From 247d0c106cc3c32caef42a555948bb0b8cd32ff6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Franti=C5=A1ek=20Boh=C3=A1=C4=8Dek?=
 <fandabohacek@gmail.com>
Date: Sun, 27 Jun 2021 23:23:07 +0200
Subject: [PATCH] fix: floating point exception

---
 text-viewer/src/text_viewer.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/text-viewer/src/text_viewer.c b/text-viewer/src/text_viewer.c
index d932c64..f6b701d 100644
--- a/text-viewer/src/text_viewer.c
+++ b/text-viewer/src/text_viewer.c
@@ -209,6 +209,9 @@ static void command_handler_zoom_in(void *state, int amount) {
 
   amount = amount > 1 ? 1 : -1;
   text->font->size += amount;
+  if (text->font->size == 0) {
+    text->font->size = 1;
+  }
 
   component->y += amount * (component->y / (old_size + text->font->line_spacing));
 }
-- 
2.48.1