CONTRIB: halog: mark the has_zero* functions unused

These ones will depend on the use of memchr() or not, let's mark them unused
to avoid the warning reported in issue #1013.

diff --git a/contrib/halog/fgets2.c b/contrib/halog/fgets2.c
index 3db762c652925c47d2906c41c79ba65694cb1642..776a91538eb71486d78bf3e4f585dd064d3859f1 100644 (file)
--- a/contrib/halog/fgets2.c
+++ b/contrib/halog/fgets2.c
@@ -35,7 +35,7 @@
 #endif
 
 /* return non-zero if the integer contains at least one zero byte */
-static inline unsigned int has_zero32(unsigned int x)
+static inline __attribute__((unused)) unsigned int has_zero32(unsigned int x)
 {
        unsigned int y;
 
@@ -72,7 +72,7 @@ static inline unsigned int has_zero32(unsigned int x)
 }
 
 /* return non-zero if the argument contains at least one zero byte. See principle above. */
-static inline unsigned long long has_zero64(unsigned long long x)
+static inline __attribute__((unused)) unsigned long long has_zero64(unsigned long long x)
 {
        unsigned long long y;
 
@@ -81,7 +81,7 @@ static inline unsigned long long has_zero64(unsigned long long x)
        return y & 0x8080808080808080ULL;
 }
 
-static inline unsigned long has_zero(unsigned long x)
+static inline __attribute__((unused)) unsigned long has_zero(unsigned long x)
 {
        return (sizeof(x) == 8) ? has_zero64(x) : has_zero32(x);
 }