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-rw-r--r--src/H5Dio.c167
1 files changed, 66 insertions, 101 deletions
diff --git a/src/H5Dio.c b/src/H5Dio.c
index f841f13..04fd0bb 100644
--- a/src/H5Dio.c
+++ b/src/H5Dio.c
@@ -48,42 +48,7 @@
/* Local Typedefs */
/******************/
-/* Information for mapping between file space and memory space */
-
-#if 0
-/* Structure holding information about a chunk's selection for mapping */
-typedef struct H5D_chunk_info_t {
- hsize_t index; /* "Index" of chunk in dataset */
- size_t chunk_points; /* Number of elements selected in chunk */
- H5S_t *fspace; /* Dataspace describing chunk & selection in it */
- hsize_t coords[H5O_LAYOUT_NDIMS]; /* Coordinates of chunk in file dataset's dataspace */
- H5S_t *mspace; /* Dataspace describing selection in memory corresponding to this chunk */
- unsigned mspace_shared; /* Indicate that the memory space for a chunk is shared and shouldn't be freed */
-} H5D_chunk_info_t;
-
-/* Main structure holding the mapping between file chunks and memory */
-typedef struct fm_map {
- H5SL_t *fsel; /* Skip list containing file dataspaces for all chunks */
- hsize_t last_index; /* Index of last chunk operated on */
- H5D_chunk_info_t *last_chunk_info; /* Pointer to last chunk's info */
- const H5S_t *file_space; /* Pointer to the file dataspace */
- const H5S_t *mem_space; /* Pointer to the memory dataspace */
- unsigned mem_space_copy; /* Flag to indicate that the memory dataspace must be copied */
- hsize_t f_dims[H5O_LAYOUT_NDIMS]; /* File dataspace dimensions */
- H5S_t *mchunk_tmpl; /* Dataspace template for new memory chunks */
- unsigned f_ndims; /* Number of dimensions for file dataspace */
- H5S_sel_iter_t mem_iter; /* Iterator for elements in memory selection */
- unsigned m_ndims; /* Number of dimensions for memory dataspace */
- hsize_t chunks[H5O_LAYOUT_NDIMS]; /* Number of chunks in each dimension */
- hsize_t chunk_dim[H5O_LAYOUT_NDIMS]; /* Size of chunk in each dimension */
- hsize_t down_chunks[H5O_LAYOUT_NDIMS]; /* "down" size of number of chunks in each dimension */
- H5O_layout_t *layout; /* Dataset layout information*/
- H5S_sel_type msel_type; /* Selection type in memory */
- hsize_t total_chunks; /* Number of total chunks */
- hbool_t *select_chunk; /* store the information about whether this chunk is selected or not */
-} fm_map;
-#endif
/********************/
/* Local Prototypes */
/********************/
@@ -257,7 +222,7 @@ H5D_fill(const void *fill, const H5T_t *fill_type, void *buf, const H5T_t *buf_t
assert(space);
/* Make sure the dataspace has an extent set (or is NULL) */
- if( !(H5S_has_extent(space)) )
+ if(!(H5S_has_extent(space)))
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "dataspace extent has not been set")
/* Get the memory and file datatype sizes */
@@ -265,94 +230,94 @@ H5D_fill(const void *fill, const H5T_t *fill_type, void *buf, const H5T_t *buf_t
dst_type_size = H5T_get_size(buf_type);
/* Get the maximum buffer size needed and allocate it */
- buf_size=MAX(src_type_size,dst_type_size);
+ buf_size = MAX(src_type_size,dst_type_size);
/* Allocate space for conversion buffer */
- if(NULL == (tconv_buf = H5FL_BLK_MALLOC(type_elem,buf_size)))
+ if(NULL == (tconv_buf = H5FL_BLK_MALLOC(type_elem, buf_size)))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed")
/* If there's no fill value, just use zeros */
- if(fill==NULL) {
- HDmemset(tconv_buf,0,dst_type_size);
+ if(fill == NULL) {
+ HDmemset(tconv_buf, 0, dst_type_size);
/* Fill the selection in the memory buffer */
if(H5S_select_fill(tconv_buf, dst_type_size, space, buf) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTENCODE, FAIL, "filling selection failed")
+ } /* end if */
+ else {
+ /* Set up type conversion function */
+ if(NULL == (tpath = H5T_path_find(fill_type, buf_type, NULL, NULL, dxpl_id, FALSE)))
+ HGOTO_ERROR(H5E_DATASET, H5E_UNSUPPORTED, FAIL, "unable to convert between src and dest data types")
- HGOTO_DONE(ret_value);
- }
-
- /* Set up type conversion function */
- if(NULL == (tpath = H5T_path_find(fill_type, buf_type, NULL, NULL, dxpl_id, FALSE)))
- HGOTO_ERROR(H5E_DATASET, H5E_UNSUPPORTED, FAIL, "unable to convert between src and dest data types")
-
- if(!H5T_path_noop(tpath)) {
- if((src_id = H5I_register(H5I_DATATYPE, H5T_copy(fill_type, H5T_COPY_ALL))) < 0)
- HGOTO_ERROR(H5E_DATASET, H5E_CANTREGISTER, FAIL, "unable to register types for conversion")
-
- if((dst_id = H5I_register(H5I_DATATYPE, H5T_copy(buf_type, H5T_COPY_ALL))) < 0)
- HGOTO_ERROR(H5E_DATASET, H5E_CANTREGISTER, FAIL, "unable to register types for conversion")
- }
-
- /* Copy the user's data into the buffer for conversion */
- HDmemcpy(tconv_buf,fill,src_type_size);
-
- if(TRUE == H5T_detect_class(fill_type, H5T_VLEN)) {
- /* If there's VL type of data, make multiple copies of fill value first,
- * then do conversion on each element so that each of them has a copy
- * of the VL data.
- */
+ if(!H5T_path_noop(tpath)) {
+ if((src_id = H5I_register(H5I_DATATYPE, H5T_copy(fill_type, H5T_COPY_ALL))) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTREGISTER, FAIL, "unable to register types for conversion")
- /* Get the number of elements */
- nelmts = H5S_get_simple_extent_npoints(space);
+ if((dst_id = H5I_register(H5I_DATATYPE, H5T_copy(buf_type, H5T_COPY_ALL))) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTREGISTER, FAIL, "unable to register types for conversion")
+ } /* end if */
- /* Allocate a temporary buffer and background buffer */
- if(NULL == (tmp_buf = H5FL_BLK_MALLOC(type_conv,(size_t)nelmts*buf_size)) || NULL==(bkg_buf = H5FL_BLK_CALLOC(type_conv,(size_t)nelmts*buf_size)))
- HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed")
+ /* Copy the user's data into the buffer for conversion */
+ HDmemcpy(tconv_buf, fill, src_type_size);
- /* Fill the selection in the temporary buffer */
- if(H5S_select_fill(tconv_buf, src_type_size, space, tmp_buf) < 0)
- HGOTO_ERROR(H5E_DATASET, H5E_CANTENCODE, FAIL, "filling selection failed")
-
- /* Convert disk buffer into memory buffer */
- if(!H5T_path_noop(tpath)) {
- if(H5T_convert(tpath, src_id, dst_id, (size_t)nelmts, (size_t)0, (size_t)0, tmp_buf, bkg_buf, dxpl_id) < 0)
- HGOTO_ERROR(H5E_DATASET, H5E_CANTCONVERT, FAIL, "data type conversion failed")
- } /* end if */
+ if(TRUE == H5T_detect_class(fill_type, H5T_VLEN)) {
+ /* If there's VL type of data, make multiple copies of fill value first,
+ * then do conversion on each element so that each of them has a copy
+ * of the VL data.
+ */
- /* Copy the final data into the memory buffer */
- HDmemcpy(buf, tmp_buf, (size_t)nelmts*dst_type_size);
- } else {
- /* If there's no VL type of data, do conversion first then fill the data into
- * the memory buffer. */
- if(NULL==(bkg_buf = H5FL_BLK_CALLOC(type_elem,buf_size)))
- HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed")
+ /* Get the number of elements */
+ nelmts = H5S_get_simple_extent_npoints(space);
+
+ /* Allocate a temporary buffer and background buffer */
+ if(NULL == (tmp_buf = H5FL_BLK_MALLOC(type_conv, (size_t)nelmts * buf_size)) || NULL == (bkg_buf = H5FL_BLK_CALLOC(type_conv, (size_t)nelmts * buf_size)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed")
+
+ /* Fill the selection in the temporary buffer */
+ if(H5S_select_fill(tconv_buf, src_type_size, space, tmp_buf) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTENCODE, FAIL, "filling selection failed")
+
+ /* Convert disk buffer into memory buffer */
+ if(!H5T_path_noop(tpath)) {
+ if(H5T_convert(tpath, src_id, dst_id, (size_t)nelmts, (size_t)0, (size_t)0, tmp_buf, bkg_buf, dxpl_id) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTCONVERT, FAIL, "data type conversion failed")
+ } /* end if */
- /* Convert disk buffer into memory buffer */
- if(!H5T_path_noop(tpath)) {
- /* Perform data type conversion */
- if(H5T_convert(tpath, src_id, dst_id, (size_t)1, (size_t)0, (size_t)0, tconv_buf, bkg_buf, dxpl_id) < 0)
- HGOTO_ERROR(H5E_DATASET, H5E_CANTCONVERT, FAIL, "data type conversion failed")
- } /* end if */
+ /* Copy the final data into the memory buffer */
+ HDmemcpy(buf, tmp_buf, (size_t)nelmts * dst_type_size);
+ } else {
+ /* If there's no VL type of data, do conversion first then fill the data into
+ * the memory buffer. */
+ if(NULL == (bkg_buf = H5FL_BLK_CALLOC(type_elem, buf_size)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed")
+
+ /* Convert disk buffer into memory buffer */
+ if(!H5T_path_noop(tpath)) {
+ /* Perform data type conversion */
+ if(H5T_convert(tpath, src_id, dst_id, (size_t)1, (size_t)0, (size_t)0, tconv_buf, bkg_buf, dxpl_id) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTCONVERT, FAIL, "data type conversion failed")
+ } /* end if */
- /* Fill the selection in the memory buffer */
- if(H5S_select_fill(tconv_buf, dst_type_size, space, buf) < 0)
- HGOTO_ERROR(H5E_DATASET, H5E_CANTENCODE, FAIL, "filling selection failed")
- }
+ /* Fill the selection in the memory buffer */
+ if(H5S_select_fill(tconv_buf, dst_type_size, space, buf) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTENCODE, FAIL, "filling selection failed")
+ } /* end else */
+ } /* end else */
done:
- if (tmp_buf)
+ if(tmp_buf)
H5FL_BLK_FREE(type_conv,tmp_buf);
- if (tconv_buf)
+ if(tconv_buf)
H5FL_BLK_FREE(type_elem,tconv_buf);
- if (bkg_buf) {
+ if(bkg_buf) {
if(TRUE == H5T_detect_class(fill_type, H5T_VLEN))
- H5FL_BLK_FREE(type_conv,bkg_buf);
+ H5FL_BLK_FREE(type_conv, bkg_buf);
else
- H5FL_BLK_FREE(type_elem,bkg_buf);
- }
+ H5FL_BLK_FREE(type_elem, bkg_buf);
+ } /* end if */
+
FUNC_LEAVE_NOAPI(ret_value)
-} /* H5D_fill() */
+} /* H5D_fill() */
/*--------------------------------------------------------------------------