From 2c716f188112441f81179ac41c76f975a396322c Mon Sep 17 00:00:00 2001
From: mars <mars@tebibyte.media>
Date: Sun, 24 Dec 2023 18:01:15 -0700
Subject: [PATCH] str(1): fixed integer overflow

---
 src/str.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/str.c b/src/str.c
index ea0aa3c..24a0900 100644
--- a/src/str.c
+++ b/src/str.c
@@ -66,7 +66,7 @@ pass:	for(argv += 2, r = 1; *argv != NULL; ++argv)
 			/* First checks if argv[0][i] is valid ASCII; ctypes(3)
 			 * don't handle non-ASCII.
 			 * This is bad. */
-			if(argv[0][i] < 0x80 && !ctypes[ctype].f(argv[0][i]))
+			if((unsigned char)argv[0][i] < 0x80 && !ctypes[ctype].f(argv[0][i]))
 				return 1;
 			else
 				r = 0;