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-rw-r--r--src/H5Spoint.c56
1 files changed, 30 insertions, 26 deletions
diff --git a/src/H5Spoint.c b/src/H5Spoint.c
index 70842df..44e0510 100644
--- a/src/H5Spoint.c
+++ b/src/H5Spoint.c
@@ -41,8 +41,8 @@ static herr_t H5S_point_get_seq_list(const H5S_t *space, unsigned flags,
static herr_t H5S_point_release(H5S_t *space);
static htri_t H5S_point_is_valid(const H5S_t *space);
static hssize_t H5S_point_serial_size(const H5S_t *space);
-static herr_t H5S_point_serialize(const H5S_t *space, uint8_t *buf);
-static herr_t H5S_point_deserialize(H5S_t *space, const uint8_t *buf);
+static herr_t H5S_point_serialize(const H5S_t *space, uint8_t **p);
+static herr_t H5S_point_deserialize(H5S_t *space, const uint8_t **p);
static herr_t H5S_point_bounds(const H5S_t *space, hsize_t *start, hsize_t *end);
static herr_t H5S_point_offset(const H5S_t *space, hsize_t *off);
static htri_t H5S_point_is_contiguous(const H5S_t *space);
@@ -804,9 +804,11 @@ H5S_point_serial_size (const H5S_t *space)
PURPOSE
Serialize the current selection into a user-provided buffer.
USAGE
- herr_t H5S_point_serialize(space, buf)
- H5S_t *space; IN: Dataspace pointer of selection to serialize
- uint8 *buf; OUT: Buffer to put serialized selection into
+ herr_t H5S_point_serialize(space, p)
+ const H5S_t *space; IN: Dataspace with selection to serialize
+ uint8_t **p; OUT: Pointer to buffer to put serialized
+ selection. Will be advanced to end of
+ serialized selection.
RETURNS
Non-negative on success/Negative on failure
DESCRIPTION
@@ -818,7 +820,7 @@ H5S_point_serial_size (const H5S_t *space)
REVISION LOG
--------------------------------------------------------------------------*/
static herr_t
-H5S_point_serialize (const H5S_t *space, uint8_t *buf)
+H5S_point_serialize (const H5S_t *space, uint8_t **p)
{
H5S_pnt_node_t *curr; /* Point information nodes */
uint8_t *lenp; /* pointer to length location for later storage */
@@ -830,18 +832,18 @@ H5S_point_serialize (const H5S_t *space, uint8_t *buf)
HDassert(space);
/* Store the preamble information */
- UINT32ENCODE(buf, (uint32_t)H5S_GET_SELECT_TYPE(space)); /* Store the type of selection */
- UINT32ENCODE(buf, (uint32_t)1); /* Store the version number */
- UINT32ENCODE(buf, (uint32_t)0); /* Store the un-used padding */
- lenp=buf; /* keep the pointer to the length location for later */
- buf+=4; /* skip over space for length */
+ UINT32ENCODE(*p, (uint32_t)H5S_GET_SELECT_TYPE(space)); /* Store the type of selection */
+ UINT32ENCODE(*p, (uint32_t)1); /* Store the version number */
+ UINT32ENCODE(*p, (uint32_t)0); /* Store the un-used padding */
+ lenp=*p; /* keep the pointer to the length location for later */
+ *p+=4; /* skip over space for length */
/* Encode number of dimensions */
- UINT32ENCODE(buf, (uint32_t)space->extent.rank);
+ UINT32ENCODE(*p, (uint32_t)space->extent.rank);
len+=4;
/* Encode number of elements */
- UINT32ENCODE(buf, (uint32_t)space->select.num_elem);
+ UINT32ENCODE(*p, (uint32_t)space->select.num_elem);
len+=4;
/* Encode each point in selection */
@@ -852,7 +854,7 @@ H5S_point_serialize (const H5S_t *space, uint8_t *buf)
/* Encode each point */
for(u=0; u<space->extent.rank; u++)
- UINT32ENCODE(buf, (uint32_t)curr->pnt[u]);
+ UINT32ENCODE(*p, (uint32_t)curr->pnt[u]);
curr=curr->next;
} /* end while */
@@ -870,9 +872,12 @@ H5S_point_serialize (const H5S_t *space, uint8_t *buf)
PURPOSE
Deserialize the current selection from a user-provided buffer.
USAGE
- herr_t H5S_point_deserialize(space, buf)
- H5S_t *space; IN/OUT: Dataspace pointer to place selection into
- uint8 *buf; IN: Buffer to retrieve serialized selection from
+ herr_t H5S_point_deserialize(space, p)
+ H5S_t *space; IN/OUT: Dataspace pointer to place
+ selection into
+ uint8 **p; OUT: Pointer to buffer holding serialized
+ selection. Will be advanced to end of
+ serialized selection.
RETURNS
Non-negative on success/Negative on failure
DESCRIPTION
@@ -884,10 +889,10 @@ H5S_point_serialize (const H5S_t *space, uint8_t *buf)
REVISION LOG
--------------------------------------------------------------------------*/
static herr_t
-H5S_point_deserialize (H5S_t *space, const uint8_t *buf)
+H5S_point_deserialize (H5S_t *space, const uint8_t **p)
{
H5S_seloper_t op=H5S_SELECT_SET; /* Selection operation */
- uint32_t rank; /* Rank of points */
+ unsigned rank; /* Rank of points */
size_t num_elem=0; /* Number of elements in selection */
hsize_t *coord=NULL, *tcoord; /* Pointer to array of elements */
unsigned i, j; /* local counting variables */
@@ -897,14 +902,13 @@ H5S_point_deserialize (H5S_t *space, const uint8_t *buf)
/* Check args */
HDassert(space);
- HDassert(buf);
+ HDassert(p);
+ HDassert(*p);
/* Deserialize points to select */
- buf += 16; /* Skip over selection header */
- UINT32DECODE(buf, rank); /* decode the rank of the point selection */
- if(rank != space->extent.rank)
- HGOTO_ERROR(H5E_DATASPACE, H5E_BADRANGE, FAIL, "rank of pointer does not match dataspace")
- UINT32DECODE(buf, num_elem); /* decode the number of points */
+ /* (The header and rank have already beed decoded) */
+ rank = space->extent.rank; /* Retrieve rank from space */
+ UINT32DECODE(*p, num_elem); /* decode the number of points */
/* Allocate space for the coordinates */
if(NULL == (coord = (hsize_t *)H5MM_malloc(num_elem * rank * sizeof(hsize_t))))
@@ -913,7 +917,7 @@ H5S_point_deserialize (H5S_t *space, const uint8_t *buf)
/* Retrieve the coordinates from the buffer */
for(tcoord = coord, i = 0; i < num_elem; i++)
for(j = 0; j < (unsigned)rank; j++, tcoord++)
- UINT32DECODE(buf, *tcoord);
+ UINT32DECODE(*p, *tcoord);
/* Select points */
if(H5S_select_elements(space, op, num_elem, (const hsize_t *)coord) < 0)