--- php-8.0.6/ext/standard/php_fopen_wrapper.c	2021-05-04 19:26:18.000000000 +0200
+++ php-8.0.6-patched/ext/standard/php_fopen_wrapper.c	2021-06-04 01:04:07.104126109 +0200
@@ -317,7 +317,7 @@
 			return NULL;
 		}
 
-#if HAVE_UNISTD_H
+#if !HAVE_UNISTD_H
 		dtablesize = getdtablesize();
 #else
 		dtablesize = INT_MAX;