From 3aa7b7b46438dcb7bf074e1dc7a9ec4924df3de7 Mon Sep 17 00:00:00 2001
From: Bryce Kwon <bryce@brycekwon.com>
Date: Wed, 15 Jul 2026 13:20:41 -1000
Subject: Cast signed chars before ctype calls

A plain char is undefined in the ctype functions for negative values,
which a high byte produces wherever char is signed.
---
 source/ui-log.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'source/ui-log.c')

diff --git a/source/ui-log.c b/source/ui-log.c
index 9906bbc..d3610d3 100644
--- a/source/ui-log.c
+++ b/source/ui-log.c
@@ -350,13 +350,13 @@ static char *next_token(char **src)
 
 	if (!src || !*src)
 		return NULL;
-	while (isspace(**src))
+	while (isspace((unsigned char)**src))
 		(*src)++;
 	if (!**src)
 		return NULL;
 	result = *src;
 	while (**src) {
-		if (isspace(**src)) {
+		if (isspace((unsigned char)**src)) {
 			**src = '\0';
 			(*src)++;
 			break;
-- 
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