1 #ifndef LOG_H

     2 #define LOG_H

     3 

     4 /** @file log.h

     5  *

     6  * Local logging functions

     7  */

     8 #include "error.h"

     9 

    10 /**

    11  * Log level definitions

    12  *

    13  * XXX: these names conflict with <syslog.h>

    14  */

    15 enum log_level {

    16     LOG_DEBUG,

    17     LOG_INFO,

    18     LOG_WARN,

    19     LOG_ERROR,

    20     LOG_FATAL,

    21 };

    22 

    23 /**

    24  * Log a message with the given level

    25  */

    26 void log_msg (enum log_level level, const char *func, const char *format, ...)

    27     __attribute__ ((format (printf, 3, 4)));

    28 

    29 /**

    30  * Shorthand for log_msg

    31  */

    32 #define log_debug(...) log_msg(LOG_DEBUG, __func__, __VA_ARGS__)

    33 #define log_info(...)  log_msg(LOG_INFO,  __func__, __VA_ARGS__)

    34 #define log_warn(...)  log_msg(LOG_WARN,  __func__, __VA_ARGS__)

    35 #define log_error(...) log_msg(LOG_ERROR, __func__, __VA_ARGS__)

    36 #define log_fatal(...) log_msg(LOG_FATAL, __func__, __VA_ARGS__)

    37 

    38 /**

    39  * Log a message with LOG_ERROR, appending the formatted error code

    40  */

    41 void _log_err (err_t err, const char *func, const char *format, ...)

    42     __attribute__ ((format (printf, 3, 4)));

    43 

    44 void _log_err_info (struct error_info *err, const char *func, const char *format, ...)

    45     __attribute__ ((format (printf, 3, 4)));

    46 

    47 #define log_err(err, ...) _log_err(err, __func__, __VA_ARGS__)

    48 #define log_err_info(err_info, ...) _log_err_info(err_info, __func__, __VA_ARGS__)

    49 

    50 /*

    51  * log_fatal + exit failure

    52  */

    53 #define FATAL(...) do { log_fatal(__VA_ARGS__); exit(EXIT_FAILURE); } while (0)

    54 

    55 /*

    56  * log_err_info + exit failure

    57  */

    58 #define FATAL_ERROR(err, ...) do { log_err_info(err, __VA_ARGS__); exit(EXIT_FAILURE); } while (0)

    59 

    60 #endif /* LOG_H */