From bdc8608705cfa91eeb5eaae2e4d11ebaecd6aa62 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue, 27 Jun 2023 09:58:47 -0700
Subject: [PATCH] diff: tweak mbrtoc32 use

* src/side.c (print_half_line): Use more-intuitive
way to test whether mbrtoc32 found a non-null character.
---
 src/side.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/side.c b/src/side.c
index 424d933..2f566f8 100644
--- a/src/side.c
+++ b/src/side.c
@@ -138,7 +138,7 @@ print_half_line (char const *const *line, intmax_t indent, intmax_t out_bound)
             char32_t wc;
             size_t bytes = mbrtoc32 (&wc, tp0, text_limit - tp0, &mbstate);
 
-            if (0 < bytes && bytes < (size_t) -2)
+            if (0 < bytes && bytes <= MB_LEN_MAX)
               {
                 int width = c32width (wc);
                 if (0 < width)