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| author |   Jason A. Donenfeld <Jason@zx2c4.com> | 2019-01-31 02:03:10 +0100 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2019-01-31 02:03:10 +0100 |
| commit | 1e58a0525edd39f18c6ebdae3e021a18ed98ba59 (patch) | |
| tree | 7e68503b08041247cdb5475adcafa34a21d6db95 | |
| parent | systemd: wg-quick should depend on nss-lookup.target (diff) | |
| download | wireguard-tools-1e58a0525edd39f18c6ebdae3e021a18ed98ba59.tar.xz wireguard-tools-1e58a0525edd39f18c6ebdae3e021a18ed98ba59.zip | |
highlighter: when subtracting char, cast to unsigned
Windows.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
| -rw-r--r-- | contrib/highlighter/highlighter.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/contrib/highlighter/highlighter.c b/contrib/highlighter/highlighter.c index 171a84c..1913e35 100644 --- a/contrib/highlighter/highlighter.c +++ b/contrib/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; |