Do not modify string returned by getenv on Windows.

Fixes PR9875, patch by Nikola Smiljanic! llvm-svn: 135356
2011-07-16 21:17:14 +00:00
parent dc7d3c121b
commit 8e122b9fca
1 changed files with 2 additions and 4 deletions
--- a/clang/lib/Frontend/InitHeaderSearch.cpp
+++ b/clang/lib/Frontend/InitHeaderSearch.cpp
@@ -420,10 +420,8 @@ static bool getVisualStudioDir(std::string &path) {
    vscomntools = vs80comntools;

  if (vscomntools && *vscomntools) {
-    char *p = const_cast<char *>(strstr(vscomntools, "\\Common7\\Tools"));
-    if (p)
-      *p = '\0';
-    path = vscomntools;
+    const char *p = strstr(vscomntools, "\\Common7\\Tools");
+    path = p ? std::string(vscomntools, p) : vscomntools;
    return true;
  }
  return false;