--- ./main.c.orig	2006-08-12 13:31:44 +0700
+++ ./main.c	2006-08-12 13:32:10 +0700
@@ -69,7 +69,7 @@
   }
 
   if(snprintf(mySettings.datafile, sizeof(mySettings.datafile), "%s/.wmbday/data", user->pw_dir) > sizeof(mySettings.datafile)) {
-    fprintf(stderr, "Path to datafile exceeded buffer size of %d chars\n", sizeof(mySettings.datafile));
+    fprintf(stderr, "Path to datafile exceeded buffer size of %zu chars\n", sizeof(mySettings.datafile));
     exit(1);
   }
   return;
@@ -176,7 +176,7 @@
       case 'f': /* data-file */
         if(optarg) {
           if(snprintf(mySettings.datafile, sizeof(mySettings.datafile), "%s", optarg) > sizeof(mySettings.datafile)) {
-            fprintf(stderr, "Path to datafile exceeded buffer size of %d chars\n", sizeof(mySettings.datafile));
+            fprintf(stderr, "Path to datafile exceeded buffer size of %zu chars\n", sizeof(mySettings.datafile));
             exit(1);
           }