--- /dev/null
+--- a/coreutils/basename.c
++++ b/coreutils/basename.c
+@@ -48,5 +48,5 @@
+
+ /* 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;
+ }