Merge branch 'PHP-7.1' into PHP-7.2

* PHP-7.1:
  Fixed bug #75679 Path 260 character problem

Author: weltling

ext/standard/tests/file/bug75679.phpt

@@ -0,0 +1,66 @@
+--TEST--
+Bug #75679 Path 260 character problem
+--FILE--
+<?php
+$d = dirname(__FILE__);
+$Files2Report =
+ [
+  str_pad ($d . '/' . str_repeat (str_pad ('bug75679_path_259_characters_long_', 100, '_') . '/', 1), 259, '_') => [],
+  str_pad ($d . '/' . str_repeat (str_pad ('bug75679_path_260_characters_long_', 100, '_') . '/', 1), 260, '_') => [],
+  str_pad ($d . '/' . str_repeat (str_pad ('bug75679_path_261_characters_long_', 100, '_') . '/', 1), 261, '_') => [],
+ ];
+foreach ($Files2Report as $file => &$Report)
+ {
+  $Report = ['strlen' => strlen ($file), 'result' => 'nok'];
+
+  if (! is_dir (dirname ($file))) mkdir (dirname ($file), 0777, true);
+  if (copy (__FILE__, $file) && is_file ($file))
+   {
+    $Report['result'] = 'ok';
+   }
+
+  print_r ($Report);
+ }
+
+
+?>
+==DONE==
+--CLEAN--
+<?php
+$d = dirname(__FILE__);
+$Files2Report =
+ [
+  str_pad ($d . '/' . str_repeat (str_pad ('bug75679_path_259_characters_long_', 100, '_') . '/', 1), 259, '_') => [],
+  str_pad ($d . '/' . str_repeat (str_pad ('bug75679_path_260_characters_long_', 100, '_') . '/', 1), 260, '_') => [],
+  str_pad ($d . '/' . str_repeat (str_pad ('bug75679_path_261_characters_long_', 100, '_') . '/', 1), 261, '_') => [],
+ ];
+foreach ($Files2Report as $file => &$Report)
+{
+	if (is_file($file)) {
+		unlink($file);
+	}
+
+	$d1 = dirname($file);
+	while ($d1 != $d) {
+		rmdir($d1);
+		$d1 = dirname($d1);
+	}
+}
+?>
+--EXPECT--
+Array
+(
+    [strlen] => 259
+    [result] => ok
+)
+Array
+(
+    [strlen] => 260
+    [result] => ok
+)
+Array
+(
+    [strlen] => 261
+    [result] => ok
+)
+==DONE==

win32/ioutil.h

@@ -168,7 +168,7 @@ __forceinline static wchar_t *php_win32_ioutil_conv_any_to_w(const char* in, siz
 	}
 
 	/* Only prefix with long if it's needed. */
-	if (mb_len > _MAX_PATH) {
+	if (mb_len >= _MAX_PATH) {
 		size_t new_mb_len;
 
 		ret = (wchar_t *) malloc((mb_len + PHP_WIN32_IOUTIL_LONG_PATH_PREFIX_LENW + 1) * sizeof(wchar_t));