syslogd: small shrink

diff --git a/sysklogd/syslogd.c b/sysklogd/syslogd.c
index 0d98351..c713507 100644 (file)
--- a/sysklogd/syslogd.c
+++ b/sysklogd/syslogd.c
@@ -647,10 +647,10 @@ int syslogd_main(int argc, char **argv)
                option_mask32 |= OPT_locallog;
 
        /* Store away localhost's name before the fork */
-       gethostname(G.localHostName, sizeof(G.localHostName));
        /* "It is unspecified whether the truncated hostname
-        * will be null-terminated". Idiots! */
-       G.localHostName[sizeof(G.localHostName) - 1] = '\0';
+        * will be null-terminated". We give it (size - 1),
+        * thus last byte will be NUL no matter what. */
+       gethostname(G.localHostName, sizeof(G.localHostName) - 1);
        *strchrnul(G.localHostName, '.') = '\0';
 
        if (!(option_mask32 & OPT_nofork)) {