diff options
| -rw-r--r-- | src/libutil/error.hh | 6 | ||||
| -rw-r--r-- | src/libutil/tests/logging.cc | 18 |
2 files changed, 23 insertions, 1 deletions
diff --git a/src/libutil/error.hh b/src/libutil/error.hh index 1e6102ce1..6982e30aa 100644 --- a/src/libutil/error.hh +++ b/src/libutil/error.hh @@ -67,7 +67,11 @@ struct ErrPos { { line = pos.line; column = pos.column; - file = pos.file; + // is file symbol null? + if (pos.file.set()) + file = pos.file; + else + file = ""; return *this; } diff --git a/src/libutil/tests/logging.cc b/src/libutil/tests/logging.cc index 6a6fb4ac3..6a58b9425 100644 --- a/src/libutil/tests/logging.cc +++ b/src/libutil/tests/logging.cc @@ -289,4 +289,22 @@ namespace nix { "what about this " ANSI_YELLOW "%3%" ANSI_NORMAL " " ANSI_YELLOW "one" ANSI_NORMAL); } + + /* ---------------------------------------------------------------------------- + * ErrPos + * --------------------------------------------------------------------------*/ + + TEST(errpos, invalidPos) { + + // contains an invalid symbol, which we should not dereference! + Pos invalid; + + // constructing without access violation. + ErrPos ep(invalid); + + // assignment without access violation. + ep = invalid; + + } + } |