lib-master: Ensure master_getopt*() functions do not return 0

diff --git a/src/lib-master/master-service.c b/src/lib-master/master-service.c
index b88a965618f7b12da3ffa6faf109a0b41c3adf65..02ea9ab9655732815a30f2e6f02cad1865ab59ba 100644 (file)
--- a/src/lib-master/master-service.c
+++ b/src/lib-master/master-service.c
@@ -646,6 +646,7 @@ int master_getopt(struct master_service *service)
                if (!master_service_parse_option(service, c, optarg))
                        break;
        }
+       i_assert(c != 0);
        return c;
 }
 
@@ -667,6 +668,8 @@ master_getopt_long(struct master_service *service, const char **longopt_r)
        }
        if (longopt_idx >= 0)
                *longopt_r = service->longopts[longopt_idx].name;
+       else
+               i_assert(c != 0);
        return c;
 }