diff options
Diffstat (limited to 'src/H5Sall.c')
| -rw-r--r-- | src/H5Sall.c | 64 |
1 files changed, 44 insertions, 20 deletions
diff --git a/src/H5Sall.c b/src/H5Sall.c index 1377022..1738615 100644 --- a/src/H5Sall.c +++ b/src/H5Sall.c @@ -36,10 +36,9 @@ static herr_t H5S__all_get_seq_list(const H5S_t *space, unsigned flags, size_t *nseq, size_t *nbytes, hsize_t *off, size_t *len); 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, H5F_t *f); -static herr_t H5S__all_serialize(const H5S_t *space, uint8_t **p, H5F_t *f); -static herr_t H5S__all_deserialize(H5S_t *space, uint32_t version, uint8_t flags, - const uint8_t **p); +static hssize_t H5S__all_serial_size(const H5S_t *space); +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 int H5S__all_unlim_dim(const H5S_t *space); @@ -56,7 +55,7 @@ static herr_t H5S__all_iter_coords(const H5S_sel_iter_t *iter, hsize_t *coords); static herr_t H5S__all_iter_block(const H5S_sel_iter_t *iter, hsize_t *start, hsize_t *end); static hsize_t H5S__all_iter_nelmts(const H5S_sel_iter_t *iter); static htri_t H5S__all_iter_has_next_block(const H5S_sel_iter_t *iter); -static herr_t H5S__all_iter_next(H5S_sel_iter_t *sel_iter, hsize_t nelem); +static herr_t H5S__all_iter_next(H5S_sel_iter_t *sel_iter, size_t nelem); static herr_t H5S__all_iter_next_block(H5S_sel_iter_t *sel_iter); static herr_t H5S__all_iter_release(H5S_sel_iter_t *sel_iter); @@ -268,7 +267,7 @@ H5S__all_iter_has_next_block(const H5S_sel_iter_t H5_ATTR_UNUSED *iter) USAGE herr_t H5S__all_iter_next(iter, nelem) H5S_sel_iter_t *iter; IN: Pointer to selection iterator - hsize_t nelem; IN: Number of elements to advance by + size_t nelem; IN: Number of elements to advance by RETURNS Non-negative on success/Negative on failure DESCRIPTION @@ -279,7 +278,7 @@ H5S__all_iter_has_next_block(const H5S_sel_iter_t H5_ATTR_UNUSED *iter) REVISION LOG --------------------------------------------------------------------------*/ static herr_t -H5S__all_iter_next(H5S_sel_iter_t *iter, hsize_t nelem) +H5S__all_iter_next(H5S_sel_iter_t *iter, size_t nelem) { FUNC_ENTER_STATIC_NOERR @@ -457,9 +456,8 @@ H5S__all_is_valid(const H5S_t H5_ATTR_UNUSED *space) Determine the number of bytes needed to store the serialized "all" selection information. USAGE - hssize_t H5S_all_serial_size(space, f) + hssize_t H5S_all_serial_size(space) H5S_t *space; IN: Dataspace pointer to query - H5F_t *f; IN: File pointer RETURNS The number of bytes required on success, negative on an error. DESCRIPTION @@ -471,7 +469,7 @@ H5S__all_is_valid(const H5S_t H5_ATTR_UNUSED *space) REVISION LOG --------------------------------------------------------------------------*/ static hssize_t -H5S__all_serial_size (const H5S_t H5_ATTR_UNUSED *space, H5F_t H5_ATTR_UNUSED *f) +H5S__all_serial_size (const H5S_t H5_ATTR_UNUSED *space) { FUNC_ENTER_STATIC_NOERR @@ -491,12 +489,11 @@ H5S__all_serial_size (const H5S_t H5_ATTR_UNUSED *space, H5F_t H5_ATTR_UNUSED *f PURPOSE Serialize the current selection into a user-provided buffer. USAGE - herr_t H5S__all_serialize(space, p, f) + 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. - H5F_t *f; IN: File pointer RETURNS Non-negative on success/Negative on failure DESCRIPTION @@ -508,7 +505,7 @@ H5S__all_serial_size (const H5S_t H5_ATTR_UNUSED *space, H5F_t H5_ATTR_UNUSED *f REVISION LOG --------------------------------------------------------------------------*/ static herr_t -H5S__all_serialize(const H5S_t *space, uint8_t **p, H5F_t H5_ATTR_UNUSED *f) +H5S__all_serialize(const H5S_t *space, uint8_t **p) { uint8_t *pp = (*p); /* Local pointer for decoding */ @@ -539,10 +536,8 @@ H5S__all_serialize(const H5S_t *space, uint8_t **p, H5F_t H5_ATTR_UNUSED *f) Deserialize the current selection from a user-provided buffer. USAGE herr_t H5S_all_deserialize(space, p) - H5S_t *space; IN/OUT: Dataspace pointer to place + H5S_t **space; IN/OUT: Dataspace pointer to place selection into - uint32_t version IN: Selection version - uint8_t flags IN: Selection flags uint8 **p; OUT: Pointer to buffer holding serialized selection. Will be advanced to end of serialized selection. @@ -557,22 +552,51 @@ H5S__all_serialize(const H5S_t *space, uint8_t **p, H5F_t H5_ATTR_UNUSED *f) REVISION LOG --------------------------------------------------------------------------*/ static herr_t -H5S__all_deserialize(H5S_t *space, uint32_t H5_ATTR_UNUSED version, uint8_t H5_ATTR_UNUSED flags, - const uint8_t H5_ATTR_UNUSED **p) +H5S__all_deserialize(H5S_t **space, const uint8_t **p) { + uint32_t version; /* Version number */ + H5S_t *tmp_space = NULL; /* Pointer to actual dataspace to use, + either *space or a newly allocated one */ herr_t ret_value = SUCCEED; /* return value */ FUNC_ENTER_STATIC - HDassert(space); HDassert(p); HDassert(*p); + /* As part of the efforts to push all selection-type specific coding + to the callbacks, the coding for the allocation of a null dataspace + is moved from H5S_select_deserialize() in H5Sselect.c. + This is needed for decoding virtual layout in H5O__layout_decode() */ + + /* 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 version */ + UINT32DECODE(*p, version); + + /* Skip over the remainder of the header */ + *p += 8; + /* Change to "all" selection */ - if(H5S_select_all(space, TRUE) < 0) + if(H5S_select_all(tmp_space, TRUE) < 0) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTDELETE, FAIL, "can't change 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__all_deserialize() */ |