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/*
* libexplain - Explain errno values returned by libc functions
* Copyright (C) 2009, 2012, 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
* 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/stdio.h>
#include <libexplain/ac/stdlib.h>
#include <libexplain/ac/unistd.h>
#include <libexplain/string_to_thing.h>
#include <libexplain/strtoul.h>
#include <libexplain/version_print.h>
static void
usage(void)
{
fprintf(stderr, "Usage: test_strtoul <nptr> <endptr> <base>\n");
fprintf(stderr, " test_strtoul -V\n");
exit(EXIT_FAILURE);
}
int
main(int argc, char **argv)
{
const char *nptr;
char *end;
int base;
unsigned long result;
for (;;)
{
int c = getopt(argc, argv, "V");
if (c == EOF)
break;
switch (c)
{
case 'V':
explain_version_print();
return EXIT_SUCCESS;
default:
usage();
}
}
nptr = 0;
base = 0;
switch (argc - optind)
{
case 2:
base = explain_parse_int_or_die(argv[optind + 1]);
/* fall through... */
case 1:
nptr = argv[optind];
break;
default:
usage();
}
end = 0;
result = explain_strtoul_or_die(nptr, &end, base);
printf("%lu\n", result);
if (*end)
printf("more text (\"%s\") follows number\n", end);
return EXIT_SUCCESS;
}
/* vim: set ts=8 sw=4 et : */
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