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/*
* libexplain - Explain errno values returned by libc functions
* Copyright (C) 2010-2012 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/errno.h>
#include <libexplain/ac/stdarg.h>
#include <libexplain/ac/stdio.h>
#include <libexplain/ac/stdlib.h>
#include <libexplain/ac/unistd.h>
#include <libexplain/fopen.h>
#include <libexplain/buffer/pathname.h>
#include <libexplain/version_print.h>
#include <libexplain/vfprintf.h>
#include <libexplain/wrap_and_print.h>
static void
usage(void)
{
fprintf(stderr, "Usage: test_vfprintf\n");
fprintf(stderr, " test_vfprintf -V\n");
exit(EXIT_FAILURE);
}
static void
test(int errnum, FILE *fp, const char *fmt, ...)
{
va_list ap;
printf("\n");
va_start(ap, fmt);
explain_wrap_and_print(stdout, explain_errno_vfprintf(errnum, fp, fmt, ap));
va_end(ap);
}
int
main(int argc, char **argv)
{
FILE *fp;
for (;;)
{
int c = getopt(argc, argv, "V");
if (c == EOF)
break;
switch (c)
{
case 'V':
explain_version_print();
return EXIT_SUCCESS;
default:
usage();
}
}
if (optind != argc)
usage();
fp = explain_fopen_or_die("/dev/null", "w");
test(EINVAL, fp, NULL);
test(EINVAL, fp, "...%l%...");
test(EINVAL, fp, "...%_...");
test(EINVAL, fp, "...%2$ 'I#0lzjqLh_...");
test(EINVAL, fp, "%1$d%3$d", 1, 2, 3);
return EXIT_SUCCESS;
}
/* vim: set ts=8 sw=4 et : */
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