[src/trunk]: src/crypto/dist/ipsec-tools/src/libipsec libipsec: fix undefined...

[rillig <rillig%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/7d1c8d7d2609
branches:  trunk
changeset: 1023414:7d1c8d7d2609
user:      rillig <rillig%NetBSD.org@localhost>
date:      Mon Sep 06 17:19:52 2021 +0000

description:
libipsec: fix undefined behavior when calling isprint

diffstat:

 crypto/dist/ipsec-tools/src/libipsec/key_debug.c |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (18 lines):

diff -r 71cf34bf43b8 -r 7d1c8d7d2609 crypto/dist/ipsec-tools/src/libipsec/key_debug.c
--- a/crypto/dist/ipsec-tools/src/libipsec/key_debug.c  Mon Sep 06 15:17:25 2021 +0000
+++ b/crypto/dist/ipsec-tools/src/libipsec/key_debug.c  Mon Sep 06 17:19:52 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: key_debug.c,v 1.15 2020/06/05 15:19:08 christos Exp $  */
+/*     $NetBSD: key_debug.c,v 1.16 2021/09/06 17:19:52 rillig Exp $    */
 
 /*     $KAME: key_debug.c,v 1.29 2001/08/16 14:25:41 itojun Exp $      */
 
@@ -299,7 +299,7 @@
                        p = (void *)(id + 1);
                        ep = p + len;
                        for (/*nothing*/; *p && p < ep; p++) {
-                               if (isprint((int)*p))
+                               if (isprint((unsigned char)*p))
                                        printf("%c", *p & 0xff);
                                else
                                        printf("\\%03o", *p & 0xff);