mirror of
https://github.com/HDFGroup/hdf5.git
synced 2024-12-15 07:40:23 +08:00
1ef8577a4a
(1) Remove unnecessary asserts (2) Add code to insert bad offset values to the test file in gen_bad_offset.c
148 lines
5.3 KiB
C
148 lines
5.3 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
|
||
* 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://support.hdfgroup.org/ftp/HDF5/releases. *
|
||
* If you do not have access to either file, you may request a copy from *
|
||
* help@hdfgroup.org. *
|
||
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
|
||
|
||
/*
|
||
* Purpose: Generate an HDF5 file for testing H5FFV-10216
|
||
*/
|
||
#include "h5test.h"
|
||
|
||
#define TESTFILE "bad_offset.h5"
|
||
#define GRP1 "group1"
|
||
#define GRP2 "group2"
|
||
#define DSET "dsetA"
|
||
#define SOFT1 "soft_one"
|
||
#define SOFT2 "soft_two"
|
||
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: main
|
||
*
|
||
* Generate an HDF5 file with groups, datasets and symbolic links.
|
||
* After the file is generated, write bad offset values to
|
||
* the heap at 3 locations in the file:
|
||
* (A) Open the file:
|
||
* fd = HDopen(TESTFILE, O_RDWR, 0663);
|
||
* (B) Position the file at:
|
||
* (1) HDlseek(fd, (HDoff_t)880, SEEK_SET);
|
||
* "/group1/group2": replace heap offset "8" by bad offset
|
||
* (2) HDlseek(fd, (HDoff_t)1512, SEEK_SET);
|
||
* "/dsetA": replace name offset into private heap "72" by bad offset
|
||
* (3) HDlseek(fd, (HDoff_t)1616, SEEK_SET);
|
||
* /soft_one: replace link value offset in the scratch pad "32" by bad offset
|
||
* (C) Write the bad offset value to the file for (1), (2) and (3):
|
||
* write(fd, &val, sizeof(val));
|
||
*
|
||
* Note: if the groups/datasets/symbolic links are changed in the file,
|
||
* the above locations need to be adjusted accordingly.
|
||
*
|
||
* Return: EXIT_SUCCESS/EXIT_FAILURE
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
int
|
||
main(void)
|
||
{
|
||
hid_t fid = -1, gid1 = -1, gid2 = -1; /* File and group IDs */
|
||
hid_t did = -1, sid = -1; /* Dataset and dataspace IDs */
|
||
int fd = -1; /* File descriptor */
|
||
int64_t val = 999; /* Bad offset value */
|
||
|
||
/* Create the test file */
|
||
if((fid = H5Fcreate(TESTFILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT)) < 0)
|
||
FAIL_STACK_ERROR
|
||
|
||
/* Create two groups */
|
||
if((gid1 = H5Gcreate2(fid, GRP1, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
|
||
FAIL_STACK_ERROR
|
||
if((gid2 = H5Gcreate2(gid1, GRP2, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
|
||
FAIL_STACK_ERROR
|
||
|
||
/* Close the groups */
|
||
if(H5Gclose(gid1) < 0)
|
||
FAIL_STACK_ERROR
|
||
if(H5Gclose(gid2) < 0)
|
||
FAIL_STACK_ERROR
|
||
|
||
/* Create soft links to the groups */
|
||
if(H5Lcreate_soft("/group1", fid, SOFT1, H5P_DEFAULT, H5P_DEFAULT) < 0)
|
||
FAIL_STACK_ERROR
|
||
if(H5Lcreate_soft("/group1/group2", fid, SOFT2, H5P_DEFAULT, H5P_DEFAULT) < 0)
|
||
FAIL_STACK_ERROR
|
||
|
||
/* Create a dataset */
|
||
if((sid = H5Screate(H5S_SCALAR)) < 0)
|
||
FAIL_STACK_ERROR
|
||
if((did = H5Dcreate2(fid, DSET, H5T_NATIVE_INT, sid, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
|
||
FAIL_STACK_ERROR
|
||
|
||
/* Close the dataset */
|
||
if(H5Dclose(did) < 0)
|
||
FAIL_STACK_ERROR
|
||
|
||
/* Close the dataspace */
|
||
if(H5Sclose(sid) < 0)
|
||
FAIL_STACK_ERROR
|
||
|
||
/* Close the file */
|
||
if(H5Fclose(fid) < 0)
|
||
FAIL_STACK_ERROR
|
||
|
||
/*
|
||
* Write bad offset values at 3 locations in the file
|
||
*/
|
||
|
||
/* Open the file */
|
||
if((fd = HDopen(TESTFILE, O_RDWR, 0663)) < 0)
|
||
FAIL_STACK_ERROR
|
||
|
||
/* Position the file for /group1/group2: replace heap offset "8" by bad offset */
|
||
if(HDlseek(fd, (HDoff_t)880, SEEK_SET) < 0)
|
||
FAIL_STACK_ERROR
|
||
/* Write the bad offset value to the file */
|
||
if(HDwrite(fd, &val, sizeof(val)) < 0)
|
||
FAIL_STACK_ERROR
|
||
|
||
/* Position the file for /dsetA: replace name offset into private heap "72" by bad offset */
|
||
if(HDlseek(fd, (HDoff_t)1512, SEEK_SET) < 0)
|
||
FAIL_STACK_ERROR
|
||
/* Write the bad offset value to the file */
|
||
if(HDwrite(fd, &val, sizeof(val)) < 0)
|
||
FAIL_STACK_ERROR
|
||
|
||
/* Position the file for /soft_one: replace link value offset in the scratch pad "32" by bad offset */
|
||
if(HDlseek(fd, (HDoff_t)1616, SEEK_SET) < 0)
|
||
FAIL_STACK_ERROR
|
||
/* Write the bad offset value to the file */
|
||
if(HDwrite(fd, &val, sizeof(val)) < 0)
|
||
FAIL_STACK_ERROR
|
||
|
||
/* Close the file */
|
||
if(HDclose(fd) < 0)
|
||
FAIL_STACK_ERROR
|
||
|
||
return EXIT_SUCCESS;
|
||
|
||
error:
|
||
H5E_BEGIN_TRY {
|
||
H5Gclose(gid1);
|
||
H5Gclose(gid2);
|
||
H5Dclose(did);
|
||
H5Sclose(sid);
|
||
H5Fclose(fid);
|
||
} H5E_END_TRY;
|
||
|
||
return EXIT_FAILURE;
|
||
} /* end main() */
|
||
|