diff options
Diffstat (limited to 'src/H5S.c')
| -rw-r--r-- | src/H5S.c | 95 |
1 files changed, 63 insertions, 32 deletions
@@ -49,11 +49,9 @@ /********************/ /* 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); /*********************/ @@ -524,7 +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 @@ -534,12 +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 * @@ -553,7 +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 */ @@ -606,7 +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() */ /*------------------------------------------------------------------------- @@ -642,7 +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 */ @@ -1307,14 +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); @@ -1520,7 +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: @@ -1545,7 +1576,7 @@ 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) { size_t extent_size; /* Size of serialized dataspace extent */ hssize_t sselect_size; /* Signed size of serialized dataspace selection */ @@ -1570,28 +1601,28 @@ 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(!*p || *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; + *(*p)++ = H5O_SDSPACE_ID; /* Encode the version of the dataspace information */ - *buf++ = H5S_ENCODE_VERSION; + *(*p)++ = H5S_ENCODE_VERSION; /* Encode the "size of size" information */ - *buf++ = (unsigned char)H5F_SIZEOF_SIZE(f); + *(*p)++ = (unsigned char)H5F_SIZEOF_SIZE(f); /* Encode size of extent information. Pointer is actually moved in this macro. */ - UINT32ENCODE(buf, extent_size); + UINT32ENCODE(*p, 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, *p, obj) < 0) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTENCODE, FAIL, "can't encode extent space") - buf += extent_size; + *p += extent_size; /* Encode the selection part of dataspace. */ - if(H5S_SELECT_SERIALIZE(obj, &buf) < 0) + if(H5S_SELECT_SERIALIZE(obj, p) < 0) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTENCODE, FAIL, "can't encode select space") } /* end else */ @@ -1632,7 +1663,7 @@ 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 */ @@ -1661,7 +1692,7 @@ done: *------------------------------------------------------------------------- */ static H5S_t* -H5S_decode(const unsigned char *buf) +H5S_decode(const unsigned char **p) { H5S_t *ds; H5S_extent_t *extent; @@ -1673,28 +1704,28 @@ H5S_decode(const unsigned char *buf) FUNC_ENTER_NOAPI_NOINIT /* Decode the type of the information */ - if(*buf++ != H5O_SDSPACE_ID) + if(*(*p)++ != 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(*(*p)++ != 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 = *(*p)++; /* 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(*p, 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, *p))==NULL) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTDECODE, NULL, "can't decode object") - buf += extent_size; + *p += extent_size; /* Copy the extent into dataspace structure */ if((ds = H5FL_CALLOC(H5S_t))==NULL) @@ -1710,7 +1741,7 @@ 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, p) < 0) HGOTO_ERROR(H5E_DATASPACE, H5E_CANTDECODE, NULL, "can't decode space selection") /* Set return value */ |