Fix a couple of warnings in test suite

src/utils_vl_lookup_test.c: In function ‘checked_lookup_add’:
src/utils_vl_lookup_test.c:91:3: warning: ‘strncpy’ specified bound 128 equals destination size [-Wstringop-truncation]
   strncpy(ident.host, host, sizeof(ident.host));
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/utils_vl_lookup_test.c:92:3: warning: ‘strncpy’ specified bound 128 equals destination size [-Wstringop-truncation]
   strncpy(ident.plugin, plugin, sizeof(ident.plugin));
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/utils_vl_lookup_test.c:93:3: warning: ‘strncpy’ specified bound 128 equals destination size [-Wstringop-truncation]
   strncpy(ident.plugin_instance, plugin_instance,
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
           sizeof(ident.plugin_instance));
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/utils_vl_lookup_test.c:95:3: warning: ‘strncpy’ specified bound 128 equals destination size [-Wstringop-truncation]
   strncpy(ident.type, type, sizeof(ident.type));
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/utils_vl_lookup_test.c:96:3: warning: ‘strncpy’ specified bound 128 equals destination size [-Wstringop-truncation]
   strncpy(ident.type_instance, type_instance, sizeof(ident.type_instance));
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/utils_vl_lookup_test.c: In function ‘checked_lookup_search’:
src/utils_vl_lookup_test.c:113:3: warning: ‘strncpy’ specified bound 128 equals destination size [-Wstringop-truncation]
   strncpy(vl.host, host, sizeof(vl.host));
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/utils_vl_lookup_test.c:114:3: warning: ‘strncpy’ specified bound 128 equals destination size [-Wstringop-truncation]
   strncpy(vl.plugin, plugin, sizeof(vl.plugin));
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/utils_vl_lookup_test.c:115:3: warning: ‘strncpy’ specified bound 128 equals destination size [-Wstringop-truncation]
   strncpy(vl.plugin_instance, plugin_instance, sizeof(vl.plugin_instance));
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/utils_vl_lookup_test.c:116:3: warning: ‘strncpy’ specified bound 128 equals destination size [-Wstringop-truncation]
   strncpy(vl.type, type, sizeof(vl.type));
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
src/utils_vl_lookup_test.c:117:3: warning: ‘strncpy’ specified bound 128 equals destination size [-Wstringop-truncation]
   strncpy(vl.type_instance, type_instance, sizeof(vl.type_instance));
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  CCLD     test_utils_vl_lookup

diff --git a/src/utils_vl_lookup_test.c b/src/utils_vl_lookup_test.c
index 27bfddf..274ddcd 100644 (file)
--- a/src/utils_vl_lookup_test.c
+++ b/src/utils_vl_lookup_test.c
@@ -85,15 +85,15 @@ static int checked_lookup_add(lookup_t *obj, /* {{{ */
                               char const *plugin_instance, char const *type,
                               char const *type_instance,
                               unsigned int group_by) {
-  lookup_identifier_t ident;
+  lookup_identifier_t ident = {0};
   void *user_class;
 
-  strncpy(ident.host, host, sizeof(ident.host));
-  strncpy(ident.plugin, plugin, sizeof(ident.plugin));
+  strncpy(ident.host, host, sizeof(ident.host) - 1);
+  strncpy(ident.plugin, plugin, sizeof(ident.plugin) - 1);
   strncpy(ident.plugin_instance, plugin_instance,
-          sizeof(ident.plugin_instance));
-  strncpy(ident.type, type, sizeof(ident.type));
-  strncpy(ident.type_instance, type_instance, sizeof(ident.type_instance));
+          sizeof(ident.plugin_instance) - 1);
+  strncpy(ident.type, type, sizeof(ident.type) - 1);
+  strncpy(ident.type_instance, type_instance, sizeof(ident.type_instance) - 1);
 
   user_class = malloc(sizeof(ident));
   memmove(user_class, &ident, sizeof(ident));
@@ -110,11 +110,11 @@ static int checked_lookup_search(lookup_t *obj, char const *host,
   value_list_t vl = VALUE_LIST_INIT;
   data_set_t const *ds = &ds_unknown;
 
-  strncpy(vl.host, host, sizeof(vl.host));
-  strncpy(vl.plugin, plugin, sizeof(vl.plugin));
-  strncpy(vl.plugin_instance, plugin_instance, sizeof(vl.plugin_instance));
-  strncpy(vl.type, type, sizeof(vl.type));
-  strncpy(vl.type_instance, type_instance, sizeof(vl.type_instance));
+  strncpy(vl.host, host, sizeof(vl.host) - 1);
+  strncpy(vl.plugin, plugin, sizeof(vl.plugin) - 1);
+  strncpy(vl.plugin_instance, plugin_instance, sizeof(vl.plugin_instance) - 1);
+  strncpy(vl.type, type, sizeof(vl.type) - 1);
+  strncpy(vl.type_instance, type_instance, sizeof(vl.type_instance) - 1);
 
   if (strcmp(vl.type, "test") == 0)
     ds = &ds_test;