--- /dev/null
+diff -urpN busybox-1.12.1/coreutils/basename.c busybox-1.12.1-basename/coreutils/basename.c
+--- busybox-1.12.1/coreutils/basename.c 2008-09-28 20:04:18.000000000 +0200
++++ busybox-1.12.1-basename/coreutils/basename.c 2008-11-06 16:10:54.000000000 +0100
+@@ -48,5 +48,5 @@ int basename_main(int argc, char **argv)
+
+ /* puts(s) will do, but we can do without stdio this way: */
+ s[m++] = '\n';
+- return full_write(STDOUT_FILENO, s, m) == (ssize_t)m;
++ return full_write(STDOUT_FILENO, s, m) != (ssize_t)m;
+ }