Don't output on stderr by default

diff --git a/src/odhcp6c.c b/src/odhcp6c.c
index f4f83f1efb846cbb2250c0827763b144d5ad365a..645131252a2f9f10c0e19aa136dac61bb6a62855 100644 (file)
--- a/src/odhcp6c.c
+++ b/src/odhcp6c.c
@@ -46,8 +46,6 @@ static bool bound = false, allow_slaac_only = true, release = true;
 
 int main(_unused int argc, char* const argv[])
 {
-       openlog("odhcp6c", LOG_PERROR | LOG_PID, LOG_DAEMON);
-
        // Allocate ressources
        const char *pidfile = NULL;
        const char *script = "/usr/sbin/odhcp6c-update";
@@ -58,8 +56,9 @@ int main(_unused int argc, char* const argv[])
        enum odhcp6c_ia_mode ia_na_mode = IA_MODE_TRY;
 
        bool help = false, daemonize = false;
+       int logopt = LOG_PID;
        int c, request_pd = 0;
-       while ((c = getopt(argc, argv, "SN:P:c:r:s:khdp:")) != -1) {
+       while ((c = getopt(argc, argv, "SN:P:c:r:s:khedp:")) != -1) {
                switch (c) {
                case 'S':
                        allow_slaac_only = false;
@@ -116,6 +115,10 @@ int main(_unused int argc, char* const argv[])
                        release = false;
                        break;
 
+               case 'e':
+                       logopt |= LOG_PERROR;
+                       break;
+
                case 'd':
                        daemonize = true;
                        break;
@@ -130,6 +133,7 @@ int main(_unused int argc, char* const argv[])
                }
        }
 
+       openlog("odhcp6c", logopt, LOG_DAEMON);
        const char *ifname = argv[optind];
 
        if (help || !ifname)
@@ -313,6 +317,7 @@ static int usage(void)
        "\nInvocation options:\n"
        "       -p <pidfile>    Set pidfile (/var/run/6relayd.pid)\n"
        "       -d              Daemonize\n"
+       "       -e              Write logmessages to stderr\n"
        //"     -v              Increase logging verbosity\n"
        "       -h              Show this help\n\n";
        write(STDERR_FILENO, buf, sizeof(buf));