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/*
* libexplain - Explain errno values returned by libc functions
* Copyright (C) 2013 Peter Miller
*
* 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 Lesser
* 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 <http://www.gnu.org/licenses/>.
*/
#include <libexplain/ac/fcntl.h>
#include <libexplain/ac/stdio.h>
#include <libexplain/ac/stdlib.h>
#include <libexplain/ac/sys/stat.h>
#include <libexplain/ac/unistd.h>
#include <libexplain/buffer/fstatat_flags.h>
#include <libexplain/buffer/stat.h>
#include <libexplain/fstatat.h>
#include <libexplain/open.h>
#include <libexplain/string_buffer.h>
#include <libexplain/string_to_thing.h>
#include <libexplain/version_print.h>
#include <libexplain/wrap_and_print.h>
static void
usage(void)
{
fprintf(stderr, "Usage: test_fstatat <fildes> <pathname> [ <data> ] "
"<flags>\n");
fprintf(stderr, " test_fstatat -V\n");
exit(EXIT_FAILURE);
}
int
main(int argc, char **argv)
{
int fildes;
const char *pathname;
struct stat data_var;
struct stat *data;
int flags;
for (;;)
{
int c = getopt(argc, argv, "V");
if (c == EOF)
break;
switch (c)
{
case 'V':
explain_version_print();
return EXIT_SUCCESS;
default:
usage();
}
}
fildes = 0;
pathname = 0;
data = &data_var;
flags = 0;
switch (argc - optind)
{
default:
usage();
case 4:
flags = explain_parse_fstatat_flags_or_die(argv[optind + 3], "arg 4");
data = explain_parse_pointer_or_die(argv[optind + 2]);
goto arg2;
case 3:
flags = explain_parse_fstatat_flags_or_die(argv[optind + 2], "arg 3");
/* Fall through... */
case 2:
arg2:
pathname = argv[optind + 1];
/* case 1: */
{
char *ep = 0;
fildes = strtol(argv[0], &ep, 0);
if (argv[0] == ep || *ep)
{
fildes = explain_open_or_die(argv[0], O_RDONLY, 0);
}
}
break;
}
explain_fstatat_or_die(fildes, pathname, data, flags);
{
char text[10000];
explain_string_buffer_t sb;
explain_string_buffer_init(&sb, text, sizeof(text));
explain_buffer_stat(&sb, data);
explain_wrap_and_print(stdout, text);
}
return EXIT_SUCCESS;
}
/* vim: set ts=8 sw=4 et : */
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