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authorBernhard Reutner-Fischer2006-09-22 08:18:41 +0000
committerBernhard Reutner-Fischer2006-09-22 08:18:41 +0000
commitae843e9cc8984a420b44648d0d1f5166c987a158 (patch)
tree7ef19a74169e184fab135e134d6f21b66bd6f44a /console-tools/resize.c
parente9a7a6212b5881bd29ee5936b492f4d8899df8bb (diff)
downloadbusybox-ae843e9cc8984a420b44648d0d1f5166c987a158.zip
busybox-ae843e9cc8984a420b44648d0d1f5166c987a158.tar.gz
- add new applet resize.
text data bss dec hex filename 185 0 0 185 b9 console-tools/resize.o 255 0 0 255 ff console-tools/resize.o.print
Diffstat (limited to 'console-tools/resize.c')
-rw-r--r--console-tools/resize.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/console-tools/resize.c b/console-tools/resize.c
new file mode 100644
index 0000000..4aaf2f2
--- /dev/null
+++ b/console-tools/resize.c
@@ -0,0 +1,38 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * resize - set terminal width and height.
+ *
+ * Copyright 2006 Bernhard Fischer
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+/* no options, no getopt */
+#include "busybox.h"
+
+int resize_main(int argc, char **argv)
+{
+ struct termios old, new;
+ struct winsize w = {0,0,0,0};
+ int ret;
+
+ tcgetattr(STDOUT_FILENO, &old); /* fiddle echo */
+ new = old;
+ new.c_cflag |= (CLOCAL | CREAD);
+ new.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
+ tcsetattr(STDOUT_FILENO, TCSANOW, &new);
+ /* save_cursor_pos 7
+ * scroll_whole_screen [r
+ * put_cursor_waaaay_off [$x;$yH
+ * get_cursor_pos [6n
+ * restore_cursor_pos 8
+ */
+ printf("\0337\033[r\033[999;999H\033[6n");
+ scanf("\033[%hu;%huR", &w.ws_row, &w.ws_col);
+ ret = ioctl(STDOUT_FILENO, TIOCSWINSZ, &w);
+ printf("\0338");
+ tcsetattr(STDOUT_FILENO, TCSANOW, &old);
+ if (ENABLE_FEATURE_RESIZE_PRINT)
+ printf("COLUMNS=%d;LINES=%d;export COLUMNS LINES;",
+ w.ws_col, w.ws_row);
+ return ret;
+}