diff options
Diffstat (limited to 'src/H5S.c')
| -rw-r--r-- | src/H5S.c | 238 |
1 files changed, 159 insertions, 79 deletions
@@ -17,10 +17,7 @@ /* Module Setup */ /****************/ -#define H5S_PACKAGE /*suppress error about including H5Spkg */ - -/* Interface initialization */ -#define H5_INTERFACE_INIT_FUNC H5S_init_interface +#include "H5Smodule.h" /* This source code file is part of the H5S module */ /***********/ @@ -52,17 +49,18 @@ /********************/ /* Local Prototypes */ /********************/ -static herr_t H5S_set_extent_simple (H5S_t *space, unsigned rank, - const hsize_t *dims, const hsize_t *max); static htri_t H5S_is_simple(const H5S_t *sdim); -static herr_t H5S_encode(H5S_t *obj, unsigned char *buf, size_t *nalloc); -static H5S_t *H5S_decode(const unsigned char *buf); +static herr_t H5S_encode(H5S_t *obj, unsigned char **p, size_t *nalloc); +static H5S_t *H5S_decode(const unsigned char **p); /*********************/ /* Package Variables */ /*********************/ +/* Package initialization variable */ +hbool_t H5_PKG_INIT_VAR = FALSE; + /*****************************/ /* Library Private Variables */ @@ -80,7 +78,7 @@ H5FL_DEFINE(H5S_extent_t); H5FL_DEFINE(H5S_t); /* Declare a free list to manage the array's of hsize_t's */ -H5FL_ARR_DEFINE(hsize_t,H5S_MAX_RANK); +H5FL_ARR_DEFINE(hsize_t, H5S_MAX_RANK); /* Dataspace ID class */ static const H5I_class_t H5I_DATASPACE_CLS[1] = {{ @@ -90,47 +88,52 @@ static const H5I_class_t H5I_DATASPACE_CLS[1] = {{ (H5I_free_t)H5S_close /* Callback routine for closing objects of this class */ }}; +/* Flag indicating "top" of interface has been initialized */ +static hbool_t H5S_top_package_initialize_s = FALSE; + /*-------------------------------------------------------------------------- NAME - H5S_init_interface -- Initialize interface-specific information + H5S__init_package -- Initialize interface-specific information USAGE - herr_t H5S_init_interface() - + herr_t H5S__init_package() RETURNS Non-negative on success/Negative on failure DESCRIPTION Initializes any interface-specific data or routines. - --------------------------------------------------------------------------*/ -static herr_t -H5S_init_interface(void) +herr_t +H5S__init_package(void) { herr_t ret_value = SUCCEED; /* Return value */ - FUNC_ENTER_NOAPI_NOINIT + FUNC_ENTER_PACKAGE /* Initialize the atom group for the file IDs */ if(H5I_register_type(H5I_DATASPACE_CLS) < 0) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTINIT, FAIL, "unable to initialize interface") + /* Mark "top" of interface as initialized, too */ + H5S_top_package_initialize_s = TRUE; + done: FUNC_LEAVE_NOAPI(ret_value) -} /* end H5S_init_interface() */ +} /* end H5S__init_package() */ /*-------------------------------------------------------------------------- NAME - H5S_term_interface + H5S_top_term_package PURPOSE Terminate various H5S objects USAGE - void H5S_term_interface() + void H5S_top_term_package() RETURNS Non-negative on success/Negative on failure DESCRIPTION - Release the atom group and any other resources allocated. + Release IDs for the atom group, deferring full interface shutdown + until later (in H5S_term_package). GLOBAL VARIABLES COMMENTS, BUGS, ASSUMPTIONS Can't report errors... @@ -138,29 +141,69 @@ done: REVISION LOG --------------------------------------------------------------------------*/ int -H5S_term_interface(void) +H5S_top_term_package(void) { int n = 0; FUNC_ENTER_NOAPI_NOINIT_NOERR - if(H5_interface_initialize_g) { + if(H5S_top_package_initialize_s) { if(H5I_nmembers(H5I_DATASPACE) > 0) { (void)H5I_clear_type(H5I_DATASPACE, FALSE, FALSE); n++; /*H5I*/ } /* end if */ - else { - /* Destroy the dataspace object id group */ - (void)H5I_dec_type_ref(H5I_DATASPACE); - n++; /*H5I*/ - /* Shut down interface */ - H5_interface_initialize_g = 0; - } /* end else */ + /* Mark "top" of interface as closed */ + if(0 == n) + H5S_top_package_initialize_s = FALSE; + } /* end if */ + + FUNC_LEAVE_NOAPI(n) +} /* end H5S_top_term_package() */ + + +/*-------------------------------------------------------------------------- + NAME + H5S_term_package + PURPOSE + Terminate various H5S objects + USAGE + void H5S_term_package() + RETURNS + Non-negative on success/Negative on failure + DESCRIPTION + Release the atom group and any other resources allocated. + GLOBAL VARIABLES + COMMENTS, BUGS, ASSUMPTIONS + Can't report errors... + + Finishes shutting down the interface, after H5S_top_term_package() + is called + EXAMPLES + REVISION LOG +--------------------------------------------------------------------------*/ +int +H5S_term_package(void) +{ + int n = 0; + + FUNC_ENTER_NOAPI_NOINIT_NOERR + + if(H5_PKG_INIT_VAR) { + /* Sanity checks */ + HDassert(0 == H5I_nmembers(H5I_DATASPACE)); + HDassert(FALSE == H5S_top_package_initialize_s); + + /* Destroy the dataspace object id group */ + n += (H5I_dec_type_ref(H5I_DATASPACE) > 0); + + /* Mark interface as closed */ + if(0 == n) + H5_PKG_INIT_VAR = FALSE; } /* end if */ FUNC_LEAVE_NOAPI(n) -} /* end H5S_term_interface() */ +} /* end H5S_term_package() */ /*-------------------------------------------------------------------------- @@ -185,7 +228,7 @@ H5S_t * H5S_create(H5S_class_t type) { H5S_t *new_ds = NULL; /* New dataspace created */ - H5S_t *ret_value; /* Return value */ + H5S_t *ret_value = NULL; /* Return value */ FUNC_ENTER_NOAPI(NULL) @@ -479,7 +522,40 @@ H5Sextent_copy(hid_t dst_id,hid_t src_id) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataspace") /* Copy */ - if(H5S_extent_copy(&(dst->extent), &(src->extent), TRUE) < 0) + if(H5S_extent_copy(dst, src) < 0) + HGOTO_ERROR(H5E_DATASPACE, H5E_CANTCOPY, FAIL, "can't copy extent") + +done: + FUNC_LEAVE_API(ret_value) +} /* end H5Sextent_copy() */ + + +/*------------------------------------------------------------------------- + * Function: H5S_extent_copy + * + * Purpose: Copies a dataspace extent + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Neil Fortner + * Monday, February 23, 2015 + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +herr_t +H5S_extent_copy(H5S_t *dst, const H5S_t *src) +{ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + HDassert(dst); + HDassert(src); + + /* Copy extent */ + if(H5S_extent_copy_real(&(dst->extent), &(src->extent), TRUE) < 0) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTCOPY, FAIL, "can't copy extent") /* If the selection is 'all', update the number of elements selected in the @@ -489,12 +565,12 @@ H5Sextent_copy(hid_t dst_id,hid_t src_id) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTDELETE, FAIL, "can't change selection") done: - FUNC_LEAVE_API(ret_value) -} /* end H5Sextent_copy() */ + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5S_extent_copy() */ /*------------------------------------------------------------------------- - * Function: H5S_extent_copy + * Function: H5S_extent_copy_real * * Purpose: Copies a dataspace extent * @@ -508,7 +584,7 @@ done: *------------------------------------------------------------------------- */ herr_t -H5S_extent_copy(H5S_extent_t *dst, const H5S_extent_t *src, hbool_t copy_max) +H5S_extent_copy_real(H5S_extent_t *dst, const H5S_extent_t *src, hbool_t copy_max) { unsigned u; herr_t ret_value = SUCCEED; /* Return value */ @@ -561,7 +637,7 @@ H5S_extent_copy(H5S_extent_t *dst, const H5S_extent_t *src, hbool_t copy_max) done: FUNC_LEAVE_NOAPI(ret_value) -} /* end H5S_extent_copy() */ +} /* end H5S_extent_copy_real() */ /*------------------------------------------------------------------------- @@ -588,8 +664,8 @@ done: H5S_t * H5S_copy(const H5S_t *src, hbool_t share_selection, hbool_t copy_max) { - H5S_t *dst = NULL; - H5S_t *ret_value; /* Return value */ + H5S_t *dst = NULL; + H5S_t *ret_value = NULL; /* Return value */ FUNC_ENTER_NOAPI(NULL) @@ -597,7 +673,7 @@ H5S_copy(const H5S_t *src, hbool_t share_selection, hbool_t copy_max) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") /* Copy the source dataspace's extent */ - if(H5S_extent_copy(&(dst->extent), &(src->extent), copy_max) < 0) + if(H5S_extent_copy_real(&(dst->extent), &(src->extent), copy_max) < 0) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTCOPY, NULL, "can't copy extent") /* Copy the source dataspace's selection */ @@ -640,7 +716,7 @@ done: hssize_t H5S_get_simple_extent_npoints(const H5S_t *ds) { - hssize_t ret_value; + hssize_t ret_value = -1; /* Return value */ FUNC_ENTER_NOAPI(-1) @@ -716,8 +792,8 @@ done: hsize_t H5S_get_npoints_max(const H5S_t *ds) { - hsize_t ret_value; unsigned u; + hsize_t ret_value = 0; /* Return value */ FUNC_ENTER_NOAPI(0) @@ -821,7 +897,7 @@ done: int H5S_get_simple_extent_ndims(const H5S_t *ds) { - int ret_value; /* Return value */ + int ret_value = -1; /* Return value */ FUNC_ENTER_NOAPI(FAIL) @@ -906,8 +982,8 @@ done: int H5S_extent_get_dims(const H5S_extent_t *ext, hsize_t dims[], hsize_t max_dims[]) { - int i; /* Local index variable */ - int ret_value; /* Return value */ + int i; /* Local index variable */ + int ret_value = -1; /* Return value */ FUNC_ENTER_NOAPI(FAIL) @@ -965,7 +1041,7 @@ done: int H5S_get_simple_extent_dims(const H5S_t *ds, hsize_t dims[], hsize_t max_dims[]) { - int ret_value; /* Return value */ + int ret_value = -1; /* Return value */ FUNC_ENTER_NOAPI(FAIL) @@ -1073,8 +1149,8 @@ done: H5S_t * H5S_read(const H5O_loc_t *loc, hid_t dxpl_id) { - H5S_t *ds = NULL; /* Dataspace to return */ - H5S_t *ret_value; /* Return value */ + H5S_t *ds = NULL; /* Dataspace to return */ + H5S_t *ret_value = NULL; /* Return value */ FUNC_ENTER_NOAPI(NULL) @@ -1121,7 +1197,7 @@ done: static htri_t H5S_is_simple(const H5S_t *sdim) { - htri_t ret_value; + htri_t ret_value = FAIL; /* Return value */ FUNC_ENTER_NOAPI_NOINIT_NOERR @@ -1262,14 +1338,14 @@ done: * *------------------------------------------------------------------------- */ -static herr_t +herr_t H5S_set_extent_simple(H5S_t *space, unsigned rank, const hsize_t *dims, const hsize_t *max) { unsigned u; /* Local index variable */ herr_t ret_value = SUCCEED; /* Return value */ - FUNC_ENTER_NOAPI_NOINIT + FUNC_ENTER_NOAPI(FAIL) /* Check args */ HDassert(rank <= H5S_MAX_RANK); @@ -1426,7 +1502,7 @@ H5S_t * H5S_create_simple(unsigned rank, const hsize_t dims[/*rank*/], const hsize_t maxdims[/*rank*/]) { - H5S_t *ret_value; /* Return value */ + H5S_t *ret_value = NULL; /* Return value */ FUNC_ENTER_NOAPI(NULL) @@ -1475,7 +1551,7 @@ H5Sencode(hid_t obj_id, void *buf, size_t *nalloc) if (NULL==(dspace=(H5S_t *)H5I_object_verify(obj_id, H5I_DATASPACE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataspace") - if(H5S_encode(dspace, (unsigned char *)buf, nalloc)<0) + if(H5S_encode(dspace, (unsigned char **)&buf, nalloc)<0) HGOTO_ERROR(H5E_DATATYPE, H5E_CANTENCODE, FAIL, "can't encode datatype") done: @@ -1500,13 +1576,14 @@ done: *------------------------------------------------------------------------- */ static herr_t -H5S_encode(H5S_t *obj, unsigned char *buf, size_t *nalloc) +H5S_encode(H5S_t *obj, unsigned char **p, size_t *nalloc) { + H5F_t *f = NULL; /* Fake file structure*/ + unsigned char *pp = (*p); /* Local pointer for decoding */ size_t extent_size; /* Size of serialized dataspace extent */ hssize_t sselect_size; /* Signed size of serialized dataspace selection */ size_t select_size; /* Size of serialized dataspace selection */ - H5F_t *f = NULL; /* Fake file structure*/ - herr_t ret_value = SUCCEED; + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI_NOINIT @@ -1525,28 +1602,29 @@ H5S_encode(H5S_t *obj, unsigned char *buf, size_t *nalloc) /* Verify the size of buffer. If it's not big enough, simply return the * right size without filling the buffer. */ - if(!buf || *nalloc < (extent_size + select_size + 1 + 1 + 1 + 4)) + if(!pp || *nalloc < (extent_size + select_size + 1 + 1 + 1 + 4)) *nalloc = extent_size + select_size + 1 + 1 + 1 + 4; else { /* Encode the type of the information */ - *buf++ = H5O_SDSPACE_ID; + *pp++ = H5O_SDSPACE_ID; /* Encode the version of the dataspace information */ - *buf++ = H5S_ENCODE_VERSION; + *pp++ = H5S_ENCODE_VERSION; /* Encode the "size of size" information */ - *buf++ = (unsigned char)H5F_SIZEOF_SIZE(f); + *pp++ = (unsigned char)H5F_SIZEOF_SIZE(f); /* Encode size of extent information. Pointer is actually moved in this macro. */ - UINT32ENCODE(buf, extent_size); + UINT32ENCODE(pp, extent_size); /* Encode the extent part of dataspace */ - if(H5O_msg_encode(f, H5O_SDSPACE_ID, TRUE, buf, obj) < 0) + if(H5O_msg_encode(f, H5O_SDSPACE_ID, TRUE, pp, obj) < 0) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTENCODE, FAIL, "can't encode extent space") - buf += extent_size; + pp += extent_size; /* Encode the selection part of dataspace. */ - if(H5S_SELECT_SERIALIZE(obj, &buf) < 0) + *p = pp; + if(H5S_SELECT_SERIALIZE(obj, p) < 0) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTENCODE, FAIL, "can't encode select space") } /* end else */ @@ -1587,7 +1665,7 @@ H5Sdecode(const void *buf) if(buf == NULL) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "empty buffer") - if((ds = H5S_decode((const unsigned char *)buf)) == NULL) + if((ds = H5S_decode((const unsigned char **)&buf)) == NULL) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTDECODE, FAIL, "can't decode object") /* Register the type and return the ID */ @@ -1616,40 +1694,41 @@ done: *------------------------------------------------------------------------- */ static H5S_t* -H5S_decode(const unsigned char *buf) +H5S_decode(const unsigned char **p) { - H5S_t *ds; - H5S_extent_t *extent; - size_t extent_size; /* size of the extent message*/ H5F_t *f = NULL; /* Fake file structure*/ + H5S_t *ds; /* Decoded dataspace */ + H5S_extent_t *extent; /* Entent of decoded dataspace */ + const unsigned char *pp = (*p); /* Local pointer for decoding */ + size_t extent_size; /* size of the extent message*/ uint8_t sizeof_size; /* 'Size of sizes' for file */ - H5S_t *ret_value; + H5S_t *ret_value = NULL; /* Return value */ FUNC_ENTER_NOAPI_NOINIT /* Decode the type of the information */ - if(*buf++ != H5O_SDSPACE_ID) + if(*pp++ != H5O_SDSPACE_ID) HGOTO_ERROR(H5E_DATASPACE, H5E_BADMESG, NULL, "not an encoded dataspace") /* Decode the version of the dataspace information */ - if(*buf++ != H5S_ENCODE_VERSION) + if(*pp++ != H5S_ENCODE_VERSION) HGOTO_ERROR(H5E_DATASPACE, H5E_VERSION, NULL, "unknown version of encoded dataspace") /* Decode the "size of size" information */ - sizeof_size = *buf++; + sizeof_size = *pp++; /* Allocate "fake" file structure */ if(NULL == (f = H5F_fake_alloc(sizeof_size))) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTALLOC, NULL, "can't allocate fake file struct") /* Decode size of extent information */ - UINT32DECODE(buf, extent_size); + UINT32DECODE(pp, extent_size); /* Decode the extent part of dataspace */ /* (pass mostly bogus file pointer and bogus DXPL) */ - if((extent = (H5S_extent_t *)H5O_msg_decode(f, H5P_DEFAULT, NULL, H5O_SDSPACE_ID, buf))==NULL) + if((extent = (H5S_extent_t *)H5O_msg_decode(f, H5P_DEFAULT, NULL, H5O_SDSPACE_ID, pp))==NULL) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTDECODE, NULL, "can't decode object") - buf += extent_size; + pp += extent_size; /* Copy the extent into dataspace structure */ if((ds = H5FL_CALLOC(H5S_t))==NULL) @@ -1665,7 +1744,8 @@ 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) + *p = pp; + if(H5S_SELECT_DESERIALIZE(&ds, p) < 0) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTDECODE, NULL, "can't decode space selection") /* Set return value */ @@ -1705,7 +1785,7 @@ done: H5S_class_t H5S_get_simple_extent_type(const H5S_t *space) { - H5S_class_t ret_value; + H5S_class_t ret_value = H5S_NO_CLASS; /* Return value */ FUNC_ENTER_NOAPI(H5S_NO_CLASS) @@ -1903,7 +1983,7 @@ done: hbool_t H5S_has_extent(const H5S_t *ds) { - hbool_t ret_value; + hbool_t ret_value = FALSE; /* Return value */ FUNC_ENTER_NOAPI_NOINIT_NOERR |