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-rw-r--r--tools/h5dump/h5dump.c34
1 files changed, 23 insertions, 11 deletions
diff --git a/tools/h5dump/h5dump.c b/tools/h5dump/h5dump.c
index c6b5708..82f3279 100644
--- a/tools/h5dump/h5dump.c
+++ b/tools/h5dump/h5dump.c
@@ -609,8 +609,8 @@ usage: %s [OPTIONS] file\n\
each dimension.\n\
\n\
-s L, --start=L Offset of start of subsetting selection\n\
- -c L, --count=L Number of blocks to include in selection\n\
-S L, --stride=L Hyperslab stride\n\
+ -c L, --count=L Number of blocks to include in selection\n\
-k L, --block=L Size of block in hyperslab\n\
\n\
P - is the full path from the root group to the object.\n\
@@ -629,7 +629,7 @@ usage: %s [OPTIONS] file\n\
\n\
2) Selecting a subset from dataset /foo in file quux.h5\n\
\n\
- h5dump -d /foo -s \"0,1\" -S \"1,1\" -c \"2,3\" -k \"2,2\" quux.h5\n\
+ h5dump -d /foo -s \"0,1\" -S \"1,1\" -c \"2,3\" -k \"2,2\" quux.h5\n\
\n", prog);
}
@@ -2104,20 +2104,12 @@ handle_datasets(hid_t fid, char *dset, void *data)
}
if (sset) {
- /* check that all of the subsetting parameters are okay */
- if (!sset->count) {
- error_msg(progname, "`count' argument missing for subsetting\n");
- exit(EXIT_FAILURE);
- }
-
- if (!sset->start || !sset->stride || !sset->block) {
+ if (!sset->start || !sset->stride || !sset->count || !sset->block) {
/* they didn't specify a ``stride'' or ``block''. default to 1 in all
* dimensions */
hid_t sid = H5Dget_space(dsetid);
unsigned int ndims = H5Sget_simple_extent_ndims(sid);
- H5Sclose(sid);
-
if (!sset->start)
/* default to (0, 0, ...) for the start coord */
sset->start = calloc(ndims, sizeof(hsize_t));
@@ -2131,6 +2123,24 @@ handle_datasets(hid_t fid, char *dset, void *data)
sset->stride[i] = 1;
}
+ if (!sset->count) {
+ hsize_t dims[H5S_MAX_RANK];
+ herr_t status = H5Sget_simple_extent_dims(sid, dims, NULL);
+ unsigned int i;
+
+ if (status == FAIL) {
+ error_msg(progname, "unable to get dataset dimensions\n");
+ d_status = EXIT_FAILURE;
+ H5Sclose(sid);
+ return;
+ }
+
+ sset->count = calloc(ndims, sizeof(hsize_t));
+
+ for (i = 0; i < ndims; i++)
+ sset->count[i] = dims[i] - sset->start[i];
+ }
+
if (!sset->block) {
unsigned int i;
@@ -2139,6 +2149,8 @@ handle_datasets(hid_t fid, char *dset, void *data)
for (i = 0; i < ndims; i++)
sset->block[i] = 1;
}
+
+ H5Sclose(sid);
}
}