A couple of patches from Tito <farmatito@tiscali.it>

git-svn-id: svn://busybox.net/trunk/busybox@6823 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 20 insertions, 17 deletions

diff --git a/console-tools/deallocvt.c b/console-tools/deallocvt.c
index a4ba851c8..f641be8d7 100644
--- a/console-tools/deallocvt.c
+++ b/console-tools/deallocvt.c
@@ -15,29 +15,32 @@ static const int VT_DISALLOCATE = 0x5608;  /* free memory associated to vt */
 
 int deallocvt_main(int argc, char *argv[])
 {
-        int fd, num, i;
+        int fd, num=0;
 
-        //if ((argc > 2) || ((argv == 2) && (**(argv + 1) == '-')))
         if (argc > 2)
                 bb_show_usage();
 
         fd = get_console_fd();
+        
+        /*  num=0  deallocate all unused consoles */
+        if (argc == 1)
+                goto disallocate_all;
 
-        if (argc == 1) {
-                /* deallocate all unused consoles */
-                if (ioctl(fd, VT_DISALLOCATE, 0))
-                        bb_perror_msg_and_die("VT_DISALLOCATE");
-        } else {
-                for (i = 1; i < argc; i++) {
-                        num = atoi(argv[i]);
-                        if (num == 0)
-                                bb_error_msg("0: illegal VT number");
-                        else if (num == 1)
-                                bb_error_msg("VT 1 cannot be deallocated");
-                        else if (ioctl(fd, VT_DISALLOCATE, num))
+        num=bb_xgetlarg(argv[1], 10, 0, INT_MAX);
+
+        switch(num)
+        {
+                case 0:
+                        bb_error_msg("0: illegal VT number");
+                        break;
+                case 1:
+                        bb_error_msg("VT 1 cannot be deallocated");
+                        break;
+                default:
+disallocate_all:
+                        if (ioctl(fd, VT_DISALLOCATE, num))
                                 bb_perror_msg_and_die("VT_DISALLOCATE");
-                }
+                        return EXIT_SUCCESS;
         }
-
-        return EXIT_SUCCESS;
+        return EXIT_FAILURE;
 }