* disalloc.c - aeb - 940501 - Disallocate virtual terminal(s)
* Renamed deallocvt.
*/
-#include "busybox.h"
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/ioctl.h>
+#include "busybox.h"
/* From <linux/vt.h> */
-#define VT_DISALLOCATE 0x5608 /* free memory associated to vt */
+static const int VT_DISALLOCATE = 0x5608; /* free memory associated to vt */
int deallocvt_main(int argc, char *argv[])
{
//if ((argc > 2) || ((argv == 2) && (**(argv + 1) == '-')))
if (argc > 2)
- usage(deallocvt_usage);
+ show_usage();
fd = get_console_fd("/dev/console");
if (argc == 1) {
/* deallocate all unused consoles */
- if (ioctl(fd, VT_DISALLOCATE, 0)) {
- perror("VT_DISALLOCATE");
- return EXIT_FAILURE;
- }
+ if (ioctl(fd, VT_DISALLOCATE, 0))
+ perror_msg_and_die("VT_DISALLOCATE");
} else {
for (i = 1; i < argc; i++) {
num = atoi(argv[i]);
if (num == 0)
- error_msg("0: illegal VT number\n");
+ error_msg("0: illegal VT number");
else if (num == 1)
- error_msg("VT 1 cannot be deallocated\n");
- else if (ioctl(fd, VT_DISALLOCATE, num)) {
- perror("VT_DISALLOCATE");
- error_msg_and_die("could not deallocate console %d\n", num);
- }
+ error_msg("VT 1 cannot be deallocated");
+ else if (ioctl(fd, VT_DISALLOCATE, num))
+ perror_msg_and_die("VT_DISALLOCATE");
}
}