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hdf5/tools/h5repack/h5repack.c

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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "H5private.h"
#include "h5repack.h"
#include "h5tools.h"
#include "h5tools_utils.h"
/*-------------------------------------------------------------------------
* File: h5repack.c
* Purpose: Public API functions
*-------------------------------------------------------------------------
*/
static int check_options(pack_opt_t *options);
static int check_objects(const char* fname, pack_opt_t *options);
static const char* get_sfilter (H5Z_filter_t filtn);
static int have_request(pack_opt_t *options);
/*-------------------------------------------------------------------------
* Function: h5repack
*
* Purpose: locate all high-level HDF5 objects in the file
* and compress/chunk them using options
*
* Algorithm: 2 traversals are made to the file; the 1st builds a list of
* the objects, the 2nd makes a copy of them, using the options;
* the reason for the 1st traversal is to check for invalid
* object name requests
*
* Return: 0, ok, -1, fail
*
* Programmer: pvn@ncsa.uiuc.edu
*
* Date: September, 22, 2003
*
*-------------------------------------------------------------------------
*/
int h5repack(const char* infile,
const char* outfile,
pack_opt_t *options)
{
/* check input */
if (check_options(options)<0)
return -1;
/* check for objects in input that are in the file */
if (check_objects(infile,options) < 0)
return -1;
/* copy the objects */
if (copy_objects(infile,outfile,options) < 0)
return -1;
return 0;
}
/*-------------------------------------------------------------------------
* Function: h5repack_init
*
* Purpose: initialize options
*
* Return: 0, ok, -1, fail
*
*-------------------------------------------------------------------------
*/
int
h5repack_init(pack_opt_t *options, int verbose, H5F_file_space_type_t strategy, hsize_t threshold)
{
int k, n;
memset(options,0,sizeof(pack_opt_t));
options->min_comp = 1024;
options->verbose = verbose;
for ( n = 0; n < H5_REPACK_MAX_NFILTERS; n++)
{
options->filter_g[n].filtn = -1;
options->filter_g[n].cd_nelmts = 0;
for ( k = 0; k < CD_VALUES; k++)
options->filter_g[n].cd_values[k] = 0;
}
options->fs_strategy = strategy;
options->fs_threshold = threshold;
return (options_table_init(&(options->op_tbl)));
}
/*-------------------------------------------------------------------------
* Function: h5repack_end
*
* Purpose: free options table
*
*-------------------------------------------------------------------------
*/
int h5repack_end (pack_opt_t *options)
{
return options_table_free(options->op_tbl);
}
/*-------------------------------------------------------------------------
* Function: h5repack_addfilter
*
* Purpose: add a compression -f option to table
* Example: -f dset:GZIP=6
*
* Return: 0, ok, -1, fail
*
*-------------------------------------------------------------------------
*/
int h5repack_addfilter(const char* str,
pack_opt_t *options)
{
obj_list_t *obj_list=NULL; /* one object list for the -f and -l option entry */
filter_info_t filter; /* filter info for the current -f option entry */
int n_objs; /* number of objects in the current -f or -l option entry */
int is_glb; /* is the filter global */
/* parse the -f option */
if(NULL == (obj_list = parse_filter(str, &n_objs, &filter, options, &is_glb)))
return -1;
/* if it applies to all objects */
if(is_glb)
{
int n;
n = options->n_filter_g++; /* increase # of global filters */
if(options->n_filter_g > H5_REPACK_MAX_NFILTERS)
{
error_msg("maximum number of filters exceeded for <%s>\n", str);
free(obj_list);
return -1;
}
options->filter_g[n] = filter;
}
else
options_add_filter(obj_list, n_objs, filter, options->op_tbl);
free(obj_list);
return 0;
}
/*-------------------------------------------------------------------------
* Function: h5repack_addlayout
*
* Purpose: add a layout option
*
* Return: 0, ok, -1, fail
*
*-------------------------------------------------------------------------
*/
int h5repack_addlayout(const char* str,
pack_opt_t *options)
{
obj_list_t *obj_list=NULL; /*one object list for the -t and -c option entry */
int n_objs; /*number of objects in the current -t or -c option entry */
pack_info_t pack; /*info about layout to extract from parse */
int j;
init_packobject(&pack);
if (options->all_layout==1){
error_msg("invalid layout input: 'all' option \
is present with other objects <%s>\n",str);
return -1;
}
/* parse the layout option */
obj_list=parse_layout(str,&n_objs,&pack,options);
if (obj_list==NULL)
return -1;
/* set global layout option */
if (options->all_layout==1 )
{
options->layout_g=pack.layout;
if (pack.layout==H5D_CHUNKED)
{
/* -2 means the NONE option, remove chunking
and set the global layout to contiguous */
if (pack.chunk.rank==-2)
{
options->layout_g = H5D_CONTIGUOUS;
}
/* otherwise set the global chunking type */
else
{
options->chunk_g.rank=pack.chunk.rank;
for (j = 0; j < pack.chunk.rank; j++)
options->chunk_g.chunk_lengths[j] = pack.chunk.chunk_lengths[j];
}
}
}
if (options->all_layout==0)
options_add_layout(obj_list,
n_objs,
&pack,
options->op_tbl);
free(obj_list);
return 0;
}
/* Note: The below copy_named_datatype(), named_datatype_free(), copy_attr()
* were located in h5repack_copy.c as static prior to bugfix1726.
* Made shared functions as copy_attr() was needed in h5repack_refs.c.
* However copy_attr() may be obsoleted when H5Acopy is available and put back
* others to static in h5repack_copy.c.
*/
/*-------------------------------------------------------------------------
* Function: copy_named_datatype
*
* Purpose: Copies the specified datatype anonymously, and returns an open
* id for that datatype in the output file. The first time this
* is called it scans every named datatype in travt into a
* private stack, afterwards it simply scans that stack. The id
* returned must be closed after it is no longer needed.
* named_datatype_free must be called before the program exits
* to free the stack.
*
* Programmer: Neil Fortner
*
* Date: April 14, 2009
*
*-------------------------------------------------------------------------
*/
hid_t copy_named_datatype(hid_t type_in, hid_t fidout, named_dt_t **named_dt_head_p, trav_table_t *travt, pack_opt_t *options)
{
named_dt_t *dt = *named_dt_head_p; /* Stack pointer */
named_dt_t *dt_ret = NULL; /* Datatype to return */
H5O_info_t oinfo; /* Object info of input dtype */
hid_t ret_value = -1; /* The identifier of the named dtype in the out file */
if(H5Oget_info(type_in, &oinfo) < 0)
goto error;
if(*named_dt_head_p)
{
/* Stack already exists, search for the datatype */
while(dt && dt->addr_in != oinfo.addr)
dt = dt->next;
dt_ret = dt;
}
else
{
/* Create the stack */
size_t i;
for(i=0; i<travt->nobjs; i++)
if(travt->objs[i].type == H5TRAV_TYPE_NAMED_DATATYPE)
{
/* Push onto the stack */
if(NULL == (dt = (named_dt_t *) HDmalloc(sizeof(named_dt_t))))
goto error;
dt->next = *named_dt_head_p;
*named_dt_head_p = dt;
/* Update the address and id */
dt->addr_in = travt->objs[i].objno;
dt->id_out = -1;
/* Check if this type is the one requested */
if(oinfo.addr == dt->addr_in)
{
HDassert(!dt_ret);
dt_ret = dt;
} /* end if */
} /* end if */
} /* end else */
/* Handle the case that the requested datatype was not found. This is
* possible if the datatype was committed anonymously in the input file. */
if(!dt_ret)
{
/* Push the new datatype onto the stack */
if(NULL == (dt_ret = (named_dt_t *) HDmalloc(sizeof(named_dt_t))))
goto error;
dt_ret->next = *named_dt_head_p;
*named_dt_head_p = dt_ret;
/* Update the address and id */
dt_ret->addr_in = oinfo.addr;
dt_ret->id_out = -1;
} /* end if */
/* If the requested datatype does not yet exist in the output file, copy it
* anonymously */
if(dt_ret->id_out < 0)
{
if (options->use_native==1)
dt_ret->id_out = h5tools_get_native_type(type_in);
else
dt_ret->id_out = H5Tcopy(type_in);
if(dt_ret->id_out < 0)
goto error;
if(H5Tcommit_anon(fidout, dt_ret->id_out, H5P_DEFAULT, H5P_DEFAULT) < 0)
goto error;
} /* end if */
/* Set return value */
ret_value = dt_ret->id_out;
/* Increment the ref count on id_out, because the calling function will try
* to close it */
if(H5Iinc_ref(ret_value) < 0)
goto error;
return(ret_value);
error:
return(-1);
} /* end copy_named_datatype */
/*-------------------------------------------------------------------------
* Function: named_datatype_free
*
* Purpose: Frees the stack of named datatypes.
*
* Programmer: Neil Fortner
*
* Date: April 14, 2009
*
*-------------------------------------------------------------------------
*/
int named_datatype_free(named_dt_t **named_dt_head_p, int ignore_err)
{
named_dt_t *dt = *named_dt_head_p;
while(dt)
{
/* Pop the datatype off the stack and free it */
if(H5Tclose(dt->id_out) < 0 && !ignore_err)
goto error;
dt = dt->next;
HDfree(*named_dt_head_p);
*named_dt_head_p = dt;
} /* end while */
return 0;
error:
return -1;
} /* end named_datatype_free */
/*-------------------------------------------------------------------------
* Function: copy_attr
*
* Purpose: copy attributes located in LOC_IN, which is obtained either from
* loc_id = H5Gopen2( fid, name);
* loc_id = H5Dopen2( fid, name);
* loc_id = H5Topen2( fid, name);
*
* Return: 0, ok, -1 no
*
* Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
*
* Date: October, 28, 2003
*
*-------------------------------------------------------------------------
*/
int copy_attr(hid_t loc_in,
hid_t loc_out,
named_dt_t **named_dt_head_p,
trav_table_t *travt,
pack_opt_t *options)
{
hid_t attr_id=-1; /* attr ID */
hid_t attr_out=-1; /* attr ID */
hid_t space_id=-1; /* space ID */
hid_t ftype_id=-1; /* file type ID */
hid_t wtype_id=-1; /* read/write type ID */
size_t msize; /* size of type */
void *buf=NULL; /* data buffer */
hsize_t nelmts; /* number of elements in dataset */
int rank; /* rank of dataset */
htri_t is_named; /* Whether the datatype is named */
hsize_t dims[H5S_MAX_RANK];/* dimensions of dataset */
char name[255];
H5O_info_t oinfo; /* object info */
int j;
unsigned u;
if(H5Oget_info(loc_in, &oinfo) < 0)
goto error;
/*-------------------------------------------------------------------------
* copy all attributes
*-------------------------------------------------------------------------
*/
for ( u = 0; u < (unsigned)oinfo.num_attrs; u++)
{
buf=NULL;
/* open attribute */
if((attr_id = H5Aopen_by_idx(loc_in, ".", H5_INDEX_CRT_ORDER, H5_ITER_INC, (hsize_t)u, H5P_DEFAULT, H5P_DEFAULT)) < 0)
goto error;
/* get name */
if (H5Aget_name( attr_id, (size_t)255, name ) < 0)
goto error;
/* get the file datatype */
if ((ftype_id = H5Aget_type( attr_id )) < 0 )
goto error;
/* Check if the datatype is committed */
if((is_named = H5Tcommitted(ftype_id)) < 0)
goto error;
if(is_named && travt)
{
hid_t fidout;
/* Create out file id */
if((fidout = H5Iget_file_id(loc_out)) < 0)
goto error;
/* Copy named dt */
if((wtype_id = copy_named_datatype(ftype_id, fidout, named_dt_head_p,
travt, options)) < 0)
{
H5Fclose(fidout);
goto error;
} /* end if */
if(H5Fclose(fidout) < 0)
goto error;
}
else
{
if (options->use_native==1)
wtype_id = h5tools_get_native_type(ftype_id);
else
wtype_id = H5Tcopy(ftype_id);
} /* end if */
/* get the dataspace handle */
if ((space_id = H5Aget_space( attr_id )) < 0 )
goto error;
/* get dimensions */
if ( (rank = H5Sget_simple_extent_dims(space_id, dims, NULL)) < 0 )
goto error;
nelmts=1;
for (j=0; j<rank; j++)
nelmts*=dims[j];
if ((msize=H5Tget_size(wtype_id))==0)
goto error;
/*-------------------------------------------------------------------------
* object references are a special case
* we cannot just copy the buffers, but instead we recreate the reference
* this is done on a second sweep of the file that just copies
* the referenced objects
*-------------------------------------------------------------------------
*/
if (H5T_REFERENCE==H5Tget_class(wtype_id))
{
;
}
else
{
/*-------------------------------------------------------------------------
* read to memory
*-------------------------------------------------------------------------
*/
buf = (void *)HDmalloc((size_t)(nelmts * msize));
if(buf == NULL)
{
error_msg("h5repack", "cannot read into memory\n" );
goto error;
}
if(H5Aread(attr_id, wtype_id, buf) < 0)
goto error;
/*-------------------------------------------------------------------------
* copy
*-------------------------------------------------------------------------
*/
if((attr_out = H5Acreate2(loc_out, name, wtype_id, space_id, H5P_DEFAULT, H5P_DEFAULT)) < 0)
goto error;
if(H5Awrite(attr_out, wtype_id, buf) < 0)
goto error;
/*close*/
if(H5Aclose(attr_out) < 0)
goto error;
if(buf)
free(buf);
} /*H5T_REFERENCE*/
if(options->verbose)
printf(FORMAT_OBJ_ATTR, "attr", name);
/*-------------------------------------------------------------------------
* close
*-------------------------------------------------------------------------
*/
if (H5Tclose(ftype_id) < 0) goto error;
if (H5Tclose(wtype_id) < 0) goto error;
if (H5Sclose(space_id) < 0) goto error;
if (H5Aclose(attr_id) < 0) goto error;
} /* u */
return 0;
error:
H5E_BEGIN_TRY {
H5Tclose(ftype_id);
H5Tclose(wtype_id);
H5Sclose(space_id);
H5Aclose(attr_id);
H5Aclose(attr_out);
if (buf)
free(buf);
} H5E_END_TRY;
return -1;
}
/*-------------------------------------------------------------------------
* Function: check_options
*
* Purpose: print options, checks for invalid options
*
* Return: void, return -1 on error
*
* Programmer: pvn@ncsa.uiuc.edu
*
* Date: September, 22, 2003
*
* Modification:
* Peter Cao, July 9, 2007
* Add "-L, --latest" and other options to pack a file with the latest file format
*
*-------------------------------------------------------------------------
*/
static int check_options(pack_opt_t *options)
{
unsigned int i;
int k, j, has_cp=0, has_ck=0;
char slayout[30];
/*-------------------------------------------------------------------------
* objects to layout
*-------------------------------------------------------------------------
*/
if (options->verbose && have_request(options) /* only print if requested */)
{
printf("Objects to modify layout are...\n");
if (options->all_layout==1)
{
switch (options->layout_g)
{
case H5D_COMPACT:
strcpy(slayout,"compact");
break;
case H5D_CONTIGUOUS:
strcpy(slayout,"contiguous");
break;
case H5D_CHUNKED:
strcpy(slayout,"chunked");
break;
case H5D_LAYOUT_ERROR:
case H5D_NLAYOUTS:
error_msg("invalid layout\n");
return -1;
default:
strcpy(slayout,"invalid layout\n");
return -1;
}
printf(" Apply %s layout to all\n", slayout);
if (H5D_CHUNKED==options->layout_g)
{
printf("with dimension [");
for ( j = 0; j < options->chunk_g.rank; j++)
printf("%d ",(int)options->chunk_g.chunk_lengths[j]);
printf("]\n");
}
}
}/* verbose */
for ( i = 0; i < options->op_tbl->nelems; i++)
{
char* name=options->op_tbl->objs[i].path;
if (options->op_tbl->objs[i].chunk.rank>0)
{
if (options->verbose){
printf(" <%s> with chunk size ",name);
for ( k = 0; k < options->op_tbl->objs[i].chunk.rank; k++)
printf("%d ",(int)options->op_tbl->objs[i].chunk.chunk_lengths[k]);
printf("\n");
}
has_ck=1;
}
else if (options->op_tbl->objs[i].chunk.rank==-2)
{
if (options->verbose)
printf(" <%s> %s\n",name,"NONE (contigous)");
has_ck=1;
}
}
if (options->all_layout==1 && has_ck)
{
error_msg("invalid chunking input: 'all' option\
is present with other objects\n");
return -1;
}
/*-------------------------------------------------------------------------
* objects to filter
*-------------------------------------------------------------------------
*/
if (options->verbose && have_request(options) /* only print if requested */)
{
printf("Objects to apply filter are...\n");
if (options->all_filter==1)
{
for (k = 0; k < options->n_filter_g; k++ )
{
H5Z_filter_t filtn=options->filter_g[k].filtn;
switch (filtn)
{
case H5Z_FILTER_NONE:
printf(" Uncompress all\n");
break;
case H5Z_FILTER_SHUFFLE:
case H5Z_FILTER_FLETCHER32:
printf(" All with %s\n",get_sfilter(filtn));
break;
case H5Z_FILTER_SZIP:
case H5Z_FILTER_DEFLATE:
printf(" All with %s, parameter %d\n",
get_sfilter(filtn),
options->filter_g[k].cd_values[0]);
break;
default:
break;
} /* k */
};
}
} /* verbose */
for ( i = 0; i < options->op_tbl->nelems; i++)
{
pack_info_t pack = options->op_tbl->objs[i];
char* name = pack.path;
for ( j=0; j<pack.nfilters; j++)
{
if (options->verbose)
{
printf(" <%s> with %s filter\n",
name,
get_sfilter(pack.filter[j].filtn));
}
has_cp=1;
} /* j */
} /* i */
if (options->all_filter==1 && has_cp)
{
error_msg("invalid compression input: 'all' option\
is present with other objects\n");
return -1;
}
/*-------------------------------------------------------------------------
* check options for the latest format
*-------------------------------------------------------------------------
*/
if (options->grp_compact < 0)
{
error_msg("invalid maximum number of links to store as header messages\n");
return -1;
}
if (options->grp_indexed < 0)
{
error_msg("invalid minimum number of links to store in the indexed format\n");
return -1;
}
if (options->grp_indexed > options->grp_compact)
{
error_msg("minimum indexed size is greater than the maximum compact size\n");
return -1;
}
for (i=0; i<8; i++)
{
if (options->msg_size[i]<0)
{
error_msg("invalid shared message size\n");
return -1;
}
}
/*--------------------------------------------------------------------------------
* verify new user userblock options; file name must be present
*---------------------------------------------------------------------------------
*/
if ( options->ublock_filename != NULL && options->ublock_size == 0 )
{
if ( options->verbose )
{
printf("Warning: user block size missing for file %s. Assigning a default size of 1024...\n",
options->ublock_filename);
options->ublock_size = 1024;
}
}
if ( options->ublock_filename == NULL && options->ublock_size != 0 )
{
error_msg("file name missing for user block\n",
options->ublock_filename);
return -1;
}
/*--------------------------------------------------------------------------------
* verify alignment options; threshold is zero default but alignment not
*---------------------------------------------------------------------------------
*/
if ( options->alignment == 0 && options->threshold != 0 )
{
error_msg("alignment for H5Pset_alignment missing\n");
return -1;
}
return 0;
}
/*-------------------------------------------------------------------------
* Function: check_objects
*
* Purpose: locate all HDF5 objects in the file and compare with user
* supplied list
*
* Return: 0, ok, -1 no
*
* Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
*
* Date: September, 23, 2003
*
*-------------------------------------------------------------------------
*/
static int check_objects(const char* fname,
pack_opt_t *options)
{
hid_t fid;
unsigned int i;
trav_table_t *travt = NULL;
/* nothing to do */
if(options->op_tbl->nelems == 0)
return 0;
/*-------------------------------------------------------------------------
* open the file
*-------------------------------------------------------------------------
*/
if((fid = h5tools_fopen(fname, H5F_ACC_RDONLY, H5P_DEFAULT, NULL, NULL, 0)) < 0)
{
printf("<%s>: %s\n", fname, H5FOPENERROR );
return -1;
}
/*-------------------------------------------------------------------------
* get the list of objects in the file
*-------------------------------------------------------------------------
*/
/* init table */
trav_table_init(&travt);
/* get the list of objects in the file */
if(h5trav_gettable(fid, travt) < 0)
goto out;
/*-------------------------------------------------------------------------
* compare with user supplied list
*-------------------------------------------------------------------------
*/
if(options->verbose)
printf("Opening file <%s>. Searching for objects to modify...\n", fname);
for(i = 0; i < options->op_tbl->nelems; i++)
{
char* name=options->op_tbl->objs[i].path;
if(options->verbose)
printf(" <%s>",name);
/* the input object names are present in the file and are valid */
if(h5trav_getindext(name, travt) < 0)
{
error_msg("%s Could not find <%s> in file <%s>. Exiting...\n",
(options->verbose?"\n":""),name,fname);
goto out;
}
if(options->verbose)
printf("...Found\n");
/* check for extra filter conditions */
switch(options->op_tbl->objs[i].filter->filtn)
{
/* chunk size must be smaller than pixels per block */
case H5Z_FILTER_SZIP:
{
int j;
hsize_t csize = 1;
unsigned ppb = options->op_tbl->objs[i].filter->cd_values[0];
hsize_t dims[H5S_MAX_RANK];
int rank;
hid_t did;
hid_t sid;
if(options->op_tbl->objs[i].chunk.rank > 0) {
rank = options->op_tbl->objs[i].chunk.rank;
for(j = 0; j < rank; j++)
csize *= options->op_tbl->objs[i].chunk.chunk_lengths[j];
}
else {
if((did = H5Dopen2(fid, name, H5P_DEFAULT)) < 0)
goto out;
if((sid = H5Dget_space(did)) < 0)
goto out;
if((rank = H5Sget_simple_extent_ndims(sid)) < 0)
goto out;
HDmemset(dims, 0, sizeof dims);
if(H5Sget_simple_extent_dims(sid, dims, NULL) < 0)
goto out;
for(j = 0; j < rank; j++)
csize *= dims[j];
if(H5Sclose(sid) < 0)
goto out;
if(H5Dclose(did) < 0)
goto out;
}
if (csize < ppb ) {
printf(" <warning: SZIP settins, chunk size is smaller than pixels per block>\n");
goto out;
}
}
break;
default:
break;
}
} /* i */
/*-------------------------------------------------------------------------
* close
*-------------------------------------------------------------------------
*/
H5Fclose(fid);
trav_table_free(travt);
return 0;
out:
H5Fclose(fid);
trav_table_free(travt);
return -1;
}
/*-------------------------------------------------------------------------
* Function: have_request
*
* Purpose: check if a filter or layout was requested
*
* Return: 1 yes, 0 no
*
* Date: May, 24, 2007
*
*-------------------------------------------------------------------------
*/
static int have_request(pack_opt_t *options)
{
if (options->all_filter || options->all_layout || options->op_tbl->nelems)
return 1;
return 0;
}
/*-------------------------------------------------------------------------
* Function: get_sfilter
*
* Purpose: return the filter as a string name
*
* Return: name of filter, exit on error
*
*-------------------------------------------------------------------------
*/
static const char* get_sfilter(H5Z_filter_t filtn)
{
if (filtn==H5Z_FILTER_NONE)
return "NONE";
else if (filtn==H5Z_FILTER_DEFLATE)
return "GZIP";
else if (filtn==H5Z_FILTER_SZIP)
return "SZIP";
else if (filtn==H5Z_FILTER_SHUFFLE)
return "SHUFFLE";
else if (filtn==H5Z_FILTER_FLETCHER32)
return "FLETCHER32";
else if (filtn==H5Z_FILTER_NBIT)
return "NBIT";
else if (filtn==H5Z_FILTER_SCALEOFFSET)
return "SOFF";
else {
error_msg("input error in filter type\n");
exit(EXIT_FAILURE);
}
}
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