procd: add an option to log to stdout

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

diff --git a/procd.c b/procd.c
index e41d98a6a43a6aa8d3b0124f6ed11c9d49fbf1d9..a7ac6c18af999520370a19b54c7e1680e305b7b2 100644 (file)
--- a/procd.c
+++ b/procd.c
@@ -29,11 +29,12 @@ unsigned int debug;
 
 static int usage(const char *prog)
 {
-       ERROR("Usage: %s [options]\n"
+       fprintf(stderr, "Usage: %s [options]\n"
                "Options:\n"
-               "\t-s <path>\tPath to ubus socket\n"
-               "\t-h <path>\trun as hotplug daemon\n"
-               "\t-d <level>\tEnable debug messages\n"
+               "       -s <path>       Path to ubus socket\n"
+               "       -h <path>       run as hotplug daemon\n"
+               "       -d <level>      Enable debug messages\n"
+               "       -S              Print messages to stdout\n"
                "\n", prog);
        return 1;
 }
@@ -42,15 +43,14 @@ int main(int argc, char **argv)
 {
        int ch;
        char *dbglvl = getenv("DBGLVL");
-
-       ulog_open(ULOG_KMSG, LOG_DAEMON, "procd");
+       int ulog_channels = ULOG_KMSG;
 
        if (dbglvl) {
                debug = atoi(dbglvl);
                unsetenv("DBGLVL");
        }
 
-       while ((ch = getopt(argc, argv, "d:s:h:")) != -1) {
+       while ((ch = getopt(argc, argv, "d:s:h:S")) != -1) {
                switch (ch) {
                case 'h':
                        return hotplug_run(optarg);
@@ -60,10 +60,16 @@ int main(int argc, char **argv)
                case 'd':
                        debug = atoi(optarg);
                        break;
+               case 'S':
+                       ulog_channels = ULOG_STDIO;
+                       break;
                default:
                        return usage(argv[0]);
                }
        }
+
+       ulog_open(ulog_channels, LOG_DAEMON, "procd");
+
        setsid();
        uloop_init();
        procd_signal();