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logging: Macro argument evaluated when enabled

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When log macro is disabled then its arguments should not be evaluated.

Signed-off-by: Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no>
This commit is contained in:
Krzysztof Chruscinski 2018-07-23 14:02:17 +02:00 • committed by Anas Nashif
commit fa90fdc42c
1 changed files with 4 additions and 4 deletions
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8
include/logging/log_core.h
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@ -200,10 +200,10 @@ extern "C" {
.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)