fixed IGNORE_RESULT macro bug

2026-01-09 09:47:41 +05:00
1 changed files with 4 additions and 1 deletions
--- a/include/tlibc/errors.h
+++ b/include/tlibc/errors.h
@@ -73,8 +73,11 @@ typedef struct Result_ {
 /// Warning can be suppressed by IGNORE_RESULT
 #define Result(T) Result_ ATTRIBUTE_WARN_UNUSED_RESULT
 #define ResultVar(T) Result_
+
+// for some stupid reason gcc requires more than 3 levels of macros to concat token with line number
+#define _ignore_var_name(N) CAT2(__ignored_, N)
 ///USAGE: IGNORE_RESULT trySomething();
-#define IGNORE_RESULT Result_ __ignored_##__LINE__ ATTRIBUTE_UNUSED = 
+#define IGNORE_RESULT Result_ _ignore_var_name(__LINE__) ATTRIBUTE_UNUSED = 


 #define RESULT_ERROR_CODE(CODE_PAGE, CODE, MSG, IS_MSG_ON_HEAP) (Result_){ \