cache.h: hex2chr() - avoid -Wsign-compare warnings

Signed-off-by: Ramsay Jones <ramsay@ramsayjones.plus.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Ramsay Jones committed Sep 21, 2017 at 17:48 UTC 356a293f39e101326b274e968552a7379735e230
1 file changed +2 -2
cache.h
+2 -2
@@ -1264,8 +1264,8 @@ static inline unsigned int hexval(unsigned char c)
1264 */
1265 static inline int hex2chr(const char *s)
1266 {
1267 - int val = hexval(s[0]);
1268 - return (val < 0) ? val : (val << 4) | hexval(s[1]);
1267 + unsigned int val = hexval(s[0]);
1268 + return (val & ~0xf) ? val : (val << 4) | hexval(s[1]);
1269 }
1270
1271 /* Convert to/from hex/sha1 representation */