mirror of
https://github.com/HDFGroup/hdf5.git
synced 2024-12-03 02:32:04 +08:00
ed7d456e51
Tested platform: Kagiso only since it is only a comment block change. If it works in one machine, it should work in all, I hope. Still need to check the parallel build on copper.
496 lines
12 KiB
C
496 lines
12 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 "h5tools_utils.h"
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#include "h5repack.h"
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extern char *progname;
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/*-------------------------------------------------------------------------
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* File: h5repack.c
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* Purpose: Public API functions
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*-------------------------------------------------------------------------
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*/
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static int check_options(pack_opt_t *options);
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/*-------------------------------------------------------------------------
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* Function: aux_initglb_filter
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*
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* Purpose: auxiliary function, initialize the options global filter
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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_initglb_filter(pack_opt_t *options)
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{
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int k;
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options->filter_g.filtn = -1;
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for ( k=0; k<CDVALUES; k++)
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options->filter_g.cd_values[k] = -1;
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}
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/*-------------------------------------------------------------------------
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* Function: h5repack
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*
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* Purpose: locate all high-level HDF5 objects in the file
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* and compress/chunk them using options
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*
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* Algorythm: 2 traversals are made to the file; the 1st builds a list of
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* the objects, the 2nd makes a copy of them, using the options;
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* the reason for the 1st traversal is to check for invalid
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* object name requests
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*
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* Return: 0, ok, -1, fail
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*
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* Programmer: pvn@ncsa.uiuc.edu
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*
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* Date: September, 22, 2003
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*
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*-------------------------------------------------------------------------
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*/
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int h5repack(const char* infile,
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const char* outfile,
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pack_opt_t *options)
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{
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/* check input */
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if (check_options(options)<0)
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return -1;
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/* check for objects in input that are in the file */
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if (check_objects(infile,options) < 0)
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return -1;
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/* copy the objects */
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if (copy_objects(infile,outfile,options) < 0)
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return -1;
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return 0;
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}
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/*-------------------------------------------------------------------------
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* Function: h5repack_init
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*
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* Purpose: initialize options
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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 h5repack_init (pack_opt_t *options,
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int verbose)
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{
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memset(options,0,sizeof(pack_opt_t));
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options->threshold = 1024;
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options->verbose = verbose;
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return (options_table_init(&(options->op_tbl)));
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}
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/*-------------------------------------------------------------------------
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* Function: h5repack_end
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*
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* Purpose: free options table
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*
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*-------------------------------------------------------------------------
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*/
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int h5repack_end (pack_opt_t *options)
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{
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return options_table_free(options->op_tbl);
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}
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/*-------------------------------------------------------------------------
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* Function: h5repack_addfilter
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*
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* Purpose: add a compression -f option to table
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* Example: -f dset:GZIP=6
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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 h5repack_addfilter(const char* str,
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pack_opt_t *options)
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{
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obj_list_t *obj_list=NULL; /*one object list for the -f and -c option entry */
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filter_info_t filt; /*filter info for the current -f option entry */
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int n_objs; /*number of objects in the current -f or -c option entry */
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if (options->all_filter==1){
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error_msg(progname, "invalid compression input: 'all' option is present \
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with other objects <%s>\n",str);
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return -1;
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}
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/* parse the -f option */
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obj_list=parse_filter(str,&n_objs,&filt,options);
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if (obj_list==NULL)
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{
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return -1;
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}
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if (options->all_filter==1)
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{
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/* if we are compressing all set the global filter type */
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aux_initglb_filter(options);
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options->filter_g=filt;
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}
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if (options->all_filter==0)
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options_add_filter(obj_list,n_objs,filt,options->op_tbl);
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free(obj_list);
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return 0;
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}
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/*-------------------------------------------------------------------------
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* Function: h5repack_addlayout
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*
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* Purpose: add a layout option
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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 h5repack_addlayout(const char* str,
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pack_opt_t *options)
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{
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obj_list_t *obj_list=NULL; /*one object list for the -t and -c option entry */
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int n_objs; /*number of objects in the current -t or -c option entry */
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pack_info_t pack; /*info about layout to extract from parse */
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int j;
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init_packobject(&pack);
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if (options->all_layout==1){
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error_msg(progname, "invalid layout input: 'all' option \
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is present with other objects <%s>\n",str);
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return -1;
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}
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/* parse the layout option */
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obj_list=parse_layout(str,&n_objs,&pack,options);
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if (obj_list==NULL)
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return -1;
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/* set global layout option */
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if (options->all_layout==1 )
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{
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options->layout_g=pack.layout;
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if (pack.layout==H5D_CHUNKED)
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{
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/* -2 means the NONE option, remove chunking
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and set the global layout to contiguous */
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if (pack.chunk.rank==-2)
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{
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options->layout_g = H5D_CONTIGUOUS;
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}
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/* otherwise set the global chunking type */
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else
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{
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options->chunk_g.rank=pack.chunk.rank;
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for (j = 0; j < pack.chunk.rank; j++)
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options->chunk_g.chunk_lengths[j] = pack.chunk.chunk_lengths[j];
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}
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}
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}
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if (options->all_layout==0)
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options_add_layout(obj_list,
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n_objs,
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&pack,
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options->op_tbl);
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free(obj_list);
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return 0;
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}
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/*-------------------------------------------------------------------------
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* Function: check_options
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*
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* Purpose: print options, checks for invalid options
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*
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* Return: void, return -1 on error
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*
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* Programmer: pvn@ncsa.uiuc.edu
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*
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* Date: September, 22, 2003
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*
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*-------------------------------------------------------------------------
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*/
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static int check_options(pack_opt_t *options)
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{
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unsigned int i;
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int k, j, has_cp=0, has_ck=0;
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char slayout[30];
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/*-------------------------------------------------------------------------
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* objects to layout
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*-------------------------------------------------------------------------
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*/
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if (options->verbose)
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{
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printf("Objects to modify layout are...\n");
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if (options->all_layout==1) {
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switch (options->layout_g)
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{
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case H5D_COMPACT:
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strcpy(slayout,"compact");
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break;
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case H5D_CONTIGUOUS:
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strcpy(slayout,"contiguous");
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break;
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case H5D_CHUNKED:
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strcpy(slayout,"chunked");
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break;
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default:
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strcpy(slayout,"unknown");
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break;
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}
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printf(" Apply %s layout to all\n", slayout);
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if (H5D_CHUNKED==options->layout_g) {
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printf("with dimension [");
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for ( j = 0; j < options->chunk_g.rank; j++)
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printf("%d ",(int)options->chunk_g.chunk_lengths[j]);
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printf("]\n");
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}
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}
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}/* verbose */
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for ( i = 0; i < options->op_tbl->nelems; i++)
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{
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char* name=options->op_tbl->objs[i].path;
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if (options->op_tbl->objs[i].chunk.rank>0)
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{
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if (options->verbose){
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printf(" <%s> with chunk size ",name);
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for ( k = 0; k < options->op_tbl->objs[i].chunk.rank; k++)
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printf("%d ",(int)options->op_tbl->objs[i].chunk.chunk_lengths[k]);
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printf("\n");
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}
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has_ck=1;
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}
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else if (options->op_tbl->objs[i].chunk.rank==-2)
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{
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if (options->verbose)
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printf(" <%s> %s\n",name,"NONE (contigous)");
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has_ck=1;
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}
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}
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if (options->all_layout==1 && has_ck){
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error_msg(progname, "invalid chunking input: 'all' option\
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is present with other objects\n");
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return -1;
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}
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/*-------------------------------------------------------------------------
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* objects to filter
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*-------------------------------------------------------------------------
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*/
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if (options->verbose)
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{
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printf("Objects to apply filter are...\n");
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if (options->all_filter==1)
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{
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H5Z_filter_t filtn=options->filter_g.filtn;
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switch (filtn)
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{
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case H5Z_FILTER_NONE:
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printf(" Uncompress all\n");
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break;
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case H5Z_FILTER_SHUFFLE:
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case H5Z_FILTER_FLETCHER32:
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printf(" All with %s\n",get_sfilter(filtn));
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break;
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case H5Z_FILTER_SZIP:
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case H5Z_FILTER_DEFLATE:
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printf(" All with %s, parameter %d\n",
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get_sfilter(filtn),
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options->filter_g.cd_values[0]);
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break;
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};
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}
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} /* verbose */
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for ( i = 0; i < options->op_tbl->nelems; i++)
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{
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pack_info_t pack = options->op_tbl->objs[i];
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char* name = pack.path;
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for ( j=0; j<pack.nfilters; j++)
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{
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if (options->verbose)
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{
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printf(" <%s> with %s filter\n",
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name,
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get_sfilter(pack.filter[j].filtn));
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}
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has_cp=1;
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} /* j */
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} /* i */
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if (options->all_filter==1 && has_cp){
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error_msg(progname, "invalid compression input: 'all' option\
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is present with other objects\n");
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return -1;
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}
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return 0;
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}
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/*-------------------------------------------------------------------------
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* Function: read_info
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*
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* Purpose: read comp and chunk options from file
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*
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* Return: void, exit on error
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*
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* Programmer: pvn@ncsa.uiuc.edu
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*
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* Date: September, 22, 2003
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*
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*-------------------------------------------------------------------------
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*/
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void read_info(const char *filename,
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pack_opt_t *options)
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{
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char stype[10];
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char comp_info[1024];
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FILE *fp;
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char c;
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int i, rc=1;
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char *srcdir = getenv("srcdir"); /* the source directory */
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char data_file[512]=""; /* buffer to hold name of existing file */
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/* compose the name of the file to open, using the srcdir, if appropriate */
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if (srcdir){
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strcpy(data_file,srcdir);
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strcat(data_file,"/");
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}
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strcat(data_file,filename);
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if ((fp = fopen(data_file, "r")) == (FILE *)NULL) {
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error_msg(progname, "cannot open options file %s", filename);
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exit(1);
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}
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/* cycle until end of file reached */
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while( 1 )
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{
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rc=fscanf(fp, "%s", stype);
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if (rc==-1)
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break;
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/*-------------------------------------------------------------------------
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* filter
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*-------------------------------------------------------------------------
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*/
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if (strcmp(stype,"-f") == 0) {
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/* find begining of info */
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i=0; c='0';
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while( c!=' ' )
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{
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fscanf(fp, "%c", &c);
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if (feof(fp)) break;
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}
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c='0';
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/* go until end */
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while( c!=' ' )
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{
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fscanf(fp, "%c", &c);
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comp_info[i]=c;
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i++;
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if (feof(fp)) break;
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if (c==10 /*eol*/) break;
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}
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comp_info[i-1]='\0'; /*cut the last " */
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if (h5repack_addfilter(comp_info,options)==-1){
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error_msg(progname, "could not add compression option\n");
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exit(1);
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}
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}
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/*-------------------------------------------------------------------------
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* layout
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*-------------------------------------------------------------------------
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*/
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else if (strcmp(stype,"-l") == 0) {
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/* find begining of info */
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i=0; c='0';
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while( c!=' ' )
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{
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fscanf(fp, "%c", &c);
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if (feof(fp)) break;
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}
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c='0';
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/* go until end */
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while( c!=' ' )
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{
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fscanf(fp, "%c", &c);
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comp_info[i]=c;
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i++;
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if (feof(fp)) break;
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if (c==10 /*eol*/) break;
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}
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comp_info[i-1]='\0'; /*cut the last " */
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if (h5repack_addlayout(comp_info,options)==-1){
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error_msg(progname, "could not add chunck option\n");
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exit(1);
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}
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}
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/*-------------------------------------------------------------------------
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* not valid
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*-------------------------------------------------------------------------
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*/
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else {
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error_msg(progname, "bad file format for %s", filename);
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exit(1);
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}
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}
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fclose(fp);
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return;
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}
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