perl 3.0 patch #20 patch #19, continued

See patch #19.

1 files changed, 33 insertions, 0 deletions

diff --git a/h2pl/cbreak2.pl b/h2pl/cbreak2.pl
new file mode 100644
index 0000000000..8ac55a3497
--- /dev/null
+++ b/h2pl/cbreak2.pl
@@ -0,0 +1,33 @@
+$sgttyb_t   = 'C4 S';
+
+sub cbreak {
+    &set_cbreak(1);
+}
+
+sub cooked {
+    &set_cbreak(0);
+}
+
+sub set_cbreak {
+    local($on) = @_;
+
+    require 'sys/ioctl.pl';
+
+    ioctl(STDIN,$TIOCGETP,$sgttyb)
+        || die "Can't ioctl TIOCGETP: $!";
+
+    @ary = unpack($sgttyb_t,$sgttyb);
+    if ($on) {
+        $ary[4] |= $CBREAK;
+        $ary[4] &= ~$ECHO;
+    } else {
+        $ary[4] &= ~$CBREAK;
+        $ary[4] |= $ECHO;
+    }
+    $sgttyb = pack($sgttyb_t,@ary);
+    ioctl(STDIN,$TIOCSETP,$sgttyb)
+            || die "Can't ioctl TIOCSETP: $!";
+
+}
+
+1;