Create empty StringRef is incoming cstring is NULL.

llvm-svn: 83082
2009-09-29 18:39:56 +00:00 · 2009-09-29 18:39:56 +00:00 · 73e8d43588
parent a4a7f44cb5
commit 73e8d43588
1 changed files with 1 additions and 1 deletions
--- a/llvm/include/llvm/ADT/StringRef.h
+++ b/llvm/include/llvm/ADT/StringRef.h
@ -46,7 +46,7 @@ namespace llvm {

    /// Construct a string ref from a cstring.
    /*implicit*/ StringRef(const char *Str) 
-      : Data(Str), Length(::strlen(Str)) {}
+      : Data(Str) { if (Str) Length = ::strlen(Str); else Length = 0; }
 
    /// Construct a string ref from a pointer and length.
    /*implicit*/ StringRef(const char *_Data, unsigned _Length)