diff options
Diffstat (limited to 'src/H5Spoint.c')
| -rw-r--r-- | src/H5Spoint.c | 56 |
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) |