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authorRaymond Lu <songyulu@hdfgroup.org>2012-07-30 22:14:46 (GMT)
committerRaymond Lu <songyulu@hdfgroup.org>2012-07-30 22:14:46 (GMT)
commit8a0b4729cdc7b9edb18e84b2b9182228bd6eaa2e (patch)
treedcc8167037dbe8f34d42b490dfb154a63aa4a687 /src/H5Dio.c
parent305950acf96a6f484b5d0a81c083ad138446760f (diff)
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[svn-r22616] The code for H5PSIdirect_write and its test dectris_tst.c.
Tested on koala and jam.
Diffstat (limited to 'src/H5Dio.c')
-rw-r--r--src/H5Dio.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/src/H5Dio.c b/src/H5Dio.c
index e34452c..accb948 100644
--- a/src/H5Dio.c
+++ b/src/H5Dio.c
@@ -271,6 +271,53 @@ done:
/*-------------------------------------------------------------------------
+ * Function: H5PSIdirect_write
+ *
+ * Purpose: Temporary name for the DECTRIS project. It writes an entire
+ * chunk to the file directly.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Raymond Lu
+ * 30 July 2012
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5PSIdirect_write(hid_t dset_id, hid_t dxpl_id, size_t *offset, size_t buf_size,
+ const void *buf)
+{
+ H5D_t *dset = NULL;
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_API(FAIL)
+
+ /* check arguments */
+ if(NULL == (dset = (H5D_t *)H5I_object_verify(dset_id, H5I_DATASET)))
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataset")
+ if(NULL == dset->oloc.file)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataset")
+
+ /* Get the default dataset transfer property list if the user didn't provide one */
+ if(H5P_DEFAULT == dxpl_id)
+ dxpl_id= H5P_DATASET_XFER_DEFAULT;
+ else
+ if(TRUE != H5P_isa_class(dxpl_id, H5P_DATASET_XFER))
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not xfer parms")
+
+ if(!buf)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no output buffer")
+
+ /* write raw data */
+ if(H5D__direct_write(dset, dxpl_id, offset, buf_size, buf) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_WRITEERROR, FAIL, "can't write data")
+
+done:
+ FUNC_LEAVE_API(ret_value)
+} /* end H5PSIdirect_write() */
+
+
+/*-------------------------------------------------------------------------
* Function: H5D__read
*
* Purpose: Reads (part of) a DATASET into application memory BUF. See