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/*
* libexplain - Explain errno values returned by libc functions
* Copyright (C) 2008, 2009 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/string.h>
#include <libexplain/ac/unistd.h>
#include <libexplain/execve.h>
#include <libexplain/version_print.h>
static void
usage(void)
{
fprintf(stderr, "Usage: test_execve <pathname> [ <arg>... ]\n");
fprintf(stderr, " test_execve -V\n");
exit(EXIT_FAILURE);
}
static char *
base_of(char *pathname)
{
char *slash;
slash = strrchr(pathname, '/');
if (slash && slash[1])
return (slash + 1);
return pathname;
}
int
main(int argc, char **argv)
{
char *pathname;
for (;;)
{
int c = getopt(argc, argv, "V");
if (c == EOF)
break;
switch (c)
{
case 'V':
explain_version_print();
return 0;
default:
usage();
}
}
if (argc - optind < 1)
usage();
pathname = argv[optind];
argv[optind] = base_of(pathname);
explain_execve_or_die(pathname, argv + optind, environ);
/* NOTREACHED */
return 0;
}
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