From a518ded266259141edd278e3f4025a3ab3211215 Mon Sep 17 00:00:00 2001
From: Robert Schumacher <roschuma@microsoft.com>
Date: Thu, 5 Oct 2017 14:36:29 -0700
Subject: [vcpkg] Check size and don't perform stripping if string is too
 small.

---
 toolsrc/src/vcpkg_System.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'toolsrc/src/vcpkg_System.cpp')

diff --git a/toolsrc/src/vcpkg_System.cpp b/toolsrc/src/vcpkg_System.cpp
index 4d2e88b73..7a6e7f028 100644
--- a/toolsrc/src/vcpkg_System.cpp
+++ b/toolsrc/src/vcpkg_System.cpp
@@ -179,6 +179,7 @@ namespace vcpkg::System
     // On Win7, output from powershell calls contain a byte order mark, so we strip it out if it is present
     static void remove_byte_order_mark(std::wstring* s)
     {
+        if (s->size() < 3) return;
         const wchar_t* a = s->c_str();
         // This is the UTF-8 byte-order mark
         if (a[0] == 0xEF && a[1] == 0xBB && a[2] == 0xBF)
-- 
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