From: Ted Kremenek <kremenek@apple.com>
Date: Wed, 7 May 2008 18:49:31 +0000 (+0000)
Subject: Guard for empty strings in CStrInCStrNoCase.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=fbd15899b3bcc459bea20f5bb2866244eea56d6a;p=oota-llvm.git

Guard for empty strings in CStrInCStrNoCase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50823 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/ADT/StringExtras.h b/include/llvm/ADT/StringExtras.h
index 9a3e1b51595..e3b3c8770a2 100644
--- a/include/llvm/ADT/StringExtras.h
+++ b/include/llvm/ADT/StringExtras.h
@@ -147,8 +147,8 @@ static inline bool StringsEqualNoCase(const std::string &LHS,
 ///  NULL if 's1' cannot be found.
 static inline const char* CStrInCStrNoCase(const char *s1, const char *s2) {
 
-  // Are either strings NULL?
-  if (!s1 || !s2)
+  // Are either strings NULL or empty?
+  if (!s1 || !s2 || s1[0] == '\0' || s2[0] == '\0')
     return 0;
   
   const char *I1=s1, *I2=s2;