Make static analysis happy about the length of patternBuf

Summary: The static analysis doesn't quite understand that we are assigning a NUL to, at most, `patternBuf[MAX_PATH + 1]` so increase the buffer size slightly to make it happy.

Reviewed By: yfeldblum

Differential Revision: D3571923

fbshipit-source-id: c027e2b253dc3e56d13e9a15a0e960a6aa3a0e6c

diff --git a/folly/portability/Dirent.cpp b/folly/portability/Dirent.cpp
index 5c75a2003a4a13509593e94d4de546a976d57ff8..5c01eb829955435063c42cadd84ae75d5408e851 100755 (executable)
--- a/folly/portability/Dirent.cpp
+++ b/folly/portability/Dirent.cpp
@@ -34,7 +34,7 @@ struct DIR {
   }
 
   DIR* open() {
-    wchar_t patternBuf[MAX_PATH + 2];
+    wchar_t patternBuf[MAX_PATH + 3];
     size_t len;
 
     if (mbstowcs_s(&len, patternBuf, MAX_PATH, pattern.c_str(), MAX_PATH - 2)) {