Guard for empty strings in CStrInCStrNoCase.

llvm-svn: 50823
2008-05-07 18:49:31 +00:00 · 2008-05-07 18:49:31 +00:00 · 13bbdf2389
parent b6cbf28d82
commit 13bbdf2389
1 changed files with 2 additions and 2 deletions
--- a/llvm/include/llvm/ADT/StringExtras.h
+++ b/llvm/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;