Optionally print debug to stdout

ttynvt.c

@@ -45,6 +45,7 @@ static struct ttynvt_param {
     const char     *dev_name;
     char           *server;
     unsigned int    debug;
+    int             logstd;
     /* Derived */
     char            host[64];
     unsigned int    port;
@@ -86,12 +87,13 @@ _PRF2_ static void _log(int prio, const char *fmt, ...)
     char            buf[256];
 
     va_start(arg, fmt);
-#if 0
-    vsyslog(prio, fmt, arg);
-#else
     vsnprintf(buf, sizeof(buf), fmt, arg);
-    syslog(prio, "[%d] %s", gettid(), buf);
-#endif
+
+    if (ttynvt_param.logstd)
+        printf("[%d] %d: %s", gettid(), prio, buf);
+    else
+        syslog(prio, "[%d] %s", gettid(), buf);
+
     va_end(arg);
 }
 
@@ -921,6 +923,7 @@ static const struct cuse_lowlevel_ops ttynvt_op = {
 
 static const struct fuse_opt ttynvt_opts[] = {
     TTYNET_OPT("-D %d", debug, 1),
+    TTYNET_OPT("-E", logstd, 1),
     TTYNET_OPT("-M %u", major, 1),
     TTYNET_OPT("--maj=%u", major, 1),
     TTYNET_OPT("-m %u", minor, 1),
@@ -938,6 +941,7 @@ static void print_help(void)
 {
     fprintf(stderr, "ttynvt Usage:\n"
             "\t-D level\tEnable debug\n"
+            "\t-E\t\tPrint debug to stdout (default is syslog)\n"
             "\t-M major, --maj=major\n"
             "\t-m minor, --min=minor\n"
             "\t-n name, --name=name (default: ttyNVT0)\n"