From 936973ebcb41e0a491d4cc46a52f703b065967ca Mon Sep 17 00:00:00 2001 From: "Jason A. Donenfeld" Date: Thu, 31 Jan 2019 02:03:10 +0100 Subject: highlighter: when subtracting char, cast to unsigned Windows. --- contrib/examples/highlighter/highlighter.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/contrib/examples/highlighter/highlighter.c b/contrib/examples/highlighter/highlighter.c index 171a84c..1913e35 100644 --- a/contrib/examples/highlighter/highlighter.c +++ b/contrib/examples/highlighter/highlighter.c @@ -166,9 +166,9 @@ static bool is_valid_uint(string_span_t s, bool support_hex, uint64_t min, uint6 if (support_hex && s.len > 2 && s.s[0] == '0' && s.s[1] == 'x') { for (size_t i = 2; i < s.len; ++i) { - if (s.s[i] - '0' < 10) + if ((unsigned)s.s[i] - '0' < 10) val = 16 * val + (s.s[i] - '0'); - else if ((s.s[i] | 32) - 'a' < 6) + else if (((unsigned)s.s[i] | 32) - 'a' < 6) val = 16 * val + (s.s[i] | 32) - 'a' + 10; else return false; -- cgit v1.2.3-59-g8ed1b