diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/H5Dselect.c | 59 |
1 files changed, 32 insertions, 27 deletions
diff --git a/src/H5Dselect.c b/src/H5Dselect.c index a843d93..c5469c2 100644 --- a/src/H5Dselect.c +++ b/src/H5Dselect.c @@ -113,51 +113,38 @@ H5D__select_io(const H5D_io_info_t *io_info, size_t elmt_size, HDassert(io_info->store); HDassert(io_info->u.rbuf); - /* Get info from API context */ - if(H5CX_get_vec_size(&dxpl_vec_size) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't retrieve I/O vector size") - - /* Allocate the vector I/O arrays */ - if(dxpl_vec_size > H5D_IO_VECTOR_SIZE) - vec_size = dxpl_vec_size; - else - vec_size = H5D_IO_VECTOR_SIZE; - if(NULL == (mem_len = H5FL_SEQ_MALLOC(size_t, vec_size))) - HGOTO_ERROR(H5E_DATASET, H5E_CANTALLOC, FAIL, "can't allocate I/O length vector array") - if(NULL == (mem_off = H5FL_SEQ_MALLOC(hsize_t, vec_size))) - HGOTO_ERROR(H5E_DATASET, H5E_CANTALLOC, FAIL, "can't allocate I/O offset vector array") - if(NULL == (file_len = H5FL_SEQ_MALLOC(size_t, vec_size))) - HGOTO_ERROR(H5E_DATASET, H5E_CANTALLOC, FAIL, "can't allocate I/O length vector array") - if(NULL == (file_off = H5FL_SEQ_MALLOC(hsize_t, vec_size))) - HGOTO_ERROR(H5E_DATASET, H5E_CANTALLOC, FAIL, "can't allocate I/O offset vector array") - /* Check for only one element in selection */ if(nelmts == 1) { + hsize_t single_mem_off; /* Offset in memory */ + hsize_t single_file_off; /* Offset in the file */ + size_t single_mem_len; /* Length in memory */ + size_t single_file_len; /* Length in the file */ + /* Get offset of first element in selections */ - if(H5S_SELECT_OFFSET(file_space, file_off) < 0) + if(H5S_SELECT_OFFSET(file_space, &single_file_off) < 0) HGOTO_ERROR(H5E_INTERNAL, H5E_UNSUPPORTED, FAIL, "can't retrieve file selection offset") - if(H5S_SELECT_OFFSET(mem_space, mem_off) < 0) + if(H5S_SELECT_OFFSET(mem_space, &single_mem_off) < 0) HGOTO_ERROR(H5E_INTERNAL, H5E_UNSUPPORTED, FAIL, "can't retrieve memory selection offset") /* Set up necessary information for I/O operation */ file_nseq = mem_nseq = 1; curr_mem_seq = curr_file_seq = 0; - *file_off *= elmt_size; - *mem_off *= elmt_size; - *file_len = *mem_len = elmt_size; + single_file_off *= elmt_size; + single_mem_off *= elmt_size; + single_file_len = single_mem_len = elmt_size; /* Perform I/O on memory and file sequences */ if(io_info->op_type == H5D_IO_OP_READ) { if((tmp_file_len = (*io_info->layout_ops.readvv)(io_info, - file_nseq, &curr_file_seq, file_len, file_off, - mem_nseq, &curr_mem_seq, mem_len, mem_off)) < 0) + file_nseq, &curr_file_seq, &single_file_len, &single_file_off, + mem_nseq, &curr_mem_seq, &single_mem_len, &single_mem_off)) < 0) HGOTO_ERROR(H5E_DATASPACE, H5E_READERROR, FAIL, "read error") } /* end if */ else { HDassert(io_info->op_type == H5D_IO_OP_WRITE); if((tmp_file_len = (*io_info->layout_ops.writevv)(io_info, - file_nseq, &curr_file_seq, file_len, file_off, - mem_nseq, &curr_mem_seq, mem_len, mem_off)) < 0) + file_nseq, &curr_file_seq, &single_file_len, &single_file_off, + mem_nseq, &curr_mem_seq, &single_mem_len, &single_mem_off)) < 0) HGOTO_ERROR(H5E_DATASPACE, H5E_WRITEERROR, FAIL, "write error") } /* end else */ @@ -168,6 +155,24 @@ H5D__select_io(const H5D_io_info_t *io_info, size_t elmt_size, size_t mem_nelem; /* Number of elements used in memory sequences */ size_t file_nelem; /* Number of elements used in file sequences */ + /* Get info from API context */ + if(H5CX_get_vec_size(&dxpl_vec_size) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't retrieve I/O vector size") + + /* Allocate the vector I/O arrays */ + if(dxpl_vec_size > H5D_IO_VECTOR_SIZE) + vec_size = dxpl_vec_size; + else + vec_size = H5D_IO_VECTOR_SIZE; + if(NULL == (mem_len = H5FL_SEQ_MALLOC(size_t, vec_size))) + HGOTO_ERROR(H5E_DATASET, H5E_CANTALLOC, FAIL, "can't allocate I/O length vector array") + if(NULL == (mem_off = H5FL_SEQ_MALLOC(hsize_t, vec_size))) + HGOTO_ERROR(H5E_DATASET, H5E_CANTALLOC, FAIL, "can't allocate I/O offset vector array") + if(NULL == (file_len = H5FL_SEQ_MALLOC(size_t, vec_size))) + HGOTO_ERROR(H5E_DATASET, H5E_CANTALLOC, FAIL, "can't allocate I/O length vector array") + if(NULL == (file_off = H5FL_SEQ_MALLOC(hsize_t, vec_size))) + HGOTO_ERROR(H5E_DATASET, H5E_CANTALLOC, FAIL, "can't allocate I/O offset vector array") + /* Allocate the iterators */ if(NULL == (mem_iter = H5FL_MALLOC(H5S_sel_iter_t))) HGOTO_ERROR(H5E_DATASET, H5E_CANTALLOC, FAIL, "can't allocate memory iterator") |