Initial commit

1 files changed, 20 insertions, 0 deletions

diff --git a/src/terminal.cc b/src/terminal.cc
new file mode 100644
index 0000000..fd7bf98
--- /dev/null
+++ b/src/terminal.cc
@@ -0,0 +1,20 @@
+// -*- mode: c++; c-basic-offset: 2; -*-
+
+#include "common.hh"
+
+#include <cstring>
+#include <sys/ioctl.h>
+#include <unistd.h>
+
+#include "terminal.hh"
+
+// static
+Terminal::Size Terminal::size() {
+  struct winsize size;
+  memset(&size, 0, sizeof(size));
+  ioctl(STDOUT_FILENO, TIOCGWINSZ, &size);
+  if (size.ws_col == 0 || size.ws_row == 0) {
+    return { .width = 80, .height = 25 };
+  }
+  return { .width = size.ws_col, .height = size.ws_row };
+}