Remove LENGTH macro and replace with glib one

src/dunst.c

@@ -20,8 +20,6 @@
 #include "x11/x.h"
 #include "x11/screen.h"
 
-#define LENGTH(X)               (sizeof X / sizeof X[0])
-
 #ifndef VERSION
 #define VERSION "version info needed"
 #endif

src/dunst.h

@@ -11,7 +11,6 @@
 
 #define ERR(msg) printf("%s : %d\n", (msg), __LINE__)
 #define PERR(msg, errnum) printf("(%d) %s : %s\n", __LINE__, (msg), (strerror(errnum)))
-#define LENGTH(X)               (sizeof X / sizeof X[0])
 
 #define ColLast 3
 #define ColFrame 2

src/settings.c

@@ -598,7 +598,7 @@ void load_settings(char *cmdline_config_path)
         );
 
         /* push hardcoded default rules into rules list */
-        for (int i = 0; i < LENGTH(default_rules); i++) {
+        for (int i = 0; i < G_N_ELEMENTS(default_rules); i++) {
                 rules = g_slist_insert(rules, &(default_rules[i]), -1);
         }