diff --git a/sysklogd/syslogd.c b/sysklogd/syslogd.c index dc5e6250a..bed18168c 100644 --- a/sysklogd/syslogd.c +++ b/sysklogd/syslogd.c @@ -649,10 +649,10 @@ int syslogd_main(int argc, char **argv) /* Store away localhost's name before the fork */ gethostname(G.localHostName, sizeof(G.localHostName)); - p = strchr(G.localHostName, '.'); - if (p) { - *p = '\0'; - } + /* "It is unspecified whether the truncated hostname + * will be null-terminated". Idiots! */ + G.localHostName[sizeof(G.localHostName) - 1] = '\0'; + *strchrnul(G.localHostName, '.') = '\0'; if (!(option_mask32 & OPT_nofork)) { bb_daemonize_or_rexec(DAEMON_CHDIR_ROOT, argv);