Merge branch 'PHP-7.1'

* PHP-7.1:
  Fixed bug #74923 Crash when crawling through network share

diff --cc win32/ioutil.h
index 9987744626642afcc5793ec862296a2edaddcf22,9aac1c435a9b4788d00f1218825e0182cf546f50..120d69213dd2543496b549b307db88707729a4ef
--- 1/win32/ioutil.h
--- 2/win32/ioutil.h
+++ b/win32/ioutil.h
@@@ -112,10 -112,12 +112,14 @@@ typedef enum 
  
  #define PHP_WIN32_IOUTIL_IS_LONG_PATHW(pathw, path_lenw) (path_lenw >= PHP_WIN32_IOUTIL_LONG_PATH_PREFIX_LENW \
        && 0 == wcsncmp((pathw), PHP_WIN32_IOUTIL_LONG_PATH_PREFIXW, PHP_WIN32_IOUTIL_LONG_PATH_PREFIX_LENW))
+ #define PHP_WIN32_IOUTIL_IS_UNC_PATHW(pathw, path_lenw) (path_lenw >= PHP_WIN32_IOUTIL_UNC_PATH_PREFIX_LENW \
+       && 0 == wcsncmp((pathw), PHP_WIN32_IOUTIL_UNC_PATH_PREFIXW, PHP_WIN32_IOUTIL_UNC_PATH_PREFIX_LENW))
+ #define PHP_WIN32_IOUTIL_IS_JUNCTION_PATHW(pathw, path_lenw) (path_lenw >= PHP_WIN32_IOUTIL_JUNCTION_PREFIX_LENW \
+       && 0 == wcsncmp((pathw), PHP_WIN32_IOUTIL_JUNCTION_PREFIXW, PHP_WIN32_IOUTIL_JUNCTION_PREFIX_LENW))
  #define PHP_WIN32_IOUTIL_IS_ABSOLUTEW(pathw, path_lenw) (PHP_WIN32_IOUTIL_IS_LONG_PATHW(pathw, path_lenw) \
        || path_lenw >= 3 && PHP_WIN32_IOUTIL_IS_LETTERW(pathw[0]) && L':' == pathw[1] && IS_SLASHW(pathw[2]))
 +#define PHP_WIN32_IOUTIL_IS_UNC(pathw, path_lenw) (path_lenw >= 2 && PHP_WIN32_IOUTIL_IS_SLASHW(pathw[0]) && PHP_WIN32_IOUTIL_IS_SLASHW(pathw[1]) \
 +      || path_lenw >= PHP_WIN32_IOUTIL_UNC_PATH_PREFIX_LENW && 0 == wcsncmp((pathw), PHP_WIN32_IOUTIL_UNC_PATH_PREFIXW, PHP_WIN32_IOUTIL_UNC_PATH_PREFIX_LENW))
  
  #define PHP_WIN32_IOUTIL_INIT_W(path) \
        wchar_t *pathw = php_win32_ioutil_any_to_w(path); \