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-rw-r--r--libcpp/directives.c23
1 files changed, 23 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