whoami.c

Absolute File Name:

/home/opencoverage/opencoverage/guest-scripts/coreutils/src/src/whoami.c

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/* whoami -- print effective userid

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/>. */

/* Equivalent to 'id -un'. */

/* Written by Richard Mlynarik. */

#include <config.h>

#include <stdio.h>

#include <sys/types.h>

#include <pwd.h>

#include <getopt.h>

#include "system.h"

#include "die.h"

#include "error.h"

#include "long-options.h"

#include "quote.h"

/* The official name of this program (e.g., no 'g' prefix). */

#define PROGRAM_NAME "whoami"

#define AUTHORS proper_name ("Richard Mlynarik")

static struct option const long_options[] =

{

{NULL, 0, NULL, 0}

};

void

usage (int status)

{

if (status != EXIT_SUCCESS)

status != 0	Description
TRUE	evaluated 3 times by 1 test Evaluated by: whoami
FALSE	evaluated 3 times by 1 test Evaluated by: whoami

emit_try_help ();

executed 3 times by 1 test: end of block

Executed by:

whoami

else

{

printf (_("Usage: %s [OPTION]...\n"), program_name);

fputs (_("\

Print the user name associated with the current effective user ID.\n\

Same as id -un.\n\

\n\

"), stdout);

fputs (HELP_OPTION_DESCRIPTION, stdout);

fputs (VERSION_OPTION_DESCRIPTION, stdout);

emit_ancillary_info (PROGRAM_NAME);

}

executed 3 times by 1 test: end of block

Executed by:

whoami

exit (status);

executed 6 times by 1 test: exit (status);

Executed by:

whoami

}

int

main (int argc, char **argv)

{

struct passwd *pw;

uid_t uid;

uid_t NO_UID = -1;

initialize_main (&argc, &argv);

set_program_name (argv[0]);

setlocale (LC_ALL, "");

bindtextdomain (PACKAGE, LOCALEDIR);

textdomain (PACKAGE);

atexit (close_stdout);

parse_long_options (argc, argv, PROGRAM_NAME, PACKAGE_NAME, Version,

usage, AUTHORS, (char const *) NULL);

if (getopt_long (argc, argv, "", long_options, NULL) != -1)

getopt_long (a...d *)0) ) != -1	Description
TRUE	evaluated 3 times by 1 test Evaluated by: whoami
FALSE	evaluated 1 time by 1 test Evaluated by: whoami

1-3

usage (EXIT_FAILURE);

executed 3 times by 1 test: usage ( 1 );

Executed by:

whoami

if (optind != argc)

optind != argc	Description
TRUE	never evaluated
FALSE	evaluated 1 time by 1 test Evaluated by: whoami

0-1

{

error (0, 0, _("extra operand %s"), quote (argv[optind]));

usage (EXIT_FAILURE);

}

never executed: end of block

errno = 0;

uid = geteuid ();

pw = (uid == NO_UID && errno ? NULL : getpwuid (uid));

uid == NO_UID	Description
TRUE	never evaluated
FALSE	evaluated 1 time by 1 test Evaluated by: whoami

(*__errno_location ())	Description
TRUE	never evaluated
FALSE	never evaluated

0-1

if (!pw)

!pw	Description
TRUE	never evaluated
FALSE	evaluated 1 time by 1 test Evaluated by: whoami

0-1

die (EXIT_FAILURE, errno, _("cannot find name for user ID %lu"),

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"cannot find name for user ID %lu\", 5), (unsigned long int) uid), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*...nsigned long int) uid), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "cannot find name for user ID %lu" , 5) , (unsigned long int) uid), (( 0 ) ? (void) 0 : __builtin_unreachable ())))) ;

(unsigned long int) uid);

never executed:

((!!sizeof (struct { _Static_assert ( 1 , "verify_expr (" "1" ", " "(error (1, (*__errno_location ()), dcgettext (((void *)0), \"cannot find name for user ID %lu\", 5), (unsigned long int) uid), assume (false))" ")"); int _gl_dummy; })) ? ((error ( 1 , (*...nsigned long int) uid), (( 0 ) ? (void) 0 : __builtin_unreachable ()))) : ((error ( 1 , (*__errno_location ()) , dcgettext (((void *)0), "cannot find name for user ID %lu" , 5) , (unsigned long int) uid), (( 0 ) ? (void) 0 : __builtin_unreachable ())))) ;

puts (pw->pw_name);

return EXIT_SUCCESS;

executed 1 time by 1 test: return 0 ;

Executed by:

whoami

}

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