From 5770468740137979211b32cd11c9c1ed37ad8c01 Mon Sep 17 00:00:00 2001
From: Brent Westbrook <brentrwestbrook@gmail.com>
Date: Sat, 23 Nov 2024 13:56:54 -0500
Subject: [PATCH] convert to i32 first to avoid underflow

despite h and usedfont->h being unsigned, C allows the result to be negative

I only caught this by running the debug build in xephyr, in release I guess
something reasonable was happening automatically (probably the same as C)
---
 src/drw.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/drw.rs b/src/drw.rs
index bdd2697..fafb2da 100644
--- a/src/drw.rs
+++ b/src/drw.rs
@@ -569,7 +569,7 @@ pub(crate) fn text(
             if utf8strlen != 0 {
                 if render != 0 {
                     ty = y
-                        + (h - (*usedfont).h) as i32 / 2
+                        + (h as i32 - (*usedfont).h as i32) / 2
                         + (*(*usedfont).xfont).ascent;
                     log::trace!("text: XftDrawStringUtf8");
                     xft::XftDrawStringUtf8(