1 files changed, 47 insertions, 0 deletions
diff --git a/console-tools/deallocvt.c b/console-tools/deallocvt.c
new file mode 100644
index 0000000..a8feeb5
--- /dev/null
+++ b/console-tools/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);
+}