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authorEric Andersen1999-10-25 23:32:44 +0000
committerEric Andersen1999-10-25 23:32:44 +0000
commit0460ff2e5d443b485c2f6447c8c2ece1b3bec9c3 (patch)
treed761a790ee864a0a566d29c9d56173763fa04888 /deallocvt.c
parentd143e8f2bd03470e891a5e3ccca5734edd917e73 (diff)
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Diffstat (limited to 'deallocvt.c')
-rw-r--r--deallocvt.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/deallocvt.c b/deallocvt.c
new file mode 100644
index 0000000..a8feeb5
--- /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);
+}