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Document LOG_*_ENABLED macros

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This commit is contained in:
Simon Duquennoy 2018-02-25 06:24:00 -08:00
parent ddaacdd41d
commit 075d42ca24
1 changed files with 6 additions and 1 deletions
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7
os/sys/log.h
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@ -165,7 +165,12 @@ extern struct log_module all_modules[];
#define LOG_INFO_6ADDR(...) LOG_6ADDR(LOG_LEVEL_INFO, __VA_ARGS__)
#define LOG_DBG_6ADDR(...) LOG_6ADDR(LOG_LEVEL_DBG, __VA_ARGS__)
/* For testing log level */
/* For checking log level.
As this builds on curr_log_level variables, this should not be used
in pre-processor macros. Use in a C 'if' statement instead, e.g.:
if(LOG_INFO_ENABLED) { ... }
Note that most compilers will still be able to strip the code out
for low enough log levels configurations. */
#define LOG_ERR_ENABLED ((LOG_LEVEL) >= LOG_LEVEL_ERR)
#define LOG_WARN_ENABLED ((LOG_LEVEL) >= LOG_LEVEL_WARN)
#define LOG_INFO_ENABLED ((LOG_LEVEL) >= LOG_LEVEL_INFO)