diff options
Diffstat (limited to 'hl/src/H5DS.c')
| -rw-r--r-- | hl/src/H5DS.c | 206 |
1 files changed, 94 insertions, 112 deletions
diff --git a/hl/src/H5DS.c b/hl/src/H5DS.c index 245a2c5..936afd1 100644 --- a/hl/src/H5DS.c +++ b/hl/src/H5DS.c @@ -620,9 +620,11 @@ out: * * Date: December 20, 2004 * -* Comments: +* Comments: * -* Modifications: +* Modifications: Function didn't delete DIMENSION_LIST attribute, when +* all dimension scales were detached from a dataset; added. +* 2010/05/13 EIP * *------------------------------------------------------------------------- */ @@ -642,14 +644,15 @@ herr_t H5DSdetach_scale(hid_t did, hid_t aid = -1; /* attribute ID */ int rank; /* rank of dataset */ ds_list_t *dsbuf = NULL; /* array of attribute data in the DS pointing to the dataset */ - ds_list_t *dsbufn = NULL; /* array of attribute data in the DS pointing to the dataset */ - hsize_t *dims = NULL; /* dimension of the "REFERENCE_LIST" array */ + hsize_t dims[1]; /* dimension of the "REFERENCE_LIST" array */ hobj_ref_t ref; /* reference to the DS */ hvl_t *buf = NULL; /* VL buffer to store in the attribute */ - unsigned i, j, jj; - H5O_info_t oi1, oi2, oi3, oi4; + int i; + size_t j; + hssize_t ii; + H5O_info_t did_oi, dsid_oi, tmp_oi; int found_dset = 0, found_ds = 0; - H5I_type_t it1, it2; + int have_ds = 0; htri_t is_scale; /*------------------------------------------------------------------------- @@ -657,32 +660,28 @@ herr_t H5DSdetach_scale(hid_t did, *------------------------------------------------------------------------- */ - if ((is_scale = H5DSis_scale(did)) < 0) + /* check for valid types of identifiers */ + + if(H5I_DATASET!=H5Iget_type(did) || H5I_DATASET!=H5Iget_type(dsid)) + return FAIL; + + if((is_scale = H5DSis_scale(did)) < 0) return FAIL; /* the dataset cannot be a DS dataset */ - if ( is_scale == 1) + if( is_scale == 1) return FAIL; /* get info for the dataset in the parameter list */ - if(H5Oget_info(did, &oi1) < 0) + if(H5Oget_info(did, &did_oi) < 0) return FAIL; /* get info for the scale in the parameter list */ - if(H5Oget_info(dsid, &oi2) < 0) + if(H5Oget_info(dsid, &dsid_oi) < 0) return FAIL; /* same object, not valid */ - if(oi1.fileno == oi2.fileno && oi1.addr == oi2.addr) - return FAIL; - - /* get ID type */ - if ((it1 = H5Iget_type(did)) < 0) - return FAIL; - if ((it2 = H5Iget_type(dsid)) < 0) - return FAIL; - - if (H5I_DATASET!=it1 || H5I_DATASET!=it2) + if(did_oi.fileno == dsid_oi.fileno && did_oi.addr == dsid_oi.addr) return FAIL; @@ -761,46 +760,62 @@ herr_t H5DSdetach_scale(hid_t did, if ((dsid_j = H5Rdereference(did,H5R_OBJECT,&ref)) < 0) goto out; - /* get info for DS in the parameter list */ - if(H5Oget_info(dsid, &oi1) < 0) + /* get info for this DS */ + if(H5Oget_info(dsid_j, &tmp_oi) < 0) goto out; - /* get info for this DS */ - if(H5Oget_info(dsid_j, &oi2) < 0) + /* Close the dereferenced dataset */ + if (H5Dclose(dsid_j) < 0) goto out; /* same object, reset */ - if(oi1.fileno == oi2.fileno && oi1.addr == oi2.addr) + if(dsid_oi.fileno == tmp_oi.fileno && dsid_oi.addr == tmp_oi.addr) { - size_t len; - - for(jj=j; jj<buf[idx].len-1; jj++) - { - ((hobj_ref_t *)buf[idx].p)[jj] = ((hobj_ref_t *)buf[idx].p)[jj+1]; + /* If there are more than one reference in the VL element + and the reference we found is not the last one, + copy the last one to replace the found one since the order + of the references doesn't matter according to the spec; + reduce the size of the VL element by 1; + if the length of the element becomes 0, free the pointer + and reset to NULL */ + + size_t len = buf[idx].len; + if(j<len-1) + ((hobj_ref_t *)buf[idx].p)[j] = ((hobj_ref_t *)buf[idx].p)[len-1]; + len = --buf[idx].len; + if(len == 0) { + free(buf[idx].p); + buf[idx].p = NULL; } - - buf[idx].len--; - len = buf[idx].len; - buf[idx].p = realloc( buf[idx].p, len * sizeof(hobj_ref_t)); - + /* Since a reference to a dim. scale can be inserted only once, + we do not need to continue the search if it is found */ found_ds = 1; - - /* close the dereferenced dataset and break */ - if (H5Dclose(dsid_j) < 0) - goto out; break; } - - /* close the dereferenced dataset */ - if (H5Dclose(dsid_j) < 0) - goto out; } /* j */ } /* if */ - /* write the attribute */ - if (H5Awrite(aid,tid,buf) < 0) + /* the scale must be present to continue */ + if(found_ds == 0) goto out; + /* Write the attribute, but check first, if we have any scales left, + because if not, we should delete the attribute according to the spec */ + for(i=0; i < rank; i++) { + if(buf[i].len > 0) { + have_ds = 1; + break; + } + } + if(have_ds) { + if(H5Awrite(aid,tid,buf) < 0) + goto out; + } + else { + if(H5Adelete(did,DIMENSION_LIST) < 0) + goto out; + } + /* close */ if (H5Dvlen_reclaim(tid,sid,H5P_DEFAULT,buf) < 0) goto out; @@ -817,9 +832,6 @@ herr_t H5DSdetach_scale(hid_t did, buf = NULL; } - /* the scale must be present */ - if(found_ds == 0) - goto out; /*------------------------------------------------------------------------- * the "REFERENCE_LIST" array exists, update @@ -849,41 +861,36 @@ herr_t H5DSdetach_scale(hid_t did, if (H5Aread(aid,ntid,dsbuf) < 0) goto out; - for(i=0; i<nelmts; i++) - { - /* get the reference to the dataset */ - ref = dsbuf[i].ref; - - /* get the dataset id */ - if ((did_i = H5Rdereference(did,H5R_OBJECT,&ref)) < 0) - goto out; + for(ii=0; ii<nelmts; ii++) { + /* First check if we have the same dimension index */ + if((int)idx == dsbuf[ii].dim_idx) { + /* get the reference to the dataset */ + ref = dsbuf[ii].ref; - /* get info for dataset in the parameter list */ - if(H5Oget_info(did, &oi3) < 0) - goto out; - - /* get info for this dataset */ - if(H5Oget_info(did_i, &oi4) < 0) - goto out; - - /* same object, reset. we want to detach only for this DIM */ - if(oi3.fileno == oi4.fileno && oi3.addr == oi4.addr && (int)idx == dsbuf[i].dim_idx) { - for(jj=i; jj<nelmts-1; jj++) - dsbuf[jj] = dsbuf[jj+1]; - nelmts--; - found_dset=1; + /* get the dataset id */ + if ((did_i = H5Rdereference(did,H5R_OBJECT,&ref)) < 0) + goto out; - /* close the dereferenced dataset and break */ - if (H5Dclose(did_i) < 0) + /* get info for this dataset */ + if(H5Oget_info(did_i, &tmp_oi) < 0) goto out; - break; - } /* if */ - /* close the dereferenced dataset */ - if (H5Dclose(did_i) < 0) - goto out; + /* close the dereferenced dataset */ + if(H5Dclose(did_i) < 0) + goto out; - } /* i */ + /* same object, reset. we want to detach only for this DIM */ + if(did_oi.fileno == tmp_oi.fileno && did_oi.addr == tmp_oi.addr) { + /* if we found not the last one, copy the last one to replace + the one which is found */ + if(i < nelmts-1) + dsbuf[ii] = dsbuf[nelmts-1]; + nelmts--; + found_dset=1; + break; + } /* if */ + } /* if we have the same dimension index */ + } /* ii */ /* close space and attribute */ if (H5Sclose(sid) < 0) @@ -915,19 +922,8 @@ herr_t H5DSdetach_scale(hid_t did, if(nelmts) { /* create a new data space for the new references array */ - dims = (hsize_t*)malloc((size_t)nelmts * sizeof (hsize_t)); - if(dims == NULL) - goto out; dims[0] = nelmts; - dsbufn = (ds_list_t*) malloc((size_t)nelmts * sizeof(ds_list_t)); - if(dsbufn == NULL) - goto out; - - /* store the new information */ - for(i = 0; i < nelmts; i++) - dsbufn[i] = dsbuf[i]; - if((sid = H5Screate_simple(1, dims, NULL)) < 0) goto out; @@ -936,7 +932,7 @@ herr_t H5DSdetach_scale(hid_t did, goto out; /* write the new attribute with the new references */ - if(H5Awrite(aid, tid, dsbufn) < 0) + if(H5Awrite(aid, tid, dsbuf) < 0) goto out; /* close space and attribute */ @@ -955,16 +951,6 @@ herr_t H5DSdetach_scale(hid_t did, free(dsbuf); dsbuf=NULL; } - if (dsbufn) - { - free(dsbufn); - dsbufn=NULL; - } - if (dims) - { - free(dims); - dims=NULL; - } return SUCCEED; @@ -982,18 +968,14 @@ out: free(dsbuf); dsbuf=NULL; } - if (dsbufn) - { - free(dsbufn); - dsbufn=NULL; - } - if (dims) - { - free(dims); - dims=NULL; - } if (buf) { + /* Failure occured before H5Dvlen_reclaim was called; + free the pointers allocated when we read data in */ + for(i=0; i<rank; i++) { + if(buf[i].p) + free(buf[i].p); + } free(buf); buf=NULL; } @@ -1218,7 +1200,7 @@ htri_t H5DSis_attached(hid_t did, if (dsbuf == NULL) goto out; - if (H5Aread(aid,ntid,dsbuf) < 0) + if (H5Aread(aid,ntid,dsbuf) < 0) goto out; /*------------------------------------------------------------------------- |