mirror of
https://github.com/HDFGroup/hdf5.git
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408 lines
10 KiB
C
408 lines
10 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* Copyright by the Board of Trustees of the University of Illinois. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the files COPYING and Copyright.html. COPYING can be found at the root *
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* of the source code distribution tree; Copyright.html can be found at the *
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* root level of an installed copy of the electronic HDF5 document set and *
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* is linked from the top-level documents page. It can also be found at *
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* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
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* access to either file, you may request a copy from help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#include <stdlib.h>
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#include <string.h>
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#include "h5repack.h"
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#include "h5tools_utils.h"
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extern char *progname;
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/*-------------------------------------------------------------------------
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* Function: init_packobject
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*
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* Purpose: initialize a pack_info_t structure
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*
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* Return: void
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*
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*-------------------------------------------------------------------------
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*/
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void init_packobject(pack_info_t *obj)
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{
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int j, k;
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strcpy(obj->path,"\0");
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for ( j=0; j<H5_REPACK_MAX_NFILTERS; j++)
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{
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obj->filter[j].filtn = -1;
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for ( k=0; k<CDVALUES; k++)
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obj->filter[j].cd_values[k] = -1;
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}
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obj->chunk.rank = -1;
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obj->refobj_id = -1;
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obj->layout = H5D_LAYOUT_ERROR;
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obj->nfilters = 0;
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}
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/*-------------------------------------------------------------------------
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* Function: aux_tblinsert_filter
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*
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* Purpose: auxiliary function, inserts the filter in object OBJS[ I ]
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*
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* Return: void
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*
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*-------------------------------------------------------------------------
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*/
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static void aux_tblinsert_filter(pack_opttbl_t *table,
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unsigned int I,
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filter_info_t filt)
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{
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if (table->objs[ I ].nfilters<H5_REPACK_MAX_NFILTERS)
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{
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table->objs[ I ].filter[ table->objs[ I ].nfilters++ ] = filt;
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}
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else
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{
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error_msg(progname, "cannot insert the filter in this object.\
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Maximum capacity exceeded\n");
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}
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}
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/*-------------------------------------------------------------------------
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* Function: aux_tblinsert_layout
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*
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* Purpose: auxiliary function, inserts the layout in object OBJS[ I ]
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*
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* Return: void
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*
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*-------------------------------------------------------------------------
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*/
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static void aux_tblinsert_layout(pack_opttbl_t *table,
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unsigned int I,
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pack_info_t *pack)
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{
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int k;
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table->objs[I].layout = pack->layout;
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if (H5D_CHUNKED==pack->layout)
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{
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/* -2 means the NONE option, remove chunking
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and set the layout to contiguous */
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if (pack->chunk.rank==-2)
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{
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table->objs[I].layout = H5D_CONTIGUOUS;
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table->objs[I].chunk.rank = -2;
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}
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/* otherwise set the chunking type */
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else
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{
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table->objs[I].chunk.rank = pack->chunk.rank;
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for (k = 0; k < pack->chunk.rank; k++)
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table->objs[I].chunk.chunk_lengths[k] = pack->chunk.chunk_lengths[k];
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}
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}
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}
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/*-------------------------------------------------------------------------
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* Function: aux_inctable
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*
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* Purpose: auxiliary function, increases the size of the collection by N_OBJS
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*
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* Return: 0, ok, -1, fail
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*
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*-------------------------------------------------------------------------
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*/
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static int aux_inctable(pack_opttbl_t *table, int n_objs )
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{
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unsigned int i;
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table->size += n_objs;
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table->objs = (pack_info_t*)realloc(table->objs, table->size * sizeof(pack_info_t));
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if (table->objs==NULL) {
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error_msg(progname, "not enough memory for options table\n");
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return -1;
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}
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for (i = table->nelems; i < table->size; i++)
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{
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init_packobject(&table->objs[i]);
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}
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return 0;
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}
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/*-------------------------------------------------------------------------
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* Function: options_table_init
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*
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* Purpose: init options table
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*
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* Return: 0, ok, -1, fail
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*
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*-------------------------------------------------------------------------
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*/
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int options_table_init( pack_opttbl_t **tbl )
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{
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unsigned int i;
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pack_opttbl_t* table = (pack_opttbl_t*) malloc(sizeof(pack_opttbl_t));
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if (table==NULL) {
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error_msg(progname, "not enough memory for options table\n");
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return -1;
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}
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table->size = 30;
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table->nelems = 0;
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table->objs = (pack_info_t*) malloc(table->size * sizeof(pack_info_t));
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if (table->objs==NULL) {
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error_msg(progname, "not enough memory for options table\n");
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return -1;
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}
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for ( i=0; i<table->size; i++)
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{
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init_packobject(&table->objs[i]);
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}
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*tbl = table;
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return 0;
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}
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/*-------------------------------------------------------------------------
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* Function: options_table_free
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*
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* Purpose: free table memory
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*
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* Return: 0
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*
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*-------------------------------------------------------------------------
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*/
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int options_table_free( pack_opttbl_t *table )
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{
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free(table->objs);
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free(table);
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return 0;
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}
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/*-------------------------------------------------------------------------
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* Function: options_add_layout
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*
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* Purpose: add a layout option to the option list
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*
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* Return: 0, ok, -1, fail
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*
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*-------------------------------------------------------------------------
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*/
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int options_add_layout( obj_list_t *obj_list,
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int n_objs,
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pack_info_t *pack,
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pack_opttbl_t *table )
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{
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unsigned int i, I;
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int j, added=0, found=0;
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/* increase the size of the collection by N_OBJS if necessary */
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if (table->nelems+n_objs >= table->size)
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{
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if (aux_inctable(table,n_objs)<0)
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return -1;
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}
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/* search if this object is already in the table; "path" is the key */
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if (table->nelems>0)
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{
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/* go tru the supplied list of names */
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for (j = 0; j < n_objs; j++)
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{
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/* linear table search */
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for (i = 0; i < table->nelems; i++)
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{
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/*already on the table */
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if (strcmp(obj_list[j].obj,table->objs[i].path)==0)
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{
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/* already chunk info inserted for this one; exit */
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if (table->objs[i].chunk.rank>0)
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{
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error_msg(progname, "chunk information already inserted for <%s>\n",obj_list[j].obj);
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exit(1);
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}
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/* insert the layout info */
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else
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{
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aux_tblinsert_layout(table,i,pack);
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found=1;
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break;
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}
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} /* if */
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} /* i */
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if (found==0)
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{
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/* keep the grow in a temp var */
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I = table->nelems + added;
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added++;
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strcpy(table->objs[I].path,obj_list[j].obj);
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aux_tblinsert_layout(table,I,pack);
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}
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/* cases where we have an already inserted name but there is a new name also
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example:
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-f dset1:GZIP=1 -l dset1,dset2:CHUNK=20x20
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dset1 is already inserted, but dset2 must also be
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*/
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else if (found==1 && strcmp(obj_list[j].obj,table->objs[i].path)!=0)
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{
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/* keep the grow in a temp var */
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I = table->nelems + added;
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added++;
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strcpy(table->objs[I].path,obj_list[j].obj);
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aux_tblinsert_layout(table,I,pack);
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}
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} /* j */
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}
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/* first time insertion */
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else
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{
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/* go tru the supplied list of names */
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for (j = 0; j < n_objs; j++)
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{
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I = table->nelems + added;
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added++;
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strcpy(table->objs[I].path,obj_list[j].obj);
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aux_tblinsert_layout(table,I,pack);
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}
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}
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table->nelems+= added;
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return 0;
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}
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/*-------------------------------------------------------------------------
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* Function: options_add_filter
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*
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* Purpose: add a compression -f option to the option list
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*
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* Return: 0, ok, -1, fail
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*
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*-------------------------------------------------------------------------
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*/
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int options_add_filter(obj_list_t *obj_list,
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int n_objs,
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filter_info_t filt,
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pack_opttbl_t *table )
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{
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unsigned int i, I;
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int j, added=0, found=0;
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/* increase the size of the collection by N_OBJS if necessary */
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if (table->nelems+n_objs >= table->size)
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{
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if (aux_inctable(table,n_objs)<0)
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return -1;
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}
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/* search if this object is already in the table; "path" is the key */
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if (table->nelems>0)
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{
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/* go tru the supplied list of names */
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for (j = 0; j < n_objs; j++)
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{
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/* linear table search */
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for (i = 0; i < table->nelems; i++)
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{
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/*already on the table */
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if (strcmp(obj_list[j].obj,table->objs[i].path)==0)
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{
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/* insert */
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aux_tblinsert_filter(table,i,filt);
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found=1;
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break;
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} /* if */
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} /* i */
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if (found==0)
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{
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/* keep the grow in a temp var */
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I = table->nelems + added;
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added++;
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strcpy(table->objs[I].path,obj_list[j].obj);
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aux_tblinsert_filter(table,I,filt);
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}
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/* cases where we have an already inserted name but there is a new name also
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example:
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-l dset1:CHUNK=20x20 -f dset1,dset2:GZIP=1
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dset1 is already inserted, but dset2 must also be
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*/
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else if (found==1 && strcmp(obj_list[j].obj,table->objs[i].path)!=0)
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{
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/* keep the grow in a temp var */
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I = table->nelems + added;
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added++;
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strcpy(table->objs[I].path,obj_list[j].obj);
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aux_tblinsert_filter(table,I,filt);
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}
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} /* j */
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}
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/* first time insertion */
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else
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{
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/* go tru the supplied list of names */
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for (j = 0; j < n_objs; j++)
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{
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I = table->nelems + added;
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added++;
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strcpy(table->objs[I].path,obj_list[j].obj);
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aux_tblinsert_filter(table,I,filt);
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}
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}
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table->nelems+= added;
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return 0;
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}
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/*-------------------------------------------------------------------------
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* Function: options_get_object
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*
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* Purpose: get object from table; "path" is the key
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*
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* Return: pack_info_t* OBJECT or NULL if not found; PATH is the key
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*
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*-------------------------------------------------------------------------
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*/
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pack_info_t* options_get_object( const char *path,
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pack_opttbl_t *table )
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{
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unsigned int i;
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for ( i = 0; i < table->nelems; i++)
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{
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/* found it */
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if (strcmp(table->objs[i].path,path)==0)
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{
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return (&table->objs[i]);
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}
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}
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return NULL;
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}
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