logging: Macro argument evaluated when enabled
When log macro is disabled then its arguments should not be evaluated.
Signed-off-by: Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no>
diff --git a/include/logging/log_core.h b/include/logging/log_core.h
index 5dd2a32..f43d662 100644
--- a/include/logging/log_core.h
+++ b/include/logging/log_core.h
@@ -200,10 +200,10 @@
.domain_id = CONFIG_LOG_DOMAIN_ID \
}; \
__LOG_INTERNAL(src_level, __VA_ARGS__); \
- } else { \
- /* arg checker evaluated when log is filtered out */\
- /* to ensure that __VA_ARGS__ are evaluated only */ \
- /* once giving always same side effects.*/ \
+ } else if (0) { \
+ /* Arguments checker present but never evaluated.*/ \
+ /* Placed here to ensure that __VA_ARGS__ are*/ \
+ /* evaluated once when log is enabled.*/ \
log_printf_arg_checker(__VA_ARGS__); \
} \
} while (0)
