diff options
Diffstat (limited to 'libcpp/lex.c')
| -rw-r--r-- | libcpp/lex.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/libcpp/lex.c b/libcpp/lex.c index 9164a07..8af09e5 100644 --- a/libcpp/lex.c +++ b/libcpp/lex.c @@ -1871,8 +1871,9 @@ lex_raw_string (cpp_reader *pfile, cpp_token *token, const uchar *base, /* If a string format macro, say from inttypes.h, is placed touching a string literal it could be parsed as a C++11 user-defined string literal thus breaking the program. - Try to identify macros with is_macro. A warning is issued. */ - if (is_macro (pfile, cur)) + Try to identify macros with is_macro. A warning is issued. + The macro name should not start with '_' for this warning. */ + if ((*cur != '_') && is_macro (pfile, cur)) { /* Raise a warning, but do not consume subsequent tokens. */ if (CPP_OPTION (pfile, warn_literal_suffix) && !pfile->state.skipping) @@ -2001,8 +2002,9 @@ lex_string (cpp_reader *pfile, cpp_token *token, const uchar *base) /* If a string format macro, say from inttypes.h, is placed touching a string literal it could be parsed as a C++11 user-defined string literal thus breaking the program. - Try to identify macros with is_macro. A warning is issued. */ - if (is_macro (pfile, cur)) + Try to identify macros with is_macro. A warning is issued. + The macro name should not start with '_' for this warning. */ + if ((*cur != '_') && is_macro (pfile, cur)) { /* Raise a warning, but do not consume subsequent tokens. */ if (CPP_OPTION (pfile, warn_literal_suffix) && !pfile->state.skipping) |