diff options
Diffstat (limited to 'libcpp')
| -rw-r--r-- | libcpp/directives.c | 23 | ||||
| -rw-r--r-- | libcpp/include/cpplib.h | 4 |
2 files changed, 27 insertions, 0 deletions
diff --git a/libcpp/directives.c b/libcpp/directives.c index 4295a67..c4ecb96 100644 --- a/libcpp/directives.c +++ b/libcpp/directives.c @@ -2412,6 +2412,15 @@ cpp_define (cpp_reader *pfile, const char *str) run_directive (pfile, T_DEFINE, buf, count); } +/* Like cpp_define, but does not warn about unused macro. */ +void +cpp_define_unused (cpp_reader *pfile, const char *str) +{ + unsigned char warn_unused_macros = CPP_OPTION (pfile, warn_unused_macros); + CPP_OPTION (pfile, warn_unused_macros) = 0; + cpp_define (pfile, str); + CPP_OPTION (pfile, warn_unused_macros) = warn_unused_macros; +} /* Use to build macros to be run through cpp_define() as described above. @@ -2431,6 +2440,20 @@ cpp_define_formatted (cpp_reader *pfile, const char *fmt, ...) free (ptr); } +/* Like cpp_define_formatted, but does not warn about unused macro. */ +void +cpp_define_formatted_unused (cpp_reader *pfile, const char *fmt, ...) +{ + char *ptr; + + va_list ap; + va_start (ap, fmt); + ptr = xvasprintf (fmt, ap); + va_end (ap); + + cpp_define_unused (pfile, ptr); + free (ptr); +} /* Slight variant of the above for use by initialize_builtins. */ void diff --git a/libcpp/include/cpplib.h b/libcpp/include/cpplib.h index 8900e77..ce00952 100644 --- a/libcpp/include/cpplib.h +++ b/libcpp/include/cpplib.h @@ -1076,8 +1076,12 @@ extern cppchar_t cpp_host_to_exec_charset (cpp_reader *, cppchar_t); /* Used to register macros and assertions, perhaps from the command line. The text is the same as the command line argument. */ extern void cpp_define (cpp_reader *, const char *); +extern void cpp_define_unused (cpp_reader *, const char *); extern void cpp_define_formatted (cpp_reader *pfile, const char *fmt, ...) ATTRIBUTE_PRINTF_2; +extern void cpp_define_formatted_unused (cpp_reader *pfile, + const char *fmt, + ...) ATTRIBUTE_PRINTF_2; extern void cpp_assert (cpp_reader *, const char *); extern void cpp_undef (cpp_reader *, const char *); extern void cpp_unassert (cpp_reader *, const char *); |