commit 8de6525a7eaef45aa9360df68e7acc69c323e16d
from: Omar Polo <op@omarpolo.com>
date: Sat Mar 04 16:34:18 2023 UTC

cast to unsigned char tolower(3) arg

commit - 2dfbb886b40dc72c7b5250241874bd9db9ebca8a
commit + 8de6525a7eaef45aa9360df68e7acc69c323e16d
blob - e9aa9f809227fc3f46a696c08901a1ab409f452f
blob + 7e6cde0b181cef5de5405c1824da40d76a59a41f
--- lib/tokenize.c
+++ lib/tokenize.c
@@ -37,7 +37,7 @@ tokenize(const char *s)
 	d = dup;
 
 	for (t = d; *t; ++t)
-		*t = tolower(*t);
+		*t = tolower((unsigned char)*t);
 
 	while ((t = strsep(&d, WDELIMS)) != NULL) {
 		if (*t == '\0')