commit bb95255e08c5d56616f5581118f5babe2c4e6ea6
author Daniel Dunbar <daniel@zuster.org> Sat Oct 04 20:58:18 2008 +0000
committer Daniel Dunbar <daniel@zuster.org> Sat Oct 04 20:58:18 2008 +0000
tree 005da0d850856fa0b982537b1dbc8521aa4c7f82
parent ae3c16cc544d21b49936d9da51fd1f8ca8bc064e

Bug fix, CPATH="" does not add '.' to search path.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57072 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Driver/InitHeaderSearch.cpp

diff --git a/lib/Driver/InitHeaderSearch.cpp b/lib/Driver/InitHeaderSearch.cpp
index 3ebca8e..a2fa826 100644
--- a/lib/Driver/InitHeaderSearch.cpp
+++ b/lib/Driver/InitHeaderSearch.cpp
@@ -81,7 +81,7 @@
 
 void InitHeaderSearch::AddEnvVarPaths(const char *Name) {
   const char* at = getenv(Name);
-  if (!at)
+  if (!at || *at == 0) // Empty string should not add '.' path.
     return;
 
   const char* delim = strchr(at, llvm::sys::PathSeparator);