+#define MIN_WIDE 80
+#define MIN_HIGH 24
+
+/*
+ * In "normal" mode, reset the buffer- and window-sizes back to their original values.
+ */
+static void
+set_scrollback(bool normal, CONSOLE_SCREEN_BUFFER_INFO * info)
+{
+ SMALL_RECT rect;
+ COORD coord;
+ bool changed = FALSE;
+
+ T((T_CALLED("win32con::set_scrollback(%s)"),
+ (normal
+ ? "normal"
+ : "application")));
+
+ T(("... SBI.srWindow %d,%d .. %d,%d",
+ info->srWindow.Top,
+ info->srWindow.Left,
+ info->srWindow.Bottom,
+ info->srWindow.Right));
+ T(("... SBI.dwSize %dx%d",
+ info->dwSize.Y,
+ info->dwSize.X));
+
+ if (normal) {
+ rect = info->srWindow;
+ coord = info->dwSize;
+ if (memcmp(info, &CON.SBI, sizeof(*info)) != 0) {
+ changed = TRUE;
+ CON.SBI = *info;
+ }
+ } else {
+ int high = info->srWindow.Bottom - info->srWindow.Top + 1;
+ int wide = info->srWindow.Right - info->srWindow.Left + 1;
+
+ if (high < MIN_HIGH) {
+ T(("... height %d < %d", high, MIN_HIGH));
+ high = MIN_HIGH;
+ changed = TRUE;
+ }
+ if (wide < MIN_WIDE) {
+ T(("... width %d < %d", wide, MIN_WIDE));
+ wide = MIN_WIDE;
+ changed = TRUE;
+ }
+
+ rect.Left =
+ rect.Top = 0;
+ rect.Right = (SHORT) (wide - 1);
+ rect.Bottom = (SHORT) (high - 1);
+
+ coord.X = (SHORT) wide;
+ coord.Y = (SHORT) high;
+
+ if (info->dwSize.Y != high ||
+ info->dwSize.X != wide ||
+ info->srWindow.Top != 0 ||
+ info->srWindow.Left != 0) {
+ changed = TRUE;
+ }
+
+ }
+
+ if (changed) {
+ T(("... coord %d,%d", coord.Y, coord.X));
+ T(("... rect %d,%d - %d,%d",
+ rect.Top, rect.Left,
+ rect.Bottom, rect.Right));
+ SetConsoleScreenBufferSize(CON.hdl, coord); /* dwSize */
+ SetConsoleWindowInfo(CON.hdl, TRUE, &rect); /* srWindow */
+ get_SBI();
+ }
+ returnVoid;
+}
+