diff options
Diffstat (limited to 'src/H5T.c')
| -rw-r--r-- | src/H5T.c | 112 |
1 files changed, 109 insertions, 3 deletions
@@ -295,6 +295,7 @@ static htri_t H5T__compiler_conv(H5T_t *src, H5T_t *dst); static herr_t H5T__set_size(H5T_t *dt, size_t size); static herr_t H5T__close_cb(H5T_t *dt); static H5T_path_t *H5T__path_find_real(const H5T_t *src, const H5T_t *dst, const char *name, H5T_conv_func_t *conv); +static hbool_t H5T__detect_reg_ref(const H5T_t *dt); /*****************************/ @@ -1396,7 +1397,7 @@ H5T_top_term_package(void) if((path->conv.u.lib_func)((hid_t)FAIL, (hid_t)FAIL, &(path->cdata), (size_t)0, (size_t)0, (size_t)0, NULL, NULL) < 0) { #ifdef H5T_DEBUG if (H5DEBUG(T)) { - fprintf(H5DEBUG(T), "H5T: conversion function " + HDfprintf(H5DEBUG(T), "H5T: conversion function " "0x%08lx failed to free private data for " "%s (ignored)\n", (unsigned long)(path->conv.u.lib_func), path->name); @@ -3337,7 +3338,7 @@ H5T_copy(H5T_t *old_dt, H5T_copy_t method) if (NULL == new_dt->shared->u.compnd.memb) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") - HDmemcpy(new_dt->shared->u.compnd.memb, old_dt->shared->u.compnd.memb, + H5MM_memcpy(new_dt->shared->u.compnd.memb, old_dt->shared->u.compnd.memb, new_dt->shared->u.compnd.nmembs * sizeof(H5T_cmemb_t)); } /* end if */ @@ -3403,7 +3404,7 @@ H5T_copy(H5T_t *old_dt, H5T_copy_t method) (uint8_t *)H5MM_malloc(new_dt->shared->u.enumer.nalloc * new_dt->shared->size); if(NULL == new_dt->shared->u.enumer.value) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") - HDmemcpy(new_dt->shared->u.enumer.value, old_dt->shared->u.enumer.value, + H5MM_memcpy(new_dt->shared->u.enumer.value, old_dt->shared->u.enumer.value, new_dt->shared->u.enumer.nmembs * new_dt->shared->size); for(i = 0; i < new_dt->shared->u.enumer.nmembs; i++) { s = old_dt->shared->u.enumer.name[i]; @@ -5506,6 +5507,111 @@ done: /*------------------------------------------------------------------------- + * Function: H5T_detect_reg_ref + * + * Purpose: Check whether a datatype contains (or is) a region reference + * datatype. + * + * Return: TRUE (1) or FALSE (0) on success + * (Can't fail) + * + * Programmer: Quincey Koziol + * Saturday, January 5, 2019 + * + *------------------------------------------------------------------------- + */ +static hbool_t +H5T__detect_reg_ref(const H5T_t *dt) +{ + unsigned u; /* Local index variable */ + hbool_t ret_value = FALSE; /* Return value */ + + FUNC_ENTER_STATIC_NOERR + + /* Sanity checks */ + HDassert(dt); + + /* Check if this datatype is a region reference */ + if(H5T_REFERENCE == dt->shared->type && H5R_DATASET_REGION == dt->shared->u.atomic.u.r.rtype) + HGOTO_DONE(TRUE); + + /* Check for types that might have the correct type as a component */ + switch(dt->shared->type) { + case H5T_COMPOUND: + /* Iterate over all the compound datatype's fields */ + for(u = 0; u < dt->shared->u.compnd.nmembs; u++) + /* Recurse on field's datatype */ + if(H5T__detect_reg_ref(dt->shared->u.compnd.memb[u].type)) + HGOTO_DONE(TRUE); + break; + + case H5T_ARRAY: + case H5T_VLEN: + case H5T_ENUM: + HGOTO_DONE(H5T__detect_reg_ref(dt->shared->parent)); + break; + + case H5T_NO_CLASS: + case H5T_INTEGER: + case H5T_FLOAT: + case H5T_TIME: + case H5T_STRING: + case H5T_BITFIELD: + case H5T_OPAQUE: + case H5T_REFERENCE: + case H5T_NCLASSES: + default: + break; + } /* end if */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5T__detect_reg_ref() */ + + +/*------------------------------------------------------------------------- + * Function: H5T_is_vl_storage + * + * Purpose: Check if a datatype will be stored in a variable-length form. + * + * Notes: Currently, only variable-length string & sequences and region + * references are stored in a variable-length form. + * + * Return: + * One of two values on success: + * TRUE - If the datatype will be stored in a variable-length form + * FALSE - If the datatype will NOT be stored in a variable-length form + * <0 is returned on failure + * + * Programmer: Quincey Koziol + * Saturday, January 5, 2019 + * + *------------------------------------------------------------------------- + */ +htri_t +H5T_is_vl_storage(const H5T_t *dt) +{ + htri_t ret_value = FALSE; + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity check */ + HDassert(dt); + + /* VL and region reference datatypes are stored in variable-length form */ + if(H5T_detect_class(dt, H5T_VLEN, FALSE)) + ret_value = TRUE; + else if(H5T_detect_class(dt, H5T_REFERENCE, FALSE)) + ret_value = H5T__detect_reg_ref(dt); + else + ret_value = FALSE; + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5T_is_vl_storage() */ + + +/*------------------------------------------------------------------------- * Function: H5T_upgrade_version_cb * * Purpose: H5T__visit callback to Upgrade the version of a datatype |