diff options
Diffstat (limited to 'hl/src')
| -rw-r--r-- | hl/src/H5TB.c | 130 |
1 files changed, 74 insertions, 56 deletions
diff --git a/hl/src/H5TB.c b/hl/src/H5TB.c index bdf4cad..30a8490 100644 --- a/hl/src/H5TB.c +++ b/hl/src/H5TB.c @@ -1294,20 +1294,19 @@ herr_t H5TBdelete_record( hid_t loc_id, hsize_t ntotal_records; hsize_t read_start; hsize_t read_nrecords; - hid_t did; - hid_t tid; + hid_t did=-1; + hid_t tid=-1; + hid_t sid=-1; + hid_t m_sid=-1; hsize_t count[1]; hsize_t offset[1]; - hid_t sid; - hid_t m_sid; hsize_t mem_size[1]; - unsigned char *tmp_buf; + unsigned char *tmp_buf=NULL; size_t src_size; size_t *src_offset; size_t *src_sizes; hsize_t dims[1]; - /*------------------------------------------------------------------------- * first we get information about type size and offsets on disk *------------------------------------------------------------------------- @@ -1322,10 +1321,16 @@ herr_t H5TBdelete_record( hid_t loc_id, if (src_offset == NULL ) return -1; + if (src_sizes == NULL ) + return -1; /* get field info */ if (H5TBget_field_info( loc_id, dset_name, NULL, src_sizes, src_offset, &src_size ) < 0) return -1; + + /* open the dataset. */ + if ((did = H5Dopen2(loc_id, dset_name, H5P_DEFAULT)) < 0) + return -1; /*------------------------------------------------------------------------- * read the records after the deleted one(s) @@ -1334,53 +1339,54 @@ herr_t H5TBdelete_record( hid_t loc_id, read_start = start + nrecords; read_nrecords = ntotal_records - read_start; - tmp_buf = (unsigned char *)calloc((size_t) read_nrecords, src_size ); - - if (tmp_buf == NULL ) - return -1; - - /* read the records after the deleted one(s) */ - if (H5TBread_records( loc_id, dset_name, read_start, read_nrecords, src_size, src_offset, src_sizes, tmp_buf ) < 0) - return -1; - - /*------------------------------------------------------------------------- - * write the records in another position - *------------------------------------------------------------------------- - */ - - /* open the dataset. */ - if ((did = H5Dopen2(loc_id, dset_name, H5P_DEFAULT)) < 0) - return -1; - - /* get the datatype */ - if ((tid = H5Dget_type( did )) < 0) - goto out; - - /* get the dataspace handle */ - if ((sid = H5Dget_space( did )) < 0) - goto out; - - /* define a hyperslab in the dataset of the size of the records */ - offset[0] = start; - count[0] = read_nrecords; - if (H5Sselect_hyperslab( sid, H5S_SELECT_SET, offset, NULL, count, NULL) < 0) - goto out; - - /* create a memory dataspace handle */ - mem_size[0] = count[0]; - if ((m_sid = H5Screate_simple( 1, mem_size, NULL )) < 0) - goto out; - - if (H5Dwrite( did, tid, m_sid, sid, H5P_DEFAULT, tmp_buf ) < 0) - goto out; - - /* close */ - if (H5Sclose( m_sid ) < 0) - goto out; - if (H5Sclose( sid ) < 0) - goto out; - if (H5Tclose( tid ) < 0) - goto out; + + if ( read_nrecords ) + { + tmp_buf = (unsigned char *)calloc((size_t) read_nrecords, src_size ); + + if (tmp_buf == NULL ) + return -1; + + /* read the records after the deleted one(s) */ + if (H5TBread_records( loc_id, dset_name, read_start, read_nrecords, src_size, src_offset, src_sizes, tmp_buf ) < 0) + return -1; + + /*------------------------------------------------------------------------- + * write the records in another position + *------------------------------------------------------------------------- + */ + + /* get the datatype */ + if ((tid = H5Dget_type( did )) < 0) + goto out; + + /* get the dataspace handle */ + if ((sid = H5Dget_space( did )) < 0) + goto out; + + /* define a hyperslab in the dataset of the size of the records */ + offset[0] = start; + count[0] = read_nrecords; + if (H5Sselect_hyperslab( sid, H5S_SELECT_SET, offset, NULL, count, NULL) < 0) + goto out; + + /* create a memory dataspace handle */ + mem_size[0] = count[0]; + if ((m_sid = H5Screate_simple( 1, mem_size, NULL )) < 0) + goto out; + + if (H5Dwrite( did, tid, m_sid, sid, H5P_DEFAULT, tmp_buf ) < 0) + goto out; + + /* close */ + if (H5Sclose( m_sid ) < 0) + goto out; + if (H5Sclose( sid ) < 0) + goto out; + if (H5Tclose( tid ) < 0) + goto out; + + } /* read_nrecords */ /*------------------------------------------------------------------------- @@ -1395,16 +1401,28 @@ herr_t H5TBdelete_record( hid_t loc_id, if (H5Dclose( did ) < 0) return -1; - free( tmp_buf ); + if (tmp_buf !=NULL) + free( tmp_buf ); free( src_offset ); free( src_sizes ); return 0; - + + /* error zone */ out: - H5Dclose( did ); + + if (tmp_buf !=NULL ) + free( tmp_buf ); + H5E_BEGIN_TRY + { + H5Dclose(did); + H5Tclose(tid); + H5Sclose(sid); + } H5E_END_TRY; return -1; + + } /*------------------------------------------------------------------------- |