1 files changed, 47 insertions, 0 deletions

diff --git a/deallocvt.c b/deallocvt.c
new file mode 100644
index 000000000..a8feeb53c
--- /dev/null
+++ b/deallocvt.c
@@ -0,0 +1,47 @@
+/*
+ * disalloc.c - aeb - 940501 - Disallocate virtual terminal(s)
+ * Renamed deallocvt.
+ */
+#include <stdlib.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;
+
+int
+deallocvt_main(int argc, char *argv[]) {
+    int fd, num, i;
+
+    if (argc < 1)               /* unlikely */
+      exit(1);
+    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);
+        }
+    } else
+    for (i = 1; i < argc; i++) {
+        num = atoi(argv[i]);
+        if (num == 0)
+            fprintf(stderr, "%s: 0: illegal VT number\n", progname);
+        else if (num == 1)
+            fprintf(stderr, "%s: VT 1 cannot be deallocated\n", progname);
+        else
+        if (ioctl(fd,VT_DISALLOCATE,num)) {
+            perror("VT_DISALLOCATE");
+            fprintf(stderr, "%s: could not deallocate console %d\n",
+                    progname, num);
+            exit(1);
+        }
+    }
+    exit(0);
+}