diff options
Diffstat (limited to 'utils/fpcmp')
-rw-r--r-- | utils/fpcmp/fpcmp.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/utils/fpcmp/fpcmp.cpp b/utils/fpcmp/fpcmp.cpp index 6f8298e5c7..7e472d474f 100644 --- a/utils/fpcmp/fpcmp.cpp +++ b/utils/fpcmp/fpcmp.cpp @@ -50,6 +50,12 @@ static void OpenFile(const std::string &Filename, unsigned &Len, char* &BufPtr){ std::cerr << "Error: cannot open file '" << Filename << "'\n"; exit(2); } + + // If mmap decided that the files were empty, it might have returned a + // null pointer. If so, make a new, fake pointer -- it shouldn't matter + // what it contains, because Len is 0, and it should never be read. + if (BufPtr == 0 && Len == 0) + BufPtr = new char[1]; } static bool isNumberChar(char C) { |