2 * Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org>
3 * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU Lesser General Public License version 2.1
7 * as published by the Free Software Foundation
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
15 #include <sys/types.h>
22 static int redirect_output(const char *dev
)
28 fd
= open(dev
, O_RDWR
);
38 dup2(fd
, STDIN_FILENO
);
39 dup2(fd
, STDOUT_FILENO
);
40 dup2(fd
, STDERR_FILENO
);
47 int main(int argc
, char **argv
)
49 if (redirect_output(argv
[1]))
50 fprintf(stderr
, "%s: Failed to open %s\n", argv
[0], argv
[1]);
52 printf("Please press Enter to activate this console.\n");
53 while (getchar() != 0xA)
55 execvp(argv
[2], &argv
[2]);
56 printf("%s: Failed to execute %s\n", argv
[0], argv
[2]);