Module Name: src
Committed By: rillig
Date: Sun Jun 16 18:09:45 UTC 2024
Modified Files:
src/games/morse: morse.c
Log Message:
games/morse: fix out-of-bounds memory read
Could be triggered by running 'morse äöü', caused by the typical
<ctype.h> usage mistake.
To generate a diff of this commit:
cvs rdiff -u -r1.21 -r1.22 src/games/morse/morse.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/games/morse/morse.c
diff -u src/games/morse/morse.c:1.21 src/games/morse/morse.c:1.22
--- src/games/morse/morse.c:1.21 Sun Jun 16 18:00:59 2024
+++ src/games/morse/morse.c Sun Jun 16 18:09:45 2024
@@ -1,4 +1,4 @@
-/* $NetBSD: morse.c,v 1.21 2024/06/16 18:00:59 rillig Exp $ */
+/* $NetBSD: morse.c,v 1.22 2024/06/16 18:09:45 rillig Exp $ */
/*
* Copyright (c) 1988, 1993
@@ -39,7 +39,7 @@ __COPYRIGHT("@(#) Copyright (c) 1988, 19
#if 0
static char sccsid[] = "@(#)morse.c 8.1 (Berkeley) 5/31/93";
#else
-__RCSID("$NetBSD: morse.c,v 1.21 2024/06/16 18:00:59 rillig Exp $");
+__RCSID("$NetBSD: morse.c,v 1.22 2024/06/16 18:09:45 rillig Exp $");
#endif
#endif /* not lint */
@@ -188,7 +188,7 @@ main(int argc, char **argv)
if (*argv)
do {
for (p = *argv; *p; ++p)
- morse((int)*p);
+ morse((unsigned char)*p);
show("");
} while (*++argv);
else while ((ch = getchar()) != EOF)
