long-options.c

Absolute File Name:

/home/opencoverage/opencoverage/guest-scripts/coreutils/src/gnulib/lib/long-options.c

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/* Utility to accept --help and --version options as unobtrusively as possible.

Foundation, Inc.

This program is free software: you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 3 of the License, or

(at your option) any later version.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program. If not, see <https://www.gnu.org/licenses/>. */

/* Written by Jim Meyering. */

#include <config.h>

/* Specification. */

#include "long-options.h"

#include <stdarg.h>

#include <stdio.h>

#include <stdlib.h>

#include <getopt.h>

#include "version-etc.h"

static struct option const long_options[] =

{

{"help", no_argument, NULL, 'h'},

{"version", no_argument, NULL, 'v'},

{NULL, 0, NULL, 0}

};

/* Process long options --help and --version, but only if argc == 2.

Be careful not to gobble up "--". */

void

parse_long_options (int argc,

char **argv,

const char *command_name,

const char *package,

const char *version,

void (*usage_func) (int),

/* const char *author1, ...*/ ...)

{

int c;

int saved_opterr;

saved_opterr = opterr;

/* Don't print an error message for unrecognized options. */

opterr = 0;

if (argc == 2

argc == 2	Description
TRUE	evaluated 399 times by 14 tests Evaluated by: cksum dd expr hostid link logname nohup sleep tsort unlink uptime users whoami yes
FALSE	evaluated 5542 times by 12 tests Evaluated by: cksum dd expr getlimits hostid link nohup sleep tsort users whoami yes

399-5542

&& (c = getopt_long (argc, argv, "+", long_options, NULL)) != -1)

(c = getopt_lo... *)0) )) != -1	Description
TRUE	evaluated 155 times by 14 tests Evaluated by: cksum dd expr hostid link logname nohup sleep tsort unlink uptime users whoami yes
FALSE	evaluated 244 times by 7 tests Evaluated by: dd expr nohup sleep tsort unlink yes

155-244

{

switch (c)

{

case 'h':

executed 42 times by 14 tests: case 'h':

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(*usage_func) (EXIT_SUCCESS);

break;

never executed: break;

case 'v':

executed 72 times by 14 tests: case 'v':

Executed by:

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{

va_list authors;

va_start (authors, usage_func);

version_etc_va (stdout, command_name, package, version, authors);

exit (0);

executed 72 times by 14 tests: exit (0);

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}

default:

code before this statement never executed: default:

executed 41 times by 14 tests: default:

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0-41

/* Don't process any other long-named options. */

break;

executed 41 times by 14 tests: break;

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}

/* Restore previous value. */

opterr = saved_opterr;

/* Reset this to zero so that getopt internals get initialized from

the probably-new parameters when/if getopt is called later. */

optind = 0;

}

executed 5827 times by 15 tests: end of block

Executed by:

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5827

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