diff options
Diffstat (limited to 'lib/Support/FileUtilities.cpp')
| -rw-r--r-- | lib/Support/FileUtilities.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Support/FileUtilities.cpp b/lib/Support/FileUtilities.cpp index 7ae476b597..99db439d32 100644 --- a/lib/Support/FileUtilities.cpp +++ b/lib/Support/FileUtilities.cpp @@ -93,7 +93,8 @@ static bool CompareNumbers(char *&F1P, char *&F2P, char *F1End, char *F2End, // with a number. Because of this, if needed, we pad the file so that it starts // and ends with a null character. static void PadFileIfNeeded(char *&FileStart, char *&FileEnd, char *&FP) { - if (isNumberChar(FileStart[0]) || isNumberChar(FileEnd[-1])) { + if (FileStart-FileEnd < 2 || + isNumberChar(FileStart[0]) || isNumberChar(FileEnd[-1])) { unsigned FileLen = FileEnd-FileStart; char *NewFile = new char[FileLen+2]; NewFile[0] = 0; // Add null padding |