*/
#include "internal.h"
#include <stdlib.h>
+#include <stdio.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/ioctl.h>
-#include <linux/vt.h>
-#include <stdio.h>
-extern int getfd(void);
-char *progname;
+/* From <linux/vt.h> */
+#define VT_DISALLOCATE 0x5608 /* free memory associated to vt */
+
int deallocvt_main(int argc, char *argv[])
{
if ((argc != 2) || (**(argv + 1) == '-')) {
usage
- ("deallocvt N\n\nDeallocate unused virtual terminal /dev/ttyN\n");
+ ("deallocvt N\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+ "\nDeallocate unused virtual terminal /dev/ttyN\n"
+#endif
+ );
}
- progname = argv[0];
-
fd = get_console_fd("/dev/console");
if (argc == 1) {
/* deallocate all unused consoles */
if (ioctl(fd, VT_DISALLOCATE, 0)) {
perror("VT_DISALLOCATE");
- exit(1);
+ exit( FALSE);
}
} else
for (i = 1; i < argc; i++) {
num = atoi(argv[i]);
if (num == 0)
- fprintf(stderr, "%s: 0: illegal VT number\n", progname);
+ fprintf(stderr, "%s: 0: illegal VT number\n", applet_name);
else if (num == 1)
fprintf(stderr, "%s: VT 1 cannot be deallocated\n",
- progname);
+ applet_name);
else if (ioctl(fd, VT_DISALLOCATE, num)) {
perror("VT_DISALLOCATE");
fprintf(stderr, "%s: could not deallocate console %d\n",
- progname, num);
- exit(1);
+ applet_name, num);
+ exit( FALSE);
}
}
- exit(0);
+ return( TRUE);
}