src/utils_search.[ch]: Implement "search_has_selector".

diff --git a/src/utils_search.c b/src/utils_search.c
index e2a89f3..aa157e6 100644 (file)
--- a/src/utils_search.c
+++ b/src/utils_search.c
@@ -234,6 +234,19 @@ void search_destroy (search_info_t *si) /* {{{ */
   array_destroy (si->terms);
 } /* }}} void search_destroy */
 
+_Bool search_has_selector (search_info_t *si) /* {{{ */
+{
+  if (si == NULL)
+    return (0);
+
+  if ((si->host != NULL)
+      || (si->plugin != NULL) || (si->plugin_instance != NULL)
+      || (si->type != NULL) || (si->type_instance != NULL))
+    return (1);
+
+  return (0);
+} /* }}} _Bool search_has_selector */
+
 graph_ident_t *search_to_ident (search_info_t *si) /* {{{ */
 {
   if (si == NULL)

diff --git a/src/utils_search.h b/src/utils_search.h
index 5e3e2b8..746edcc 100644 (file)
--- a/src/utils_search.h
+++ b/src/utils_search.h
@@ -32,6 +32,11 @@ typedef struct search_info_s search_info_t;
 search_info_t *search_parse (const char *search);
 void search_destroy (search_info_t *si);
 
+/* Returns true if at least one of the ident fields is defined (not a
+ * wildcard), false otherwise. If no field has been specified, searching is a
+ * lot easier. */
+_Bool search_has_selector (search_info_t *si);
+
 graph_ident_t *search_to_ident (search_info_t *si);
 
 _Bool search_graph_title_matches (search_info_t *si, const char *title);