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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* 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 "use.h"
void
usage(const char *prog)
{
fprintf(stderr, "usage: %s [OPTIONS]\n", prog);
fprintf(stderr, " OPTIONS\n");
fprintf(stderr, " -h, --help Print a usage message and exit\n");
fprintf(stderr, " -f FN Test file name [default: %s.h5]\n", prog);
fprintf(stderr, " -l w|r launch writer or reader only. [default: launch both]\n");
fprintf(stderr, " -s N, --swmr=N Use SWMR mode (0: no, non-0: yes) default is yes\n");
fprintf(stderr, " -z N, --chunksize=N Chunk size [default: %d]\n", Chunksize_DFT);
fprintf(stderr, "\n");
}
/* Setup Use Case parameters by parsing command line options.
* Setup default values if not set by options. */
int
parse_option(int argc, char * const argv[])
{
int ret_value=0;
int c;
/* command line options: See function usage for a description */
const char *nagg_options = "f:hl:s:z:";
/* suppress getopt from printing error */
opterr = 0;
while (1){
c = getopt (argc, argv, nagg_options);
if (-1 == c)
break;
switch (c) {
case 'h':
usage(progname_g);
break;
case 'f': /* usecase data file name */
UC_opts.filename = optarg;
break;
case 'l': /* launch reader or writer only */
switch (*optarg) {
case 'r': /* reader only */
UC_opts.launch = UC_READER;
break;
case 'w': /* writer only */
UC_opts.launch = UC_WRITER;
break;
default:
fprintf(stderr, "launch value(%c) should be w or r only.\n", *optarg);
usage(progname_g);
Hgoto_error(-1);
break;
}
break;
case 's': /* use swmr file open mode */
if ((UC_opts.use_swmr = atoi(optarg)) < 0){
fprintf(stderr, "swmr value should be 0(no) or 1(yes)\n");
usage(progname_g);
Hgoto_error(-1);
};
break;
case 'z': /* size of chunk=(z,z) */
if ((UC_opts.chunksize = atoi(optarg)) <= 0){
fprintf(stderr, "bad chunksize %s, must be a positive integer\n", optarg);
usage(progname_g);
Hgoto_error(-1);
};
break;
case '?':
fprintf(stderr, "getopt returned '%c'.\n", c);
Hgoto_error(-1);
default:
fprintf(stderr, "getopt returned unexpected value.\n");
fprintf(stderr, "Unexpected value is %d\n", c);
Hgoto_error(-1);
}
}
/* set nplanes */
if (UC_opts.nplanes == 0)
UC_opts.nplanes = UC_opts.chunksize;
/* set test file name if not given */
if (!UC_opts.filename){
/* default data file name is <progname>.h5 */
if ((UC_opts.filename=(char*)HDmalloc(HDstrlen(progname_g)+4))==NULL) {
fprintf(stderr, "malloc: failed\n");
Hgoto_error(-1);
};
HDstrcpy(UC_opts.filename, progname_g);
HDstrcat(UC_opts.filename, ".h5");
}
done:
/* All done. */
return(ret_value);
}
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