diff options
Diffstat (limited to 'src/H5Snone.c')
| -rw-r--r-- | src/H5Snone.c | 577 |
1 files changed, 333 insertions, 244 deletions
diff --git a/src/H5Snone.c b/src/H5Snone.c index a8aaf7e..9d64e9d 100644 --- a/src/H5Snone.c +++ b/src/H5Snone.c @@ -18,166 +18,197 @@ * Purpose: "None" selection dataspace I/O functions. */ +/****************/ +/* Module Setup */ +/****************/ + #include "H5Smodule.h" /* This source code file is part of the H5S module */ -#include "H5private.h" -#include "H5Eprivate.h" -#include "H5Iprivate.h" -#include "H5Spkg.h" -#include "H5VMprivate.h" -#include "H5Dprivate.h" +/***********/ +/* Headers */ +/***********/ +#include "H5private.h" /* Generic Functions */ +#include "H5Eprivate.h" /* Error handling */ +#include "H5Iprivate.h" /* ID Functions */ +#include "H5Spkg.h" /* Dataspace functions */ +#include "H5VMprivate.h" /* Vector functions */ + + +/****************/ +/* Local Macros */ +/****************/ + + +/******************/ +/* Local Typedefs */ +/******************/ + -/* Static function prototypes */ +/********************/ +/* Local Prototypes */ +/********************/ /* Selection callbacks */ -static herr_t H5S_none_copy(H5S_t *dst, const H5S_t *src, hbool_t share_selection); -static herr_t H5S_none_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); -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 **p); -static herr_t H5S_none_deserialize(H5S_t *space, uint32_t version, uint8_t flags, - 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 herr_t H5S__none_copy(H5S_t *dst, const H5S_t *src, hbool_t share_selection); +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 **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 int H5S__none_unlim_dim(const H5S_t *space); -static htri_t H5S_none_is_contiguous(const H5S_t *space); -static htri_t H5S_none_is_single(const H5S_t *space); -static htri_t H5S_none_is_regular(const H5S_t *space); -static herr_t H5S_none_adjust_u(H5S_t *space, const hsize_t *offset); -static herr_t H5S_none_project_scalar(const H5S_t *space, hsize_t *offset); -static herr_t H5S_none_project_simple(const H5S_t *space, H5S_t *new_space, hsize_t *offset); -static herr_t H5S_none_iter_init(H5S_sel_iter_t *iter, const H5S_t *space); +static htri_t H5S__none_is_contiguous(const H5S_t *space); +static htri_t H5S__none_is_single(const H5S_t *space); +static htri_t H5S__none_is_regular(const H5S_t *space); +static htri_t H5S__none_shape_same(const H5S_t *space1, const H5S_t *space2); +static herr_t H5S__none_adjust_u(H5S_t *space, const hsize_t *offset); +static herr_t H5S__none_project_scalar(const H5S_t *space, hsize_t *offset); +static herr_t H5S__none_project_simple(const H5S_t *space, H5S_t *new_space, hsize_t *offset); +static herr_t H5S__none_iter_init(const H5S_t *space, H5S_sel_iter_t *iter); /* Selection iteration callbacks */ -static herr_t H5S_none_iter_coords(const H5S_sel_iter_t *iter, hsize_t *coords); -static herr_t H5S_none_iter_block(const H5S_sel_iter_t *iter, hsize_t *start, hsize_t *end); -static hsize_t H5S_none_iter_nelmts(const H5S_sel_iter_t *iter); -static htri_t H5S_none_iter_has_next_block(const H5S_sel_iter_t *iter); -static herr_t H5S_none_iter_next(H5S_sel_iter_t *sel_iter, size_t nelem); -static herr_t H5S_none_iter_next_block(H5S_sel_iter_t *sel_iter); -static herr_t H5S_none_iter_release(H5S_sel_iter_t *sel_iter); +static herr_t H5S__none_iter_coords(const H5S_sel_iter_t *iter, hsize_t *coords); +static herr_t H5S__none_iter_block(const H5S_sel_iter_t *iter, hsize_t *start, hsize_t *end); +static hsize_t H5S__none_iter_nelmts(const H5S_sel_iter_t *iter); +static htri_t H5S__none_iter_has_next_block(const H5S_sel_iter_t *iter); +static herr_t H5S__none_iter_next(H5S_sel_iter_t *sel_iter, size_t nelem); +static herr_t H5S__none_iter_next_block(H5S_sel_iter_t *sel_iter); +static herr_t H5S__none_iter_get_seq_list(H5S_sel_iter_t *iter, size_t maxseq, + size_t maxbytes, size_t *nseq, size_t *nbytes, hsize_t *off, size_t *len); +static herr_t H5S__none_iter_release(H5S_sel_iter_t *sel_iter); + + +/*****************************/ +/* Library Private Variables */ +/*****************************/ + + +/*********************/ +/* Package Variables */ +/*********************/ /* Selection properties for "none" selections */ const H5S_select_class_t H5S_sel_none[1] = {{ H5S_SEL_NONE, /* Methods on selection */ - H5S_none_copy, - H5S_none_get_seq_list, - H5S_none_release, - H5S_none_is_valid, - H5S_none_serial_size, - H5S_none_serialize, - H5S_none_deserialize, - H5S_none_bounds, - H5S_none_offset, + H5S__none_copy, + H5S__none_release, + H5S__none_is_valid, + H5S__none_serial_size, + H5S__none_serialize, + H5S__none_deserialize, + H5S__none_bounds, + H5S__none_offset, H5S__none_unlim_dim, NULL, - H5S_none_is_contiguous, - H5S_none_is_single, - H5S_none_is_regular, - H5S_none_adjust_u, - H5S_none_project_scalar, - H5S_none_project_simple, - H5S_none_iter_init, + H5S__none_is_contiguous, + H5S__none_is_single, + H5S__none_is_regular, + H5S__none_shape_same, + H5S__none_adjust_u, + H5S__none_project_scalar, + H5S__none_project_simple, + H5S__none_iter_init, }}; + +/*******************/ +/* Local Variables */ +/*******************/ + /* Iteration properties for "none" selections */ static const H5S_sel_iter_class_t H5S_sel_iter_none[1] = {{ H5S_SEL_NONE, /* Methods on selection iterator */ - H5S_none_iter_coords, - H5S_none_iter_block, - H5S_none_iter_nelmts, - H5S_none_iter_has_next_block, - H5S_none_iter_next, - H5S_none_iter_next_block, - H5S_none_iter_release, + H5S__none_iter_coords, + H5S__none_iter_block, + H5S__none_iter_nelmts, + H5S__none_iter_has_next_block, + H5S__none_iter_next, + H5S__none_iter_next_block, + H5S__none_iter_get_seq_list, + H5S__none_iter_release, }}; + /*------------------------------------------------------------------------- - * Function: H5S_none_iter_init + * Function: H5S__none_iter_init * * Purpose: Initializes iteration information for "none" selection. * - * Return: non-negative on success, negative on failure. + * Return: Non-negative on success, negative on failure. * * Programmer: Quincey Koziol * Tuesday, June 16, 1998 * - * Modifications: - * *------------------------------------------------------------------------- */ static herr_t -H5S_none_iter_init(H5S_sel_iter_t *iter, const H5S_t H5_ATTR_UNUSED *space) +H5S__none_iter_init(const H5S_t H5_ATTR_UNUSED *space, H5S_sel_iter_t *iter) { - FUNC_ENTER_NOAPI_NOINIT_NOERR + FUNC_ENTER_STATIC_NOERR /* Check args */ - HDassert(space && H5S_SEL_NONE==H5S_GET_SELECT_TYPE(space)); + HDassert(space && H5S_SEL_NONE == H5S_GET_SELECT_TYPE(space)); HDassert(iter); /* Initialize type of selection iterator */ iter->type = H5S_sel_iter_none; FUNC_LEAVE_NOAPI(SUCCEED) -} /* H5S_none_iter_init() */ +} /* end H5S__none_iter_init() */ /*------------------------------------------------------------------------- - * Function: H5S_none_iter_coords + * Function: H5S__none_iter_coords * * Purpose: Retrieve the current coordinates of iterator for current * selection * - * Return: non-negative on success, negative on failure + * Return: Non-negative on success, negative on failure * * Programmer: Quincey Koziol * Tuesday, April 22, 2003 * - * Modifications: - * *------------------------------------------------------------------------- */ static herr_t -H5S_none_iter_coords(const H5S_sel_iter_t H5_ATTR_UNUSED *iter, hsize_t H5_ATTR_UNUSED *coords) +H5S__none_iter_coords(const H5S_sel_iter_t H5_ATTR_UNUSED *iter, + hsize_t H5_ATTR_UNUSED *coords) { - FUNC_ENTER_NOAPI_NOINIT_NOERR + FUNC_ENTER_STATIC_NOERR /* Check args */ HDassert(iter); HDassert(coords); FUNC_LEAVE_NOAPI(FAIL) -} /* H5S_none_iter_coords() */ +} /* end H5S__none_iter_coords() */ /*------------------------------------------------------------------------- - * Function: H5S_none_iter_block + * Function: H5S__none_iter_block * * Purpose: Retrieve the current block of iterator for current * selection * - * Return: non-negative on success, negative on failure + * Return: Non-negative on success, negative on failure * * Programmer: Quincey Koziol * Monday, June 2, 2003 * - * Modifications: - * *------------------------------------------------------------------------- */ static herr_t -H5S_none_iter_block(const H5S_sel_iter_t H5_ATTR_UNUSED *iter, hsize_t H5_ATTR_UNUSED *start, hsize_t H5_ATTR_UNUSED *end) +H5S__none_iter_block(const H5S_sel_iter_t H5_ATTR_UNUSED *iter, + hsize_t H5_ATTR_UNUSED *start, hsize_t H5_ATTR_UNUSED *end) { - FUNC_ENTER_NOAPI_NOINIT_NOERR + FUNC_ENTER_STATIC_NOERR /* Check args */ HDassert(iter); @@ -185,42 +216,40 @@ H5S_none_iter_block(const H5S_sel_iter_t H5_ATTR_UNUSED *iter, hsize_t H5_ATTR_U HDassert(end); FUNC_LEAVE_NOAPI(FAIL) -} /* H5S_none_iter_block() */ +} /* end H5S__none_iter_block() */ /*------------------------------------------------------------------------- - * Function: H5S_none_iter_nelmts + * Function: H5S__none_iter_nelmts * * Purpose: Return number of elements left to process in iterator * - * Return: non-negative number of elements on success, zero on failure + * Return: Non-negative number of elements on success, zero on failure * * Programmer: Quincey Koziol * Tuesday, June 16, 1998 * - * Modifications: - * *------------------------------------------------------------------------- */ static hsize_t -H5S_none_iter_nelmts(const H5S_sel_iter_t H5_ATTR_UNUSED *iter) +H5S__none_iter_nelmts(const H5S_sel_iter_t H5_ATTR_UNUSED *iter) { - FUNC_ENTER_NOAPI_NOINIT_NOERR + FUNC_ENTER_STATIC_NOERR /* Check args */ HDassert(iter); FUNC_LEAVE_NOAPI(0) -} /* H5S_none_iter_nelmts() */ +} /* end H5S__none_iter_nelmts() */ /*-------------------------------------------------------------------------- NAME - H5S_none_iter_has_next_block + H5S__none_iter_has_next_block PURPOSE Check if there is another block left in the current iterator USAGE - htri_t H5S_none_iter_has_next_block(iter) + htri_t H5S__none_iter_has_next_block(iter) const H5S_sel_iter_t *iter; IN: Pointer to selection iterator RETURNS Non-negative (TRUE/FALSE) on success/Negative on failure @@ -232,24 +261,24 @@ H5S_none_iter_nelmts(const H5S_sel_iter_t H5_ATTR_UNUSED *iter) REVISION LOG --------------------------------------------------------------------------*/ static htri_t -H5S_none_iter_has_next_block(const H5S_sel_iter_t H5_ATTR_UNUSED *iter) +H5S__none_iter_has_next_block(const H5S_sel_iter_t H5_ATTR_UNUSED *iter) { - FUNC_ENTER_NOAPI_NOINIT_NOERR + FUNC_ENTER_STATIC_NOERR /* Check args */ HDassert(iter); FUNC_LEAVE_NOAPI(FAIL) -} /* H5S_none_iter_has_next_block() */ +} /* end H5S__none_iter_has_next_block() */ /*-------------------------------------------------------------------------- NAME - H5S_none_iter_next + H5S__none_iter_next PURPOSE Increment selection iterator USAGE - herr_t H5S_none_iter_next(iter, nelem) + herr_t H5S__none_iter_next(iter, nelem) H5S_sel_iter_t *iter; IN: Pointer to selection iterator size_t nelem; IN: Number of elements to advance by RETURNS @@ -262,25 +291,25 @@ H5S_none_iter_has_next_block(const H5S_sel_iter_t H5_ATTR_UNUSED *iter) REVISION LOG --------------------------------------------------------------------------*/ static herr_t -H5S_none_iter_next(H5S_sel_iter_t H5_ATTR_UNUSED *iter, size_t H5_ATTR_UNUSED nelem) +H5S__none_iter_next(H5S_sel_iter_t H5_ATTR_UNUSED *iter, size_t H5_ATTR_UNUSED nelem) { - FUNC_ENTER_NOAPI_NOINIT_NOERR + FUNC_ENTER_STATIC_NOERR /* Check args */ HDassert(iter); - HDassert(nelem>0); + HDassert(nelem > 0); FUNC_LEAVE_NOAPI(SUCCEED) -} /* H5S_none_iter_next() */ +} /* end H5S__none_iter_next() */ /*-------------------------------------------------------------------------- NAME - H5S_none_iter_next_block + H5S__none_iter_next_block PURPOSE Increment selection iterator to next block USAGE - herr_t H5S_none_iter_next(iter) + herr_t H5S__none_iter_next(iter) H5S_sel_iter_t *iter; IN: Pointer to selection iterator RETURNS Non-negative on success/Negative on failure @@ -292,24 +321,79 @@ H5S_none_iter_next(H5S_sel_iter_t H5_ATTR_UNUSED *iter, size_t H5_ATTR_UNUSED ne REVISION LOG --------------------------------------------------------------------------*/ static herr_t -H5S_none_iter_next_block(H5S_sel_iter_t H5_ATTR_UNUSED *iter) +H5S__none_iter_next_block(H5S_sel_iter_t H5_ATTR_UNUSED *iter) { - FUNC_ENTER_NOAPI_NOINIT_NOERR + FUNC_ENTER_STATIC_NOERR /* Check args */ HDassert(iter); FUNC_LEAVE_NOAPI(FAIL) -} /* H5S_none_iter_next_block() */ +} /* end H5S__none_iter_next_block() */ + + +/*-------------------------------------------------------------------------- + NAME + H5S__none_iter_get_seq_list + PURPOSE + Create a list of offsets & lengths for a selection + USAGE + herr_t H5S__none_iter_get_seq_list(iter,maxseq,maxelem,nseq,nelem,off,len) + H5S_sel_iter_t *iter; IN/OUT: Selection iterator describing last + position of interest in selection. + size_t maxseq; IN: Maximum number of sequences to generate + size_t maxelem; IN: Maximum number of elements to include in the + generated sequences + size_t *nseq; OUT: Actual number of sequences generated + size_t *nelem; OUT: Actual number of elements in sequences generated + hsize_t *off; OUT: Array of offsets + size_t *len; OUT: Array of lengths + RETURNS + Non-negative on success/Negative on failure. + DESCRIPTION + Use the selection in the dataspace to generate a list of byte offsets and + lengths for the region(s) selected. Start/Restart from the position in the + ITER parameter. The number of sequences generated is limited by the MAXSEQ + parameter and the number of sequences actually generated is stored in the + NSEQ parameter. + GLOBAL VARIABLES + COMMENTS, BUGS, ASSUMPTIONS + EXAMPLES + REVISION LOG +--------------------------------------------------------------------------*/ +static herr_t +H5S__none_iter_get_seq_list(H5S_sel_iter_t H5_ATTR_UNUSED *iter, + size_t H5_ATTR_UNUSED maxseq, size_t H5_ATTR_UNUSED maxelem, size_t *nseq, + size_t *nelem, hsize_t H5_ATTR_UNUSED *off, size_t H5_ATTR_UNUSED *len) +{ + FUNC_ENTER_STATIC_NOERR + + /* Check args */ + HDassert(iter); + HDassert(maxseq > 0); + HDassert(maxelem > 0); + HDassert(nseq); + HDassert(nelem); + HDassert(off); + HDassert(len); + + /* "none" selections don't generate sequences of bytes */ + *nseq = 0; + + /* They don't use any elements, either */ + *nelem = 0; + + FUNC_LEAVE_NOAPI(SUCCEED) +} /* end H5S__none_iter_get_seq_list() */ /*-------------------------------------------------------------------------- NAME - H5S_none_iter_release + H5S__none_iter_release PURPOSE Release "none" selection iterator information for a dataspace USAGE - herr_t H5S_none_iter_release(iter) + herr_t H5S__none_iter_release(iter) H5S_sel_iter_t *iter; IN: Pointer to selection iterator RETURNS Non-negative on success/Negative on failure @@ -321,24 +405,24 @@ H5S_none_iter_next_block(H5S_sel_iter_t H5_ATTR_UNUSED *iter) REVISION LOG --------------------------------------------------------------------------*/ static herr_t -H5S_none_iter_release(H5S_sel_iter_t H5_ATTR_UNUSED * iter) +H5S__none_iter_release(H5S_sel_iter_t H5_ATTR_UNUSED *iter) { - FUNC_ENTER_NOAPI_NOINIT_NOERR + FUNC_ENTER_STATIC_NOERR /* Check args */ HDassert(iter); FUNC_LEAVE_NOAPI(SUCCEED) -} /* H5S_none_iter_release() */ +} /* end H5S__none_iter_release() */ /*-------------------------------------------------------------------------- NAME - H5S_none_release + H5S__none_release PURPOSE Release none selection information for a dataspace USAGE - herr_t H5S_none_release(space) + herr_t H5S__none_release(space) H5S_t *space; IN: Pointer to dataspace RETURNS Non-negative on success/Negative on failure @@ -350,26 +434,27 @@ H5S_none_iter_release(H5S_sel_iter_t H5_ATTR_UNUSED * iter) REVISION LOG --------------------------------------------------------------------------*/ static herr_t -H5S_none_release(H5S_t H5_ATTR_UNUSED * space) +H5S__none_release(H5S_t H5_ATTR_UNUSED *space) { - FUNC_ENTER_NOAPI_NOINIT_NOERR + FUNC_ENTER_STATIC_NOERR /* Check args */ HDassert(space); FUNC_LEAVE_NOAPI(SUCCEED) -} /* H5S_none_release() */ +} /* end H5S__none_release() */ /*-------------------------------------------------------------------------- NAME - H5S_none_copy + H5S__none_copy PURPOSE Copy a selection from one dataspace to another USAGE - herr_t H5S_none_copy(dst, src) + herr_t H5S__none_copy(dst, src, share_selection) H5S_t *dst; OUT: Pointer to the destination dataspace H5S_t *src; IN: Pointer to the source dataspace + hbool_t; IN: Whether to share the selection between the dataspaces RETURNS Non-negative on success/Negative on failure DESCRIPTION @@ -381,9 +466,10 @@ H5S_none_release(H5S_t H5_ATTR_UNUSED * space) REVISION LOG --------------------------------------------------------------------------*/ static herr_t -H5S_none_copy(H5S_t *dst, const H5S_t H5_ATTR_UNUSED *src, hbool_t H5_ATTR_UNUSED share_selection) +H5S__none_copy(H5S_t *dst, const H5S_t H5_ATTR_UNUSED *src, + hbool_t H5_ATTR_UNUSED share_selection) { - FUNC_ENTER_NOAPI_NOINIT_NOERR + FUNC_ENTER_STATIC_NOERR HDassert(src); HDassert(dst); @@ -392,17 +478,17 @@ H5S_none_copy(H5S_t *dst, const H5S_t H5_ATTR_UNUSED *src, hbool_t H5_ATTR_UNUSE dst->select.num_elem = 0; FUNC_LEAVE_NOAPI(SUCCEED) -} /* end H5S_none_copy() */ +} /* end H5S__none_copy() */ /*-------------------------------------------------------------------------- NAME - H5S_none_is_valid + H5S__none_is_valid PURPOSE Check whether the selection fits within the extent, with the current offset defined. USAGE - htri_t H5S_none_is_valid(space); + htri_t H5S__none_is_valid(space); H5S_t *space; IN: Dataspace pointer to query RETURNS TRUE if the selection fits within the extent, FALSE if it does not and @@ -416,24 +502,24 @@ H5S_none_copy(H5S_t *dst, const H5S_t H5_ATTR_UNUSED *src, hbool_t H5_ATTR_UNUSE REVISION LOG --------------------------------------------------------------------------*/ static htri_t -H5S_none_is_valid(const H5S_t H5_ATTR_UNUSED *space) +H5S__none_is_valid(const H5S_t H5_ATTR_UNUSED *space) { - FUNC_ENTER_NOAPI_NOINIT_NOERR + FUNC_ENTER_STATIC_NOERR HDassert(space); FUNC_LEAVE_NOAPI(TRUE) -} /* end H5S_none_is_valid() */ +} /* end H5S__none_is_valid() */ /*-------------------------------------------------------------------------- NAME - H5S_none_serial_size + H5S__none_serial_size PURPOSE Determine the number of bytes needed to store the serialized "none" selection information. USAGE - hssize_t H5S_none_serial_size(space) + hssize_t H5S__none_serial_size(space) H5S_t *space; IN: Dataspace pointer to query RETURNS The number of bytes required on success, negative on an error. @@ -446,9 +532,9 @@ H5S_none_is_valid(const H5S_t H5_ATTR_UNUSED *space) REVISION LOG --------------------------------------------------------------------------*/ static hssize_t -H5S_none_serial_size(const H5S_t H5_ATTR_UNUSED *space) +H5S__none_serial_size(const H5S_t H5_ATTR_UNUSED *space) { - FUNC_ENTER_NOAPI_NOINIT_NOERR + FUNC_ENTER_STATIC_NOERR HDassert(space); @@ -457,16 +543,16 @@ H5S_none_serial_size(const H5S_t H5_ATTR_UNUSED *space) * <length (4 bytes)> = 16 bytes */ FUNC_LEAVE_NOAPI(16) -} /* end H5S_none_serial_size() */ +} /* end H5S__none_serial_size() */ /*-------------------------------------------------------------------------- NAME - H5S_none_serialize + H5S__none_serialize PURPOSE Serialize the current selection into a user-provided buffer. USAGE - herr_t H5S_none_serialize(space, p) + 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 @@ -482,11 +568,11 @@ H5S_none_serial_size(const H5S_t H5_ATTR_UNUSED *space) REVISION LOG --------------------------------------------------------------------------*/ static herr_t -H5S_none_serialize(const H5S_t *space, uint8_t **p) +H5S__none_serialize(const H5S_t *space, uint8_t **p) { uint8_t *pp = (*p); /* Local pointer for decoding */ - FUNC_ENTER_NOAPI_NOINIT_NOERR + FUNC_ENTER_STATIC_NOERR /* Check args */ HDassert(space); @@ -495,7 +581,7 @@ H5S_none_serialize(const H5S_t *space, uint8_t **p) /* Store the preamble information */ UINT32ENCODE(pp, (uint32_t)H5S_GET_SELECT_TYPE(space)); /* Store the type of selection */ - UINT32ENCODE(pp, (uint32_t)1); /* Store the version number */ + UINT32ENCODE(pp, (uint32_t)H5S_NONE_VERSION_1); /* Store the version number */ UINT32ENCODE(pp, (uint32_t)0); /* Store the un-used padding */ UINT32ENCODE(pp, (uint32_t)0); /* Store the additional information length */ @@ -503,20 +589,18 @@ H5S_none_serialize(const H5S_t *space, uint8_t **p) *p = pp; FUNC_LEAVE_NOAPI(SUCCEED) -} /* H5S_none_serialize() */ +} /* end H5S__none_serialize() */ /*-------------------------------------------------------------------------- NAME - H5S_none_deserialize + H5S__none_deserialize PURPOSE Deserialize the current selection from a user-provided buffer. USAGE - herr_t H5S_none_deserialize(space, version, flags, p) - H5S_t *space; IN/OUT: Dataspace pointer to place + herr_t H5S__none_deserialize(space, version, flags, p) + 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. @@ -531,33 +615,61 @@ H5S_none_serialize(const H5S_t *space, uint8_t **p) REVISION LOG --------------------------------------------------------------------------*/ static herr_t -H5S_none_deserialize(H5S_t *space, uint32_t H5_ATTR_UNUSED version, uint8_t H5_ATTR_UNUSED flags, - const uint8_t H5_ATTR_UNUSED **p) +H5S__none_deserialize(H5S_t **space, const uint8_t **p) { - herr_t ret_value = SUCCEED; /* return value */ + H5S_t *tmp_space = NULL; /* Pointer to actual dataspace to use, + either *space or a newly allocated one */ + uint32_t version; /* Version number */ + herr_t ret_value = SUCCEED; /* return value */ - FUNC_ENTER_NOAPI_NOINIT + 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 to here. + 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 "none" selection */ - if(H5S_select_none(space) < 0) + if(H5S_select_none(tmp_space) < 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_none_deserialize() */ +} /* end H5S__none_deserialize() */ /*-------------------------------------------------------------------------- NAME - H5S_none_bounds + H5S__none_bounds PURPOSE Gets the bounding box containing the selection. USAGE - herr_t H5S_none_bounds(space, start, end) + herr_t H5S__none_bounds(space, start, end) H5S_t *space; IN: Dataspace pointer of selection to query hsize_t *start; OUT: Starting coordinate of bounding box hsize_t *end; OUT: Opposite coordinate of bounding box @@ -577,25 +689,26 @@ done: REVISION LOG --------------------------------------------------------------------------*/ static herr_t -H5S_none_bounds(const H5S_t H5_ATTR_UNUSED *space, hsize_t H5_ATTR_UNUSED *start, hsize_t H5_ATTR_UNUSED *end) +H5S__none_bounds(const H5S_t H5_ATTR_UNUSED *space, hsize_t H5_ATTR_UNUSED *start, + hsize_t H5_ATTR_UNUSED *end) { - FUNC_ENTER_NOAPI_NOINIT_NOERR + FUNC_ENTER_STATIC_NOERR HDassert(space); HDassert(start); HDassert(end); FUNC_LEAVE_NOAPI(FAIL) -} /* H5Sget_none_bounds() */ +} /* end H5Sget_none_bounds() */ /*-------------------------------------------------------------------------- NAME - H5S_none_offset + H5S__none_offset PURPOSE Gets the linear offset of the first element for the selection. USAGE - herr_t H5S_none_offset(space, offset) + herr_t H5S__none_offset(space, offset) const H5S_t *space; IN: Dataspace pointer of selection to query hsize_t *offset; OUT: Linear offset of first element in selection RETURNS @@ -610,15 +723,15 @@ H5S_none_bounds(const H5S_t H5_ATTR_UNUSED *space, hsize_t H5_ATTR_UNUSED *start REVISION LOG --------------------------------------------------------------------------*/ static herr_t -H5S_none_offset(const H5S_t H5_ATTR_UNUSED *space, hsize_t H5_ATTR_UNUSED *offset) +H5S__none_offset(const H5S_t H5_ATTR_UNUSED *space, hsize_t H5_ATTR_UNUSED *offset) { - FUNC_ENTER_NOAPI_NOINIT_NOERR + FUNC_ENTER_STATIC_NOERR HDassert(space); HDassert(offset); FUNC_LEAVE_NOAPI(FAIL) -} /* H5S_none_offset() */ +} /* end H5S__none_offset() */ /*-------------------------------------------------------------------------- @@ -651,11 +764,11 @@ H5S__none_unlim_dim(const H5S_t H5_ATTR_UNUSED *space) /*-------------------------------------------------------------------------- NAME - H5S_none_is_contiguous + H5S__none_is_contiguous PURPOSE Check if a "none" selection is contiguous within the dataspace extent. USAGE - htri_t H5S_none_is_contiguous(space) + htri_t H5S__none_is_contiguous(space) H5S_t *space; IN: Dataspace pointer to check RETURNS TRUE/FALSE/FAIL @@ -668,23 +781,23 @@ H5S__none_unlim_dim(const H5S_t H5_ATTR_UNUSED *space) REVISION LOG --------------------------------------------------------------------------*/ static htri_t -H5S_none_is_contiguous(const H5S_t H5_ATTR_UNUSED *space) +H5S__none_is_contiguous(const H5S_t H5_ATTR_UNUSED *space) { - FUNC_ENTER_NOAPI_NOINIT_NOERR + FUNC_ENTER_STATIC_NOERR HDassert(space); FUNC_LEAVE_NOAPI(FALSE) -} /* H5S_none_is_contiguous() */ +} /* end H5S__none_is_contiguous() */ /*-------------------------------------------------------------------------- NAME - H5S_none_is_single + H5S__none_is_single PURPOSE Check if a "none" selection is a single block within the dataspace extent. USAGE - htri_t H5S_none_is_single(space) + htri_t H5S__none_is_single(space) H5S_t *space; IN: Dataspace pointer to check RETURNS TRUE/FALSE/FAIL @@ -697,23 +810,23 @@ H5S_none_is_contiguous(const H5S_t H5_ATTR_UNUSED *space) REVISION LOG --------------------------------------------------------------------------*/ static htri_t -H5S_none_is_single(const H5S_t H5_ATTR_UNUSED *space) +H5S__none_is_single(const H5S_t H5_ATTR_UNUSED *space) { - FUNC_ENTER_NOAPI_NOINIT_NOERR + FUNC_ENTER_STATIC_NOERR HDassert(space); FUNC_LEAVE_NOAPI(FALSE) -} /* H5S_none_is_single() */ +} /* end H5S__none_is_single() */ /*-------------------------------------------------------------------------- NAME - H5S_none_is_regular + H5S__none_is_regular PURPOSE Check if a "none" selection is "regular" USAGE - htri_t H5S_none_is_regular(space) + htri_t H5S__none_is_regular(space) const H5S_t *space; IN: Dataspace pointer to check RETURNS TRUE/FALSE/FAIL @@ -727,24 +840,57 @@ H5S_none_is_single(const H5S_t H5_ATTR_UNUSED *space) REVISION LOG --------------------------------------------------------------------------*/ static htri_t -H5S_none_is_regular(const H5S_t H5_ATTR_UNUSED *space) +H5S__none_is_regular(const H5S_t H5_ATTR_UNUSED *space) { - FUNC_ENTER_NOAPI_NOINIT_NOERR + FUNC_ENTER_STATIC_NOERR /* Check args */ HDassert(space); FUNC_LEAVE_NOAPI(TRUE) -} /* H5S_none_is_regular() */ +} /* end H5S__none_is_regular() */ /*-------------------------------------------------------------------------- NAME - H5S_none_adjust_u + H5S__none_shape_same + PURPOSE + Check if a two "none" selections are the same shape + USAGE + htri_t H5S__none_shape_same(space1, space2) + const H5S_t *space1; IN: First dataspace to check + const H5S_t *space2; IN: Second dataspace to check + RETURNS + TRUE / FALSE / FAIL + DESCRIPTION + Checks to see if the current selection in each dataspace are the same + shape. + GLOBAL VARIABLES + COMMENTS, BUGS, ASSUMPTIONS + EXAMPLES + REVISION LOG +--------------------------------------------------------------------------*/ +static htri_t +H5S__none_shape_same(const H5S_t H5_ATTR_UNUSED *space1, + const H5S_t H5_ATTR_UNUSED *space2) +{ + FUNC_ENTER_STATIC_NOERR + + /* Check args */ + HDassert(space1); + HDassert(space2); + + FUNC_LEAVE_NOAPI(TRUE) +} /* end H5S__none_shape_same() */ + + +/*-------------------------------------------------------------------------- + NAME + H5S__none_adjust_u PURPOSE Adjust an "none" selection by subtracting an offset USAGE - herr_t H5S_none_adjust_u(space, offset) + herr_t H5S__none_adjust_u(space, offset) H5S_t *space; IN/OUT: Pointer to dataspace to adjust const hsize_t *offset; IN: Offset to subtract RETURNS @@ -757,24 +903,24 @@ H5S_none_is_regular(const H5S_t H5_ATTR_UNUSED *space) REVISION LOG --------------------------------------------------------------------------*/ static herr_t -H5S_none_adjust_u(H5S_t H5_ATTR_UNUSED *space, const hsize_t H5_ATTR_UNUSED *offset) +H5S__none_adjust_u(H5S_t H5_ATTR_UNUSED *space, const hsize_t H5_ATTR_UNUSED *offset) { - FUNC_ENTER_NOAPI_NOINIT_NOERR + FUNC_ENTER_STATIC_NOERR /* Check args */ HDassert(space); HDassert(offset); FUNC_LEAVE_NOAPI(SUCCEED) -} /* H5S_none_adjust_u() */ +} /* end H5S__none_adjust_u() */ /*------------------------------------------------------------------------- - * Function: H5S_none_project_scalar + * Function: H5S__none_project_scalar * * Purpose: Projects a 'none' selection into a scalar dataspace * - * Return: non-negative on success, negative on failure. + * Return: Non-negative on success, negative on failure. * * Programmer: Quincey Koziol * Sunday, July 18, 2010 @@ -782,25 +928,25 @@ H5S_none_adjust_u(H5S_t H5_ATTR_UNUSED *space, const hsize_t H5_ATTR_UNUSED *off *------------------------------------------------------------------------- */ static herr_t -H5S_none_project_scalar(const H5S_t H5_ATTR_UNUSED *space, hsize_t H5_ATTR_UNUSED *offset) +H5S__none_project_scalar(const H5S_t H5_ATTR_UNUSED *space, hsize_t H5_ATTR_UNUSED *offset) { - FUNC_ENTER_NOAPI_NOINIT_NOERR + FUNC_ENTER_STATIC_NOERR /* Check args */ HDassert(space && H5S_SEL_NONE == H5S_GET_SELECT_TYPE(space)); HDassert(offset); FUNC_LEAVE_NOAPI(FAIL) -} /* H5S_none_project_scalar() */ +} /* end H5S__none_project_scalar() */ /*------------------------------------------------------------------------- - * Function: H5S_none_project_simple + * Function: H5S__none_project_simple * * Purpose: Projects an 'none' selection onto/into a simple dataspace * of a different rank * - * Return: non-negative on success, negative on failure. + * Return: Non-negative on success, negative on failure. * * Programmer: Quincey Koziol * Sunday, July 18, 2010 @@ -808,11 +954,12 @@ H5S_none_project_scalar(const H5S_t H5_ATTR_UNUSED *space, hsize_t H5_ATTR_UNUSE *------------------------------------------------------------------------- */ static herr_t -H5S_none_project_simple(const H5S_t *base_space, H5S_t *new_space, hsize_t *offset) +H5S__none_project_simple(const H5S_t H5_ATTR_UNUSED *base_space, + H5S_t *new_space, hsize_t H5_ATTR_UNUSED *offset) { herr_t ret_value = SUCCEED; /* Return value */ - FUNC_ENTER_NOAPI_NOINIT + FUNC_ENTER_STATIC /* Check args */ HDassert(base_space && H5S_SEL_NONE == H5S_GET_SELECT_TYPE(base_space)); @@ -825,7 +972,7 @@ H5S_none_project_simple(const H5S_t *base_space, H5S_t *new_space, hsize_t *offs done: FUNC_LEAVE_NOAPI(ret_value) -} /* H5S_none_project_simple() */ +} /* end H5S__none_project_simple() */ /*-------------------------------------------------------------------------- @@ -867,7 +1014,7 @@ H5S_select_none(H5S_t *space) done: FUNC_LEAVE_NOAPI(ret_value) -} /* H5S_select_none() */ +} /* end H5S_select_none() */ /*-------------------------------------------------------------------------- @@ -906,63 +1053,5 @@ H5Sselect_none(hid_t spaceid) done: FUNC_LEAVE_API(ret_value) -} /* H5Sselect_none() */ - - -/*-------------------------------------------------------------------------- - NAME - H5S_none_get_seq_list - PURPOSE - Create a list of offsets & lengths for a selection - USAGE - herr_t H5S_none_get_seq_list(space,flags,iter,maxseq,maxelem,nseq,nelem,off,len) - H5S_t *space; IN: Dataspace containing selection to use. - unsigned flags; IN: Flags for extra information about operation - H5S_sel_iter_t *iter; IN/OUT: Selection iterator describing last - position of interest in selection. - size_t maxseq; IN: Maximum number of sequences to generate - size_t maxelem; IN: Maximum number of elements to include in the - generated sequences - size_t *nseq; OUT: Actual number of sequences generated - size_t *nelem; OUT: Actual number of elements in sequences generated - hsize_t *off; OUT: Array of offsets - size_t *len; OUT: Array of lengths - RETURNS - Non-negative on success/Negative on failure. - DESCRIPTION - Use the selection in the dataspace to generate a list of byte offsets and - lengths for the region(s) selected. Start/Restart from the position in the - ITER parameter. The number of sequences generated is limited by the MAXSEQ - parameter and the number of sequences actually generated is stored in the - NSEQ parameter. - GLOBAL VARIABLES - COMMENTS, BUGS, ASSUMPTIONS - EXAMPLES - REVISION LOG ---------------------------------------------------------------------------*/ -static herr_t -H5S_none_get_seq_list(const H5S_t H5_ATTR_UNUSED *space, unsigned H5_ATTR_UNUSED flags, H5S_sel_iter_t H5_ATTR_UNUSED *iter, - size_t H5_ATTR_UNUSED maxseq, size_t H5_ATTR_UNUSED maxelem, size_t *nseq, size_t *nelem, - hsize_t H5_ATTR_UNUSED *off, size_t H5_ATTR_UNUSED *len) -{ - FUNC_ENTER_NOAPI_NOINIT_NOERR - - /* Check args */ - HDassert(space); - HDassert(iter); - HDassert(maxseq > 0); - HDassert(maxelem > 0); - HDassert(nseq); - HDassert(nelem); - HDassert(off); - HDassert(len); - - /* "none" selections don't generate sequences of bytes */ - *nseq = 0; - - /* They don't use any elements, either */ - *nelem = 0; - - FUNC_LEAVE_NOAPI(SUCCEED) -} /* end H5S_none_get_seq_list() */ +} /* end H5Sselect_none() */ |