utils_dns.c: fix strange linebreak

[collectd.git] / src / collectdctl.c

diff --git a/src/collectdctl.c b/src/collectdctl.c
index febc998..18b3917 100644 (file)
--- a/src/collectdctl.c
+++ b/src/collectdctl.c
@@ -72,6 +72,7 @@
 extern char *optarg;
 extern int   optind;
 
+__attribute__((noreturn))
 static void exit_usage (const char *name, int status) {
   fprintf ((status == 0) ? stdout : stderr,
       "Usage: %s [options] <command> [cmd options]\n\n"
@@ -482,7 +483,7 @@ static int putval (lcc_connection_t *c, int argc, char **argv)
 
       values_len = 0;
       value = tmp;
-      while (value != 0) {
+      while (value != NULL) {
         char *dot, *endptr;
 
         tmp = strchr (value, (int)':');
@@ -565,7 +566,6 @@ int main (int argc, char **argv) {
         break;
       case 'h':
         exit_usage (argv[0], 0);
-        break;
       default:
         exit_usage (argv[0], 1);
     }