terom@21: 
terom@21: #include "log.h"
terom@21: 
terom@21: #include <stdio.h>
terom@21: #include <stdarg.h>
terom@21: 
terom@21: #define _LOG_LEVEL_NAME(ll) case LOG_ ## ll: return #ll;
terom@21: const char *log_level_name (enum log_level level)
terom@21: {
terom@21:     switch (level) {
terom@21:         _LOG_LEVEL_NAME(DEBUG)
terom@21:         _LOG_LEVEL_NAME(INFO)
terom@21:         _LOG_LEVEL_NAME(WARN)
terom@21:         _LOG_LEVEL_NAME(ERROR)
terom@21:         _LOG_LEVEL_NAME(FATAL)
terom@21:         default: return "???";
terom@21:     }
terom@21: }
terom@21: 
terom@21: /*
terom@21:  * Output the "[TYPE] FUNC: " header
terom@21:  */
terom@21: void _log_header (enum log_level level, const char *func)
terom@21: {
terom@22:     printf("[%5s] %20s : ", log_level_name(level), func);
terom@21: }
terom@21: 
terom@21: void log_msg (enum log_level level, const char *func, const char *format, ...)
terom@21: {
terom@21:     va_list vargs;
terom@21:     
terom@21:     _log_header(level, func);
terom@21:     
terom@21:     // formatted output
terom@21:     va_start(vargs, format);
terom@21:     vprintf(format, vargs);
terom@21:     va_end(vargs);
terom@21: 
terom@21:     // newline
terom@21:     printf("\n");
terom@21: }
terom@21: 
terom@22: void _log_err (enum log_level level, err_t err, const char *func, const char *format, ...)
terom@21: {
terom@21:     va_list vargs;
terom@21: 
terom@21:     // header
terom@22:     _log_header(level, func);
terom@21:     
terom@21:     // formatted output
terom@21:     va_start(vargs, format);
terom@21:     vprintf(format, vargs);
terom@21:     va_end(vargs);
terom@21: 
terom@21:     // err_code and newline
terom@21:     printf(": %s\n", error_name(err));
terom@21: }
terom@21: 
terom@22: void _log_err_info (enum log_level level, struct error_info *err, const char *func, const char *format, ...)
terom@21: {
terom@21:     va_list vargs;
terom@21: 
terom@21:     // header
terom@22:     _log_header(level, func);
terom@21:     
terom@21:     // formatted output
terom@21:     va_start(vargs, format);
terom@21:     vprintf(format, vargs);
terom@21:     va_end(vargs);
terom@21: 
terom@21:     // err_code and newline
terom@21:     printf(": %s\n", error_msg(err));
terom@21: }