diff options
| -rw-r--r-- | src/H5R.c | 4 | ||||
| -rw-r--r-- | src/H5S.c | 4 | ||||
| -rw-r--r-- | src/H5Sall.c | 41 | ||||
| -rw-r--r-- | src/H5Shyper.c | 82 | ||||
| -rw-r--r-- | src/H5Snone.c | 35 | ||||
| -rw-r--r-- | src/H5Spkg.h | 4 | ||||
| -rw-r--r-- | src/H5Spoint.c | 56 | ||||
| -rw-r--r-- | src/H5Sprivate.h | 4 | ||||
| -rw-r--r-- | src/H5Sselect.c | 81 |
9 files changed, 190 insertions, 121 deletions
@@ -291,7 +291,7 @@ H5R_create(void *_ref, H5G_loc_t *loc, const char *name, H5R_type_t ref_type, H5 H5F_addr_encode(loc->oloc->file, &p, obj_loc.oloc->addr); /* Serialize the selection into heap buffer */ - if(H5S_SELECT_SERIALIZE(space, p) < 0) + if(H5S_SELECT_SERIALIZE(space, &p) < 0) HGOTO_ERROR(H5E_REFERENCE, H5E_CANTCOPY, FAIL, "Unable to serialize selection") /* Save the serialized buffer for later */ @@ -659,7 +659,7 @@ H5R_get_region(H5F_t *file, hid_t dxpl_id, const void *_ref) HGOTO_ERROR(H5E_DATASPACE, H5E_NOTFOUND, NULL, "not found") /* Unserialize the selection */ - if(H5S_select_deserialize(ret_value, p) < 0) + if(H5S_SELECT_DESERIALIZE(&ret_value, &p) < 0) HGOTO_ERROR(H5E_REFERENCE, H5E_CANTDECODE, NULL, "can't deserialize selection") done: @@ -1540,7 +1540,7 @@ H5S_encode(H5S_t *obj, unsigned char *buf, size_t *nalloc) buf += extent_size; /* Encode the selection part of dataspace. */ - if(H5S_SELECT_SERIALIZE(obj, buf) < 0) + if(H5S_SELECT_SERIALIZE(obj, &buf) < 0) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTENCODE, FAIL, "can't encode select space") } /* end else */ @@ -1659,7 +1659,7 @@ H5S_decode(const unsigned char *buf) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTSET, NULL, "unable to set all selection") /* Decode the select part of dataspace. I believe this part always exists. */ - if(H5S_SELECT_DESERIALIZE(ds, buf) < 0) + if(H5S_SELECT_DESERIALIZE(&ds, &buf) < 0) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTDECODE, NULL, "can't decode space selection") /* Set return value */ diff --git a/src/H5Sall.c b/src/H5Sall.c index 24caad2..1105915 100644 --- a/src/H5Sall.c +++ b/src/H5Sall.c @@ -39,8 +39,8 @@ static herr_t H5S_all_get_seq_list(const H5S_t *space, unsigned flags, static herr_t H5S_all_release(H5S_t *space); static htri_t H5S_all_is_valid(const H5S_t *space); static hssize_t H5S_all_serial_size(const H5S_t *space); -static herr_t H5S_all_serialize(const H5S_t *space, uint8_t *buf); -static herr_t H5S_all_deserialize(H5S_t *space, const uint8_t *buf); +static herr_t H5S_all_serialize(const H5S_t *space, uint8_t **p); +static herr_t H5S_all_deserialize(H5S_t *space, const uint8_t **p); static herr_t H5S_all_bounds(const H5S_t *space, hsize_t *start, hsize_t *end); static herr_t H5S_all_offset(const H5S_t *space, hsize_t *off); static htri_t H5S_all_is_contiguous(const H5S_t *space); @@ -496,9 +496,11 @@ H5S_all_serial_size (const H5S_t UNUSED *space) PURPOSE Serialize the current selection into a user-provided buffer. USAGE - herr_t H5S_all_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_all_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 @@ -510,17 +512,19 @@ H5S_all_serial_size (const H5S_t UNUSED *space) REVISION LOG --------------------------------------------------------------------------*/ static herr_t -H5S_all_serialize (const H5S_t *space, uint8_t *buf) +H5S_all_serialize (const H5S_t *space, uint8_t **p) { FUNC_ENTER_NOAPI_NOINIT_NOERR HDassert(space); + HDassert(p); + HDassert(*p); /* 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 */ - UINT32ENCODE(buf, (uint32_t)0); /* Store the additional information 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 */ + UINT32ENCODE(*p, (uint32_t)0); /* Store the additional information length */ FUNC_LEAVE_NOAPI(SUCCEED) } /* H5S_all_serialize() */ @@ -532,9 +536,12 @@ H5S_all_serialize (const H5S_t *space, uint8_t *buf) PURPOSE Deserialize the current selection from a user-provided buffer. USAGE - herr_t H5S_all_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_all_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 @@ -546,16 +553,18 @@ H5S_all_serialize (const H5S_t *space, uint8_t *buf) REVISION LOG --------------------------------------------------------------------------*/ static herr_t -H5S_all_deserialize(H5S_t *space, const uint8_t UNUSED *buf) +H5S_all_deserialize(H5S_t *space, const uint8_t UNUSED **p) { - herr_t ret_value; /* return value */ + herr_t ret_value = SUCCEED; /* return value */ FUNC_ENTER_NOAPI(FAIL) HDassert(space); + HDassert(p); + HDassert(*p); /* Change to "all" selection */ - if((ret_value = H5S_select_all(space, TRUE)) < 0) + if(H5S_select_all(space, TRUE) < 0) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTDELETE, FAIL, "can't change selection") done: diff --git a/src/H5Shyper.c b/src/H5Shyper.c index 93a93b7..dfc0d06 100644 --- a/src/H5Shyper.c +++ b/src/H5Shyper.c @@ -54,8 +54,8 @@ static herr_t H5S_hyper_get_seq_list(const H5S_t *space, unsigned flags, static herr_t H5S_hyper_release(H5S_t *space); static htri_t H5S_hyper_is_valid(const H5S_t *space); static hssize_t H5S_hyper_serial_size(const H5S_t *space); -static herr_t H5S_hyper_serialize(const H5S_t *space, uint8_t *buf); -static herr_t H5S_hyper_deserialize(H5S_t *space, const uint8_t *buf); +static herr_t H5S_hyper_serialize(const H5S_t *space, uint8_t **p); +static herr_t H5S_hyper_deserialize(H5S_t *space, const uint8_t **p); static herr_t H5S_hyper_bounds(const H5S_t *space, hsize_t *start, hsize_t *end); static herr_t H5S_hyper_offset(const H5S_t *space, hsize_t *offset); static htri_t H5S_hyper_is_contiguous(const H5S_t *space); @@ -1994,7 +1994,7 @@ H5S_hyper_serial_size(const H5S_t *space) REVISION LOG --------------------------------------------------------------------------*/ static herr_t -H5S_hyper_serialize_helper (const H5S_hyper_span_info_t *spans, hsize_t *start, hsize_t *end, hsize_t rank, uint8_t **buf) +H5S_hyper_serialize_helper (const H5S_hyper_span_info_t *spans, hsize_t *start, hsize_t *end, hsize_t rank, uint8_t **p) { H5S_hyper_span_t *curr; /* Pointer to current hyperslab span */ hsize_t u; /* Index variable */ @@ -2007,7 +2007,7 @@ H5S_hyper_serialize_helper (const H5S_hyper_span_info_t *spans, hsize_t *start, HDassert(start); HDassert(end); HDassert(rank < H5O_LAYOUT_NDIMS); - HDassert(buf && *buf); + HDassert(p && *p); /* Walk through the list of spans, recursing or outputing them */ curr=spans->head; @@ -2019,7 +2019,7 @@ H5S_hyper_serialize_helper (const H5S_hyper_span_info_t *spans, hsize_t *start, end[rank]=curr->high; /* Recurse down to the next dimension */ - if(H5S_hyper_serialize_helper(curr->down,start,end,rank+1,buf)<0) + if(H5S_hyper_serialize_helper(curr->down,start,end,rank+1,p)<0) HGOTO_ERROR(H5E_INTERNAL, H5E_CANTFREE, FAIL, "failed to release hyperslab spans") } /* end if */ else { @@ -2027,17 +2027,17 @@ H5S_hyper_serialize_helper (const H5S_hyper_span_info_t *spans, hsize_t *start, /* Encode previous starting points */ for(u=0; u<rank; u++) - UINT32ENCODE(*buf, (uint32_t)start[u]); + UINT32ENCODE(*p, (uint32_t)start[u]); /* Encode starting point for this span */ - UINT32ENCODE(*buf, (uint32_t)curr->low); + UINT32ENCODE(*p, (uint32_t)curr->low); /* Encode previous ending points */ for(u=0; u<rank; u++) - UINT32ENCODE(*buf, (uint32_t)end[u]); + UINT32ENCODE(*p, (uint32_t)end[u]); /* Encode starting point for this span */ - UINT32ENCODE(*buf, (uint32_t)curr->high); + UINT32ENCODE(*p, (uint32_t)curr->high); } /* end else */ /* Advance to next node */ @@ -2055,9 +2055,11 @@ done: PURPOSE Serialize the current selection into a user-provided buffer. USAGE - herr_t H5S_hyper_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_hyper_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 @@ -2069,7 +2071,7 @@ done: REVISION LOG --------------------------------------------------------------------------*/ static herr_t -H5S_hyper_serialize (const H5S_t *space, uint8_t *buf) +H5S_hyper_serialize (const H5S_t *space, uint8_t **p) { const H5S_hyper_dim_t *diminfo; /* Alias for dataspace's diminfo information */ hsize_t tmp_count[H5O_LAYOUT_NDIMS]; /* Temporary hyperslab counts */ @@ -2089,14 +2091,14 @@ H5S_hyper_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; /* Check for a "regular" hyperslab selection */ @@ -2114,7 +2116,7 @@ H5S_hyper_serialize (const H5S_t *space, uint8_t *buf) /* Encode number of hyperslabs */ H5_CHECK_OVERFLOW(block_count, hsize_t, uint32_t); - UINT32ENCODE(buf, (uint32_t)block_count); + UINT32ENCODE(*p, (uint32_t)block_count); len+=4; /* Now serialize the information for the regular hyperslab */ @@ -2137,11 +2139,11 @@ H5S_hyper_serialize (const H5S_t *space, uint8_t *buf) /* Encode hyperslab starting location */ for(u = 0; u < ndims; u++) - UINT32ENCODE(buf, (uint32_t)offset[u]); + UINT32ENCODE(*p, (uint32_t)offset[u]); /* Encode hyperslab ending location */ for(u = 0; u < ndims; u++) - UINT32ENCODE(buf, (uint32_t)(offset[u] + (diminfo[u].block - 1))); + UINT32ENCODE(*p, (uint32_t)(offset[u] + (diminfo[u].block - 1))); /* Move the offset to the next sequence to start */ offset[fast_dim]+=diminfo[fast_dim].stride; @@ -2192,15 +2194,15 @@ H5S_hyper_serialize (const H5S_t *space, uint8_t *buf) /* Encode number of hyperslabs */ block_count = H5S_hyper_span_nblocks(space->select.sel_info.hslab->span_lst); H5_CHECK_OVERFLOW(block_count, hsize_t, uint32_t); - UINT32ENCODE(buf, (uint32_t)block_count); + UINT32ENCODE(*p, (uint32_t)block_count); len+=4; /* Add 8 bytes times the rank for each hyperslab selected */ H5_CHECK_OVERFLOW((8 * space->extent.rank * block_count), hsize_t, size_t); - len += (size_t)(8 * space->extent.rank * block_count); + len += (uint32_t)(8 * space->extent.rank * block_count); /* Encode each hyperslab in selection */ - H5S_hyper_serialize_helper(space->select.sel_info.hslab->span_lst, start, end, (hsize_t)0, &buf); + H5S_hyper_serialize_helper(space->select.sel_info.hslab->span_lst, start, end, (hsize_t)0, p); } /* end else */ /* Encode length */ @@ -2216,9 +2218,12 @@ H5S_hyper_serialize (const H5S_t *space, uint8_t *buf) PURPOSE Deserialize the current selection from a user-provided buffer. USAGE - herr_t H5S_hyper_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_hyper_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 @@ -2230,9 +2235,9 @@ H5S_hyper_serialize (const H5S_t *space, uint8_t *buf) REVISION LOG --------------------------------------------------------------------------*/ static herr_t -H5S_hyper_deserialize (H5S_t *space, const uint8_t *buf) +H5S_hyper_deserialize (H5S_t *space, const uint8_t **p) { - uint32_t rank; /* rank of points */ + unsigned rank; /* rank of points */ size_t num_elem=0; /* number of elements in selection */ hsize_t start[H5O_LAYOUT_NDIMS]; /* hyperslab start information */ hsize_t end[H5O_LAYOUT_NDIMS]; /* hyperslab end information */ @@ -2251,14 +2256,13 @@ H5S_hyper_deserialize (H5S_t *space, const uint8_t *buf) /* Check args */ HDassert(space); - HDassert(buf); + HDassert(p); + HDassert(*p); /* Deserialize slabs 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 */ /* Set the count & stride for all blocks */ for(tcount=count,tstride=stride,j=0; j<rank; j++,tstride++,tcount++) { @@ -2270,14 +2274,14 @@ H5S_hyper_deserialize (H5S_t *space, const uint8_t *buf) for(i=0; i<num_elem; i++) { /* Decode the starting points */ for(tstart=start,j=0; j<rank; j++,tstart++) - UINT32DECODE(buf, *tstart); + UINT32DECODE(*p, *tstart); /* Decode the ending points */ for(tend=end,j=0; j<rank; j++,tend++) - UINT32DECODE(buf, *tend); + UINT32DECODE(*p, *tend); /* Change the ending points into blocks */ - for(tblock=block,tstart=start,tend=end,j=0; j<(unsigned)rank; j++,tstart++,tend++,tblock++) + for(tblock=block,tstart=start,tend=end,j=0; j<rank; j++,tstart++,tend++,tblock++) *tblock=(*tend-*tstart)+1; /* Select or add the hyperslab to the current selection */ diff --git a/src/H5Snone.c b/src/H5Snone.c index 3c5eccc..c5ec2de 100644 --- a/src/H5Snone.c +++ b/src/H5Snone.c @@ -40,8 +40,8 @@ static herr_t H5S_none_get_seq_list(const H5S_t *space, unsigned flags, static herr_t H5S_none_release(H5S_t *space); static htri_t H5S_none_is_valid(const H5S_t *space); static hssize_t H5S_none_serial_size(const H5S_t *space); -static herr_t H5S_none_serialize(const H5S_t *space, uint8_t *buf); -static herr_t H5S_none_deserialize(H5S_t *space, const uint8_t *buf); +static herr_t H5S_none_serialize(const H5S_t *space, uint8_t **p); +static herr_t H5S_none_deserialize(H5S_t *space, const uint8_t **p); static herr_t H5S_none_bounds(const H5S_t *space, hsize_t *start, hsize_t *end); static herr_t H5S_none_offset(const H5S_t *space, hsize_t *off); static htri_t H5S_none_is_contiguous(const H5S_t *space); @@ -464,9 +464,11 @@ H5S_none_serial_size(const H5S_t UNUSED *space) PURPOSE Serialize the current selection into a user-provided buffer. USAGE - herr_t H5S_none_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_none_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 @@ -478,17 +480,17 @@ H5S_none_serial_size(const H5S_t UNUSED *space) REVISION LOG --------------------------------------------------------------------------*/ static herr_t -H5S_none_serialize(const H5S_t *space, uint8_t *buf) +H5S_none_serialize(const H5S_t *space, uint8_t **p) { FUNC_ENTER_NOAPI_NOINIT_NOERR 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 */ - UINT32ENCODE(buf, (uint32_t)0); /* Store the additional information 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 */ + UINT32ENCODE(*p, (uint32_t)0); /* Store the additional information length */ FUNC_LEAVE_NOAPI(SUCCEED) } /* H5S_none_serialize() */ @@ -500,9 +502,12 @@ H5S_none_serialize(const H5S_t *space, uint8_t *buf) PURPOSE Deserialize the current selection from a user-provided buffer. USAGE - herr_t H5S_none_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_none_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 @@ -514,13 +519,15 @@ H5S_none_serialize(const H5S_t *space, uint8_t *buf) REVISION LOG --------------------------------------------------------------------------*/ static herr_t -H5S_none_deserialize(H5S_t *space, const uint8_t UNUSED *buf) +H5S_none_deserialize(H5S_t *space, const uint8_t UNUSED **p) { herr_t ret_value = SUCCEED; /* return value */ FUNC_ENTER_NOAPI_NOINIT HDassert(space); + HDassert(p); + HDassert(*p); /* Change to "none" selection */ if(H5S_select_none(space) < 0) diff --git a/src/H5Spkg.h b/src/H5Spkg.h index 0a9df69..5f84717 100644 --- a/src/H5Spkg.h +++ b/src/H5Spkg.h @@ -130,9 +130,9 @@ typedef htri_t (*H5S_sel_is_valid_func_t)(const H5S_t *space); /* Method to determine number of bytes required to store current selection */ typedef hssize_t (*H5S_sel_serial_size_func_t)(const H5S_t *space); /* Method to store current selection in "serialized" form (a byte sequence suitable for storing on disk) */ -typedef herr_t (*H5S_sel_serialize_func_t)(const H5S_t *space, uint8_t *buf); +typedef herr_t (*H5S_sel_serialize_func_t)(const H5S_t *space, uint8_t **p); /* Method to store create selection from "serialized" form (a byte sequence suitable for storing on disk) */ -typedef herr_t (*H5S_sel_deserialize_func_t)(H5S_t *space, const uint8_t *buf); +typedef herr_t (*H5S_sel_deserialize_func_t)(H5S_t *space, const uint8_t **p); /* Method to determine smallest n-D bounding box containing the current selection */ typedef herr_t (*H5S_sel_bounds_func_t)(const H5S_t *space, hsize_t *start, hsize_t *end); /* Method to determine linear offset of initial element in selection within dataspace */ 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) diff --git a/src/H5Sprivate.h b/src/H5Sprivate.h index 44cd6c3..7b7b8c6 100644 --- a/src/H5Sprivate.h +++ b/src/H5Sprivate.h @@ -206,7 +206,7 @@ H5_DLL int H5S_extent_get_dims(const H5S_extent_t *ext, hsize_t dims[], hsize_t H5_DLL htri_t H5S_extent_equal(const H5S_t *ds1, const H5S_t *ds2); /* Operations on selections */ -H5_DLL herr_t H5S_select_deserialize(H5S_t *space, const uint8_t *buf); +H5_DLL herr_t H5S_select_deserialize(H5S_t **space, const uint8_t **p); H5_DLL H5S_sel_type H5S_get_select_type(const H5S_t *space); H5_DLL herr_t H5S_select_iterate(void *buf, hid_t type_id, const H5S_t *space, H5D_operator_t op, void *operator_data); @@ -227,7 +227,7 @@ H5_DLL herr_t H5S_select_get_seq_list(const H5S_t *space, unsigned flags, H5S_sel_iter_t *iter, size_t maxseq, size_t maxbytes, size_t *nseq, size_t *nbytes, hsize_t *off, size_t *len); H5_DLL hssize_t H5S_select_serial_size(const H5S_t *space); -H5_DLL herr_t H5S_select_serialize(const H5S_t *space, uint8_t *buf); +H5_DLL herr_t H5S_select_serialize(const H5S_t *space, uint8_t **p); H5_DLL htri_t H5S_select_is_contiguous(const H5S_t *space); H5_DLL htri_t H5S_select_is_single(const H5S_t *space); H5_DLL htri_t H5S_select_is_regular(const H5S_t *space); diff --git a/src/H5Sselect.c b/src/H5Sselect.c index 2cb4b38..a4f13d7 100644 --- a/src/H5Sselect.c +++ b/src/H5Sselect.c @@ -239,9 +239,11 @@ H5S_select_serial_size(const H5S_t *space) PURPOSE Serialize the selection for a dataspace into a buffer USAGE - herr_t H5S_select_serialize(space, buf) + herr_t H5S_select_serialize(space, p) const H5S_t *space; IN: Dataspace with selection to serialize - uint8_t *buf; OUT: Buffer to put serialized selection + 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 @@ -256,17 +258,17 @@ H5S_select_serial_size(const H5S_t *space) REVISION LOG --------------------------------------------------------------------------*/ herr_t -H5S_select_serialize(const H5S_t *space, uint8_t *buf) +H5S_select_serialize(const H5S_t *space, uint8_t **p) { herr_t ret_value=SUCCEED; /* Return value */ FUNC_ENTER_NOAPI_NOINIT_NOERR HDassert(space); - HDassert(buf); + HDassert(p); /* Call the selection type's serialize function */ - ret_value=(*space->select.type->serialize)(space,buf); + ret_value=(*space->select.type->serialize)(space,p); FUNC_LEAVE_NOAPI(ret_value) } /* end H5S_select_serialize() */ @@ -428,9 +430,13 @@ H5S_select_valid(const H5S_t *space) Deserialize the current selection from a user-provided buffer into a real selection in the dataspace. USAGE - herr_t H5S_select_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_select_deserialize(space, p) + H5S_t **space; IN/OUT: Dataspace pointer to place + selection into. Will be allocated if not + provided. + 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 @@ -444,42 +450,81 @@ H5S_select_valid(const H5S_t *space) REVISION LOG --------------------------------------------------------------------------*/ herr_t -H5S_select_deserialize (H5S_t *space, const uint8_t *buf) +H5S_select_deserialize (H5S_t **space, const uint8_t **p) { - const uint8_t *tbuf; /* Temporary pointer to the selection type */ - uint32_t sel_type; /* Pointer to the selection type */ + H5S_t *tmp_space; /* Pointer to actual dataspace to use, either + *space or a newly allocated one */ + uint32_t sel_type; /* Pointer to the selection type */ herr_t ret_value=FAIL; /* return value */ FUNC_ENTER_NOAPI(FAIL) HDassert(space); - tbuf=buf; - UINT32DECODE(tbuf, sel_type); + /* Allocate space if not provided */ + if(!*space) { + if(NULL == (tmp_space = H5S_create(H5S_SIMPLE))) + HGOTO_ERROR(H5E_DATASPACE, H5E_CANTCREATE, FAIL, "can't create dataspace") + } /* end if */ + else + tmp_space = *space; + + /* Decode selection type */ + UINT32DECODE(*p, sel_type); + + /* Skip over the remainder of the header */ + *p += 12; + + /* Decode and check or patch rank for point and hyperslab selections */ + if((sel_type == H5S_SEL_POINTS) || (sel_type == H5S_SEL_HYPERSLABS)) { + uint32_t rank; /* Rank of dataspace */ + + /* Decode the rank of the point selection */ + UINT32DECODE(*p,rank); + + if(!*space) + /* Patch the rank of the allocated dataspace */ + tmp_space->extent.rank = rank; + else + /* Verify the rank of the provided dataspace */ + if(rank != tmp_space->extent.rank) + HGOTO_ERROR(H5E_DATASPACE, H5E_BADRANGE, FAIL, "rank of serialized selection does not match dataspace") + } /* end if */ + + /* Make routine for selection type */ switch(sel_type) { case H5S_SEL_POINTS: /* Sequence of points selected */ - ret_value=(*H5S_sel_point->deserialize)(space,buf); + ret_value = (*H5S_sel_point->deserialize)(tmp_space, p); break; case H5S_SEL_HYPERSLABS: /* Hyperslab selection defined */ - ret_value=(*H5S_sel_hyper->deserialize)(space,buf); + ret_value = (*H5S_sel_hyper->deserialize)(tmp_space, p); break; case H5S_SEL_ALL: /* Entire extent selected */ - ret_value=(*H5S_sel_all->deserialize)(space,buf); + ret_value = (*H5S_sel_all->deserialize)(tmp_space, p); break; case H5S_SEL_NONE: /* Nothing selected */ - ret_value=(*H5S_sel_none->deserialize)(space,buf); + ret_value = (*H5S_sel_none->deserialize)(tmp_space, p); break; default: break; } - if(ret_value<0) + if(ret_value < 0) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTLOAD, FAIL, "can't deserialize selection") + /* Return space to the caller if allocated */ + if(!*space) + *space = tmp_space; + done: + /* Free temporary space if not passed to caller (only happens on error) */ + if(!*space && tmp_space) + if(H5S_close(tmp_space) < 0) + HDONE_ERROR(H5E_DATASPACE, H5E_CANTFREE, FAIL, "can't close dataspace") + FUNC_LEAVE_NOAPI(ret_value) } /* H5S_select_deserialize() */ |