diff options
Diffstat (limited to 'src/H5Tconv.c')
| -rw-r--r-- | src/H5Tconv.c | 71 |
1 files changed, 42 insertions, 29 deletions
diff --git a/src/H5Tconv.c b/src/H5Tconv.c index 6aea00e..4cc5f3c 100644 --- a/src/H5Tconv.c +++ b/src/H5Tconv.c @@ -3609,39 +3609,52 @@ H5T__conv_ref(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata, size_t nelmts, for(elmtno = 0; elmtno < safe; elmtno++) { size_t buf_size; hbool_t dst_copy = FALSE; + hbool_t is_nil; /* Whether sequence is "nil" */ - /* Get size of references */ - if(0 == (buf_size = src->shared->u.atomic.u.r.cls->getsize( - src->shared->u.atomic.u.r.file, s, src->shared->size, - dst->shared->u.atomic.u.r.file, &dst_copy))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "incorrect size") - - /* Check if conversion buffer is large enough, resize if necessary. */ - if(conv_buf_size < buf_size) { - conv_buf_size = buf_size; - if(NULL == (conv_buf = H5FL_BLK_REALLOC(ref_seq, conv_buf, conv_buf_size))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for type conversion") - HDmemset(conv_buf, 0, conv_buf_size); - } /* end if */ + /* Check for "nil" source sequence */ + if((*(src->shared->u.atomic.u.r.cls->isnull))(src->shared->u.atomic.u.r.file, s, &is_nil) < 0) + HGOTO_ERROR(H5E_DATATYPE, H5E_CANTGET, FAIL, "can't check if reference data is 'nil'") - if(dst_copy && (src->shared->u.atomic.u.r.loc == H5T_LOC_DISK)) { - H5MM_memcpy(conv_buf, s, buf_size); - } else { - /* Read reference */ - if(src->shared->u.atomic.u.r.cls->read( + if(is_nil) { + + /* Write "nil" sequence to destination location */ + if((*(dst->shared->u.atomic.u.r.cls->setnull))(dst->shared->u.atomic.u.r.file, d, b) < 0) + HGOTO_ERROR(H5E_DATATYPE, H5E_WRITEERROR, FAIL, "can't set reference data to 'nil'") + } /* end else-if */ + else { + /* Get size of references */ + if(0 == (buf_size = src->shared->u.atomic.u.r.cls->getsize( src->shared->u.atomic.u.r.file, s, src->shared->size, - dst->shared->u.atomic.u.r.file, conv_buf, buf_size) < 0) - HGOTO_ERROR(H5E_DATATYPE, H5E_READERROR, FAIL, "can't read reference data") - } + dst->shared->u.atomic.u.r.file, &dst_copy))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "incorrect size") + + /* Check if conversion buffer is large enough, resize if necessary. */ + if(conv_buf_size < buf_size) { + conv_buf_size = buf_size; + if(NULL == (conv_buf = H5FL_BLK_REALLOC(ref_seq, conv_buf, conv_buf_size))) + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for type conversion") + HDmemset(conv_buf, 0, conv_buf_size); + } /* end if */ - if(dst_copy && (dst->shared->u.atomic.u.r.loc == H5T_LOC_DISK)) { - H5MM_memcpy(d, conv_buf, buf_size); - } else { - /* Write reference to destination location */ - if(dst->shared->u.atomic.u.r.cls->write( - src->shared->u.atomic.u.r.file, conv_buf, buf_size, src->shared->u.atomic.u.r.rtype, - dst->shared->u.atomic.u.r.file, d, dst->shared->size, b) < 0) - HGOTO_ERROR(H5E_DATATYPE, H5E_WRITEERROR, FAIL, "can't write reference data") + if(dst_copy && (src->shared->u.atomic.u.r.loc == H5T_LOC_DISK)) { + H5MM_memcpy(conv_buf, s, buf_size); + } else { + /* Read reference */ + if(src->shared->u.atomic.u.r.cls->read( + src->shared->u.atomic.u.r.file, s, src->shared->size, + dst->shared->u.atomic.u.r.file, conv_buf, buf_size) < 0) + HGOTO_ERROR(H5E_DATATYPE, H5E_READERROR, FAIL, "can't read reference data") + } + + if(dst_copy && (dst->shared->u.atomic.u.r.loc == H5T_LOC_DISK)) { + H5MM_memcpy(d, conv_buf, buf_size); + } else { + /* Write reference to destination location */ + if(dst->shared->u.atomic.u.r.cls->write( + src->shared->u.atomic.u.r.file, conv_buf, buf_size, src->shared->u.atomic.u.r.rtype, + dst->shared->u.atomic.u.r.file, d, dst->shared->size, b) < 0) + HGOTO_ERROR(H5E_DATATYPE, H5E_WRITEERROR, FAIL, "can't write reference data") + } } /* Advance pointers */ |