From: NAKAMURA Takumi <geek4civic@gmail.com>
Date: Mon, 7 Oct 2013 15:33:30 +0000 (+0000)
Subject: Windows/Process.inc: Fix for +Asserts. &Buf[0] is not guaranteed if size is zero.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=e11f460ee03dc80c977de97bdaabc6cc5e692fd9;p=oota-llvm.git

Windows/Process.inc: Fix for +Asserts. &Buf[0] is not guaranteed if size is zero.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192103 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Support/Windows/Process.inc b/lib/Support/Windows/Process.inc
index 4d801492e83..50a204fe5fa 100644
--- a/lib/Support/Windows/Process.inc
+++ b/lib/Support/Windows/Process.inc
@@ -161,7 +161,7 @@ Optional<std::string> Process::GetEnv(StringRef Name) {
   SmallVector<wchar_t, MAX_PATH> Buf;
   size_t Size = MAX_PATH;
   do {
-    Buf.reserve(Size);
+    Buf.resize(Size);
     Size = GetEnvironmentVariableW(&NameUTF16[0], &Buf[0], Buf.capacity());
     if (Size == 0)
       return None;