[ipfire-2.x.git] / src / misc-progs / iowrap.c

/* SmoothWall helper program - iowrap.
 *
 * This program is distributed under the terms of the GNU General Public
 * Licence.  See the file COPYING for details.
 *
 * (c) Lawrence Manning, 2001
 * Installer helper for redirecting stdout/stderr to a file/terminal.
 * init calls ash through this program to shove it on a tty.
 * 
 * $Id: iowrap.c,v 1.2 2001/11/27 15:20:50 riddles Exp $
 * 
 */

#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>

int main(int argc, char *argv[])
{
	/* Prog takes one argument.  A device to run on (like a getty) */
	if (argc >= 2)
	{
		int fd;
		
		if ((fd = open(argv[1], O_RDWR)) == -1)
		{
			printf("Couldn't open device\n");
			return 0;
		}
		dup2(fd, 0);
		dup2(fd, 1);
		dup2(fd, 2);
		/* Now its sending/reading on that device. */
	}
	
	if (argc >= 3)	
		execvp(argv[2], &argv[2]);
	else
		printf("No command\n");

	return 0;
}
Commit	Line	Data
	1	/* SmoothWall helper program - iowrap.
	2	*
	3	* This program is distributed under the terms of the GNU General Public
	4	* Licence. See the file COPYING for details.
	5	*
	6	* (c) Lawrence Manning, 2001
	7	* Installer helper for redirecting stdout/stderr to a file/terminal.
	8	* init calls ash through this program to shove it on a tty.
	9	*
	10	* $Id: iowrap.c,v 1.2 2001/11/27 15:20:50 riddles Exp $
	11	*
	12	*/
	13
	14	#include <stdio.h>
	15	#include <sys/types.h>
	16	#include <sys/stat.h>
	17	#include <fcntl.h>
	18	#include <unistd.h>
	19
	20	int main(int argc, char *argv[])
	21	{
	22	/* Prog takes one argument. A device to run on (like a getty) */
	23	if (argc >= 2)
	24	{
	25	int fd;
	26
	27	if ((fd = open(argv[1], O_RDWR)) == -1)
	28	{
	29	printf("Couldn't open device\n");
	30	return 0;
	31	}
	32	dup2(fd, 0);
	33	dup2(fd, 1);
	34	dup2(fd, 2);
	35	/* Now its sending/reading on that device. */
	36	}
	37
	38	if (argc >= 3)
	39	execvp(argv[2], &argv[2]);
	40	else
	41	printf("No command\n");
	42
	43	return 0;
	44	}