUS_VALID_ID:
* --the bogus_id is within the range of H5O_msg_class_g[]
* b) H5O_BOGUS_INVALID_ID:
* --the bogus_id is outside the range of H5O_msg_class_g[]
*
* The test file is FILE_BOGUS: "tbogus.h5" generated with gen_bogus.c
* --objects that have unknown header messages with H5O_BOGUS_VALID_ID in "/"
* --objects that have unknown header messages with H5O_BOGUS_INVALID_ID in "/group"
*
* The test also uses the test file FILENAME[0] (ohdr.h5): the parameter "filename"
*/
static herr_t
test_unknown(unsigned bogus_id, char *filename, hid_t fapl)
{
hid_t fid = -1; /* file ID */
hid_t gid = -1; /* group ID */
hid_t did = -1; /* Dataset ID */
hid_t sid = -1; /* Dataspace ID */
hid_t aid = -1; /* Attribute ID */
hid_t loc = -1; /* location: file or group ID */
hid_t fid_bogus = -1; /* bogus file ID */
hid_t gid_bogus = -1; /* bogus group ID */
hid_t loc_bogus = -1; /* location: bogus file or group ID */
char testfile[TESTFILE_LEN];
/* create a different name for a local copy of the data file to be
opened with rd/wr file permissions in case build and test are
done in the source directory. */
HDstrncpy(testfile, FILE_BOGUS, TESTFILE_LEN);
testfile[TESTFILE_LEN - 1] = '\0';
HDstrncat(testfile, ".copy", 5);
/* Make a copy of the data file from svn. */
if (h5_make_local_copy(FILE_BOGUS, testfile) < 0)
FAIL_STACK_ERROR
TESTING("object with unknown header message and no flags set");
/* Open filename */
if ((fid = H5Fopen(filename, H5F_ACC_RDWR, fapl)) < 0)
FAIL_STACK_ERROR
/* Open FILE_BOGUS */
if ((fid_bogus = H5Fopen(testfile, H5F_ACC_RDONLY, fapl)) < 0)
FAIL_STACK_ERROR
/* Set up location ID depending on bogus_id */
if (bogus_id == H5O_BOGUS_INVALID_ID) {
/* Open "group" in FILE_BOGUS */
if ((gid_bogus = H5Gopen2(fid_bogus, "group", H5P_DEFAULT)) < 0)
FAIL_STACK_ERROR
loc_bogus = gid_bogus;
/* Create "group" in filename */
if ((gid = H5Gcreate2(fid, "group", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
FAIL_STACK_ERROR
loc = gid;
}
else { /* H5O_BOGUS_VALID_ID */
loc_bogus = fid_bogus;
loc = fid;
} /* end else */
/* Open the dataset with the unknown header message, but no extra flags */
if ((did = H5Dopen2(loc_bogus, "Dataset1", H5P_DEFAULT)) < 0)
FAIL_STACK_ERROR
if (H5Dclose(did) < 0)
FAIL_STACK_ERROR
PASSED();
TESTING("object with unknown header message & 'shareable' flag set");
/* Open the dataset with the unknown header message, adn "shareable" flag */
if ((did = H5Dopen2(loc_bogus, "Dataset5", H5P_DEFAULT)) < 0)
FAIL_STACK_ERROR
if (H5Dclose(did) < 0)
FAIL_STACK_ERROR
PASSED();
TESTING("object in r/o file with unknown header message & 'fail if unknown and open for write' flag set");
/* Open the dataset with the unknown header message, and "fail if unknown and open for write" flag */
if ((did = H5Dopen2(loc_bogus, "Dataset2", H5P_DEFAULT)) < 0)
FAIL_STACK_ERROR
if (H5Dclose(did) < 0)
FAIL_STACK_ERROR
PASSED();
TESTING("object in r/o file with unknown header message & 'fail if unknown always' flag set");
/* Attempt to open the dataset with the unknown header message, and "fail if unknown always" flag */
H5E_BEGIN_TRY
{
did = H5Dopen2(loc_bogus, "Dataset3", H5P_DEFAULT);
}
H5E_END_TRY;
if (did >= 0) {
H5Dclose(did);
TEST_ERROR
} /* end if */
PASSED();
TESTING("object with unknown header message & 'mark if unknown' flag set");
/* Copy object with "mark if unknown" flag on message into file (FILENAME[0]) that can be modified */
if (H5Ocopy(loc_bogus, "Dataset4", loc, "Dataset4", H5P_DEFAULT, H5P_DEFAULT) < 0)
FAIL_STACK_ERROR
/* Closing: filename */
if (bogus_id == H5O_BOGUS_INVALID_ID)
if (H5Gclose(gid) < 0)
FAIL_STACK_ERROR
if (H5Fclose(fid) < 0)
FAIL_STACK_ERROR
/* Re-open filename, with read-only permissions */
if ((fid = H5Fopen(filename, H5F_ACC_RDONLY, fapl)) < 0)
FAIL_STACK_ERROR
/* Set up location ID depending on bogus_id */
if (bogus_id == H5O_BOGUS_INVALID_ID) {
/* Open "group" in filename */
if ((gid = H5Gopen2(fid, "group", H5P_DEFAULT)) < 0)
FAIL_STACK_ERROR
loc = gid;
}
else
loc = fid;
/* Open the dataset with the "mark if unknown" message */
if ((did = H5Dopen2(loc, "Dataset4", H5P_DEFAULT)) < 0)
FAIL_STACK_ERROR
/* Check that the "unknown" message was _NOT_ marked */
if (H5O__check_msg_marked_test(did, FALSE) < 0)
FAIL_STACK_ERROR
/* Close the dataset */
if (H5Dclose(did) < 0)
FAIL_STACK_ERROR
/* Close "group" in filename depending on bogus_id */
if (bogus_id == H5O_BOGUS_INVALID_ID)
if (H5Gclose(gid) < 0)
FAIL_STACK_ERROR
/* Close filename (to flush change to object header) */
if (H5Fclose(fid) < 0)
FAIL_STACK_ERROR
/* Re-open filename */
if ((fid = H5Fopen(filename, H5F_ACC_RDWR, fapl)) < 0)
FAIL_STACK_ERROR
/* Set up location ID depending on bogus_id */
if (bogus_id == H5O_BOGUS_INVALID_ID) {
/* Open "group" in filename */
if ((gid = H5Gopen2(fid, "group", H5P_DEFAULT)) < 0)
FAIL_STACK_ERROR
loc = gid;
}
else
loc = fid;
/* Open the dataset with the "mark if unknown" message */
if ((did = H5Dopen2(loc, "Dataset4", H5P_DEFAULT)) < 0)
FAIL_STACK_ERROR
/* Create data space */
if ((sid = H5Screate(H5S_SCALAR)) < 0)
FAIL_STACK_ERROR
/* Create an attribute, to get the object header into write access */
if ((aid = H5Acreate2(did, "Attr", H5T_NATIVE_INT, sid, H5P_DEFAULT, H5P_DEFAULT)) < 0)
FAIL_STACK_ERROR
/* Close dataspace */
if (H5Sclose(sid) < 0)
FAIL_STACK_ERROR
/* Close attribute */
if (H5Aclose(aid) < 0)
FAIL_STACK_ERROR
/* Close the dataset */
if (H5Dclose(did) < 0)
FAIL_STACK_ERROR
/* Close "group" in filename depending on bogus_id */
if (bogus_id == H5O_BOGUS_INVALID_ID)
if (H5Gclose(gid) < 0)
FAIL_STACK_ERROR
/* Close filename (to flush change to object header) */
if (H5Fclose(fid) < 0)
FAIL_STACK_ERROR
/* Re-open filename */
if ((fid = H5Fopen(filename, H5F_ACC_RDONLY, fapl)) < 0)
FAIL_STACK_ERROR
/* Set up location ID depending on bogus_id */
if (bogus_id == H5O_BOGUS_INVALID_ID) {
/* Open "group" in filename */
if ((gid = H5Gopen2(fid, "group", H5P_DEFAULT)) < 0)
FAIL_STACK_ERROR
loc = gid;
}
else
loc = fid;
/* Re-open the dataset with the "mark if unknown" message */
if ((did = H5Dopen2(loc, "Dataset4", H5P_DEFAULT)) < 0)
FAIL_STACK_ERROR
/* Check that the "unknown" message was marked */
if (H5O__check_msg_marked_test(did, TRUE) < 0)
FAIL_STACK_ERROR
/* Close the dataset */
if (H5Dclose(did) < 0)
FAIL_STACK_ERROR
/* Closing: filename */
if (bogus_id == H5O_BOGUS_INVALID_ID)
if (H5Gclose(gid) < 0)
FAIL_STACK_ERROR
if (H5Fclose(fid) < 0)
FAIL_STACK_ERROR
PASSED();
/* Closing: FILE_BOGUS */
if (bogus_id == H5O_BOGUS_INVALID_ID)
if (H5Gclose(gid_bogus) < 0)
FAIL_STACK_ERROR
if (H5Fclose(fid_bogus) < 0)
FAIL_STACK_ERROR
TESTING("object in r/w file with unknown header message & 'fail if unknown and open for write' flag set");
/* Open FILE_BOGUS with RW intent this time */
if ((fid_bogus = H5Fopen(testfile, H5F_ACC_RDWR, H5P_DEFAULT)) < 0)
FAIL_STACK_ERROR
/* Set up location ID */
if (bogus_id == H5O_BOGUS_INVALID_ID) {
/* Open "group" in FILE_BOGUS */
if ((gid_bogus = H5Gopen2(fid_bogus, "group", H5P_DEFAULT)) < 0)
FAIL_STACK_ERROR
loc_bogus = gid_bogus;
}
else
loc_bogus = fid_bogus;
/* Attempt to open the dataset with the unknown header message, and "fail if unknown and open for write"
* flag */
H5E_BEGIN_TRY
{
did = H5Dopen2(loc_bogus, "Dataset2", H5P_DEFAULT);
}
H5E_END_TRY;
if (did >= 0) {
H5Dclose(did);
TEST_ERROR
} /* end if */
PASSED();
TESTING("object in r/w file with unknown header message & 'fail if unknown always' flag set");
/* Attempt to open the dataset with the unknown header message, and "fail if unknown always" flag */
H5E_BEGIN_TRY
{
did = H5Dopen2(loc_bogus, "Dataset3", H5P_DEFAULT);
}
H5E_END_TRY;
if (did >= 0) {
H5Dclose(did);
TEST_ERROR
} /* end if */
/* Closing: FILE_BOGUS */
if (bogus_id == H5O_BOGUS_INVALID_ID)
if (H5Gclose(gid_bogus) < 0)
FAIL_STACK_ERROR
if (H5Fclose(fid_bogus) < 0)
FAIL_STACK_ERROR
PASSED();
return SUCCEED;
error:
H5E_BEGIN_TRY
{
H5Fclose(fid);
H5Gclose(gid);
H5Fclose(fid_bogus);
H5Gclose(gid_bogus);
H5Dclose(did);
H5Sclose(sid);
H5Aclose(aid);
}
H5E_END_TRY;
return FAIL;
} /* test_unknown() */
/*
* Count the number of attributes attached to an object.
* Returns negative in event of error.
*/
static int
count_attributes(hid_t dset_id)
{
H5O_info2_t info;
if (H5Oget_info3(dset_id, &info, H5O_INFO_NUM_ATTRS) < 0)
return -1;
else
return (int)info.num_attrs; /* should never exceed int bounds */
} /* count_attributes */
/*
* Get the total space used by the object header.
* Used by oh_compare()
* On success, stores size in `size_out` pointer.
*/
static herr_t
oh_getsize(hid_t did, hsize_t *size_out)
{
H5O_native_info_t ninfo;
if (FAIL == H5Oget_native_info(did, &ninfo, H5O_NATIVE_INFO_HDR))
return FAIL;
*size_out = ninfo.hdr.space.total;
return SUCCEED;
} /* _oh_getsize */
/*
* Compare the TOTAL space used by datasets' object headers.
* Returns negative value if an error occurred,
* else positive #defined indicator value EQ, LT, GT.
*/
static int
oh_compare(hid_t did1, hid_t did2)
{
hsize_t space1 = 0;
hsize_t space2 = 0;
if (FAIL == oh_getsize(did1, &space1))
return -1;
if (FAIL == oh_getsize(did2, &space2))
return -2;
if (space1 < space2)
return LT;
else if (space1 > space2)
return GT;
else
return EQ;
} /* oh_compare() */
/*
* Demonstrate attribute addition to datasets.
* Conduct additions side-by-side with a standard datataset and one with
* minimized dataset object headers.
*/
#define ATTR_NAME_MAX 64
#define ATTR_SHORT "first"
#define ATTR_LONG "second"
#define N_ATTRS 64
static herr_t
test_minimized_dset_ohdr_attribute_addition(hid_t fapl_id)
{
hsize_t dims[1] = {0}; /* dataspace extent */
char filename[512] = "";
char attr_name[ATTR_NAME_MAX] = "";
hid_t fid = H5I_INVALID_HID;
hid_t dcpl_id = H5I_INVALID_HID;
hid_t sid = H5I_INVALID_HID;
hid_t did = H5I_INVALID_HID;
hid_t aid = H5I_INVALID_HID;
char * in_buf = NULL;
char * out_buf = NULL;
size_t buf_size = 0;
int out_val = 0;
int in_val = 0;
int i;
TESTING("adding attributes to datasets created with H5Pset_dset_no_attrs_hint()")
/* Create the test file */
if (NULL == h5_fixname(FILENAME[1], fapl_id, filename, sizeof(filename)))
TEST_ERROR;
if ((fid = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl_id)) == H5I_INVALID_HID)
TEST_ERROR;
/* Set the 'no attrs' hint on the dcpl */
if ((dcpl_id = H5Pcreate(H5P_DATASET_CREATE)) == H5I_INVALID_HID)
TEST_ERROR;
if (H5Pset_dset_no_attrs_hint(dcpl_id, TRUE) < 0)
TEST_ERROR;
/* The dataset doesn't need to contain data */
dims[0] = 0;
if ((sid = H5Screate_simple(1, dims, NULL)) == H5I_INVALID_HID)
TEST_ERROR;
/* Create the dataset */
if ((did = H5Dcreate2(fid, "H5Pset_dset_no_attrs_hint", H5T_NATIVE_INT, sid, H5P_DEFAULT, dcpl_id,
H5P_DEFAULT)) == H5I_INVALID_HID)
TEST_ERROR;
/* Close */
if (H5Pclose(dcpl_id) < 0)
TEST_ERROR;
if (H5Sclose(sid) < 0)
TEST_ERROR;
/**********************************************
* ADD A (STRING) ATTRIBUTE AND MANIPULATE IT *
**********************************************/
buf_size = HDstrlen(ATTR_LONG) + 1;
if (NULL == (in_buf = (char *)HDcalloc(buf_size, sizeof(char))))
TEST_ERROR;
if (NULL == (out_buf = (char *)HDcalloc(buf_size, sizeof(char))))
TEST_ERROR;
/* Create a string attribute on the dataset
*
* It has to be long enough to hold the longest string we're going to write
* to it.
*/
dims[0] = buf_size;
if ((sid = H5Screate_simple(1, dims, NULL)) == H5I_INVALID_HID)
TEST_ERROR;
if ((aid = H5Acreate2(did, "string_attr", H5T_NATIVE_CHAR, sid, H5P_DEFAULT, H5P_DEFAULT)) ==
H5I_INVALID_HID)
TEST_ERROR;
/* Write attribute data */
HDstrcpy(in_buf, ATTR_SHORT);
if (H5Awrite(aid, H5T_NATIVE_CHAR, in_buf) < 0)
TEST_ERROR;
/* Make sure the count is correct */
if (count_attributes(did) != 1)
TEST_ERROR;
/* Read the data back and verify */
if (H5Aread(aid, H5T_NATIVE_CHAR, out_buf) < 0)
TEST_ERROR;
if (HDstrcmp(in_buf, out_buf) != 0)
TEST_ERROR;
/* modify the string attribute */
HDmemset(in_buf, 0, buf_size);
HDstrcpy(in_buf, ATTR_LONG);
if (H5Awrite(aid, H5T_NATIVE_CHAR, in_buf) < 0)
TEST_ERROR;
if (count_attributes(did) != 1)
TEST_ERROR;
/* Read the data back and verify */
if (H5Aread(aid, H5T_NATIVE_CHAR, out_buf) < 0)
TEST_ERROR;
if (HDstrcmp(in_buf, out_buf) != 0)
TEST_ERROR;
/* Close */
if (H5Sclose(sid) < 0)
TEST_ERROR;
if (H5Aclose(aid) < 0)
TEST_ERROR;
/***************************************
* ADD A BUNCH OF (INTEGER) ATTRIBUTES *
***************************************/
if ((sid = H5Screate(H5S_SCALAR)) == H5I_INVALID_HID)
TEST_ERROR;
/* Loop over a reasonable number of attributes */
for (i = 0; i < N_ATTRS; i++) {
/* Set the attribute's name */
if (HDsnprintf(attr_name, ATTR_NAME_MAX, "int_attr_%d", i) < 0)
TEST_ERROR;
/* Create an integer attribute on the dataset */
if ((aid = H5Acreate2(did, attr_name, H5T_NATIVE_INT, sid, H5P_DEFAULT, H5P_DEFAULT)) ==
H5I_INVALID_HID)
TEST_ERROR;
/* Write attribute data */
in_val = i;
if (H5Awrite(aid, H5T_NATIVE_INT, &in_val) < 0)
TEST_ERROR;
/* Make sure the count is correct (already has one attribute) */
if (count_attributes(did) != i + 2)
TEST_ERROR;
/* Read the data back and verify */
if (H5Aread(aid, H5T_NATIVE_INT, &out_val) < 0)
TEST_ERROR;
if (in_val != out_val)
TEST_ERROR;
/* Close */
if (H5Aclose(aid) < 0)
TEST_ERROR;
}
/* Close */
if (H5Sclose(sid) < 0)
TEST_ERROR;
/* Close the remaining IDs */
if (H5Dclose(did) < 0)
TEST_ERROR;
if (H5Fclose(fid) < 0)
TEST_ERROR;
/* Free memory */
HDfree(in_buf);
HDfree(out_buf);
PASSED();
return SUCCEED;
error:
H5E_BEGIN_TRY
{
(void)H5Pclose(dcpl_id);
(void)H5Sclose(sid);
(void)H5Dclose(did);
(void)H5Aclose(aid);
(void)H5Fclose(fid);
}
H5E_END_TRY;
HDfree(in_buf);
HDfree(out_buf);
return FAIL;
} /* test_minimized_dset_ohdr_attribute_addition */
/*
* Compare header sizes against when headers have been minimized.
* Repeats tests with headers "compact" and normal.
*/
static herr_t
test_minimized_dset_ohdr_size_comparisons(hid_t fapl_id)
{
hsize_t array_10[1] = {10}; /* dataspace extents */
unsigned compact = 0;
/* IDs that are file-agnostic */
hid_t dspace_id = -1;
hid_t int_type_id = -1;
hid_t dcpl_minimize = -1;
hid_t dcpl_dontmin = -1;
hid_t dcpl_default = -1;
/* IDs for non-minimized file open */
hid_t file_f_id = -1; /* lower 'f' for standard file setting */
hid_t dset_f_x_id = -1; /* 'x' for default */
hid_t dset_f_N_id = -1; /* 'N' for explcit non-minimized dset */
hid_t dset_f_Y_id = -1; /* 'Y' for minimized dset */
/* IDs for minimized file open */
hid_t file_F_id = -1; /* upper 'F' for minimized file setting */
hid_t dset_F_x_id = -1; /* 'x' for default */
hid_t dset_F_N_id = -1; /* 'N' for explcit non-minimized dset */
hid_t dset_F_Y_id = -1; /* 'Y' for minimized dset */
char filename_a[512] = "";
char filename_b[512] = "";
herr_t ret;
/* dataset suffixes:
* | default | minimize | don't minimize (dcpl-set)
* ---------------+---------+----------+---------------
* file-default | f_x | f_Y | f_N
* ---------------+---------+----------+---------------
* file-minimized | F_x | F_Y | F_N
*/
/*********
* SETUP *
*********/
/* Set filenames (not in a test, can't use TEST_ERROR) */
if (h5_fixname(FILENAME[1], fapl_id, filename_a, sizeof(filename_a)) == NULL)
return FAIL;
if (h5_fixname(FILENAME[2], fapl_id, filename_b, sizeof(filename_b)) == NULL)
return FAIL;
for (compact = 0; compact < 2; compact++) { /* 0 or 1 */
if (compact)
TESTING("minimized dset object headers size comparisons (compact)")
else
TESTING("minimized dset object headers size comparisons")
dcpl_default = H5Pcreate(H5P_DATASET_CREATE);
if (dcpl_default < 0)
TEST_ERROR
dcpl_minimize = H5Pcreate(H5P_DATASET_CREATE);
if (dcpl_minimize < 0)
TEST_ERROR
ret = H5Pset_dset_no_attrs_hint(dcpl_minimize, TRUE);
if (ret < 0)
TEST_ERROR
dcpl_dontmin = H5Pcreate(H5P_DATASET_CREATE);
if (dcpl_dontmin < 0)
TEST_ERROR
ret = H5Pset_dset_no_attrs_hint(dcpl_dontmin, FALSE);
if (ret < 0)
TEST_ERROR
if (compact) {
ret = H5Pset_layout(dcpl_default, H5D_COMPACT);
if (ret < 0)
TEST_ERROR
ret = H5Pset_layout(dcpl_minimize, H5D_COMPACT);
if (ret < 0)
TEST_ERROR
ret = H5Pset_layout(dcpl_dontmin, H5D_COMPACT);
if (ret < 0)
TEST_ERROR
}
dspace_id = H5Screate_simple(1, array_10, NULL);
if (dspace_id < 0)
TEST_ERROR
int_type_id = H5Tcopy(H5T_NATIVE_INT);
if (int_type_id < 0)
TEST_ERROR
file_f_id = H5Fcreate(filename_a, H5F_ACC_TRUNC, H5P_DEFAULT, fapl_id);
if (file_f_id < 0)
TEST_ERROR
dset_f_x_id =
H5Dcreate2(file_f_id, "default", int_type_id, dspace_id, H5P_DEFAULT, dcpl_default, H5P_DEFAULT);
if (dset_f_x_id < 0)
TEST_ERROR
dset_f_N_id =
H5Dcreate2(file_f_id, "dsetNOT", int_type_id, dspace_id, H5P_DEFAULT, dcpl_dontmin, H5P_DEFAULT);
if (dset_f_N_id < 0)
TEST_ERROR
dset_f_Y_id =
H5Dcreate2(file_f_id, "dsetMIN", int_type_id, dspace_id, H5P_DEFAULT, dcpl_minimize, H5P_DEFAULT);
if (dset_f_x_id < 0)
TEST_ERROR
file_F_id = H5Fcreate(filename_b, H5F_ACC_TRUNC, H5P_DEFAULT, fapl_id);
if (file_F_id < 0)
TEST_ERROR
ret = H5Fset_dset_no_attrs_hint(file_F_id, TRUE);
if (ret < 0)
TEST_ERROR
dset_F_x_id =
H5Dcreate2(file_F_id, "default", int_type_id, dspace_id, H5P_DEFAULT, dcpl_default, H5P_DEFAULT);
if (dset_F_x_id < 0)
TEST_ERROR
dset_F_N_id =
H5Dcreate2(file_F_id, "dsetNOT", int_type_id, dspace_id, H5P_DEFAULT, dcpl_dontmin, H5P_DEFAULT);
if (dset_F_N_id < 0)
TEST_ERROR
dset_F_Y_id =
H5Dcreate2(file_F_id, "dsetMIN", int_type_id, dspace_id, H5P_DEFAULT, dcpl_minimize, H5P_DEFAULT);
if (dset_F_Y_id < 0)
TEST_ERROR
/*********
* TESTS *
*********/
if (oh_compare(dset_f_x_id, dset_f_x_id) != EQ)
TEST_ERROR /* identity */
if (oh_compare(dset_f_x_id, dset_f_N_id) != EQ)
TEST_ERROR if (oh_compare(dset_f_x_id, dset_f_Y_id) != GT)
TEST_ERROR if (oh_compare(dset_f_N_id, dset_f_Y_id) != GT) TEST_ERROR
if (oh_compare(dset_F_x_id, dset_F_N_id) != EQ)
TEST_ERROR if (oh_compare(dset_F_x_id, dset_F_Y_id) != EQ)
TEST_ERROR if (oh_compare(dset_F_N_id, dset_F_Y_id) != EQ) TEST_ERROR
if (oh_compare(dset_F_x_id, dset_f_Y_id) != EQ)
TEST_ERROR if (oh_compare(dset_F_x_id, dset_f_x_id) != LT) TEST_ERROR
/************
* TEARDOWN *
************/
if (H5Sclose(dspace_id) < 0) TEST_ERROR if (H5Tclose(int_type_id) < 0)
TEST_ERROR if (H5Pclose(dcpl_default) < 0) TEST_ERROR if (H5Pclose(dcpl_minimize) < 0)
TEST_ERROR if (H5Pclose(dcpl_dontmin) < 0) TEST_ERROR
if (H5Fclose(file_f_id) < 0) TEST_ERROR if (H5Dclose(dset_f_x_id) < 0)
TEST_ERROR if (H5Dclose(dset_f_N_id) < 0) TEST_ERROR if (H5Dclose(dset_f_Y_id) < 0)
TEST_ERROR
if (H5Fclose(file_F_id) < 0) TEST_ERROR if (H5Dclose(dset_F_x_id) < 0)
TEST_ERROR if (H5Dclose(dset_F_N_id) < 0) TEST_ERROR if (H5Dclose(dset_F_Y_id) < 0)
TEST_ERROR
PASSED();
} /* compact and non-compact */
return SUCCEED;
error:
H5E_BEGIN_TRY
{
(void)H5Pclose(dcpl_default);
(void)H5Pclose(dcpl_minimize);
(void)H5Pclose(dcpl_dontmin);
(void)H5Sclose(dspace_id);
(void)H5Tclose(int_type_id);
(void)H5Fclose(file_f_id);
(void)H5Dclose(dset_f_x_id);
(void)H5Dclose(dset_f_N_id);
(void)H5Dclose(dset_f_Y_id);
(void)H5Fclose(file_F_id);
(void)H5Dclose(dset_F_x_id);
(void)H5Dclose(dset_F_N_id);
(void)H5Dclose(dset_F_Y_id);
}
H5E_END_TRY;
return FAIL;
} /* test_minimized_dset_ohdr_size_comparisons */
/*
* Test minimized dataset object header with filter/pipeline message
*/
static herr_t
test_minimized_dset_ohdr_with_filter(hid_t fapl_id)
{
char filename[512] = "";
const hsize_t extents[1] = {1024}; /* extents of dataspace */
const unsigned filter_values[] = {0}; /* TBD */
const hsize_t chunk_dim[] = {32}; /* needed for filter */
const int ndims = 1;
hid_t dspace_id = -1;
hid_t dtype_id = -1;
hid_t dcpl_xZ_id = -1;
hid_t dcpl_mx_id = -1;
hid_t dcpl_mZ_id = -1;
hid_t dset_xx_id = -1;
hid_t dset_xZ_id = -1;
hid_t dset_mx_id = -1;
hid_t dset_mZ_id = -1;
hid_t file_id = -1;
herr_t ret;
/* dcpl suffixes:
* | default | minimize
* ----------+---------+---------
* no filter | xx | mx
* ----------+---------+---------
* filter | xZ | mZ
*/
TESTING("minimized dset object headers with filter message");
/*********
* SETUP *
*********/
if (h5_fixname(FILENAME[1], fapl_id, filename, sizeof(filename)) == NULL)
TEST_ERROR
dcpl_mx_id = H5Pcreate(H5P_DATASET_CREATE);
if (dcpl_mx_id < 0)
TEST_ERROR
ret = H5Pset_dset_no_attrs_hint(dcpl_mx_id, TRUE);
if (ret < 0)
TEST_ERROR
dcpl_xZ_id = H5Pcreate(H5P_DATASET_CREATE);
if (dcpl_xZ_id < 0)
TEST_ERROR
ret = H5Pset_chunk(dcpl_xZ_id, ndims, chunk_dim);
if (ret < 0)
TEST_ERROR
ret = H5Pset_filter(dcpl_xZ_id, H5Z_FILTER_DEFLATE, H5Z_FLAG_OPTIONAL, 0, filter_values);
if (ret < 0)
TEST_ERROR
dcpl_mZ_id = H5Pcreate(H5P_DATASET_CREATE);
if (dcpl_mZ_id < 0)
TEST_ERROR
ret = H5Pset_dset_no_attrs_hint(dcpl_mZ_id, TRUE);
if (ret < 0)
TEST_ERROR
ret = H5Pset_chunk(dcpl_mZ_id, ndims, chunk_dim);
if (ret < 0)
TEST_ERROR
ret = H5Pset_filter(dcpl_mZ_id, H5Z_FILTER_DEFLATE, H5Z_FLAG_OPTIONAL, 0, filter_values);
if (ret < 0)
TEST_ERROR
dspace_id = H5Screate_simple(1, extents, extents);
if (dspace_id < 0)
TEST_ERROR
dtype_id = H5Tcopy(H5T_NATIVE_INT);
if (dtype_id < 0)
TEST_ERROR
file_id = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl_id);
if (file_id < 0)
TEST_ERROR
dset_xx_id = H5Dcreate2(file_id, "xx", dtype_id, dspace_id, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
if (dset_xx_id < 0)
TEST_ERROR
dset_mx_id = H5Dcreate2(file_id, "Mx", dtype_id, dspace_id, H5P_DEFAULT, dcpl_mx_id, H5P_DEFAULT);
if (dset_mx_id < 0)
TEST_ERROR
dset_xZ_id = H5Dcreate2(file_id, "xZ", dtype_id, dspace_id, H5P_DEFAULT, dcpl_xZ_id, H5P_DEFAULT);
if (dset_xZ_id < 0)
TEST_ERROR
dset_mZ_id = H5Dcreate2(file_id, "MZ", dtype_id, dspace_id, H5P_DEFAULT, dcpl_mZ_id, H5P_DEFAULT);
if (dset_mZ_id < 0)
TEST_ERROR
/*********
* TESTS *
*********/
if (oh_compare(dset_mx_id, dset_xx_id) != LT)
TEST_ERROR
if (oh_compare(dset_mx_id, dset_xZ_id) != LT)
TEST_ERROR
if (oh_compare(dset_mZ_id, dset_mx_id) != GT)
TEST_ERROR
if (oh_compare(dset_mZ_id, dset_xZ_id) != LT)
TEST_ERROR
/************
* TEARDOWN *
************/
if (H5Sclose(dspace_id) < 0)
TEST_ERROR
if (H5Tclose(dtype_id) < 0)
TEST_ERROR
if (H5Pclose(dcpl_xZ_id) < 0)
TEST_ERROR
if (H5Pclose(dcpl_mx_id) < 0)
TEST_ERROR
if (H5Pclose(dcpl_mZ_id) < 0)
TEST_ERROR
if (H5Dclose(dset_xx_id) < 0)
TEST_ERROR
if (H5Dclose(dset_xZ_id) < 0)
TEST_ERROR
if (H5Dclose(dset_mx_id) < 0)
TEST_ERROR
if (H5Dclose(dset_mZ_id) < 0)
TEST_ERROR
if (H5Fclose(file_id) < 0)
TEST_ERROR
PASSED();
return SUCCEED;
error:
H5E_BEGIN_TRY
{
(void)H5Sclose(dspace_id);
(void)H5Tclose(dtype_id);
(void)H5Pclose(dcpl_xZ_id);
(void)H5Pclose(dcpl_mx_id);
(void)H5Pclose(dcpl_mZ_id);
(void)H5Dclose(dset_xx_id);
(void)H5Dclose(dset_xZ_id);
(void)H5Dclose(dset_mx_id);
(void)H5Dclose(dset_mZ_id);
(void)H5Fclose(file_id);
}
H5E_END_TRY;
return FAIL;
} /* test_minimized_dset_ohdr_with_filter */
/*
* Test minimized dataset object header and recording modification times.
*/
static herr_t
test_minimized_dset_ohdr_modification_times(hid_t _fapl_id)
{
/* test-local structure for parameterized testing
*/
struct testcase {
unsigned oh_version;
};
char filename[512] = "";
const hsize_t extents[1] = {128}; /* extents of dataspace */
hid_t dspace_id = -1;
hid_t dtype_id = -1;
hid_t dcpl_xT_id = -1; /* Track modtime */
hid_t dcpl_mx_id = -1; /* minimized */
hid_t dcpl_mT_id = -1; /* minimized, Track */
hid_t dcpl_mN_id = -1; /* minimized, do Not track */
hid_t dset_xx_id = -1;
hid_t dset_xT_id = -1;
hid_t dset_mx_id = -1;
hid_t dset_mT_id = -1;
hid_t dset_mN_id = -1;
hid_t file_id = -1;
hid_t fapl_id = -1;
herr_t ret;
unsigned i = 0; /* for testcase loop */
unsigned n_cases = 2; /* must match `cases` array size below */
struct testcase cases[2] = {
{
1,
}, /* version 1 object header */
{
2,
}, /* version 2 object header */
};
/* dcpl suffixes:
* | default | minimize
* ------------+---------+---------
* default | xx | mx
* ------------+---------+---------
* don't track | xN | mN
* ------------+---------+---------
* track | xT | mT
*/
TESTING("minimized dset object headers with modification times");
/*********
* SETUP *
*********/
if (h5_fixname(FILENAME[1], _fapl_id, filename, sizeof(filename)) == NULL)
TEST_ERROR
dcpl_mx_id = H5Pcreate(H5P_DATASET_CREATE);
if (dcpl_mx_id < 0)
TEST_ERROR
ret = H5Pset_dset_no_attrs_hint(dcpl_mx_id, TRUE);
if (ret < 0)
TEST_ERROR
dcpl_xT_id = H5Pcreate(H5P_DATASET_CREATE);
if (dcpl_xT_id < 0)
TEST_ERROR
ret = H5Pset_obj_track_times(dcpl_xT_id, TRUE);
if (ret < 0)
TEST_ERROR
dcpl_mT_id = H5Pcreate(H5P_DATASET_CREATE);
if (dcpl_mT_id < 0)
TEST_ERROR
ret = H5Pset_dset_no_attrs_hint(dcpl_mT_id, TRUE);
if (ret < 0)
TEST_ERROR
ret = H5Pset_obj_track_times(dcpl_mT_id, TRUE);
if (ret < 0)
TEST_ERROR
dcpl_mN_id = H5Pcreate(H5P_DATASET_CREATE);
if (dcpl_mN_id < 0)
TEST_ERROR
ret = H5Pset_dset_no_attrs_hint(dcpl_mN_id, TRUE);
if (ret < 0)
TEST_ERROR
ret = H5Pset_obj_track_times(dcpl_mN_id, FALSE);
if (ret < 0)
TEST_ERROR
dspace_id = H5Screate_simple(1, extents, extents);
if (dspace_id < 0)
TEST_ERROR
dtype_id = H5Tcopy(H5T_NATIVE_INT);
if (dtype_id < 0)
TEST_ERROR
for (i = 0; i < n_cases; i++) {
/* -------------- *
* per-case setup *
* -------------- */
fapl_id = H5Pcopy(_fapl_id);
if (fapl_id < 0)
TEST_ERROR
if (cases[i].oh_version > 1) {
ret = H5Pset_libver_bounds(fapl_id, H5F_LIBVER_V18, H5F_LIBVER_V110);
if (ret < 0)
TEST_ERROR
}
file_id = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl_id);
if (file_id < 0)
TEST_ERROR
dset_xx_id = H5Dcreate2(file_id, "xx", dtype_id, dspace_id, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
if (dset_xx_id < 0)
TEST_ERROR
dset_mx_id = H5Dcreate2(file_id, "mx", dtype_id, dspace_id, H5P_DEFAULT, dcpl_mx_id, H5P_DEFAULT);
if (dset_mx_id < 0)
TEST_ERROR
dset_xT_id = H5Dcreate2(file_id, "xT", dtype_id, dspace_id, H5P_DEFAULT, dcpl_xT_id, H5P_DEFAULT);
if (dset_xT_id < 0)
TEST_ERROR
dset_mT_id = H5Dcreate2(file_id, "mT", dtype_id, dspace_id, H5P_DEFAULT, dcpl_mT_id, H5P_DEFAULT);
if (dset_mT_id < 0)
TEST_ERROR
dset_mN_id = H5Dcreate2(file_id, "mN", dtype_id, dspace_id, H5P_DEFAULT, dcpl_mN_id, H5P_DEFAULT);
if (dset_mN_id < 0)
TEST_ERROR
/* ----- *
* TESTS *
* ----- */
/* sanity check */
if (oh_compare(dset_mx_id, dset_xx_id) != LT)
TEST_ERROR
if (oh_compare(dset_mx_id, dset_xT_id) != LT)
TEST_ERROR
if (oh_compare(dset_xx_id, dset_xT_id) != EQ)
TEST_ERROR
if (oh_compare(dset_mx_id, dset_mT_id) != EQ)
TEST_ERROR
if (oh_compare(dset_mN_id, dset_mT_id) != LT)
TEST_ERROR
if (oh_compare(dset_mT_id, dset_xT_id) != LT)
TEST_ERROR
/* ----------------- *
* per-case teardown *
* ----------------- */
if (H5Dclose(dset_xx_id) < 0)
TEST_ERROR
if (H5Dclose(dset_xT_id) < 0)
TEST_ERROR
if (H5Dclose(dset_mx_id) < 0)
TEST_ERROR
if (H5Dclose(dset_mT_id) < 0)
TEST_ERROR
if (H5Dclose(dset_mN_id) < 0)
TEST_ERROR
if (H5Fclose(file_id) < 0)
TEST_ERROR
if (H5Pclose(fapl_id) < 0)
TEST_ERROR
} /* for each version tested */
/************
* TEARDOWN *
************/
if (H5Sclose(dspace_id) < 0)
TEST_ERROR
if (H5Tclose(dtype_id) < 0)
TEST_ERROR
if (H5Pclose(dcpl_xT_id) < 0)
TEST_ERROR
if (H5Pclose(dcpl_mx_id) < 0)
TEST_ERROR
if (H5Pclose(dcpl_mT_id) < 0)
TEST_ERROR
if (H5Pclose(dcpl_mN_id) < 0)
TEST_ERROR
PASSED();
return SUCCEED;
error:
H5E_BEGIN_TRY
{
(void)H5Sclose(dspace_id);
(void)H5Tclose(dtype_id);
(void)H5Pclose(dcpl_xT_id);
(void)H5Pclose(dcpl_mx_id);
(void)H5Pclose(dcpl_mT_id);
(void)H5Pclose(dcpl_mN_id);
(void)H5Dclose(dset_xx_id);
(void)H5Dclose(dset_xT_id);
(void)H5Dclose(dset_mx_id);
(void)H5Dclose(dset_mT_id);
(void)H5Dclose(dset_mN_id);
(void)H5Fclose(file_id);
(void)H5Pclose(fapl_id);
}
H5E_END_TRY;
return FAIL;
} /* test_minimized_dset_ohdr_modification_times */
/*
* Test minimized dataset object header with a fill value set.
*/
static herr_t
test_minimized_dset_ohdr_fillvalue_backwards_compatability(hid_t _fapl_id)
{
char filename[512] = "";
const hsize_t extents[1] = {64}; /* extents of dataspace */
const int fill[1] = {343}; /* fill value of dataset */
hid_t file_id = -1;
hid_t dtype_id = -1;
hid_t dspace_id = -1;
hid_t dcpl_id = -1;
hid_t fapl_id = -1;
hid_t dset_0_id = -1;
hid_t dset_1_id = -1;
herr_t ret;
/*********
* SETUP *
*********/
TESTING("minimized dset object headers with fill values and different libver support");
fapl_id = H5Pcopy(_fapl_id);
if (fapl_id < 0)
TEST_ERROR
if (h5_fixname(FILENAME[1], fapl_id, filename, sizeof(filename)) == NULL)
TEST_ERROR
dspace_id = H5Screate_simple(1, extents, extents);
if (dspace_id < 0)
TEST_ERROR
dtype_id = H5Tcopy(H5T_NATIVE_INT);
if (dtype_id < 0)
TEST_ERROR
dcpl_id = H5Pcreate(H5P_DATASET_CREATE);
if (dcpl_id < 0)
TEST_ERROR
ret = H5Pset_dset_no_attrs_hint(dcpl_id, TRUE);
if (ret == FAIL)
TEST_ERROR;
ret = H5Pset_fill_value(dcpl_id, dtype_id, fill);
if (ret == FAIL)
TEST_ERROR;
ret = H5Pset_libver_bounds(fapl_id, H5F_LIBVER_EARLIEST, H5F_LIBVER_LATEST);
if (ret == FAIL)
TEST_ERROR;
file_id = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl_id);
if (file_id < 0)
TEST_ERROR
dset_0_id = H5Dcreate2(file_id, "fullrange", dtype_id, dspace_id, H5P_DEFAULT, dcpl_id, H5P_DEFAULT);
if (dset_0_id < 0)
TEST_ERROR
/* Close file and re-open with different libver bounds.
* Dataset "fullrange" must also be closed for expected reopen behavior.
*/
if (H5Fclose(file_id) < 0)
TEST_ERROR;
if (H5Dclose(dset_0_id) < 0)
TEST_ERROR
ret = H5Pset_libver_bounds(fapl_id, H5F_LIBVER_V18, H5F_LIBVER_LATEST);
if (ret == FAIL)
TEST_ERROR;
file_id = H5Fopen(filename, H5F_ACC_RDWR, fapl_id);
if (file_id < 0)
TEST_ERROR
dset_1_id = H5Dcreate2(file_id, "upperrange", dtype_id, dspace_id, H5P_DEFAULT, dcpl_id, H5P_DEFAULT);
if (dset_1_id < 0)
TEST_ERROR
/* re-open "fullrange" dataset
*/
dset_0_id = H5Dopen2(file_id, "fullrange", H5P_DEFAULT);
if (dset_0_id < 0)
TEST_ERROR
/*********
* TESTS *
*********/
/* dset not supporting pre-1.08 should be smaller? */
if (oh_compare(dset_1_id, dset_0_id) != LT)
TEST_ERROR
/************
* TEARDOWN *
************/
if (H5Sclose(dspace_id) < 0)
TEST_ERROR
if (H5Tclose(dtype_id) < 0)
TEST_ERROR
if (H5Pclose(dcpl_id) < 0)
TEST_ERROR
if (H5Pclose(fapl_id) < 0)
TEST_ERROR
if (H5Dclose(dset_0_id) < 0)
TEST_ERROR
if (H5Dclose(dset_1_id) < 0)
TEST_ERROR
if (H5Fclose(file_id) < 0)
TEST_ERROR;
PASSED();
return SUCCEED;
error:
H5E_BEGIN_TRY
{
(void)H5Sclose(dspace_id);
(void)H5Tclose(dtype_id);
(void)H5Pclose(dcpl_id);
(void)H5Pclose(fapl_id);
(void)H5Dclose(dset_0_id);
(void)H5Dclose(dset_1_id);
(void)H5Fclose(file_id);
}
H5E_END_TRY;
return FAIL;
} /* test_minimized_dset_ohdr_fillvalue_backwards_compatability */
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose: Exercise private object header behavior and routines
*
* Return: Success: 0
* Failure: 1
*
* Programmer: Robb Matzke
* Tuesday, November 24, 1998
*
*-------------------------------------------------------------------------
*/
int
main(void)
{
hid_t fapl = -1;
hid_t file = -1;
H5F_t * f = NULL;
const char * env_h5_drvr; /* File driver value from environment */
hbool_t single_file_vfd; /* Whether VFD used stores data in a single file */
char filename[1024];
H5O_hdr_info_t hdr_info; /* Object info */
H5O_loc_t oh_loc; /* Object header locations */
H5F_libver_t low, high; /* File format bounds */
time_t time_new, ro;
int i; /* Local index variable */
hbool_t api_ctx_pushed = FALSE; /* Whether API context pushed */
herr_t ret; /* Generic return value */
/* Get the VFD to use */
env_h5_drvr = HDgetenv("HDF5_DRIVER");
if (env_h5_drvr == NULL)
env_h5_drvr = "nomatch";
/* Check for VFD which stores data in multiple files */
single_file_vfd = (hbool_t)(HDstrcmp(env_h5_drvr, "split") != 0 && HDstrcmp(env_h5_drvr, "multi") != 0 &&
HDstrcmp(env_h5_drvr, "family") != 0);
/* Reset library */
h5_reset();
fapl = h5_fileaccess();
h5_fixname(FILENAME[0], fapl, filename, sizeof filename);
/* Push API context */
if (H5CX_push() < 0)
FAIL_STACK_ERROR
api_ctx_pushed = TRUE;
/* Loop through all the combinations of low/high library format bounds */
for (low = H5F_LIBVER_EARLIEST; low < H5F_LIBVER_NBOUNDS; low++) {
for (high = H5F_LIBVER_EARLIEST; high < H5F_LIBVER_NBOUNDS; high++) {
const char *low_string; /* Message for library version low bound */
const char *high_string; /* Message for library version high bound */
char msg[80]; /* Message for file format version */
/* Set version bounds before opening the file */
H5E_BEGIN_TRY
{
ret = H5Pset_libver_bounds(fapl, low, high);
}
H5E_END_TRY;
if (ret < 0) /* Invalid low/high combinations */
continue;
/* Display info about testing */
low_string = h5_get_version_string(low);
high_string = h5_get_version_string(high);
HDsprintf(msg, "Using file format version: (%s, %s)", low_string, high_string);
HDputs(msg);
/* test on object continuation block */
if (test_cont(filename, fapl) < 0)
TEST_ERROR
/* Create the file to operate on */
if ((file = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0)
FAIL_STACK_ERROR
if (NULL == (f = (H5F_t *)H5VL_object(file)))
FAIL_STACK_ERROR
if (H5AC_ignore_tags(f) < 0) {
H5_FAILED();
H5Eprint2(H5E_DEFAULT, stdout);
goto error;
} /* end if */
/*
* Test object header creation
* (using default group creation property list only because it's convenient)
*/
TESTING("object header creation");
HDmemset(&oh_loc, 0, sizeof(oh_loc));
if (H5O_create(f, (size_t)64, (size_t)0, H5P_GROUP_CREATE_DEFAULT, &oh_loc /*out*/) < 0)
FAIL_STACK_ERROR
PASSED();
/* create a new message */
TESTING("message creation");
time_new = 11111111;
if (H5O_msg_create(&oh_loc, H5O_MTIME_NEW_ID, 0, 0, &time_new) < 0)
FAIL_STACK_ERROR
if (1 != H5O_link(&oh_loc, 1))
FAIL_STACK_ERROR
if (H5AC_prep_for_file_flush(f) < 0)
FAIL_STACK_ERROR
if (H5AC_flush(f) < 0)
FAIL_STACK_ERROR
if (H5AC_secure_from_file_flush(f) < 0)
FAIL_STACK_ERROR
if (H5AC_expunge_entry(f, H5AC_OHDR, oh_loc.addr, H5AC__NO_FLAGS_SET) < 0)
FAIL_STACK_ERROR
if (NULL == H5O_msg_read(&oh_loc, H5O_MTIME_NEW_ID, &ro))
FAIL_STACK_ERROR
if (ro != time_new)
TEST_ERROR
PASSED();
/*
* Test modification of an existing message.
*/
TESTING("message modification");
time_new = 33333333;
if (H5O_msg_write(&oh_loc, H5O_MTIME_NEW_ID, 0, 0, &time_new) < 0)
FAIL_STACK_ERROR
if (H5AC_prep_for_file_flush(f) < 0)
FAIL_STACK_ERROR
if (H5AC_flush(f) < 0)
FAIL_STACK_ERROR
if (H5AC_secure_from_file_flush(f) < 0)
FAIL_STACK_ERROR
if (H5AC_expunge_entry(f, H5AC_OHDR, oh_loc.addr, H5AC__NO_FLAGS_SET) < 0)
FAIL_STACK_ERROR
if (NULL == H5O_msg_read(&oh_loc, H5O_MTIME_NEW_ID, &ro))
FAIL_STACK_ERROR
if (ro != time_new)
TEST_ERROR
/* Make certain that chunk #0 in the object header can be encoded with a 1-byte size */
if (H5O_get_hdr_info(&oh_loc, &hdr_info) < 0)
FAIL_STACK_ERROR
if (hdr_info.space.total >= 256)
TEST_ERROR
PASSED();
/*
* Test creation of a bunch of messages one after another to see
* what happens when the object header overflows in core.
* (Use 'old' MTIME message here, because it is large enough to be
* replaced with a continuation message (the new one is too small)
* and the library doesn't understand how to migrate more than one
* message from an object header currently - QAK - 10/8/03)
*/
TESTING("object header overflow in memory");
for (i = 0; i < 40; i++) {
time_new = (i + 1) * 1000 + 1000000;
if (H5O_msg_create(&oh_loc, H5O_MTIME_ID, 0, 0, &time_new) < 0)
FAIL_STACK_ERROR
} /* end for */
if (H5AC_prep_for_file_flush(f) < 0)
FAIL_STACK_ERROR
if (H5AC_flush(f) < 0)
FAIL_STACK_ERROR
if (H5AC_secure_from_file_flush(f) < 0)
FAIL_STACK_ERROR
if (H5AC_expunge_entry(f, H5AC_OHDR, oh_loc.addr, H5AC__NO_FLAGS_SET) < 0)
FAIL_STACK_ERROR
/* Make certain that chunk #0 in the object header will be encoded with a 2-byte size */
if (H5O_get_hdr_info(&oh_loc, &hdr_info) < 0)
FAIL_STACK_ERROR
if (hdr_info.space.total < 256)
TEST_ERROR
PASSED();
/* Close & re-open file & object header */
/* (makes certain that an object header in the new format that transitions
* between 1-byte chunk #0 size encoding and 2-byte chunk #0 size encoding
* works correctly - QAK)
*/
TESTING("close & re-open object header");
if (H5O_close(&oh_loc, NULL) < 0)
FAIL_STACK_ERROR
if (H5Fclose(file) < 0)
FAIL_STACK_ERROR
if ((file = H5Fopen(filename, H5F_ACC_RDWR, fapl)) < 0)
FAIL_STACK_ERROR
if (NULL == (f = (H5F_t *)H5VL_object(file)))
FAIL_STACK_ERROR
if (H5AC_ignore_tags(f) < 0)
FAIL_STACK_ERROR
oh_loc.file = f;
if (H5O_open(&oh_loc) < 0)
FAIL_STACK_ERROR
PASSED();
/*
* Test creation of a bunch of messages one after another to see
* what happens when the object header overflows on disk.
*/
TESTING("object header overflow on disk");
for (i = 0; i < 10; i++) {
time_new = (i + 1) * 1000 + 10;
if (H5O_msg_create(&oh_loc, H5O_MTIME_NEW_ID, 0, 0, &time_new) < 0)
FAIL_STACK_ERROR
if (H5AC_prep_for_file_flush(f) < 0)
FAIL_STACK_ERROR
if (H5AC_flush(f) < 0)
FAIL_STACK_ERROR
if (H5AC_secure_from_file_flush(f) < 0)
FAIL_STACK_ERROR
if (H5AC_expunge_entry(f, H5AC_OHDR, oh_loc.addr, H5AC__NO_FLAGS_SET) < 0)
FAIL_STACK_ERROR
} /* end for */
PASSED();
/*
* Delete all time messages.
*/
TESTING("message deletion");
if (H5O_msg_remove(&oh_loc, H5O_MTIME_NEW_ID, H5O_ALL, TRUE) < 0)
FAIL_STACK_ERROR
if (H5O_msg_remove(&oh_loc, H5O_MTIME_ID, H5O_ALL, TRUE) < 0)
FAIL_STACK_ERROR
if (H5O_msg_read(&oh_loc, H5O_MTIME_NEW_ID, &ro))
FAIL_STACK_ERROR
if (H5O_msg_read(&oh_loc, H5O_MTIME_ID, &ro))
FAIL_STACK_ERROR
PASSED();
/*
* Constant message handling.
* (can't write to them, but should be able to remove them)
*/
TESTING("constant message handling");
time_new = 22222222;
if (H5O_msg_create(&oh_loc, H5O_MTIME_NEW_ID, H5O_MSG_FLAG_CONSTANT, 0, &time_new) < 0)
FAIL_STACK_ERROR
if (H5AC_prep_for_file_flush(f) < 0)
FAIL_STACK_ERROR
if (H5AC_flush(f) < 0)
FAIL_STACK_ERROR
if (H5AC_secure_from_file_flush(f) < 0)
FAIL_STACK_ERROR
if (H5AC_expunge_entry(f, H5AC_OHDR, oh_loc.addr, H5AC__NO_FLAGS_SET) < 0)
FAIL_STACK_ERROR
if (NULL == H5O_msg_read(&oh_loc, H5O_MTIME_NEW_ID, &ro))
FAIL_STACK_ERROR
if (ro != time_new)
TEST_ERROR
time_new = 33333333;
H5E_BEGIN_TRY
{
ret = H5O_msg_write(&oh_loc, H5O_MTIME_NEW_ID, 0, 0, &time_new);
}
H5E_END_TRY;
if (ret >= 0)
TEST_ERROR
if (H5O_msg_remove(&oh_loc, H5O_MTIME_NEW_ID, H5O_ALL, TRUE) < 0)
FAIL_STACK_ERROR
PASSED();
/* release resources */
TESTING("object header closing");
if (H5O_close(&oh_loc, NULL) < 0)
FAIL_STACK_ERROR
PASSED();
/* Close the file we created */
if (H5Fclose(file) < 0)
TEST_ERROR
/* Test reading datasets with undefined object header messages
* and the various "fail/mark if unknown" object header message flags
*/
HDputs("Accessing objects with unknown header messages: H5O_BOGUS_VALID_ID");
if (single_file_vfd) {
if (test_unknown(H5O_BOGUS_VALID_ID, filename, fapl) < 0)
TEST_ERROR
} /* end if */
else {
SKIPPED();
HDputs(" Unknown header message test not supported with the current VFD.");
} /* end else */
HDputs("Accessing objects with unknown header messages: H5O_BOGUS_INVALID_ID");
if (single_file_vfd) {
if (test_unknown(H5O_BOGUS_INVALID_ID, filename, fapl) < 0)
TEST_ERROR
} /* end if */
else {
SKIPPED();
HDputs(" Unknown header message test not supported with the current VFD.");
} /* end else */
/* Test object header creation metadata cache issues */
if (test_ohdr_cache(filename, fapl) < 0)
TEST_ERROR
if (test_minimized_dset_ohdr_attribute_addition(fapl) < 0)
TEST_ERROR
if (test_minimized_dset_ohdr_size_comparisons(fapl) < 0)
TEST_ERROR
if (test_minimized_dset_ohdr_with_filter(fapl) < 0)
TEST_ERROR
if (test_minimized_dset_ohdr_modification_times(fapl) < 0)
TEST_ERROR
if (test_minimized_dset_ohdr_fillvalue_backwards_compatability(fapl) < 0)
TEST_ERROR
} /* high */
} /* low */
/* Verify symbol table messages are cached */
if (h5_verify_cached_stabs(FILENAME, fapl) < 0)
TEST_ERROR
/* A test to exercise the re-read of the object header for SWMR access */
if (test_ohdr_swmr(TRUE) < 0)
TEST_ERROR
if (test_ohdr_swmr(FALSE) < 0)
TEST_ERROR
/* Pop API context */
if (api_ctx_pushed && H5CX_pop(FALSE) < 0)
FAIL_STACK_ERROR
api_ctx_pushed = FALSE;
HDputs("All object header tests passed.");
h5_cleanup(FILENAME, fapl);
return 0;
error:
HDputs("*** TESTS FAILED ***");
H5E_BEGIN_TRY
{
H5Fclose(file);
}
H5E_END_TRY;
if (api_ctx_pushed)
H5CX_pop(FALSE);
return 1;
} /* end main() */
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