From 0f2bcfabb37a380c0e19927f54b51eb99fe14d66 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Wed, 29 Nov 2017 08:30:34 +0530
Subject: [PATCH] Sanity check when moving baseline for line height adjustment

---
 kitty/fonts.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kitty/fonts.c b/kitty/fonts.c
index d56e6f21f..6e2fb06f0 100644
--- a/kitty/fonts.c
+++ b/kitty/fonts.c
@@ -291,8 +291,8 @@ update_cell_metrics() {
     if (cell_height > 1000) { PyErr_SetString(PyExc_ValueError, "line height too large after adjustment"); return NULL; }
     underline_position = MIN(cell_height - 1, underline_position);
     if (line_height_adjustment > 1) {
-        baseline += line_height_adjustment / 2;
-        underline_position += line_height_adjustment / 2;
+        baseline += MIN(cell_height - 1, (unsigned)line_height_adjustment / 2);
+        underline_position += MIN(cell_height - 1, (unsigned)line_height_adjustment / 2);
     }
     sprite_tracker_set_layout(cell_width, cell_height);
     global_state.cell_width = cell_width; global_state.cell_height = cell_height;