diff options
Diffstat (limited to 'test/gen_bad_offset.c')
| -rw-r--r-- | test/gen_bad_offset.c | 41 |
1 files changed, 38 insertions, 3 deletions
diff --git a/test/gen_bad_offset.c b/test/gen_bad_offset.c index 2be4af1..82e94cd 100644 --- a/test/gen_bad_offset.c +++ b/test/gen_bad_offset.c @@ -27,9 +27,9 @@ /*------------------------------------------------------------------------- * Function: main - * Generate an HDF5 file with groups, datasets and symbolic links. * - * After this file is generated, write bad offset values to + * 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); @@ -40,7 +40,7 @@ * "/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: + * (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, @@ -55,6 +55,8 @@ 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) @@ -96,6 +98,39 @@ main(void) 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: |