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$NetBSD: patch-lib_mangle.c,v 1.1 2022/04/02 21:00:54 riastradh Exp $
Fix ctype(3) abuse.
--- lib/mangle.c.orig 2018-06-04 07:57:02.793445882 +0000
+++ lib/mangle.c
@@ -80,9 +80,11 @@ size_t unhexmangle_to_buffer(const char
while(*s && sz < len - 1) {
if (*s == '\\' && sz + 3 < len - 1 && s[1] == 'x' &&
- isxdigit(s[2]) && isxdigit(s[3])) {
+ isxdigit((unsigned char)s[2]) &&
+ isxdigit((unsigned char)s[3])) {
- *buf++ = from_hex(s[2]) << 4 | from_hex(s[3]);
+ *buf++ = from_hex((unsigned char)s[2]) << 4 |
+ from_hex((unsigned char)s[3]);
s += 4;
sz += 4;
} else {
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