Add the macro to count the argument number of functions.

git-svn-id: https://src.develer.com/svnoss/bertos/branches/i2c@4039 38d2e660-2303-0410-9eaa-f027e97ec537

diff --git a/bertos/cfg/compiler.h b/bertos/cfg/compiler.h
index 234db1e2e59bdae72966747bcab00bff3d61f56a..07f4f14118e024456a4ccb73a1095c7b26fcb72f 100644 (file)
--- a/bertos/cfg/compiler.h
+++ b/bertos/cfg/compiler.h
@@ -73,6 +73,23 @@
 #define PP_STRINGIZE__(x)   #x
 
 
+/**
+ */
+#if COMPILER_C99
+       #define COUNT_PARMS2(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _, ...) _
+       #define COUNT_PARMS(...) \
+                       COUNT_PARMS2(11 , ## __VA_ARGS__, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0)
+
+       #define FN_ARGS       ...
+
+#else
+       #define COUNT_PARMS2(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _, ...) _
+       #define COUNT_PARMS(args...) \
+                       COUNT_PARMS2(11 , ## args, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0)
+
+       #define FN_ARGS       args...
+#endif
+
 #if defined(__IAR_SYSTEMS_ICC) || defined(__IAR_SYSTEMS_ICC__)
 
        #pragma language=extended